mirror of
https://github.com/minetest/irrlicht.git
synced 2024-09-22 04:10:36 +02:00
2996 lines
86 KiB
C++
2996 lines
86 KiB
C++
// Copyright (C) 2002-2008 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "COGLESDriver.h"
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#include <cassert>
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#include "CNullDriver.h"
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#include "IContextManager.h"
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#ifdef _IRR_COMPILE_WITH_OGLES1_
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#include "COpenGLCoreTexture.h"
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#include "COpenGLCoreRenderTarget.h"
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#include "COpenGLCoreCacheHandler.h"
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#include "COGLESMaterialRenderer.h"
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#include "EVertexAttributes.h"
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#include "CImage.h"
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#include "os.h"
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#ifdef _IRR_COMPILE_WITH_ANDROID_DEVICE_
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#include "android_native_app_glue.h"
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#endif
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namespace irr
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{
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namespace video
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{
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COGLES1Driver::COGLES1Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager) :
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CNullDriver(io, params.WindowSize), COGLES1ExtensionHandler(), CacheHandler(0), CurrentRenderMode(ERM_NONE),
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ResetRenderStates(true), Transformation3DChanged(true), AntiAlias(params.AntiAlias),
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ColorFormat(ECF_R8G8B8), Params(params), ContextManager(contextManager)
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{
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#ifdef _DEBUG
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setDebugName("COGLESDriver");
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#endif
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core::dimension2d<u32> windowSize(0, 0);
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if (!ContextManager)
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return;
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ContextManager->grab();
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ContextManager->generateSurface();
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ContextManager->generateContext();
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ExposedData = ContextManager->getContext();
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ContextManager->activateContext(ExposedData, false);
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windowSize = params.WindowSize;
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genericDriverInit(windowSize, params.Stencilbuffer);
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}
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COGLES1Driver::~COGLES1Driver()
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{
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deleteMaterialRenders();
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CacheHandler->getTextureCache().clear();
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removeAllRenderTargets();
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deleteAllTextures();
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removeAllOcclusionQueries();
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removeAllHardwareBuffers();
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delete CacheHandler;
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if (ContextManager)
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{
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ContextManager->destroyContext();
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ContextManager->destroySurface();
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ContextManager->terminate();
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ContextManager->drop();
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}
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}
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// -----------------------------------------------------------------------
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// METHODS
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// -----------------------------------------------------------------------
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bool COGLES1Driver::genericDriverInit(const core::dimension2d<u32>& screenSize, bool stencilBuffer)
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{
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Name=glGetString(GL_VERSION);
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printVersion();
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// print renderer information
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VendorName = glGetString(GL_VENDOR);
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os::Printer::log(VendorName.c_str(), ELL_INFORMATION);
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// load extensions
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initExtensions();
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// reset cache handler
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delete CacheHandler;
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CacheHandler = new COGLES1CacheHandler(this);
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StencilBuffer = stencilBuffer;
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DriverAttributes->setAttribute("MaxTextures", (s32)Feature.MaxTextureUnits);
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DriverAttributes->setAttribute("MaxSupportedTextures", (s32)Feature.MaxTextureUnits);
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DriverAttributes->setAttribute("MaxAnisotropy", MaxAnisotropy);
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DriverAttributes->setAttribute("MaxIndices", (s32)MaxIndices);
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DriverAttributes->setAttribute("MaxTextureSize", (s32)MaxTextureSize);
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DriverAttributes->setAttribute("MaxTextureLODBias", MaxTextureLODBias);
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DriverAttributes->setAttribute("Version", Version);
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DriverAttributes->setAttribute("AntiAlias", AntiAlias);
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glPixelStorei(GL_PACK_ALIGNMENT, 1);
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UserClipPlane.reallocate(MaxUserClipPlanes);
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UserClipPlaneEnabled.resize(MaxUserClipPlanes);
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for (s32 i = 0; i < MaxUserClipPlanes; ++i)
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{
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UserClipPlane.push_back(core::plane3df());
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UserClipPlaneEnabled[i] = false;
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}
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for (s32 i = 0; i < ETS_COUNT; ++i)
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setTransform(static_cast<E_TRANSFORMATION_STATE>(i), core::IdentityMatrix);
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setAmbientLight(SColorf(0.0f, 0.0f, 0.0f, 0.0f));
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glClearDepthf(1.0f);
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glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
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glHint(GL_GENERATE_MIPMAP_HINT, GL_FASTEST);
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glHint(GL_LINE_SMOOTH_HINT, GL_FASTEST);
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glHint(GL_POINT_SMOOTH_HINT, GL_FASTEST);
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glDepthFunc(GL_LEQUAL);
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glFrontFace(GL_CW);
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glAlphaFunc(GL_GREATER, 0.f);
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// create material renderers
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createMaterialRenderers();
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// set the renderstates
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setRenderStates3DMode();
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// set fog mode
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setFog(FogColor, FogType, FogStart, FogEnd, FogDensity, PixelFog, RangeFog);
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// create matrix for flipping textures
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TextureFlipMatrix.buildTextureTransform(0.0f, core::vector2df(0, 0), core::vector2df(0, 1.0f), core::vector2df(1.0f, -1.0f));
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// We need to reset once more at the beginning of the first rendering.
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// This fixes problems with intermediate changes to the material during texture load.
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ResetRenderStates = true;
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testGLError(__LINE__);
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return true;
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}
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void COGLES1Driver::createMaterialRenderers()
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{
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addAndDropMaterialRenderer(new COGLES1MaterialRenderer_SOLID(this));
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addAndDropMaterialRenderer(new COGLES1MaterialRenderer_TRANSPARENT_ALPHA_CHANNEL(this));
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addAndDropMaterialRenderer(new COGLES1MaterialRenderer_TRANSPARENT_ALPHA_CHANNEL_REF(this));
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addAndDropMaterialRenderer(new COGLES1MaterialRenderer_TRANSPARENT_VERTEX_ALPHA(this));
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addAndDropMaterialRenderer(new COGLES1MaterialRenderer_ONETEXTURE_BLEND(this));
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}
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bool COGLES1Driver::beginScene(u16 clearFlag, SColor clearColor, f32 clearDepth, u8 clearStencil, const SExposedVideoData& videoData, core::rect<s32>* sourceRect)
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{
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CNullDriver::beginScene(clearFlag, clearColor, clearDepth, clearStencil, videoData, sourceRect);
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if (ContextManager)
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ContextManager->activateContext(videoData, true);
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clearBuffers(clearFlag, clearColor, clearDepth, clearStencil);
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return true;
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}
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bool COGLES1Driver::endScene()
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{
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CNullDriver::endScene();
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glFlush();
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if (ContextManager)
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return ContextManager->swapBuffers();
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return false;
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}
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//! Returns the transformation set by setTransform
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const core::matrix4& COGLES1Driver::getTransform(E_TRANSFORMATION_STATE state) const
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{
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return Matrices[state];
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}
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//! sets transformation
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void COGLES1Driver::setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat)
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{
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Matrices[state] = mat;
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Transformation3DChanged = true;
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switch(state)
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{
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case ETS_VIEW:
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case ETS_WORLD:
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{
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// OGLES1 only has a model matrix, view and world is not existent. so lets fake these two.
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glMatrixMode(GL_MODELVIEW);
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glLoadMatrixf((Matrices[ETS_VIEW] * Matrices[ETS_WORLD]).pointer());
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// we have to update the clip planes to the latest view matrix
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for (u32 i=0; i<MaxUserClipPlanes; ++i)
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if (UserClipPlaneEnabled[i])
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uploadClipPlane(i);
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}
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break;
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case ETS_PROJECTION:
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{
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GLfloat glmat[16];
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getGLMatrix(glmat, mat);
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// flip z to compensate OGLES1s right-hand coordinate system
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glmat[12] *= -1.0f;
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glMatrixMode(GL_PROJECTION);
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glLoadMatrixf(glmat);
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}
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break;
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default:
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break;
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}
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}
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bool COGLES1Driver::updateVertexHardwareBuffer(SHWBufferLink_opengl *HWBuffer)
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{
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if (!HWBuffer)
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return false;
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const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer;
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const void* vertices=mb->getVertices();
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const u32 vertexCount=mb->getVertexCount();
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const E_VERTEX_TYPE vType=mb->getVertexType();
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const u32 vertexSize = getVertexPitchFromType(vType);
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//buffer vertex data, and convert colours...
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core::array<c8> buffer(vertexSize * vertexCount);
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buffer.set_used(vertexSize * vertexCount);
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memcpy(buffer.pointer(), vertices, vertexSize * vertexCount);
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// in order to convert the colors into opengl format (RGBA)
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switch (vType)
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{
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case EVT_STANDARD:
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{
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S3DVertex* pb = reinterpret_cast<S3DVertex*>(buffer.pointer());
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const S3DVertex* po = static_cast<const S3DVertex*>(vertices);
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for (u32 i=0; i<vertexCount; i++)
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{
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po[i].Color.toOpenGLColor((u8*)&(pb[i].Color.color));
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}
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}
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break;
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case EVT_2TCOORDS:
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{
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S3DVertex2TCoords* pb = reinterpret_cast<S3DVertex2TCoords*>(buffer.pointer());
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const S3DVertex2TCoords* po = static_cast<const S3DVertex2TCoords*>(vertices);
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for (u32 i=0; i<vertexCount; i++)
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{
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po[i].Color.toOpenGLColor((u8*)&(pb[i].Color.color));
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}
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}
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break;
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case EVT_TANGENTS:
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{
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S3DVertexTangents* pb = reinterpret_cast<S3DVertexTangents*>(buffer.pointer());
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const S3DVertexTangents* po = static_cast<const S3DVertexTangents*>(vertices);
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for (u32 i=0; i<vertexCount; i++)
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{
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po[i].Color.toOpenGLColor((u8*)&(pb[i].Color.color));
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}
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}
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break;
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default:
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{
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return false;
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}
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}
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//get or create buffer
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bool newBuffer=false;
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if (!HWBuffer->vbo_verticesID)
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{
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glGenBuffers(1, &HWBuffer->vbo_verticesID);
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if (!HWBuffer->vbo_verticesID) return false;
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newBuffer=true;
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}
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else if (HWBuffer->vbo_verticesSize < vertexCount*vertexSize)
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{
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newBuffer=true;
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}
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glBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID );
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// copy data to graphics card
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if (!newBuffer)
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glBufferSubData(GL_ARRAY_BUFFER, 0, vertexCount * vertexSize, buffer.const_pointer());
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else
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{
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HWBuffer->vbo_verticesSize = vertexCount*vertexSize;
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if (HWBuffer->Mapped_Vertex==scene::EHM_STATIC)
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glBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, buffer.const_pointer(), GL_STATIC_DRAW);
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else
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glBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, buffer.const_pointer(), GL_DYNAMIC_DRAW);
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}
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glBindBuffer(GL_ARRAY_BUFFER, 0);
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return (!testGLError(__LINE__));
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}
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bool COGLES1Driver::updateIndexHardwareBuffer(SHWBufferLink_opengl *HWBuffer)
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{
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if (!HWBuffer)
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return false;
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const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer;
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const void* indices=mb->getIndices();
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u32 indexCount= mb->getIndexCount();
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GLenum indexSize;
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switch (mb->getIndexType())
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{
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case (EIT_16BIT):
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{
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indexSize=sizeof(u16);
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break;
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}
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case (EIT_32BIT):
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{
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indexSize=sizeof(u32);
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break;
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}
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default:
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{
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return false;
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}
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}
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//get or create buffer
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bool newBuffer=false;
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if (!HWBuffer->vbo_indicesID)
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{
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glGenBuffers(1, &HWBuffer->vbo_indicesID);
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if (!HWBuffer->vbo_indicesID) return false;
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newBuffer=true;
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}
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else if (HWBuffer->vbo_indicesSize < indexCount*indexSize)
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{
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newBuffer=true;
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}
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID);
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// copy data to graphics card
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if (!newBuffer)
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glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, indexCount * indexSize, indices);
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else
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{
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HWBuffer->vbo_indicesSize = indexCount*indexSize;
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if (HWBuffer->Mapped_Index==scene::EHM_STATIC)
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glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_STATIC_DRAW);
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else
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glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_DYNAMIC_DRAW);
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}
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
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return (!testGLError(__LINE__));
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}
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//! updates hardware buffer if needed
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bool COGLES1Driver::updateHardwareBuffer(SHWBufferLink *HWBuffer)
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{
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if (!HWBuffer)
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return false;
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if (HWBuffer->Mapped_Vertex!=scene::EHM_NEVER)
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{
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if (HWBuffer->ChangedID_Vertex != HWBuffer->MeshBuffer->getChangedID_Vertex()
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|| !static_cast<SHWBufferLink_opengl*>(HWBuffer)->vbo_verticesID)
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{
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HWBuffer->ChangedID_Vertex = HWBuffer->MeshBuffer->getChangedID_Vertex();
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if (!updateVertexHardwareBuffer(static_cast<SHWBufferLink_opengl*>(HWBuffer)))
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return false;
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}
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}
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if (HWBuffer->Mapped_Index!=scene::EHM_NEVER)
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{
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if (HWBuffer->ChangedID_Index != HWBuffer->MeshBuffer->getChangedID_Index()
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|| !((SHWBufferLink_opengl*)HWBuffer)->vbo_indicesID)
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{
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HWBuffer->ChangedID_Index = HWBuffer->MeshBuffer->getChangedID_Index();
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if (!updateIndexHardwareBuffer(static_cast<SHWBufferLink_opengl*>(HWBuffer)))
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return false;
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}
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}
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return true;
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}
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//! Create hardware buffer from meshbuffer
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COGLES1Driver::SHWBufferLink *COGLES1Driver::createHardwareBuffer(const scene::IMeshBuffer* mb)
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{
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if (!mb || (mb->getHardwareMappingHint_Index()==scene::EHM_NEVER && mb->getHardwareMappingHint_Vertex()==scene::EHM_NEVER))
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return 0;
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SHWBufferLink_opengl *HWBuffer=new SHWBufferLink_opengl(mb);
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//add to map
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HWBuffer->listPosition = HWBufferList.insert(HWBufferList.end(), HWBuffer);
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HWBuffer->ChangedID_Vertex=HWBuffer->MeshBuffer->getChangedID_Vertex();
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HWBuffer->ChangedID_Index=HWBuffer->MeshBuffer->getChangedID_Index();
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HWBuffer->Mapped_Vertex=mb->getHardwareMappingHint_Vertex();
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HWBuffer->Mapped_Index=mb->getHardwareMappingHint_Index();
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HWBuffer->vbo_verticesID=0;
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HWBuffer->vbo_indicesID=0;
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HWBuffer->vbo_verticesSize=0;
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HWBuffer->vbo_indicesSize=0;
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if (!updateHardwareBuffer(HWBuffer))
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{
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deleteHardwareBuffer(HWBuffer);
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return 0;
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}
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return HWBuffer;
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}
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void COGLES1Driver::deleteHardwareBuffer(SHWBufferLink *_HWBuffer)
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{
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if (!_HWBuffer)
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return;
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SHWBufferLink_opengl *HWBuffer=static_cast<SHWBufferLink_opengl*>(_HWBuffer);
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if (HWBuffer->vbo_verticesID)
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{
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glDeleteBuffers(1, &HWBuffer->vbo_verticesID);
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HWBuffer->vbo_verticesID=0;
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}
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if (HWBuffer->vbo_indicesID)
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{
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glDeleteBuffers(1, &HWBuffer->vbo_indicesID);
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HWBuffer->vbo_indicesID=0;
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}
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CNullDriver::deleteHardwareBuffer(_HWBuffer);
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}
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//! Draw hardware buffer
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void COGLES1Driver::drawHardwareBuffer(SHWBufferLink *_HWBuffer)
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{
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if (!_HWBuffer)
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return;
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SHWBufferLink_opengl *HWBuffer=static_cast<SHWBufferLink_opengl*>(_HWBuffer);
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updateHardwareBuffer(HWBuffer); //check if update is needed
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const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer;
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const void *vertices=mb->getVertices();
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const void *indexList=mb->getIndices();
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if (HWBuffer->Mapped_Vertex!=scene::EHM_NEVER)
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{
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glBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID);
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vertices=0;
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}
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if (HWBuffer->Mapped_Index!=scene::EHM_NEVER)
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{
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID);
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indexList=0;
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}
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drawVertexPrimitiveList(vertices, mb->getVertexCount(), indexList,
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mb->getPrimitiveCount(), mb->getVertexType(),
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mb->getPrimitiveType(), mb->getIndexType());
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if (HWBuffer->Mapped_Vertex!=scene::EHM_NEVER)
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glBindBuffer(GL_ARRAY_BUFFER, 0);
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if (HWBuffer->Mapped_Index!=scene::EHM_NEVER)
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
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}
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IRenderTarget* COGLES1Driver::addRenderTarget()
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{
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COGLES1RenderTarget* renderTarget = new COGLES1RenderTarget(this);
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RenderTargets.push_back(renderTarget);
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return renderTarget;
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}
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// small helper function to create vertex buffer object adress offsets
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static inline u8* buffer_offset(const long offset)
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{
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return ((u8*)0 + offset);
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}
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//! draws a vertex primitive list
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void COGLES1Driver::drawVertexPrimitiveList(const void* vertices, u32 vertexCount,
|
|
const void* indexList, u32 primitiveCount,
|
|
E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType)
|
|
{
|
|
if (!checkPrimitiveCount(primitiveCount))
|
|
return;
|
|
|
|
setRenderStates3DMode();
|
|
|
|
drawVertexPrimitiveList2d3d(vertices, vertexCount, (const u16*)indexList, primitiveCount, vType, pType, iType);
|
|
}
|
|
|
|
|
|
void COGLES1Driver::drawVertexPrimitiveList2d3d(const void* vertices, u32 vertexCount,
|
|
const void* indexList, u32 primitiveCount,
|
|
E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType, bool threed)
|
|
{
|
|
if (!primitiveCount || !vertexCount)
|
|
return;
|
|
|
|
if (!threed && !checkPrimitiveCount(primitiveCount))
|
|
return;
|
|
|
|
CNullDriver::drawVertexPrimitiveList(vertices, vertexCount, indexList, primitiveCount, vType, pType, iType);
|
|
|
|
if (vertices)
|
|
{
|
|
// convert colors to gl color format.
|
|
vertexCount *= 4; //reused as color component count
|
|
ColorBuffer.set_used(vertexCount);
|
|
u32 i;
|
|
|
|
switch (vType)
|
|
{
|
|
case EVT_STANDARD:
|
|
{
|
|
const S3DVertex* p = static_cast<const S3DVertex*>(vertices);
|
|
for ( i=0; i<vertexCount; i+=4)
|
|
{
|
|
p->Color.toOpenGLColor(&ColorBuffer[i]);
|
|
++p;
|
|
}
|
|
}
|
|
break;
|
|
case EVT_2TCOORDS:
|
|
{
|
|
const S3DVertex2TCoords* p = static_cast<const S3DVertex2TCoords*>(vertices);
|
|
for ( i=0; i<vertexCount; i+=4)
|
|
{
|
|
p->Color.toOpenGLColor(&ColorBuffer[i]);
|
|
++p;
|
|
}
|
|
}
|
|
break;
|
|
case EVT_TANGENTS:
|
|
{
|
|
const S3DVertexTangents* p = static_cast<const S3DVertexTangents*>(vertices);
|
|
for ( i=0; i<vertexCount; i+=4)
|
|
{
|
|
p->Color.toOpenGLColor(&ColorBuffer[i]);
|
|
++p;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
// draw everything
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
glEnableClientState(GL_COLOR_ARRAY);
|
|
glEnableClientState(GL_VERTEX_ARRAY);
|
|
if ((pType!=scene::EPT_POINTS) && (pType!=scene::EPT_POINT_SPRITES))
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
#ifdef GL_OES_point_size_array
|
|
else if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_point_size_array] && (Material.Thickness==0.0f))
|
|
glEnableClientState(GL_POINT_SIZE_ARRAY_OES);
|
|
#endif
|
|
if (threed && (pType!=scene::EPT_POINTS) && (pType!=scene::EPT_POINT_SPRITES))
|
|
glEnableClientState(GL_NORMAL_ARRAY);
|
|
|
|
if (vertices)
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, 0, &ColorBuffer[0]);
|
|
|
|
switch (vType)
|
|
{
|
|
case EVT_STANDARD:
|
|
if (vertices)
|
|
{
|
|
if (threed)
|
|
glNormalPointer(GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Normal);
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords);
|
|
glVertexPointer((threed ? 3 : 2), GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Pos);
|
|
}
|
|
else
|
|
{
|
|
glNormalPointer(GL_FLOAT, sizeof(S3DVertex), buffer_offset(12));
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(S3DVertex), buffer_offset(24));
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28));
|
|
glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex), 0);
|
|
}
|
|
|
|
if (Feature.MaxTextureUnits > 0 && CacheHandler->getTextureCache().get(1))
|
|
{
|
|
glClientActiveTexture(GL_TEXTURE0 + 1);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
if (vertices)
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords);
|
|
else
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex), buffer_offset(28));
|
|
}
|
|
break;
|
|
case EVT_2TCOORDS:
|
|
if (vertices)
|
|
{
|
|
if (threed)
|
|
glNormalPointer(GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Normal);
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords);
|
|
glVertexPointer((threed ? 3 : 2), GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Pos);
|
|
}
|
|
else
|
|
{
|
|
glNormalPointer(GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(12));
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(S3DVertex2TCoords), buffer_offset(24));
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(28));
|
|
glVertexPointer(3, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(0));
|
|
}
|
|
|
|
if (Feature.MaxTextureUnits > 0)
|
|
{
|
|
glClientActiveTexture(GL_TEXTURE0 + 1);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
if (vertices)
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords2);
|
|
else
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertex2TCoords), buffer_offset(36));
|
|
}
|
|
break;
|
|
case EVT_TANGENTS:
|
|
if (vertices)
|
|
{
|
|
if (threed)
|
|
glNormalPointer(GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Normal);
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].TCoords);
|
|
glVertexPointer((threed ? 3 : 2), GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Pos);
|
|
}
|
|
else
|
|
{
|
|
glNormalPointer(GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(12));
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(S3DVertexTangents), buffer_offset(24));
|
|
glTexCoordPointer(2, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(28));
|
|
glVertexPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(0));
|
|
}
|
|
|
|
if (Feature.MaxTextureUnits > 0)
|
|
{
|
|
glClientActiveTexture(GL_TEXTURE0 + 1);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
if (vertices)
|
|
glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Tangent);
|
|
else
|
|
glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(36));
|
|
|
|
glClientActiveTexture(GL_TEXTURE0 + 2);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
if (vertices)
|
|
glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Binormal);
|
|
else
|
|
glTexCoordPointer(3, GL_FLOAT, sizeof(S3DVertexTangents), buffer_offset(48));
|
|
}
|
|
break;
|
|
}
|
|
|
|
GLenum indexSize=0;
|
|
|
|
switch (iType)
|
|
{
|
|
case (EIT_16BIT):
|
|
{
|
|
indexSize=GL_UNSIGNED_SHORT;
|
|
break;
|
|
}
|
|
case (EIT_32BIT):
|
|
{
|
|
#ifdef GL_OES_element_index_uint
|
|
#ifndef GL_UNSIGNED_INT
|
|
#define GL_UNSIGNED_INT 0x1405
|
|
#endif
|
|
if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_element_index_uint])
|
|
indexSize=GL_UNSIGNED_INT;
|
|
else
|
|
#endif
|
|
indexSize=GL_UNSIGNED_SHORT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
switch (pType)
|
|
{
|
|
case scene::EPT_POINTS:
|
|
case scene::EPT_POINT_SPRITES:
|
|
{
|
|
#ifdef GL_OES_point_sprite
|
|
if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_point_sprite])
|
|
glEnable(GL_POINT_SPRITE_OES);
|
|
#endif
|
|
// if ==0 we use the point size array
|
|
if (Material.Thickness!=0.f)
|
|
{
|
|
float quadratic[] = {0.0f, 0.0f, 10.01f};
|
|
glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, quadratic);
|
|
float maxParticleSize=1.0f;
|
|
glGetFloatv(GL_POINT_SIZE_MAX, &maxParticleSize);
|
|
// maxParticleSize=maxParticleSize<Material.Thickness?maxParticleSize:Material.Thickness;
|
|
// extGlPointParameterf(GL_POINT_SIZE_MAX,maxParticleSize);
|
|
// extGlPointParameterf(GL_POINT_SIZE_MIN,Material.Thickness);
|
|
glPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE, 60.0f);
|
|
glPointSize(Material.Thickness);
|
|
}
|
|
#ifdef GL_OES_point_sprite
|
|
if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_point_sprite])
|
|
glTexEnvf(GL_POINT_SPRITE_OES,GL_COORD_REPLACE_OES, GL_TRUE);
|
|
#endif
|
|
glDrawArrays(GL_POINTS, 0, primitiveCount);
|
|
#ifdef GL_OES_point_sprite
|
|
if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_point_sprite])
|
|
{
|
|
glDisable(GL_POINT_SPRITE_OES);
|
|
glTexEnvf(GL_POINT_SPRITE_OES,GL_COORD_REPLACE_OES, GL_FALSE);
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
case scene::EPT_LINE_STRIP:
|
|
glDrawElements(GL_LINE_STRIP, primitiveCount+1, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_LINE_LOOP:
|
|
glDrawElements(GL_LINE_LOOP, primitiveCount, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_LINES:
|
|
glDrawElements(GL_LINES, primitiveCount*2, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_TRIANGLE_STRIP:
|
|
glDrawElements(GL_TRIANGLE_STRIP, primitiveCount+2, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_TRIANGLE_FAN:
|
|
glDrawElements(GL_TRIANGLE_FAN, primitiveCount+2, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_TRIANGLES:
|
|
glDrawElements((LastMaterial.Wireframe)?GL_LINES:(LastMaterial.PointCloud)?GL_POINTS:GL_TRIANGLES, primitiveCount*3, indexSize, indexList);
|
|
break;
|
|
}
|
|
|
|
if (Feature.MaxTextureUnits > 0)
|
|
{
|
|
if (vType == EVT_TANGENTS)
|
|
{
|
|
glClientActiveTexture(GL_TEXTURE0 + 2);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
}
|
|
if ((vType != EVT_STANDARD) || CacheHandler->getTextureCache().get(1))
|
|
{
|
|
glClientActiveTexture(GL_TEXTURE0 + 1);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
}
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
}
|
|
|
|
#ifdef GL_OES_point_size_array
|
|
if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_point_size_array] && (Material.Thickness==0.0f))
|
|
glDisableClientState(GL_POINT_SIZE_ARRAY_OES);
|
|
#endif
|
|
|
|
glDisableClientState(GL_COLOR_ARRAY);
|
|
glDisableClientState(GL_VERTEX_ARRAY);
|
|
glDisableClientState(GL_NORMAL_ARRAY);
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
}
|
|
|
|
|
|
//! draws a 2d image, using a color and the alpha channel of the texture
|
|
void COGLES1Driver::draw2DImage(const video::ITexture* texture,
|
|
const core::position2d<s32>& pos,
|
|
const core::rect<s32>& sourceRect,
|
|
const core::rect<s32>* clipRect, SColor color,
|
|
bool useAlphaChannelOfTexture)
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
if (!sourceRect.isValid())
|
|
return;
|
|
|
|
core::position2d<s32> targetPos(pos);
|
|
core::position2d<s32> sourcePos(sourceRect.UpperLeftCorner);
|
|
core::dimension2d<s32> sourceSize(sourceRect.getSize());
|
|
if (clipRect)
|
|
{
|
|
if (targetPos.X < clipRect->UpperLeftCorner.X)
|
|
{
|
|
sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X;
|
|
if (sourceSize.Width <= 0)
|
|
return;
|
|
|
|
sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X;
|
|
targetPos.X = clipRect->UpperLeftCorner.X;
|
|
}
|
|
|
|
if (targetPos.X + sourceSize.Width > clipRect->LowerRightCorner.X)
|
|
{
|
|
sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X;
|
|
if (sourceSize.Width <= 0)
|
|
return;
|
|
}
|
|
|
|
if (targetPos.Y < clipRect->UpperLeftCorner.Y)
|
|
{
|
|
sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y;
|
|
if (sourceSize.Height <= 0)
|
|
return;
|
|
|
|
sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y;
|
|
targetPos.Y = clipRect->UpperLeftCorner.Y;
|
|
}
|
|
|
|
if (targetPos.Y + sourceSize.Height > clipRect->LowerRightCorner.Y)
|
|
{
|
|
sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y;
|
|
if (sourceSize.Height <= 0)
|
|
return;
|
|
}
|
|
}
|
|
|
|
// clip these coordinates
|
|
|
|
if (targetPos.X<0)
|
|
{
|
|
sourceSize.Width += targetPos.X;
|
|
if (sourceSize.Width <= 0)
|
|
return;
|
|
|
|
sourcePos.X -= targetPos.X;
|
|
targetPos.X = 0;
|
|
}
|
|
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
|
|
if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width)
|
|
{
|
|
sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width;
|
|
if (sourceSize.Width <= 0)
|
|
return;
|
|
}
|
|
|
|
if (targetPos.Y<0)
|
|
{
|
|
sourceSize.Height += targetPos.Y;
|
|
if (sourceSize.Height <= 0)
|
|
return;
|
|
|
|
sourcePos.Y -= targetPos.Y;
|
|
targetPos.Y = 0;
|
|
}
|
|
|
|
if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height)
|
|
{
|
|
sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height;
|
|
if (sourceSize.Height <= 0)
|
|
return;
|
|
}
|
|
|
|
// ok, we've clipped everything.
|
|
// now draw it.
|
|
|
|
// texcoords need to be flipped horizontally for RTTs
|
|
const bool isRTT = texture->isRenderTarget();
|
|
const core::dimension2d<u32>& ss = texture->getOriginalSize();
|
|
const f32 invW = 1.f / static_cast<f32>(ss.Width);
|
|
const f32 invH = 1.f / static_cast<f32>(ss.Height);
|
|
const core::rect<f32> tcoords(
|
|
sourcePos.X * invW,
|
|
(isRTT?(sourcePos.Y + sourceSize.Height):sourcePos.Y) * invH,
|
|
(sourcePos.X + sourceSize.Width) * invW,
|
|
(isRTT?sourcePos.Y:(sourcePos.Y + sourceSize.Height)) * invH);
|
|
|
|
const core::rect<s32> poss(targetPos, sourceSize);
|
|
|
|
if (!CacheHandler->getTextureCache().set(0, texture))
|
|
return;
|
|
|
|
setRenderStates2DMode(color.getAlpha()<255, true, useAlphaChannelOfTexture);
|
|
|
|
u16 indices[] = {0,1,2,3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0,0,1, color, tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y);
|
|
vertices[1] = S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0,0,1, color, tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y);
|
|
vertices[2] = S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0,0,1, color, tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y);
|
|
vertices[3] = S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0,0,1, color, tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! The same, but with a four element array of colors, one for each vertex
|
|
void COGLES1Driver::draw2DImage(const video::ITexture* texture, const core::rect<s32>& destRect,
|
|
const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect,
|
|
const video::SColor* const colors, bool useAlphaChannelOfTexture)
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
// texcoords need to be flipped horizontally for RTTs
|
|
const bool isRTT = texture->isRenderTarget();
|
|
const core::dimension2du& ss = texture->getOriginalSize();
|
|
const f32 invW = 1.f / static_cast<f32>(ss.Width);
|
|
const f32 invH = 1.f / static_cast<f32>(ss.Height);
|
|
const core::rect<f32> tcoords(
|
|
sourceRect.UpperLeftCorner.X * invW,
|
|
(isRTT?sourceRect.LowerRightCorner.Y:sourceRect.UpperLeftCorner.Y) * invH,
|
|
sourceRect.LowerRightCorner.X * invW,
|
|
(isRTT?sourceRect.UpperLeftCorner.Y:sourceRect.LowerRightCorner.Y) *invH);
|
|
|
|
const video::SColor temp[4] =
|
|
{
|
|
0xFFFFFFFF,
|
|
0xFFFFFFFF,
|
|
0xFFFFFFFF,
|
|
0xFFFFFFFF
|
|
};
|
|
|
|
const video::SColor* const useColor = colors ? colors : temp;
|
|
|
|
if (!CacheHandler->getTextureCache().set(0, texture))
|
|
return;
|
|
|
|
setRenderStates2DMode(useColor[0].getAlpha()<255 || useColor[1].getAlpha()<255 ||
|
|
useColor[2].getAlpha()<255 || useColor[3].getAlpha()<255,
|
|
true, useAlphaChannelOfTexture);
|
|
|
|
if (clipRect)
|
|
{
|
|
if (!clipRect->isValid())
|
|
return;
|
|
|
|
glEnable(GL_SCISSOR_TEST);
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height-clipRect->LowerRightCorner.Y,
|
|
clipRect->getWidth(), clipRect->getHeight());
|
|
}
|
|
|
|
u16 indices[] = {0,1,2,3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex((f32)destRect.UpperLeftCorner.X, (f32)destRect.UpperLeftCorner.Y, 0, 0,0,1, useColor[0], tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y);
|
|
vertices[1] = S3DVertex((f32)destRect.LowerRightCorner.X, (f32)destRect.UpperLeftCorner.Y, 0, 0,0,1, useColor[3], tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y);
|
|
vertices[2] = S3DVertex((f32)destRect.LowerRightCorner.X, (f32)destRect.LowerRightCorner.Y, 0, 0,0,1, useColor[2], tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y);
|
|
vertices[3] = S3DVertex((f32)destRect.UpperLeftCorner.X, (f32)destRect.LowerRightCorner.Y, 0, 0,0,1, useColor[1], tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
|
|
if (clipRect)
|
|
glDisable(GL_SCISSOR_TEST);
|
|
}
|
|
|
|
void COGLES1Driver::draw2DImage(const video::ITexture* texture, u32 layer, bool flip)
|
|
{
|
|
if (!texture || !CacheHandler->getTextureCache().set(0, texture))
|
|
return;
|
|
|
|
setRenderStates2DMode(false, true, true);
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
|
|
Transformation3DChanged = true;
|
|
|
|
u16 indices[] = { 0,1,2,3 };
|
|
S3DVertex vertices[4];
|
|
|
|
vertices[0].Pos = core::vector3df(-1.f, 1.f, 0.f);
|
|
vertices[1].Pos = core::vector3df(1.f, 1.f, 0.f);
|
|
vertices[2].Pos = core::vector3df(1.f, -1.f, 0.f);
|
|
vertices[3].Pos = core::vector3df(-1.f, -1.f, 0.f);
|
|
|
|
f32 modificator = (flip) ? 1.f : 0.f;
|
|
|
|
vertices[0].TCoords = core::vector2df(0.f, 0.f + modificator);
|
|
vertices[1].TCoords = core::vector2df(1.f, 0.f + modificator);
|
|
vertices[2].TCoords = core::vector2df(1.f, 1.f - modificator);
|
|
vertices[3].TCoords = core::vector2df(0.f, 1.f - modificator);
|
|
|
|
vertices[0].Color = 0xFFFFFFFF;
|
|
vertices[1].Color = 0xFFFFFFFF;
|
|
vertices[2].Color = 0xFFFFFFFF;
|
|
vertices[3].Color = 0xFFFFFFFF;
|
|
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! draws a set of 2d images, using a color and the alpha channel
|
|
void COGLES1Driver::draw2DImageBatch(const video::ITexture* texture,
|
|
const core::position2d<s32>& pos,
|
|
const core::array<core::rect<s32> >& sourceRects,
|
|
const core::array<s32>& indices, s32 kerningWidth,
|
|
const core::rect<s32>* clipRect, SColor color,
|
|
bool useAlphaChannelOfTexture)
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
if (!CacheHandler->getTextureCache().set(0, texture))
|
|
return;
|
|
|
|
setRenderStates2DMode(color.getAlpha()<255, true, useAlphaChannelOfTexture);
|
|
|
|
if (clipRect)
|
|
{
|
|
if (!clipRect->isValid())
|
|
return;
|
|
|
|
glEnable(GL_SCISSOR_TEST);
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height-clipRect->LowerRightCorner.Y,
|
|
clipRect->getWidth(),clipRect->getHeight());
|
|
}
|
|
|
|
const core::dimension2du& ss = texture->getOriginalSize();
|
|
core::position2d<s32> targetPos(pos);
|
|
// texcoords need to be flipped horizontally for RTTs
|
|
const bool isRTT = texture->isRenderTarget();
|
|
const f32 invW = 1.f / static_cast<f32>(ss.Width);
|
|
const f32 invH = 1.f / static_cast<f32>(ss.Height);
|
|
|
|
core::array<S3DVertex> vertices;
|
|
core::array<u16> quadIndices;
|
|
vertices.reallocate(indices.size()*4);
|
|
quadIndices.reallocate(indices.size()*6);
|
|
for (u32 i=0; i<indices.size(); ++i)
|
|
{
|
|
const s32 currentIndex = indices[i];
|
|
if (!sourceRects[currentIndex].isValid())
|
|
break;
|
|
|
|
const core::rect<f32> tcoords(
|
|
sourceRects[currentIndex].UpperLeftCorner.X * invW,
|
|
(isRTT?sourceRects[currentIndex].LowerRightCorner.Y:sourceRects[currentIndex].UpperLeftCorner.Y) * invH,
|
|
sourceRects[currentIndex].LowerRightCorner.X * invW,
|
|
(isRTT?sourceRects[currentIndex].UpperLeftCorner.Y:sourceRects[currentIndex].LowerRightCorner.Y) * invH);
|
|
|
|
const core::rect<s32> poss(targetPos, sourceRects[currentIndex].getSize());
|
|
|
|
const u32 vstart = vertices.size();
|
|
|
|
vertices.push_back(S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0,0,1, color, tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y));
|
|
vertices.push_back(S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0,0,1, color, tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y));
|
|
vertices.push_back(S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0,0,1, color, tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y));
|
|
vertices.push_back(S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0,0,1, color, tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y));
|
|
|
|
quadIndices.push_back(vstart);
|
|
quadIndices.push_back(vstart+1);
|
|
quadIndices.push_back(vstart+2);
|
|
quadIndices.push_back(vstart);
|
|
quadIndices.push_back(vstart+2);
|
|
quadIndices.push_back(vstart+3);
|
|
|
|
targetPos.X += sourceRects[currentIndex].getWidth();
|
|
}
|
|
if (vertices.size())
|
|
drawVertexPrimitiveList2d3d(vertices.pointer(), vertices.size(),
|
|
quadIndices.pointer(), vertices.size()/2,
|
|
video::EVT_STANDARD, scene::EPT_TRIANGLES,
|
|
EIT_16BIT, false);
|
|
if (clipRect)
|
|
glDisable(GL_SCISSOR_TEST);
|
|
}
|
|
|
|
|
|
//! draws a set of 2d images, using a color and the alpha channel of the texture if desired.
|
|
void COGLES1Driver::draw2DImageBatch(const video::ITexture* texture,
|
|
const core::array<core::position2d<s32> >& positions,
|
|
const core::array<core::rect<s32> >& sourceRects,
|
|
const core::rect<s32>* clipRect,
|
|
SColor color,
|
|
bool useAlphaChannelOfTexture)
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
const u32 drawCount = core::min_<u32>(positions.size(), sourceRects.size());
|
|
if (!drawCount)
|
|
return;
|
|
|
|
const core::dimension2d<u32>& ss = texture->getOriginalSize();
|
|
if (!ss.Width || !ss.Height)
|
|
return;
|
|
const f32 invW = 1.f / static_cast<f32>(ss.Width);
|
|
const f32 invH = 1.f / static_cast<f32>(ss.Height);
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
|
|
if (!CacheHandler->getTextureCache().set(0, texture))
|
|
return;
|
|
|
|
setRenderStates2DMode(color.getAlpha()<255, true, useAlphaChannelOfTexture);
|
|
|
|
core::array<S3DVertex> vertices;
|
|
core::array<u16> quadIndices;
|
|
vertices.reallocate(drawCount*4);
|
|
quadIndices.reallocate(drawCount*6);
|
|
|
|
for (u32 i=0; i<drawCount; ++i)
|
|
{
|
|
if (!sourceRects[i].isValid())
|
|
continue;
|
|
|
|
core::position2d<s32> targetPos(positions[i]);
|
|
core::position2d<s32> sourcePos(sourceRects[i].UpperLeftCorner);
|
|
// This needs to be signed as it may go negative.
|
|
core::dimension2d<s32> sourceSize(sourceRects[i].getSize());
|
|
if (clipRect)
|
|
{
|
|
if (targetPos.X < clipRect->UpperLeftCorner.X)
|
|
{
|
|
sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X;
|
|
if (sourceSize.Width <= 0)
|
|
continue;
|
|
|
|
sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X;
|
|
targetPos.X = clipRect->UpperLeftCorner.X;
|
|
}
|
|
|
|
if (targetPos.X + sourceSize.Width > clipRect->LowerRightCorner.X)
|
|
{
|
|
sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X;
|
|
if (sourceSize.Width <= 0)
|
|
continue;
|
|
}
|
|
|
|
if (targetPos.Y < clipRect->UpperLeftCorner.Y)
|
|
{
|
|
sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y;
|
|
if (sourceSize.Height <= 0)
|
|
continue;
|
|
|
|
sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y;
|
|
targetPos.Y = clipRect->UpperLeftCorner.Y;
|
|
}
|
|
|
|
if (targetPos.Y + sourceSize.Height > clipRect->LowerRightCorner.Y)
|
|
{
|
|
sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y;
|
|
if (sourceSize.Height <= 0)
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// clip these coordinates
|
|
|
|
if (targetPos.X<0)
|
|
{
|
|
sourceSize.Width += targetPos.X;
|
|
if (sourceSize.Width <= 0)
|
|
continue;
|
|
|
|
sourcePos.X -= targetPos.X;
|
|
targetPos.X = 0;
|
|
}
|
|
|
|
if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width)
|
|
{
|
|
sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width;
|
|
if (sourceSize.Width <= 0)
|
|
continue;
|
|
}
|
|
|
|
if (targetPos.Y<0)
|
|
{
|
|
sourceSize.Height += targetPos.Y;
|
|
if (sourceSize.Height <= 0)
|
|
continue;
|
|
|
|
sourcePos.Y -= targetPos.Y;
|
|
targetPos.Y = 0;
|
|
}
|
|
|
|
if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height)
|
|
{
|
|
sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height;
|
|
if (sourceSize.Height <= 0)
|
|
continue;
|
|
}
|
|
|
|
// ok, we've clipped everything.
|
|
|
|
const core::rect<f32> tcoords(
|
|
sourcePos.X * invW,
|
|
sourcePos.Y * invH,
|
|
(sourcePos.X + sourceSize.Width) * invW,
|
|
(sourcePos.Y + sourceSize.Height) * invH);
|
|
|
|
const core::rect<s32> poss(targetPos, sourceSize);
|
|
|
|
const u32 vstart = vertices.size();
|
|
|
|
vertices.push_back(S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0,0,1, color, tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y));
|
|
vertices.push_back(S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0,0,1, color, tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y));
|
|
vertices.push_back(S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0,0,1, color, tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y));
|
|
vertices.push_back(S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0,0,1, color, tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y));
|
|
|
|
quadIndices.push_back(vstart);
|
|
quadIndices.push_back(vstart+1);
|
|
quadIndices.push_back(vstart+2);
|
|
quadIndices.push_back(vstart);
|
|
quadIndices.push_back(vstart+2);
|
|
quadIndices.push_back(vstart+3);
|
|
}
|
|
if (vertices.size())
|
|
drawVertexPrimitiveList2d3d(vertices.pointer(), vertices.size(),
|
|
quadIndices.pointer(), vertices.size()/2,
|
|
video::EVT_STANDARD, scene::EPT_TRIANGLES,
|
|
EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! draw a 2d rectangle
|
|
void COGLES1Driver::draw2DRectangle(SColor color, const core::rect<s32>& position,
|
|
const core::rect<s32>* clip)
|
|
{
|
|
setRenderStates2DMode(color.getAlpha() < 255, false, false);
|
|
|
|
core::rect<s32> pos = position;
|
|
|
|
if (clip)
|
|
pos.clipAgainst(*clip);
|
|
|
|
if (!pos.isValid())
|
|
return;
|
|
|
|
u16 indices[] = {0,1,2,3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex((f32)pos.UpperLeftCorner.X, (f32)pos.UpperLeftCorner.Y, 0, 0,0,1, color, 0,0);
|
|
vertices[1] = S3DVertex((f32)pos.LowerRightCorner.X, (f32)pos.UpperLeftCorner.Y, 0, 0,0,1, color, 0,0);
|
|
vertices[2] = S3DVertex((f32)pos.LowerRightCorner.X, (f32)pos.LowerRightCorner.Y, 0, 0,0,1, color, 0,0);
|
|
vertices[3] = S3DVertex((f32)pos.UpperLeftCorner.X, (f32)pos.LowerRightCorner.Y, 0, 0,0,1, color, 0,0);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! draw an 2d rectangle
|
|
void COGLES1Driver::draw2DRectangle(const core::rect<s32>& position,
|
|
SColor colorLeftUp, SColor colorRightUp, SColor colorLeftDown, SColor colorRightDown,
|
|
const core::rect<s32>* clip)
|
|
{
|
|
core::rect<s32> pos = position;
|
|
|
|
if (clip)
|
|
pos.clipAgainst(*clip);
|
|
|
|
if (!pos.isValid())
|
|
return;
|
|
|
|
setRenderStates2DMode(colorLeftUp.getAlpha() < 255 ||
|
|
colorRightUp.getAlpha() < 255 ||
|
|
colorLeftDown.getAlpha() < 255 ||
|
|
colorRightDown.getAlpha() < 255, false, false);
|
|
|
|
u16 indices[] = {0,1,2,3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex((f32)pos.UpperLeftCorner.X, (f32)pos.UpperLeftCorner.Y, 0, 0,0,1, colorLeftUp, 0,0);
|
|
vertices[1] = S3DVertex((f32)pos.LowerRightCorner.X, (f32)pos.UpperLeftCorner.Y, 0, 0,0,1, colorRightUp, 0,0);
|
|
vertices[2] = S3DVertex((f32)pos.LowerRightCorner.X, (f32)pos.LowerRightCorner.Y, 0, 0,0,1, colorRightDown, 0,0);
|
|
vertices[3] = S3DVertex((f32)pos.UpperLeftCorner.X, (f32)pos.LowerRightCorner.Y, 0, 0,0,1, colorLeftDown, 0,0);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! Draws a 2d line.
|
|
void COGLES1Driver::draw2DLine(const core::position2d<s32>& start,
|
|
const core::position2d<s32>& end,
|
|
SColor color)
|
|
{
|
|
setRenderStates2DMode(color.getAlpha() < 255, false, false);
|
|
|
|
u16 indices[] = {0,1};
|
|
S3DVertex vertices[2];
|
|
vertices[0] = S3DVertex((f32)start.X, (f32)start.Y, 0, 0,0,1, color, 0,0);
|
|
vertices[1] = S3DVertex((f32)end.X, (f32)end.Y, 0, 0,0,1, color, 1,1);
|
|
drawVertexPrimitiveList2d3d(vertices, 2, indices, 1, video::EVT_STANDARD, scene::EPT_LINES, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! Draws a pixel
|
|
void COGLES1Driver::drawPixel(u32 x, u32 y, const SColor &color)
|
|
{
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
if (x > (u32)renderTargetSize.Width || y > (u32)renderTargetSize.Height)
|
|
return;
|
|
|
|
setRenderStates2DMode(color.getAlpha() < 255, false, false);
|
|
|
|
u16 indices[] = {0};
|
|
S3DVertex vertices[1];
|
|
vertices[0] = S3DVertex((f32)x, (f32)y, 0, 0, 0, 1, color, 0, 0);
|
|
drawVertexPrimitiveList2d3d(vertices, 1, indices, 1, video::EVT_STANDARD, scene::EPT_POINTS, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! creates a matrix in supplied GLfloat array to pass to OGLES1
|
|
inline void COGLES1Driver::getGLMatrix(GLfloat gl_matrix[16], const core::matrix4& m)
|
|
{
|
|
memcpy(gl_matrix, m.pointer(), 16 * sizeof(f32));
|
|
}
|
|
|
|
|
|
//! creates a opengltexturematrix from a D3D style texture matrix
|
|
inline void COGLES1Driver::getGLTextureMatrix(GLfloat *o, const core::matrix4& m)
|
|
{
|
|
o[0] = m[0];
|
|
o[1] = m[1];
|
|
o[2] = 0.f;
|
|
o[3] = 0.f;
|
|
|
|
o[4] = m[4];
|
|
o[5] = m[5];
|
|
o[6] = 0.f;
|
|
o[7] = 0.f;
|
|
|
|
o[8] = 0.f;
|
|
o[9] = 0.f;
|
|
o[10] = 1.f;
|
|
o[11] = 0.f;
|
|
|
|
o[12] = m[8];
|
|
o[13] = m[9];
|
|
o[14] = 0.f;
|
|
o[15] = 1.f;
|
|
}
|
|
|
|
ITexture* COGLES1Driver::createDeviceDependentTexture(const io::path& name, IImage* image)
|
|
{
|
|
core::array<IImage*> imageArray(1);
|
|
imageArray.push_back(image);
|
|
|
|
COGLES1Texture* texture = new COGLES1Texture(name, imageArray, ETT_2D, this);
|
|
|
|
return texture;
|
|
}
|
|
|
|
ITexture* COGLES1Driver::createDeviceDependentTextureCubemap(const io::path& name, const core::array<IImage*>& image)
|
|
{
|
|
COGLES1Texture* texture = new COGLES1Texture(name, image, ETT_CUBEMAP, this);
|
|
|
|
return texture;
|
|
}
|
|
|
|
//! Sets a material. All 3d drawing functions draw geometry now using this material.
|
|
void COGLES1Driver::setMaterial(const SMaterial& material)
|
|
{
|
|
Material = material;
|
|
OverrideMaterial.apply(Material);
|
|
|
|
for (u32 i = 0; i < Feature.MaxTextureUnits; ++i)
|
|
setTransform((E_TRANSFORMATION_STATE)(ETS_TEXTURE_0 + i), material.getTextureMatrix(i));
|
|
}
|
|
|
|
|
|
//! prints error if an error happened.
|
|
bool COGLES1Driver::testGLError(int code)
|
|
{
|
|
#ifdef _DEBUG
|
|
GLenum g = glGetError();
|
|
switch(g)
|
|
{
|
|
case GL_NO_ERROR:
|
|
return false;
|
|
case GL_INVALID_ENUM:
|
|
os::Printer::log("GL_INVALID_ENUM", core::stringc(code).c_str(), ELL_ERROR); break;
|
|
case GL_INVALID_VALUE:
|
|
os::Printer::log("GL_INVALID_VALUE", core::stringc(code).c_str(), ELL_ERROR); break;
|
|
case GL_INVALID_OPERATION:
|
|
os::Printer::log("GL_INVALID_OPERATION", core::stringc(code).c_str(), ELL_ERROR); break;
|
|
case GL_STACK_OVERFLOW:
|
|
os::Printer::log("GL_STACK_OVERFLOW", core::stringc(code).c_str(), ELL_ERROR); break;
|
|
case GL_STACK_UNDERFLOW:
|
|
os::Printer::log("GL_STACK_UNDERFLOW", core::stringc(code).c_str(), ELL_ERROR); break;
|
|
case GL_OUT_OF_MEMORY:
|
|
os::Printer::log("GL_OUT_OF_MEMORY", core::stringc(code).c_str(), ELL_ERROR); break;
|
|
};
|
|
// _IRR_DEBUG_BREAK_IF(true);
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
|
|
//! sets the needed renderstates
|
|
void COGLES1Driver::setRenderStates3DMode()
|
|
{
|
|
if (CurrentRenderMode != ERM_3D)
|
|
{
|
|
// Reset Texture Stages
|
|
CacheHandler->setBlend(false);
|
|
glDisable(GL_ALPHA_TEST);
|
|
CacheHandler->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
// switch back the matrices
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadMatrixf((Matrices[ETS_VIEW] * Matrices[ETS_WORLD]).pointer());
|
|
|
|
GLfloat glmat[16];
|
|
getGLMatrix(glmat, Matrices[ETS_PROJECTION]);
|
|
glmat[12] *= -1.0f;
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadMatrixf(glmat);
|
|
|
|
ResetRenderStates = true;
|
|
}
|
|
|
|
if ( ResetRenderStates || LastMaterial != Material)
|
|
{
|
|
// unset old material
|
|
|
|
if (LastMaterial.MaterialType != Material.MaterialType &&
|
|
static_cast<u32>(LastMaterial.MaterialType) < MaterialRenderers.size())
|
|
MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial();
|
|
|
|
// set new material.
|
|
if (static_cast<u32>(Material.MaterialType) < MaterialRenderers.size())
|
|
MaterialRenderers[Material.MaterialType].Renderer->OnSetMaterial(
|
|
Material, LastMaterial, ResetRenderStates, this);
|
|
|
|
LastMaterial = Material;
|
|
CacheHandler->correctCacheMaterial(LastMaterial);
|
|
ResetRenderStates = false;
|
|
}
|
|
|
|
if (static_cast<u32>(Material.MaterialType) < MaterialRenderers.size())
|
|
MaterialRenderers[Material.MaterialType].Renderer->OnRender(this, video::EVT_STANDARD);
|
|
|
|
CurrentRenderMode = ERM_3D;
|
|
}
|
|
|
|
|
|
GLint COGLES1Driver::getTextureWrapMode(u8 clamp) const
|
|
{
|
|
switch (clamp)
|
|
{
|
|
case ETC_CLAMP:
|
|
// return GL_CLAMP; not supported in ogl-es
|
|
return GL_CLAMP_TO_EDGE;
|
|
break;
|
|
case ETC_CLAMP_TO_EDGE:
|
|
return GL_CLAMP_TO_EDGE;
|
|
break;
|
|
case ETC_CLAMP_TO_BORDER:
|
|
// return GL_CLAMP_TO_BORDER; not supported in ogl-es
|
|
return GL_CLAMP_TO_EDGE;
|
|
break;
|
|
case ETC_MIRROR:
|
|
#ifdef GL_OES_texture_mirrored_repeat
|
|
if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_texture_mirrored_repeat])
|
|
return GL_MIRRORED_REPEAT_OES;
|
|
else
|
|
#endif
|
|
return GL_REPEAT;
|
|
break;
|
|
// the next three are not yet supported at all
|
|
case ETC_MIRROR_CLAMP:
|
|
case ETC_MIRROR_CLAMP_TO_EDGE:
|
|
case ETC_MIRROR_CLAMP_TO_BORDER:
|
|
#ifdef GL_OES_texture_mirrored_repeat
|
|
if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_texture_mirrored_repeat])
|
|
return GL_MIRRORED_REPEAT_OES;
|
|
else
|
|
#endif
|
|
return GL_CLAMP_TO_EDGE;
|
|
break;
|
|
case ETC_REPEAT:
|
|
default:
|
|
return GL_REPEAT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
//! Can be called by an IMaterialRenderer to make its work easier.
|
|
void COGLES1Driver::setBasicRenderStates(const SMaterial& material, const SMaterial& lastmaterial,
|
|
bool resetAllRenderStates)
|
|
{
|
|
if (resetAllRenderStates ||
|
|
lastmaterial.ColorMaterial != material.ColorMaterial)
|
|
{
|
|
// we only have diffuse_and_ambient in ogl-es
|
|
if (material.ColorMaterial == ECM_DIFFUSE_AND_AMBIENT)
|
|
glEnable(GL_COLOR_MATERIAL);
|
|
else
|
|
glDisable(GL_COLOR_MATERIAL);
|
|
}
|
|
|
|
if (resetAllRenderStates ||
|
|
lastmaterial.AmbientColor != material.AmbientColor ||
|
|
lastmaterial.DiffuseColor != material.DiffuseColor ||
|
|
lastmaterial.EmissiveColor != material.EmissiveColor ||
|
|
lastmaterial.ColorMaterial != material.ColorMaterial)
|
|
{
|
|
GLfloat color[4];
|
|
|
|
const f32 inv = 1.0f / 255.0f;
|
|
|
|
if ((material.ColorMaterial != video::ECM_AMBIENT) &&
|
|
(material.ColorMaterial != video::ECM_DIFFUSE_AND_AMBIENT))
|
|
{
|
|
color[0] = material.AmbientColor.getRed() * inv;
|
|
color[1] = material.AmbientColor.getGreen() * inv;
|
|
color[2] = material.AmbientColor.getBlue() * inv;
|
|
color[3] = material.AmbientColor.getAlpha() * inv;
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, color);
|
|
}
|
|
|
|
if ((material.ColorMaterial != video::ECM_DIFFUSE) &&
|
|
(material.ColorMaterial != video::ECM_DIFFUSE_AND_AMBIENT))
|
|
{
|
|
color[0] = material.DiffuseColor.getRed() * inv;
|
|
color[1] = material.DiffuseColor.getGreen() * inv;
|
|
color[2] = material.DiffuseColor.getBlue() * inv;
|
|
color[3] = material.DiffuseColor.getAlpha() * inv;
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, color);
|
|
}
|
|
|
|
if (material.ColorMaterial != video::ECM_EMISSIVE)
|
|
{
|
|
color[0] = material.EmissiveColor.getRed() * inv;
|
|
color[1] = material.EmissiveColor.getGreen() * inv;
|
|
color[2] = material.EmissiveColor.getBlue() * inv;
|
|
color[3] = material.EmissiveColor.getAlpha() * inv;
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, color);
|
|
}
|
|
}
|
|
|
|
if (resetAllRenderStates ||
|
|
lastmaterial.SpecularColor != material.SpecularColor ||
|
|
lastmaterial.Shininess != material.Shininess)
|
|
{
|
|
GLfloat color[]={0.f,0.f,0.f,1.f};
|
|
const f32 inv = 1.0f / 255.0f;
|
|
|
|
// disable Specular colors if no shininess is set
|
|
if ((material.Shininess != 0.0f) &&
|
|
(material.ColorMaterial != video::ECM_SPECULAR))
|
|
{
|
|
#ifdef GL_EXT_separate_specular_color
|
|
if (FeatureAvailable[IRR_EXT_separate_specular_color])
|
|
glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
|
|
#endif
|
|
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, material.Shininess);
|
|
color[0] = material.SpecularColor.getRed() * inv;
|
|
color[1] = material.SpecularColor.getGreen() * inv;
|
|
color[2] = material.SpecularColor.getBlue() * inv;
|
|
color[3] = material.SpecularColor.getAlpha() * inv;
|
|
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, color);
|
|
}
|
|
#ifdef GL_EXT_separate_specular_color
|
|
else
|
|
if (FeatureAvailable[IRR_EXT_separate_specular_color])
|
|
glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
|
|
#endif
|
|
}
|
|
|
|
// TODO ogl-es
|
|
// fillmode
|
|
// if (resetAllRenderStates || (lastmaterial.Wireframe != material.Wireframe) || (lastmaterial.PointCloud != material.PointCloud))
|
|
// glPolygonMode(GL_FRONT_AND_BACK, material.Wireframe ? GL_LINE : material.PointCloud? GL_POINT : GL_FILL);
|
|
|
|
// shademode
|
|
if (resetAllRenderStates || (lastmaterial.GouraudShading != material.GouraudShading))
|
|
{
|
|
if (material.GouraudShading)
|
|
glShadeModel(GL_SMOOTH);
|
|
else
|
|
glShadeModel(GL_FLAT);
|
|
}
|
|
|
|
// lighting
|
|
if (resetAllRenderStates || (lastmaterial.Lighting != material.Lighting))
|
|
{
|
|
if (material.Lighting)
|
|
glEnable(GL_LIGHTING);
|
|
else
|
|
glDisable(GL_LIGHTING);
|
|
}
|
|
|
|
// zbuffer
|
|
if (resetAllRenderStates || lastmaterial.ZBuffer != material.ZBuffer)
|
|
{
|
|
switch (material.ZBuffer)
|
|
{
|
|
case ECFN_DISABLED:
|
|
glDisable(GL_DEPTH_TEST);
|
|
break;
|
|
case ECFN_LESSEQUAL:
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_LEQUAL);
|
|
break;
|
|
case ECFN_EQUAL:
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_EQUAL);
|
|
break;
|
|
case ECFN_LESS:
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_LESS);
|
|
break;
|
|
case ECFN_NOTEQUAL:
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_NOTEQUAL);
|
|
break;
|
|
case ECFN_GREATEREQUAL:
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_GEQUAL);
|
|
break;
|
|
case ECFN_GREATER:
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_GREATER);
|
|
break;
|
|
case ECFN_ALWAYS:
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_ALWAYS);
|
|
break;
|
|
case ECFN_NEVER:
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthFunc(GL_NEVER);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// zwrite
|
|
if (getWriteZBuffer(material))
|
|
{
|
|
glDepthMask(GL_TRUE);
|
|
}
|
|
else
|
|
{
|
|
glDepthMask(GL_FALSE);
|
|
}
|
|
|
|
// back face culling
|
|
if (resetAllRenderStates || (lastmaterial.FrontfaceCulling != material.FrontfaceCulling) || (lastmaterial.BackfaceCulling != material.BackfaceCulling))
|
|
{
|
|
if ((material.FrontfaceCulling) && (material.BackfaceCulling))
|
|
{
|
|
glCullFace(GL_FRONT_AND_BACK);
|
|
glEnable(GL_CULL_FACE);
|
|
}
|
|
else
|
|
if (material.BackfaceCulling)
|
|
{
|
|
glCullFace(GL_BACK);
|
|
glEnable(GL_CULL_FACE);
|
|
}
|
|
else
|
|
if (material.FrontfaceCulling)
|
|
{
|
|
glCullFace(GL_FRONT);
|
|
glEnable(GL_CULL_FACE);
|
|
}
|
|
else
|
|
glDisable(GL_CULL_FACE);
|
|
}
|
|
|
|
// fog
|
|
if (resetAllRenderStates || lastmaterial.FogEnable != material.FogEnable)
|
|
{
|
|
if (material.FogEnable)
|
|
glEnable(GL_FOG);
|
|
else
|
|
glDisable(GL_FOG);
|
|
}
|
|
|
|
// normalization
|
|
if (resetAllRenderStates || lastmaterial.NormalizeNormals != material.NormalizeNormals)
|
|
{
|
|
if (material.NormalizeNormals)
|
|
glEnable(GL_NORMALIZE);
|
|
else
|
|
glDisable(GL_NORMALIZE);
|
|
}
|
|
|
|
// Color Mask
|
|
if (resetAllRenderStates || lastmaterial.ColorMask != material.ColorMask)
|
|
{
|
|
glColorMask(
|
|
(material.ColorMask & ECP_RED)?GL_TRUE:GL_FALSE,
|
|
(material.ColorMask & ECP_GREEN)?GL_TRUE:GL_FALSE,
|
|
(material.ColorMask & ECP_BLUE)?GL_TRUE:GL_FALSE,
|
|
(material.ColorMask & ECP_ALPHA)?GL_TRUE:GL_FALSE);
|
|
}
|
|
|
|
// Blend Equation
|
|
if (material.BlendOperation == EBO_NONE)
|
|
CacheHandler->setBlend(false);
|
|
else
|
|
{
|
|
CacheHandler->setBlend(true);
|
|
|
|
if (queryFeature(EVDF_BLEND_OPERATIONS))
|
|
{
|
|
switch (material.BlendOperation)
|
|
{
|
|
case EBO_ADD:
|
|
#if defined(GL_OES_blend_subtract)
|
|
CacheHandler->setBlendEquation(GL_FUNC_ADD_OES);
|
|
#endif
|
|
break;
|
|
case EBO_SUBTRACT:
|
|
#if defined(GL_OES_blend_subtract)
|
|
CacheHandler->setBlendEquation(GL_FUNC_SUBTRACT_OES);
|
|
#endif
|
|
break;
|
|
case EBO_REVSUBTRACT:
|
|
#if defined(GL_OES_blend_subtract)
|
|
CacheHandler->setBlendEquation(GL_FUNC_REVERSE_SUBTRACT_OES);
|
|
#endif
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Blend Factor
|
|
if (IR(material.BlendFactor) & 0xFFFFFFFF // TODO: why the & 0xFFFFFFFF?
|
|
&& material.MaterialType != EMT_ONETEXTURE_BLEND
|
|
)
|
|
{
|
|
E_BLEND_FACTOR srcRGBFact = EBF_ZERO;
|
|
E_BLEND_FACTOR dstRGBFact = EBF_ZERO;
|
|
E_BLEND_FACTOR srcAlphaFact = EBF_ZERO;
|
|
E_BLEND_FACTOR dstAlphaFact = EBF_ZERO;
|
|
E_MODULATE_FUNC modulo = EMFN_MODULATE_1X;
|
|
u32 alphaSource = 0;
|
|
|
|
unpack_textureBlendFuncSeparate(srcRGBFact, dstRGBFact, srcAlphaFact, dstAlphaFact, modulo, alphaSource, material.BlendFactor);
|
|
|
|
if (queryFeature(EVDF_BLEND_SEPARATE))
|
|
{
|
|
CacheHandler->setBlendFuncSeparate(getGLBlend(srcRGBFact), getGLBlend(dstRGBFact),
|
|
getGLBlend(srcAlphaFact), getGLBlend(dstAlphaFact));
|
|
}
|
|
else
|
|
{
|
|
CacheHandler->setBlendFunc(getGLBlend(srcRGBFact), getGLBlend(dstRGBFact));
|
|
}
|
|
}
|
|
|
|
// TODO: Polygon Offset. Not sure if it was left out deliberately or if it won't work with this driver.
|
|
|
|
// thickness
|
|
if (resetAllRenderStates || lastmaterial.Thickness != material.Thickness)
|
|
{
|
|
if (AntiAlias)
|
|
{
|
|
// glPointSize(core::clamp(static_cast<GLfloat>(material.Thickness), DimSmoothedPoint[0], DimSmoothedPoint[1]));
|
|
// we don't use point smoothing
|
|
glPointSize(core::clamp(static_cast<GLfloat>(material.Thickness), DimAliasedPoint[0], DimAliasedPoint[1]));
|
|
}
|
|
else
|
|
{
|
|
glPointSize(core::clamp(static_cast<GLfloat>(material.Thickness), DimAliasedPoint[0], DimAliasedPoint[1]));
|
|
glLineWidth(core::clamp(static_cast<GLfloat>(material.Thickness), DimAliasedLine[0], DimAliasedLine[1]));
|
|
}
|
|
}
|
|
|
|
// Anti aliasing
|
|
if (resetAllRenderStates || lastmaterial.AntiAliasing != material.AntiAliasing)
|
|
{
|
|
// if (FeatureAvailable[IRR_ARB_multisample])
|
|
{
|
|
if (material.AntiAliasing & EAAM_ALPHA_TO_COVERAGE)
|
|
glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE);
|
|
else if (lastmaterial.AntiAliasing & EAAM_ALPHA_TO_COVERAGE)
|
|
glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
|
|
|
|
if ((AntiAlias >= 2) && (material.AntiAliasing & (EAAM_SIMPLE|EAAM_QUALITY)))
|
|
glEnable(GL_MULTISAMPLE);
|
|
else
|
|
glDisable(GL_MULTISAMPLE);
|
|
}
|
|
if ((material.AntiAliasing & EAAM_LINE_SMOOTH) != (lastmaterial.AntiAliasing & EAAM_LINE_SMOOTH))
|
|
{
|
|
if (material.AntiAliasing & EAAM_LINE_SMOOTH)
|
|
glEnable(GL_LINE_SMOOTH);
|
|
else if (lastmaterial.AntiAliasing & EAAM_LINE_SMOOTH)
|
|
glDisable(GL_LINE_SMOOTH);
|
|
}
|
|
if ((material.AntiAliasing & EAAM_POINT_SMOOTH) != (lastmaterial.AntiAliasing & EAAM_POINT_SMOOTH))
|
|
{
|
|
if (material.AntiAliasing & EAAM_POINT_SMOOTH)
|
|
// often in software, and thus very slow
|
|
glEnable(GL_POINT_SMOOTH);
|
|
else if (lastmaterial.AntiAliasing & EAAM_POINT_SMOOTH)
|
|
glDisable(GL_POINT_SMOOTH);
|
|
}
|
|
}
|
|
|
|
// Texture parameters
|
|
setTextureRenderStates(material, resetAllRenderStates);
|
|
}
|
|
|
|
//! Compare in SMaterial doesn't check texture parameters, so we should call this on each OnRender call.
|
|
void COGLES1Driver::setTextureRenderStates(const SMaterial& material, bool resetAllRenderstates)
|
|
{
|
|
// Set textures to TU/TIU and apply filters to them
|
|
|
|
for (s32 i = Feature.MaxTextureUnits - 1; i >= 0; --i)
|
|
{
|
|
CacheHandler->getTextureCache().set(i, material.TextureLayers[i].Texture);
|
|
|
|
const COGLES1Texture* tmpTexture = CacheHandler->getTextureCache().get(i);
|
|
|
|
if (!tmpTexture)
|
|
continue;
|
|
|
|
GLenum tmpTextureType = tmpTexture->getOpenGLTextureType();
|
|
|
|
CacheHandler->setActiveTexture(GL_TEXTURE0 + i);
|
|
|
|
{
|
|
const bool isRTT = tmpTexture->isRenderTarget();
|
|
|
|
glMatrixMode(GL_TEXTURE);
|
|
|
|
if (!isRTT && Matrices[ETS_TEXTURE_0 + i].isIdentity())
|
|
glLoadIdentity();
|
|
else
|
|
{
|
|
GLfloat glmat[16];
|
|
if (isRTT)
|
|
getGLTextureMatrix(glmat, Matrices[ETS_TEXTURE_0 + i] * TextureFlipMatrix);
|
|
else
|
|
getGLTextureMatrix(glmat, Matrices[ETS_TEXTURE_0 + i]);
|
|
glLoadMatrixf(glmat);
|
|
}
|
|
}
|
|
|
|
COGLES1Texture::SStatesCache& statesCache = tmpTexture->getStatesCache();
|
|
|
|
if (resetAllRenderstates)
|
|
statesCache.IsCached = false;
|
|
|
|
#ifdef GL_VERSION_2_1
|
|
if (Version >= 210)
|
|
{
|
|
if (!statesCache.IsCached || material.TextureLayers[i].LODBias != statesCache.LODBias)
|
|
{
|
|
if (material.TextureLayers[i].LODBias)
|
|
{
|
|
const float tmp = core::clamp(material.TextureLayers[i].LODBias * 0.125f, -MaxTextureLODBias, MaxTextureLODBias);
|
|
glTexParameterf(tmpTextureType, GL_TEXTURE_LOD_BIAS, tmp);
|
|
}
|
|
else
|
|
glTexParameterf(tmpTextureType, GL_TEXTURE_LOD_BIAS, 0.f);
|
|
|
|
statesCache.LODBias = material.TextureLayers[i].LODBias;
|
|
}
|
|
}
|
|
else if (FeatureAvailable[IRR_EXT_texture_lod_bias])
|
|
{
|
|
if (material.TextureLayers[i].LODBias)
|
|
{
|
|
const float tmp = core::clamp(material.TextureLayers[i].LODBias * 0.125f, -MaxTextureLODBias, MaxTextureLODBias);
|
|
glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, tmp);
|
|
}
|
|
else
|
|
glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0.f);
|
|
}
|
|
#elif defined(GL_EXT_texture_lod_bias)
|
|
if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_EXT_texture_lod_bias])
|
|
{
|
|
if (material.TextureLayers[i].LODBias)
|
|
{
|
|
const float tmp = core::clamp(material.TextureLayers[i].LODBias * 0.125f, -MaxTextureLODBias, MaxTextureLODBias);
|
|
glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, tmp);
|
|
}
|
|
else
|
|
glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0.f);
|
|
}
|
|
#endif
|
|
|
|
if (!statesCache.IsCached || material.TextureLayers[i].MagFilter != statesCache.MagFilter)
|
|
{
|
|
E_TEXTURE_MAG_FILTER magFilter = material.TextureLayers[i].MagFilter;
|
|
glTexParameteri(tmpTextureType, GL_TEXTURE_MAG_FILTER,
|
|
magFilter == ETMAGF_NEAREST ? GL_NEAREST :
|
|
(assert(magFilter == ETMAGF_LINEAR), GL_LINEAR));
|
|
|
|
statesCache.MagFilter = magFilter;
|
|
}
|
|
|
|
if (material.UseMipMaps && tmpTexture->hasMipMaps())
|
|
{
|
|
if (!statesCache.IsCached || material.TextureLayers[i].MinFilter != statesCache.MinFilter ||
|
|
!statesCache.MipMapStatus)
|
|
{
|
|
E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
|
|
glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER,
|
|
minFilter == ETMINF_NEAREST_MIPMAP_NEAREST ? GL_NEAREST_MIPMAP_NEAREST :
|
|
minFilter == ETMINF_LINEAR_MIPMAP_NEAREST ? GL_LINEAR_MIPMAP_NEAREST :
|
|
minFilter == ETMINF_NEAREST_MIPMAP_LINEAR ? GL_NEAREST_MIPMAP_LINEAR :
|
|
(assert(minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR_MIPMAP_LINEAR));
|
|
|
|
statesCache.MinFilter = minFilter;
|
|
statesCache.MipMapStatus = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!statesCache.IsCached || material.TextureLayers[i].MinFilter != statesCache.MinFilter ||
|
|
statesCache.MipMapStatus)
|
|
{
|
|
E_TEXTURE_MIN_FILTER minFilter = material.TextureLayers[i].MinFilter;
|
|
glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER,
|
|
(minFilter == ETMINF_NEAREST_MIPMAP_NEAREST || minFilter == ETMINF_NEAREST_MIPMAP_LINEAR) ? GL_NEAREST :
|
|
(assert(minFilter == ETMINF_LINEAR_MIPMAP_NEAREST || minFilter == ETMINF_LINEAR_MIPMAP_LINEAR), GL_LINEAR));
|
|
|
|
|
|
statesCache.MinFilter = minFilter;
|
|
statesCache.MipMapStatus = false;
|
|
}
|
|
}
|
|
|
|
#ifdef GL_EXT_texture_filter_anisotropic
|
|
if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_EXT_texture_filter_anisotropic] &&
|
|
(!statesCache.IsCached || material.TextureLayers[i].AnisotropicFilter != statesCache.AnisotropicFilter))
|
|
{
|
|
glTexParameteri(tmpTextureType, GL_TEXTURE_MAX_ANISOTROPY_EXT,
|
|
material.TextureLayers[i].AnisotropicFilter>1 ? core::min_(MaxAnisotropy, material.TextureLayers[i].AnisotropicFilter) : 1);
|
|
|
|
statesCache.AnisotropicFilter = material.TextureLayers[i].AnisotropicFilter;
|
|
}
|
|
#endif
|
|
|
|
if (!statesCache.IsCached || material.TextureLayers[i].TextureWrapU != statesCache.WrapU)
|
|
{
|
|
glTexParameteri(tmpTextureType, GL_TEXTURE_WRAP_S, getTextureWrapMode(material.TextureLayers[i].TextureWrapU));
|
|
statesCache.WrapU = material.TextureLayers[i].TextureWrapU;
|
|
}
|
|
|
|
if (!statesCache.IsCached || material.TextureLayers[i].TextureWrapV != statesCache.WrapV)
|
|
{
|
|
glTexParameteri(tmpTextureType, GL_TEXTURE_WRAP_T, getTextureWrapMode(material.TextureLayers[i].TextureWrapV));
|
|
statesCache.WrapV = material.TextureLayers[i].TextureWrapV;
|
|
}
|
|
|
|
statesCache.IsCached = true;
|
|
}
|
|
|
|
// be sure to leave in texture stage 0
|
|
CacheHandler->setActiveTexture(GL_TEXTURE0);
|
|
}
|
|
|
|
|
|
//! sets the needed renderstates
|
|
void COGLES1Driver::setRenderStates2DMode(bool alpha, bool texture, bool alphaChannel)
|
|
{
|
|
if (CurrentRenderMode != ERM_2D || Transformation3DChanged)
|
|
{
|
|
// unset last 3d material
|
|
if (CurrentRenderMode == ERM_3D)
|
|
{
|
|
if (static_cast<u32>(LastMaterial.MaterialType) < MaterialRenderers.size())
|
|
MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial();
|
|
}
|
|
if (Transformation3DChanged)
|
|
{
|
|
glMatrixMode(GL_PROJECTION);
|
|
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
core::matrix4 m(core::matrix4::EM4CONST_NOTHING);
|
|
m.buildProjectionMatrixOrthoLH(f32(renderTargetSize.Width), f32(-(s32)(renderTargetSize.Height)), -1.0f, 1.0f);
|
|
m.setTranslation(core::vector3df(-1, 1, 0));
|
|
glLoadMatrixf(m.pointer());
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
|
|
Transformation3DChanged = false;
|
|
}
|
|
}
|
|
|
|
Material = (OverrideMaterial2DEnabled) ? OverrideMaterial2D : InitMaterial2D;
|
|
Material.Lighting = false;
|
|
Material.TextureLayers[0].Texture = (texture) ? const_cast<COGLES1Texture*>(CacheHandler->getTextureCache().get(0)) : 0;
|
|
setTransform(ETS_TEXTURE_0, core::IdentityMatrix);
|
|
|
|
setBasicRenderStates(Material, LastMaterial, false);
|
|
|
|
LastMaterial = Material;
|
|
CacheHandler->correctCacheMaterial(LastMaterial);
|
|
|
|
// no alphaChannel without texture
|
|
alphaChannel &= texture;
|
|
|
|
if (alphaChannel || alpha)
|
|
{
|
|
CacheHandler->setBlend(true);
|
|
CacheHandler->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
CacheHandler->setBlendEquation(GL_FUNC_ADD);
|
|
glEnable(GL_ALPHA_TEST);
|
|
glAlphaFunc(GL_GREATER, 0.f);
|
|
}
|
|
else
|
|
{
|
|
CacheHandler->setBlend(false);
|
|
glDisable(GL_ALPHA_TEST);
|
|
}
|
|
|
|
if (texture)
|
|
{
|
|
// Due to the transformation change, the previous line would call a reset each frame
|
|
// but we can safely reset the variable as it was false before
|
|
Transformation3DChanged = false;
|
|
|
|
if (alphaChannel)
|
|
{
|
|
// if alpha and alpha texture just modulate, otherwise use only the alpha channel
|
|
if (alpha)
|
|
{
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
}
|
|
else
|
|
{
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_TEXTURE);
|
|
// rgb always modulates
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_MODULATE);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_TEXTURE);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_PRIMARY_COLOR);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (alpha)
|
|
{
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PRIMARY_COLOR);
|
|
// rgb always modulates
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_MODULATE);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_TEXTURE);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_PRIMARY_COLOR);
|
|
}
|
|
else
|
|
{
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
}
|
|
}
|
|
}
|
|
|
|
CurrentRenderMode = ERM_2D;
|
|
}
|
|
|
|
|
|
//! \return Returns the name of the video driver.
|
|
const wchar_t* COGLES1Driver::getName() const
|
|
{
|
|
return Name.c_str();
|
|
}
|
|
|
|
|
|
//! Sets the dynamic ambient light color.
|
|
void COGLES1Driver::setAmbientLight(const SColorf& color)
|
|
{
|
|
CNullDriver::setAmbientLight(color);
|
|
GLfloat data[4] = {color.r, color.g, color.b, color.a};
|
|
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, data);
|
|
}
|
|
|
|
|
|
// this code was sent in by Oliver Klems, thank you
|
|
void COGLES1Driver::setViewPort(const core::rect<s32>& area)
|
|
{
|
|
core::rect<s32> vp = area;
|
|
core::rect<s32> rendert(0, 0, getCurrentRenderTargetSize().Width, getCurrentRenderTargetSize().Height);
|
|
vp.clipAgainst(rendert);
|
|
|
|
if (vp.getHeight() > 0 && vp.getWidth() > 0)
|
|
CacheHandler->setViewport(vp.UpperLeftCorner.X, getCurrentRenderTargetSize().Height - vp.UpperLeftCorner.Y - vp.getHeight(), vp.getWidth(), vp.getHeight());
|
|
|
|
ViewPort = vp;
|
|
}
|
|
|
|
|
|
void COGLES1Driver::setViewPortRaw(u32 width, u32 height)
|
|
{
|
|
CacheHandler->setViewport(0, 0, width, height);
|
|
ViewPort = core::recti(0, 0, width, height);
|
|
}
|
|
|
|
|
|
//! Draws a shadow volume into the stencil buffer.
|
|
void COGLES1Driver::drawStencilShadowVolume(const core::array<core::vector3df>& triangles, bool zfail, u32 debugDataVisible)
|
|
{
|
|
const u32 count=triangles.size();
|
|
if (!StencilBuffer || !count)
|
|
return;
|
|
|
|
u8 colorMask = LastMaterial.ColorMask;
|
|
const GLboolean lightingEnabled = glIsEnabled(GL_LIGHTING);
|
|
const GLboolean fogEnabled = glIsEnabled(GL_FOG);
|
|
const GLboolean cullFaceEnabled = glIsEnabled(GL_CULL_FACE);
|
|
|
|
GLint cullFaceMode = 0;
|
|
glGetIntegerv(GL_CULL_FACE_MODE, &cullFaceMode);
|
|
GLint depthFunc = 0;
|
|
glGetIntegerv(GL_DEPTH_FUNC, &depthFunc);
|
|
GLboolean depthMask = 0;
|
|
glGetBooleanv(GL_DEPTH_WRITEMASK, &depthMask);
|
|
|
|
glDisable(GL_LIGHTING);
|
|
glDisable(GL_FOG);
|
|
glDepthFunc(GL_LEQUAL);
|
|
glDepthMask(GL_FALSE);
|
|
|
|
if (!(debugDataVisible & (scene::EDS_SKELETON|scene::EDS_MESH_WIRE_OVERLAY)))
|
|
{
|
|
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
|
|
glEnable(GL_STENCIL_TEST);
|
|
}
|
|
|
|
glEnableClientState(GL_VERTEX_ARRAY);
|
|
glVertexPointer(3, GL_FLOAT, sizeof(core::vector3df), triangles.const_pointer());
|
|
|
|
glStencilMask(~0);
|
|
glStencilFunc(GL_ALWAYS, 0, ~0);
|
|
|
|
GLenum decr = GL_DECR;
|
|
GLenum incr = GL_INCR;
|
|
|
|
#if defined(GL_OES_stencil_wrap)
|
|
if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_stencil_wrap])
|
|
{
|
|
decr = GL_DECR_WRAP_OES;
|
|
incr = GL_INCR_WRAP_OES;
|
|
}
|
|
#endif
|
|
|
|
glEnable(GL_CULL_FACE);
|
|
|
|
if (zfail)
|
|
{
|
|
glCullFace(GL_FRONT);
|
|
glStencilOp(GL_KEEP, incr, GL_KEEP);
|
|
glDrawArrays(GL_TRIANGLES, 0, count);
|
|
|
|
glCullFace(GL_BACK);
|
|
glStencilOp(GL_KEEP, decr, GL_KEEP);
|
|
glDrawArrays(GL_TRIANGLES, 0, count);
|
|
}
|
|
else // zpass
|
|
{
|
|
glCullFace(GL_BACK);
|
|
glStencilOp(GL_KEEP, GL_KEEP, incr);
|
|
glDrawArrays(GL_TRIANGLES, 0, count);
|
|
|
|
glCullFace(GL_FRONT);
|
|
glStencilOp(GL_KEEP, GL_KEEP, decr);
|
|
glDrawArrays(GL_TRIANGLES, 0, count);
|
|
}
|
|
|
|
glDisableClientState(GL_VERTEX_ARRAY);
|
|
|
|
glColorMask((colorMask & ECP_RED)?GL_TRUE:GL_FALSE,
|
|
(colorMask & ECP_GREEN)?GL_TRUE:GL_FALSE,
|
|
(colorMask & ECP_BLUE)?GL_TRUE:GL_FALSE,
|
|
(colorMask & ECP_ALPHA)?GL_TRUE:GL_FALSE);
|
|
|
|
glDisable(GL_STENCIL_TEST);
|
|
|
|
if (lightingEnabled)
|
|
glEnable(GL_LIGHTING);
|
|
|
|
if (fogEnabled)
|
|
glEnable(GL_FOG);
|
|
|
|
if (cullFaceEnabled)
|
|
glEnable(GL_CULL_FACE);
|
|
else
|
|
glDisable(GL_CULL_FACE);
|
|
|
|
glCullFace(cullFaceMode);
|
|
glDepthFunc(depthFunc);
|
|
glDepthMask(depthMask);
|
|
}
|
|
|
|
|
|
void COGLES1Driver::drawStencilShadow(bool clearStencilBuffer,
|
|
video::SColor leftUpEdge, video::SColor rightUpEdge,
|
|
video::SColor leftDownEdge, video::SColor rightDownEdge)
|
|
{
|
|
if (!StencilBuffer)
|
|
return;
|
|
|
|
setTextureRenderStates(SMaterial(), false);
|
|
|
|
u8 colorMask = LastMaterial.ColorMask;
|
|
const GLboolean lightingEnabled = glIsEnabled(GL_LIGHTING);
|
|
const GLboolean fogEnabled = glIsEnabled(GL_FOG);
|
|
const GLboolean blendEnabled = glIsEnabled(GL_BLEND);
|
|
|
|
GLboolean depthMask = 0;
|
|
glGetBooleanv(GL_DEPTH_WRITEMASK, &depthMask);
|
|
GLint shadeModel = 0;
|
|
glGetIntegerv(GL_SHADE_MODEL, &shadeModel);
|
|
GLint blendSrc = 0, blendDst = 0;
|
|
glGetIntegerv(GL_BLEND_SRC, &blendSrc);
|
|
glGetIntegerv(GL_BLEND_DST, &blendDst);
|
|
|
|
glDisable(GL_LIGHTING);
|
|
glDisable(GL_FOG);
|
|
glDepthMask(GL_FALSE);
|
|
|
|
glShadeModel(GL_FLAT);
|
|
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
|
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
glEnable(GL_STENCIL_TEST);
|
|
glStencilFunc(GL_NOTEQUAL, 0, ~0);
|
|
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
|
|
u16 indices[] = {0, 1, 2, 3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex(-1.f, 1.f, 0.9f, 0, 0, 1, leftDownEdge, 0, 0);
|
|
vertices[1] = S3DVertex(1.f, 1.f, 0.9f, 0, 0, 1, leftUpEdge, 0, 0);
|
|
vertices[2] = S3DVertex(1.f, -1.f, 0.9f, 0, 0, 1, rightUpEdge, 0, 0);
|
|
vertices[3] = S3DVertex(-1.f, -1.f, 0.9f, 0, 0, 1, rightDownEdge, 0, 0);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
|
|
if (clearStencilBuffer)
|
|
glClear(GL_STENCIL_BUFFER_BIT);
|
|
|
|
glColorMask((colorMask & ECP_RED)?GL_TRUE:GL_FALSE,
|
|
(colorMask & ECP_GREEN)?GL_TRUE:GL_FALSE,
|
|
(colorMask & ECP_BLUE)?GL_TRUE:GL_FALSE,
|
|
(colorMask & ECP_ALPHA)?GL_TRUE:GL_FALSE);
|
|
|
|
glDisable(GL_STENCIL_TEST);
|
|
|
|
glPopMatrix();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPopMatrix();
|
|
|
|
if (lightingEnabled)
|
|
glEnable(GL_LIGHTING);
|
|
|
|
if (fogEnabled)
|
|
glEnable(GL_FOG);
|
|
|
|
if (!blendEnabled)
|
|
glDisable(GL_BLEND);
|
|
|
|
glDepthMask(depthMask);
|
|
glShadeModel(shadeModel);
|
|
glBlendFunc(blendSrc, blendDst);
|
|
}
|
|
|
|
|
|
//! Sets the fog mode.
|
|
void COGLES1Driver::setFog(SColor c, E_FOG_TYPE fogType, f32 start,
|
|
f32 end, f32 density, bool pixelFog, bool rangeFog)
|
|
{
|
|
CNullDriver::setFog(c, fogType, start, end, density, pixelFog, rangeFog);
|
|
|
|
glFogf(GL_FOG_MODE, GLfloat((fogType==EFT_FOG_LINEAR)? GL_LINEAR : (fogType==EFT_FOG_EXP)?GL_EXP:GL_EXP2));
|
|
|
|
#ifdef GL_EXT_fog_coord
|
|
if (FeatureAvailable[IRR_EXT_fog_coord])
|
|
glFogi(GL_FOG_COORDINATE_SOURCE, GL_FRAGMENT_DEPTH);
|
|
#endif
|
|
|
|
if (fogType==EFT_FOG_LINEAR)
|
|
{
|
|
glFogf(GL_FOG_START, start);
|
|
glFogf(GL_FOG_END, end);
|
|
}
|
|
else
|
|
glFogf(GL_FOG_DENSITY, density);
|
|
|
|
if (pixelFog)
|
|
glHint(GL_FOG_HINT, GL_NICEST);
|
|
else
|
|
glHint(GL_FOG_HINT, GL_FASTEST);
|
|
|
|
SColorf color(c);
|
|
GLfloat data[4] = {color.r, color.g, color.b, color.a};
|
|
glFogfv(GL_FOG_COLOR, data);
|
|
}
|
|
|
|
|
|
//! Draws a 3d line.
|
|
void COGLES1Driver::draw3DLine(const core::vector3df& start,
|
|
const core::vector3df& end, SColor color)
|
|
{
|
|
setRenderStates3DMode();
|
|
|
|
u16 indices[] = {0,1};
|
|
S3DVertex vertices[2];
|
|
vertices[0] = S3DVertex(start.X,start.Y,start.Z, 0,0,1, color, 0,0);
|
|
vertices[1] = S3DVertex(end.X,end.Y,end.Z, 0,0,1, color, 0,0);
|
|
drawVertexPrimitiveList2d3d(vertices, 2, indices, 1, video::EVT_STANDARD, scene::EPT_LINES);
|
|
}
|
|
|
|
|
|
//! Only used by the internal engine. Used to notify the driver that
|
|
//! the window was resized.
|
|
void COGLES1Driver::OnResize(const core::dimension2d<u32>& size)
|
|
{
|
|
CNullDriver::OnResize(size);
|
|
CacheHandler->setViewport(0, 0, size.Width, size.Height);
|
|
Transformation3DChanged = true;
|
|
}
|
|
|
|
|
|
//! Returns type of video driver
|
|
E_DRIVER_TYPE COGLES1Driver::getDriverType() const
|
|
{
|
|
return EDT_OGLES1;
|
|
}
|
|
|
|
|
|
//! returns color format
|
|
ECOLOR_FORMAT COGLES1Driver::getColorFormat() const
|
|
{
|
|
return ColorFormat;
|
|
}
|
|
|
|
|
|
//! Get a vertex shader constant index.
|
|
s32 COGLES1Driver::getVertexShaderConstantID(const c8* name)
|
|
{
|
|
return getPixelShaderConstantID(name);
|
|
}
|
|
|
|
//! Get a pixel shader constant index.
|
|
s32 COGLES1Driver::getPixelShaderConstantID(const c8* name)
|
|
{
|
|
os::Printer::log("Error: Please use IMaterialRendererServices from IShaderConstantSetCallBack::OnSetConstants not VideoDriver->getPixelShaderConstantID().");
|
|
return -1;
|
|
}
|
|
|
|
//! Sets a constant for the vertex shader based on an index.
|
|
bool COGLES1Driver::setVertexShaderConstant(s32 index, const f32* floats, int count)
|
|
{
|
|
//pass this along, as in GLSL the same routine is used for both vertex and fragment shaders
|
|
return setPixelShaderConstant(index, floats, count);
|
|
}
|
|
|
|
//! Int interface for the above.
|
|
bool COGLES1Driver::setVertexShaderConstant(s32 index, const s32* ints, int count)
|
|
{
|
|
return setPixelShaderConstant(index, ints, count);
|
|
}
|
|
|
|
bool COGLES1Driver::setVertexShaderConstant(s32 index, const u32* ints, int count)
|
|
{
|
|
return setPixelShaderConstant(index, ints, count);
|
|
}
|
|
|
|
//! Sets a constant for the pixel shader based on an index.
|
|
bool COGLES1Driver::setPixelShaderConstant(s32 index, const f32* floats, int count)
|
|
{
|
|
os::Printer::log("Error: Please use IMaterialRendererServices from IShaderConstantSetCallBack::OnSetConstants not VideoDriver->setPixelShaderConstant().");
|
|
return false;
|
|
}
|
|
|
|
//! Int interface for the above.
|
|
bool COGLES1Driver::setPixelShaderConstant(s32 index, const s32* ints, int count)
|
|
{
|
|
os::Printer::log("Error: Please use IMaterialRendererServices from IShaderConstantSetCallBack::OnSetConstants not VideoDriver->setPixelShaderConstant().");
|
|
return false;
|
|
}
|
|
|
|
bool COGLES1Driver::setPixelShaderConstant(s32 index, const u32* ints, int count)
|
|
{
|
|
os::Printer::log("Error: Please use IMaterialRendererServices from IShaderConstantSetCallBack::OnSetConstants not VideoDriver->setPixelShaderConstant().");
|
|
return false;
|
|
}
|
|
|
|
//! Sets a vertex shader constant.
|
|
void COGLES1Driver::setVertexShaderConstant(const f32* data, s32 startRegister, s32 constantAmount)
|
|
{
|
|
#ifdef GL_vertex_program
|
|
for (s32 i=0; i<constantAmount; ++i)
|
|
extGlProgramLocalParameter4fv(GL_VERTEX_PROGRAM, startRegister+i, &data[i*4]);
|
|
#endif
|
|
}
|
|
|
|
//! Sets a pixel shader constant.
|
|
void COGLES1Driver::setPixelShaderConstant(const f32* data, s32 startRegister, s32 constantAmount)
|
|
{
|
|
#ifdef GL_fragment_program
|
|
for (s32 i=0; i<constantAmount; ++i)
|
|
extGlProgramLocalParameter4fv(GL_FRAGMENT_PROGRAM, startRegister+i, &data[i*4]);
|
|
#endif
|
|
}
|
|
|
|
|
|
//! Adds a new material renderer to the VideoDriver, using pixel and/or
|
|
//! vertex shaders to render geometry.
|
|
s32 COGLES1Driver::addShaderMaterial(const c8* vertexShaderProgram,
|
|
const c8* pixelShaderProgram,
|
|
IShaderConstantSetCallBack* callback,
|
|
E_MATERIAL_TYPE baseMaterial, s32 userData)
|
|
{
|
|
os::Printer::log("No shader support.");
|
|
return -1;
|
|
}
|
|
|
|
|
|
//! Adds a new material renderer to the VideoDriver, using GLSL to render geometry.
|
|
s32 COGLES1Driver::addHighLevelShaderMaterial(
|
|
const c8* vertexShaderProgram,
|
|
const c8* vertexShaderEntryPointName,
|
|
E_VERTEX_SHADER_TYPE vsCompileTarget,
|
|
const c8* pixelShaderProgram,
|
|
const c8* pixelShaderEntryPointName,
|
|
E_PIXEL_SHADER_TYPE psCompileTarget,
|
|
const c8* geometryShaderProgram,
|
|
const c8* geometryShaderEntryPointName,
|
|
E_GEOMETRY_SHADER_TYPE gsCompileTarget,
|
|
scene::E_PRIMITIVE_TYPE inType,
|
|
scene::E_PRIMITIVE_TYPE outType,
|
|
u32 verticesOut,
|
|
IShaderConstantSetCallBack* callback,
|
|
E_MATERIAL_TYPE baseMaterial,
|
|
s32 userData)
|
|
{
|
|
os::Printer::log("No shader support.");
|
|
return -1;
|
|
}
|
|
|
|
//! Returns a pointer to the IVideoDriver interface. (Implementation for
|
|
//! IMaterialRendererServices)
|
|
IVideoDriver* COGLES1Driver::getVideoDriver()
|
|
{
|
|
return this;
|
|
}
|
|
|
|
|
|
//! Returns pointer to the IGPUProgrammingServices interface.
|
|
IGPUProgrammingServices* COGLES1Driver::getGPUProgrammingServices()
|
|
{
|
|
return this;
|
|
}
|
|
|
|
|
|
ITexture* COGLES1Driver::addRenderTargetTexture(const core::dimension2d<u32>& size,
|
|
const io::path& name, const ECOLOR_FORMAT format)
|
|
{
|
|
//disable mip-mapping
|
|
bool generateMipLevels = getTextureCreationFlag(ETCF_CREATE_MIP_MAPS);
|
|
setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false);
|
|
|
|
bool supportForFBO = (Feature.ColorAttachment > 0);
|
|
|
|
core::dimension2du destSize(size);
|
|
|
|
if (!supportForFBO)
|
|
{
|
|
destSize = core::dimension2d<u32>(core::min_(size.Width, ScreenSize.Width), core::min_(size.Height, ScreenSize.Height));
|
|
destSize = destSize.getOptimalSize((size == size.getOptimalSize()), false, false);
|
|
}
|
|
|
|
COGLES1Texture* renderTargetTexture = new COGLES1Texture(name, destSize, ETT_2D, format, this);
|
|
addTexture(renderTargetTexture);
|
|
renderTargetTexture->drop();
|
|
|
|
//restore mip-mapping
|
|
setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, generateMipLevels);
|
|
|
|
return renderTargetTexture;
|
|
}
|
|
|
|
ITexture* COGLES1Driver::addRenderTargetTextureCubemap(const irr::u32 sideLen, const io::path& name, const ECOLOR_FORMAT format)
|
|
{
|
|
//disable mip-mapping
|
|
bool generateMipLevels = getTextureCreationFlag(ETCF_CREATE_MIP_MAPS);
|
|
setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false);
|
|
|
|
bool supportForFBO = (Feature.ColorAttachment > 0);
|
|
|
|
const core::dimension2d<u32> size(sideLen, sideLen);
|
|
core::dimension2du destSize(size);
|
|
|
|
if (!supportForFBO)
|
|
{
|
|
destSize = core::dimension2d<u32>(core::min_(size.Width, ScreenSize.Width), core::min_(size.Height, ScreenSize.Height));
|
|
destSize = destSize.getOptimalSize((size == size.getOptimalSize()), false, false);
|
|
}
|
|
|
|
COGLES1Texture* renderTargetTexture = new COGLES1Texture(name, destSize, ETT_CUBEMAP, format, this);
|
|
addTexture(renderTargetTexture);
|
|
renderTargetTexture->drop();
|
|
|
|
//restore mip-mapping
|
|
setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, generateMipLevels);
|
|
|
|
return renderTargetTexture;
|
|
}
|
|
|
|
//! Returns the maximum amount of primitives
|
|
u32 COGLES1Driver::getMaximalPrimitiveCount() const
|
|
{
|
|
return 65535;
|
|
}
|
|
|
|
bool COGLES1Driver::setRenderTargetEx(IRenderTarget* target, u16 clearFlag, SColor clearColor, f32 clearDepth, u8 clearStencil)
|
|
{
|
|
if (target && target->getDriverType() != EDT_OGLES1)
|
|
{
|
|
os::Printer::log("Fatal Error: Tried to set a render target not owned by OpenGL driver.", ELL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
bool supportForFBO = (Feature.ColorAttachment > 0);
|
|
|
|
core::dimension2d<u32> destRenderTargetSize(0, 0);
|
|
|
|
if (target)
|
|
{
|
|
COGLES1RenderTarget* renderTarget = static_cast<COGLES1RenderTarget*>(target);
|
|
|
|
if (supportForFBO)
|
|
{
|
|
CacheHandler->setFBO(renderTarget->getBufferID());
|
|
renderTarget->update();
|
|
}
|
|
|
|
destRenderTargetSize = renderTarget->getSize();
|
|
|
|
setViewPortRaw(destRenderTargetSize.Width, destRenderTargetSize.Height);
|
|
}
|
|
else
|
|
{
|
|
if (supportForFBO)
|
|
CacheHandler->setFBO(0);
|
|
else
|
|
{
|
|
COGLES1RenderTarget* prevRenderTarget = static_cast<COGLES1RenderTarget*>(CurrentRenderTarget);
|
|
COGLES1Texture* renderTargetTexture = static_cast<COGLES1Texture*>(prevRenderTarget->getTexture());
|
|
|
|
if (renderTargetTexture)
|
|
{
|
|
const COGLES1Texture* prevTexture = CacheHandler->getTextureCache().get(0);
|
|
|
|
CacheHandler->getTextureCache().set(0, renderTargetTexture);
|
|
|
|
const core::dimension2d<u32> size = renderTargetTexture->getSize();
|
|
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, size.Width, size.Height);
|
|
|
|
CacheHandler->getTextureCache().set(0, prevTexture);
|
|
}
|
|
}
|
|
|
|
destRenderTargetSize = core::dimension2d<u32>(0, 0);
|
|
|
|
setViewPortRaw(ScreenSize.Width, ScreenSize.Height);
|
|
}
|
|
|
|
if (CurrentRenderTargetSize != destRenderTargetSize)
|
|
{
|
|
CurrentRenderTargetSize = destRenderTargetSize;
|
|
|
|
Transformation3DChanged = true;
|
|
}
|
|
|
|
CurrentRenderTarget = target;
|
|
|
|
if (!supportForFBO)
|
|
{
|
|
clearFlag |= ECBF_COLOR;
|
|
clearFlag |= ECBF_DEPTH;
|
|
}
|
|
|
|
clearBuffers(clearFlag, clearColor, clearDepth, clearStencil);
|
|
|
|
return true;
|
|
}
|
|
|
|
void COGLES1Driver::clearBuffers(u16 flag, SColor color, f32 depth, u8 stencil)
|
|
{
|
|
GLbitfield mask = 0;
|
|
|
|
if (flag & ECBF_COLOR)
|
|
{
|
|
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
|
|
|
const f32 inv = 1.0f / 255.0f;
|
|
glClearColor(color.getRed() * inv, color.getGreen() * inv,
|
|
color.getBlue() * inv, color.getAlpha() * inv);
|
|
|
|
mask |= GL_COLOR_BUFFER_BIT;
|
|
}
|
|
|
|
if (flag & ECBF_DEPTH)
|
|
{
|
|
glDepthMask(GL_TRUE);
|
|
glClearDepthf(depth);
|
|
mask |= GL_DEPTH_BUFFER_BIT;
|
|
}
|
|
|
|
if (flag & ECBF_STENCIL)
|
|
{
|
|
glClearStencil(stencil);
|
|
mask |= GL_STENCIL_BUFFER_BIT;
|
|
}
|
|
|
|
if (mask)
|
|
glClear(mask);
|
|
}
|
|
|
|
|
|
//! Returns an image created from the last rendered frame.
|
|
// We want to read the front buffer to get the latest render finished.
|
|
// This is not possible under ogl-es, though, so one has to call this method
|
|
// outside of the render loop only.
|
|
IImage* COGLES1Driver::createScreenShot(video::ECOLOR_FORMAT format, video::E_RENDER_TARGET target)
|
|
{
|
|
if (target==video::ERT_MULTI_RENDER_TEXTURES || target==video::ERT_RENDER_TEXTURE || target==video::ERT_STEREO_BOTH_BUFFERS)
|
|
return 0;
|
|
GLint internalformat=GL_RGBA;
|
|
GLint type=GL_UNSIGNED_BYTE;
|
|
if (false
|
|
&& (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_IMG_read_format]
|
|
|| FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_read_format]
|
|
|| FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_EXT_read_format_bgra]))
|
|
{
|
|
#ifdef GL_IMPLEMENTATION_COLOR_READ_TYPE_OES
|
|
glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, &internalformat);
|
|
glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE_OES, &type);
|
|
#endif
|
|
// there are formats we don't support ATM
|
|
if (GL_UNSIGNED_SHORT_4_4_4_4==type)
|
|
type=GL_UNSIGNED_SHORT_5_5_5_1;
|
|
#ifdef GL_EXT_read_format_bgra
|
|
else if (GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT==type)
|
|
type=GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT;
|
|
#endif
|
|
}
|
|
|
|
IImage* newImage = 0;
|
|
if ((GL_RGBA==internalformat)
|
|
#ifdef GL_EXT_read_format_bgra
|
|
|| (GL_BGRA_EXT==internalformat)
|
|
#endif
|
|
)
|
|
{
|
|
if (GL_UNSIGNED_BYTE==type)
|
|
newImage = new CImage(ECF_A8R8G8B8, ScreenSize);
|
|
else
|
|
newImage = new CImage(ECF_A1R5G5B5, ScreenSize);
|
|
}
|
|
else
|
|
{
|
|
if (GL_UNSIGNED_BYTE==type)
|
|
newImage = new CImage(ECF_R8G8B8, ScreenSize);
|
|
else
|
|
newImage = new CImage(ECF_R5G6B5, ScreenSize);
|
|
}
|
|
|
|
u8* pixels = static_cast<u8*>(newImage->getData());
|
|
if (!pixels)
|
|
{
|
|
newImage->drop();
|
|
return 0;
|
|
}
|
|
|
|
glReadPixels(0, 0, ScreenSize.Width, ScreenSize.Height, internalformat, type, pixels);
|
|
|
|
// opengl images are horizontally flipped, so we have to fix that here.
|
|
const s32 pitch=newImage->getPitch();
|
|
u8* p2 = pixels + (ScreenSize.Height - 1) * pitch;
|
|
u8* tmpBuffer = new u8[pitch];
|
|
for (u32 i=0; i < ScreenSize.Height; i += 2)
|
|
{
|
|
memcpy(tmpBuffer, pixels, pitch);
|
|
memcpy(pixels, p2, pitch);
|
|
memcpy(p2, tmpBuffer, pitch);
|
|
pixels += pitch;
|
|
p2 -= pitch;
|
|
}
|
|
delete [] tmpBuffer;
|
|
|
|
if (testGLError(__LINE__))
|
|
{
|
|
newImage->drop();
|
|
return 0;
|
|
}
|
|
|
|
return newImage;
|
|
}
|
|
|
|
void COGLES1Driver::removeTexture(ITexture* texture)
|
|
{
|
|
CacheHandler->getTextureCache().remove(texture);
|
|
CNullDriver::removeTexture(texture);
|
|
}
|
|
|
|
|
|
//! Set/unset a clipping plane.
|
|
bool COGLES1Driver::setClipPlane(u32 index, const core::plane3df& plane, bool enable)
|
|
{
|
|
if (index >= MaxUserClipPlanes)
|
|
return false;
|
|
|
|
UserClipPlane[index]=plane;
|
|
enableClipPlane(index, enable);
|
|
return true;
|
|
}
|
|
|
|
|
|
void COGLES1Driver::uploadClipPlane(u32 index)
|
|
{
|
|
// opengl needs an array of doubles for the plane equation
|
|
float clip_plane[4];
|
|
clip_plane[0] = UserClipPlane[index].Normal.X;
|
|
clip_plane[1] = UserClipPlane[index].Normal.Y;
|
|
clip_plane[2] = UserClipPlane[index].Normal.Z;
|
|
clip_plane[3] = UserClipPlane[index].D;
|
|
glClipPlanef(GL_CLIP_PLANE0 + index, clip_plane);
|
|
}
|
|
|
|
|
|
//! Enable/disable a clipping plane.
|
|
void COGLES1Driver::enableClipPlane(u32 index, bool enable)
|
|
{
|
|
if (index >= MaxUserClipPlanes)
|
|
return;
|
|
if (enable)
|
|
{
|
|
if (!UserClipPlaneEnabled[index])
|
|
{
|
|
uploadClipPlane(index);
|
|
glEnable(GL_CLIP_PLANE0 + index);
|
|
}
|
|
}
|
|
else
|
|
glDisable(GL_CLIP_PLANE0 + index);
|
|
|
|
UserClipPlaneEnabled[index]=enable;
|
|
}
|
|
|
|
|
|
core::dimension2du COGLES1Driver::getMaxTextureSize() const
|
|
{
|
|
return core::dimension2du(MaxTextureSize, MaxTextureSize);
|
|
}
|
|
|
|
|
|
GLenum COGLES1Driver::getGLBlend(E_BLEND_FACTOR factor) const
|
|
{
|
|
static GLenum const blendTable[] =
|
|
{
|
|
GL_ZERO,
|
|
GL_ONE,
|
|
GL_DST_COLOR,
|
|
GL_ONE_MINUS_DST_COLOR,
|
|
GL_SRC_COLOR,
|
|
GL_ONE_MINUS_SRC_COLOR,
|
|
GL_SRC_ALPHA,
|
|
GL_ONE_MINUS_SRC_ALPHA,
|
|
GL_DST_ALPHA,
|
|
GL_ONE_MINUS_DST_ALPHA,
|
|
GL_SRC_ALPHA_SATURATE
|
|
};
|
|
|
|
return blendTable[factor];
|
|
}
|
|
|
|
GLenum COGLES1Driver::getZBufferBits() const
|
|
{
|
|
GLenum bits = 0;
|
|
|
|
switch (Params.ZBufferBits)
|
|
{
|
|
case 24:
|
|
#if defined(GL_OES_depth24)
|
|
if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_depth24))
|
|
bits = GL_DEPTH_COMPONENT24_OES;
|
|
else
|
|
#endif
|
|
bits = GL_DEPTH_COMPONENT16;
|
|
break;
|
|
case 32:
|
|
#if defined(GL_OES_depth32)
|
|
if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_depth32))
|
|
bits = GL_DEPTH_COMPONENT32_OES;
|
|
else
|
|
#endif
|
|
bits = GL_DEPTH_COMPONENT16;
|
|
break;
|
|
default:
|
|
bits = GL_DEPTH_COMPONENT16;
|
|
break;
|
|
}
|
|
|
|
return bits;
|
|
}
|
|
|
|
bool COGLES1Driver::getColorFormatParameters(ECOLOR_FORMAT format, GLint& internalFormat, GLenum& pixelFormat,
|
|
GLenum& pixelType, void(**converter)(const void*, s32, void*)) const
|
|
{
|
|
bool supported = false;
|
|
internalFormat = GL_RGBA;
|
|
pixelFormat = GL_RGBA;
|
|
pixelType = GL_UNSIGNED_BYTE;
|
|
*converter = 0;
|
|
|
|
switch (format)
|
|
{
|
|
case ECF_A1R5G5B5:
|
|
supported = true;
|
|
internalFormat = GL_RGBA;
|
|
pixelFormat = GL_RGBA;
|
|
pixelType = GL_UNSIGNED_SHORT_5_5_5_1;
|
|
*converter = CColorConverter::convert_A1R5G5B5toR5G5B5A1;
|
|
break;
|
|
case ECF_R5G6B5:
|
|
supported = true;
|
|
internalFormat = GL_RGB;
|
|
pixelFormat = GL_RGB;
|
|
pixelType = GL_UNSIGNED_SHORT_5_6_5;
|
|
break;
|
|
case ECF_R8G8B8:
|
|
supported = true;
|
|
internalFormat = GL_RGB;
|
|
pixelFormat = GL_RGB;
|
|
pixelType = GL_UNSIGNED_BYTE;
|
|
break;
|
|
case ECF_A8R8G8B8:
|
|
supported = true;
|
|
if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_IMG_texture_format_BGRA8888) ||
|
|
queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_format_BGRA8888) ||
|
|
queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_APPLE_texture_format_BGRA8888))
|
|
{
|
|
internalFormat = GL_BGRA;
|
|
pixelFormat = GL_BGRA;
|
|
}
|
|
else
|
|
{
|
|
internalFormat = GL_RGBA;
|
|
pixelFormat = GL_RGBA;
|
|
*converter = CColorConverter::convert_A8R8G8B8toA8B8G8R8;
|
|
}
|
|
pixelType = GL_UNSIGNED_BYTE;
|
|
break;
|
|
case ECF_D16:
|
|
supported = true;
|
|
internalFormat = GL_DEPTH_COMPONENT16;
|
|
pixelFormat = GL_DEPTH_COMPONENT;
|
|
pixelType = GL_UNSIGNED_SHORT;
|
|
break;
|
|
case ECF_D32:
|
|
#if defined(GL_OES_depth32)
|
|
if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_depth32))
|
|
{
|
|
supported = true;
|
|
internalFormat = GL_DEPTH_COMPONENT32_OES;
|
|
pixelFormat = GL_DEPTH_COMPONENT;
|
|
pixelType = GL_UNSIGNED_INT;
|
|
}
|
|
#endif
|
|
break;
|
|
case ECF_D24S8:
|
|
#ifdef GL_OES_packed_depth_stencil
|
|
if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_packed_depth_stencil))
|
|
{
|
|
supported = true;
|
|
internalFormat = GL_DEPTH24_STENCIL8_OES;
|
|
pixelFormat = GL_DEPTH_STENCIL_OES;
|
|
pixelType = GL_UNSIGNED_INT_24_8_OES;
|
|
}
|
|
#endif
|
|
break;
|
|
case ECF_R8:
|
|
break;
|
|
case ECF_R8G8:
|
|
break;
|
|
case ECF_R16:
|
|
break;
|
|
case ECF_R16G16:
|
|
break;
|
|
case ECF_R16F:
|
|
break;
|
|
case ECF_G16R16F:
|
|
break;
|
|
case ECF_A16B16G16R16F:
|
|
break;
|
|
case ECF_R32F:
|
|
break;
|
|
case ECF_G32R32F:
|
|
break;
|
|
case ECF_A32B32G32R32F:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
#ifdef _IRR_IOS_PLATFORM_
|
|
if (internalFormat == GL_BGRA)
|
|
internalFormat = GL_RGBA;
|
|
#endif
|
|
|
|
return supported;
|
|
}
|
|
|
|
bool COGLES1Driver::queryTextureFormat(ECOLOR_FORMAT format) const
|
|
{
|
|
GLint dummyInternalFormat;
|
|
GLenum dummyPixelFormat;
|
|
GLenum dummyPixelType;
|
|
void (*dummyConverter)(const void*, s32, void*);
|
|
return getColorFormatParameters(format, dummyInternalFormat, dummyPixelFormat, dummyPixelType, &dummyConverter);
|
|
}
|
|
|
|
bool COGLES1Driver::needsTransparentRenderPass(const irr::video::SMaterial& material) const
|
|
{
|
|
return CNullDriver::needsTransparentRenderPass(material) || material.isAlphaBlendOperation();
|
|
}
|
|
|
|
COGLES1CacheHandler* COGLES1Driver::getCacheHandler() const
|
|
{
|
|
return CacheHandler;
|
|
}
|
|
|
|
} // end namespace
|
|
} // end namespace
|
|
|
|
#endif // _IRR_COMPILE_WITH_OGLES1_
|
|
|
|
namespace irr
|
|
{
|
|
namespace video
|
|
{
|
|
|
|
#ifndef _IRR_COMPILE_WITH_OGLES1_
|
|
class IVideoDriver;
|
|
class IContextManager;
|
|
#endif
|
|
|
|
IVideoDriver* createOGLES1Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)
|
|
{
|
|
#ifdef _IRR_COMPILE_WITH_OGLES1_
|
|
return new COGLES1Driver(params, io, contextManager);
|
|
#else
|
|
return 0;
|
|
#endif // _IRR_COMPILE_WITH_OGLES1_
|
|
}
|
|
|
|
} // end namespace
|
|
} // end namespace
|