Import irrlicht 1.8.4 release
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Loic Blot
332
source/Irrlicht/CD3D8ShaderMaterialRenderer.cpp
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332
source/Irrlicht/CD3D8ShaderMaterialRenderer.cpp
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// Copyright (C) 2002-2012 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 "CD3D8ShaderMaterialRenderer.h"
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_DIRECT3D_8_
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#include <d3d8.h>
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#include <d3dx8core.h>
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#pragma comment (lib, "d3dx8.lib")
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#include "IShaderConstantSetCallBack.h"
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#include "IMaterialRendererServices.h"
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#include "IVideoDriver.h"
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#include "os.h"
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#ifndef _IRR_D3D_NO_SHADER_DEBUGGING
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#include <stdio.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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//! Public constructor
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CD3D8ShaderMaterialRenderer::CD3D8ShaderMaterialRenderer(IDirect3DDevice8* d3ddev, video::IVideoDriver* driver,
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s32& outMaterialTypeNr, const c8* vertexShaderProgram, const c8* pixelShaderProgram,
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IShaderConstantSetCallBack* callback, IMaterialRenderer* baseMaterial, s32 userData)
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: pID3DDevice(d3ddev), Driver(driver), CallBack(callback), BaseMaterial(baseMaterial),
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VertexShader(0), OldVertexShader(0), PixelShader(0), UserData(userData)
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{
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#ifdef _DEBUG
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setDebugName("CD3D8ShaderMaterialRenderer");
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#endif
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if (BaseMaterial)
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BaseMaterial->grab();
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if (CallBack)
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CallBack->grab();
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init(outMaterialTypeNr, vertexShaderProgram, pixelShaderProgram, EVT_STANDARD);
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}
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//! constructor only for use by derived classes who want to
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//! create a fall back material for example.
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CD3D8ShaderMaterialRenderer::CD3D8ShaderMaterialRenderer(IDirect3DDevice8* d3ddev,
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video::IVideoDriver* driver,
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IShaderConstantSetCallBack* callback,
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IMaterialRenderer* baseMaterial,
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s32 userData)
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: pID3DDevice(d3ddev), Driver(driver), BaseMaterial(baseMaterial), CallBack(callback),
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VertexShader(0), PixelShader(0), UserData(userData)
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{
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if (BaseMaterial)
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BaseMaterial->grab();
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if (CallBack)
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CallBack->grab();
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}
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//! Destructor
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CD3D8ShaderMaterialRenderer::~CD3D8ShaderMaterialRenderer()
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{
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if (CallBack)
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CallBack->drop();
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if (VertexShader)
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pID3DDevice->DeleteVertexShader(VertexShader);
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if (PixelShader)
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pID3DDevice->DeletePixelShader(PixelShader);
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if (BaseMaterial)
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BaseMaterial->drop ();
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}
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void CD3D8ShaderMaterialRenderer::init(s32& outMaterialTypeNr, const c8* vertexShaderProgram,
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const c8* pixelShaderProgram, E_VERTEX_TYPE type)
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{
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outMaterialTypeNr = -1;
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// create vertex shader
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if (!createVertexShader(vertexShaderProgram, type))
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return;
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// create pixel shader
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if (!createPixelShader(pixelShaderProgram))
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return;
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// register myself as new material
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outMaterialTypeNr = Driver->addMaterialRenderer(this);
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}
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bool CD3D8ShaderMaterialRenderer::OnRender(IMaterialRendererServices* service, E_VERTEX_TYPE vtxtype)
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{
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// call callback to set shader constants
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if (CallBack && (VertexShader || PixelShader))
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CallBack->OnSetConstants(service, UserData);
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return true;
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}
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void CD3D8ShaderMaterialRenderer::OnSetMaterial(const video::SMaterial& material, const video::SMaterial& lastMaterial,
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bool resetAllRenderstates, video::IMaterialRendererServices* services)
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{
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if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
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{
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if (VertexShader)
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{
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// We do not need to save and reset the old vertex shader, because
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// in D3D8, this is mixed up with the fvf, and this is set by the driver
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// every time.
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//pID3DDevice->GetVertexShader(&OldVertexShader);
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// set new vertex shader
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if (FAILED(pID3DDevice->SetVertexShader(VertexShader)))
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os::Printer::log("Could not set vertex shader.", ELL_ERROR);
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}
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// set new pixel shader
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if (PixelShader)
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{
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if (FAILED(pID3DDevice->SetPixelShader(PixelShader)))
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os::Printer::log("Could not set pixel shader.", ELL_ERROR);
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}
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if (BaseMaterial)
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BaseMaterial->OnSetMaterial(material, material, true, services);
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}
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//let callback know used material
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if (CallBack)
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CallBack->OnSetMaterial(material);
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services->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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}
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void CD3D8ShaderMaterialRenderer::OnUnsetMaterial()
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{
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// We do not need to save and reset the old vertex shader, because
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// in D3D8, this is mixed up with the fvf, and this is set by the driver
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// every time.
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// if (VertexShader)
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// pID3DDevice->SetVertexShader(OldVertexShader);
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if (PixelShader)
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pID3DDevice->SetPixelShader(0);
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if (BaseMaterial)
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BaseMaterial->OnUnsetMaterial();
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}
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//! Returns if the material is transparent. The scene managment needs to know this
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//! for being able to sort the materials by opaque and transparent.
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bool CD3D8ShaderMaterialRenderer::isTransparent() const
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{
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return BaseMaterial ? BaseMaterial->isTransparent() : false;
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}
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bool CD3D8ShaderMaterialRenderer::createPixelShader(const c8* pxsh)
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{
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if (!pxsh)
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return true;
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#if defined( _IRR_XBOX_PLATFORM_)
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return false;
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#else
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// compile shader
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LPD3DXBUFFER code = 0;
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LPD3DXBUFFER errors = 0;
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#ifdef _IRR_D3D_NO_SHADER_DEBUGGING
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// compile shader without debug info
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D3DXAssembleShader(pxsh, (UINT)strlen(pxsh), 0, 0, &code, &errors);
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#else
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// compile shader and emitt some debug informations to
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// make it possible to debug the shader in visual studio
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static int irr_dbg_file_nr = 0;
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++irr_dbg_file_nr;
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char tmp[32];
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sprintf(tmp, "irr_d3d8_dbg_shader_%d.psh", irr_dbg_file_nr);
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FILE* f = fopen(tmp, "wb");
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fwrite(pxsh, strlen(pxsh), 1, f);
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fflush(f);
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fclose(f);
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D3DXAssembleShaderFromFile(tmp, D3DXASM_DEBUG, 0, &code, &errors);
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#endif
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if (errors)
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{
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// print out compilation errors.
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os::Printer::log("Pixel shader compilation failed:", ELL_ERROR);
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os::Printer::log((c8*)errors->GetBufferPointer(), ELL_ERROR);
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if (code)
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code->Release();
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errors->Release();
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return false;
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}
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if (FAILED(pID3DDevice->CreatePixelShader((DWORD*)code->GetBufferPointer(), &PixelShader)))
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{
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os::Printer::log("Could not create pixel shader.", ELL_ERROR);
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code->Release();
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return false;
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}
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code->Release();
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return true;
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#endif
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}
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bool CD3D8ShaderMaterialRenderer::createVertexShader(const char* vtxsh, E_VERTEX_TYPE type)
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{
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if (!vtxsh)
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return true;
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// compile shader
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#if defined( _IRR_XBOX_PLATFORM_)
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return false;
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#else
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LPD3DXBUFFER code = 0;
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LPD3DXBUFFER errors = 0;
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#ifdef _IRR_D3D_NO_SHADER_DEBUGGING
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// compile shader without debug info
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D3DXAssembleShader(vtxsh, (UINT)strlen(vtxsh), 0, 0, &code, &errors);
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#else
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// compile shader and emitt some debug informations to
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// make it possible to debug the shader in visual studio
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static int irr_dbg_file_nr = 0;
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++irr_dbg_file_nr;
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char tmp[32];
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sprintf(tmp, "irr_d3d8_dbg_shader_%d.vsh", irr_dbg_file_nr);
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FILE* f = fopen(tmp, "wb");
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fwrite(vtxsh, strlen(vtxsh), 1, f);
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fflush(f);
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fclose(f);
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D3DXAssembleShaderFromFile(tmp, D3DXASM_DEBUG, 0, &code, &errors);
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#endif
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if (errors)
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{
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// print out compilation errors.
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os::Printer::log("Vertex shader compilation failed:", ELL_ERROR);
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os::Printer::log((c8*)errors->GetBufferPointer(), ELL_ERROR);
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if (code)
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code->Release();
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errors->Release();
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return false;
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}
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DWORD* decl = 0;
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DWORD dwStdDecl[] =
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{
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D3DVSD_STREAM(0),
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D3DVSD_REG(0, D3DVSDT_FLOAT3), // position 0
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D3DVSD_REG(1, D3DVSDT_FLOAT3), // normal 1
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D3DVSD_REG(2, D3DVSDT_D3DCOLOR ),// color 2
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D3DVSD_REG(3, D3DVSDT_FLOAT2 ), // tex1 3
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D3DVSD_REG(4, D3DVSDT_FLOAT2 ), // tex2 4
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D3DVSD_END()
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};
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DWORD dwTngtDecl[] =
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{
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D3DVSD_STREAM(0),
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D3DVSD_REG(0 , D3DVSDT_FLOAT3), // position 0
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D3DVSD_REG(1 , D3DVSDT_FLOAT3), // normal 1
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D3DVSD_REG(2 , D3DVSDT_D3DCOLOR ),// color 2
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D3DVSD_REG(3 , D3DVSDT_FLOAT2 ), // tex1 3
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D3DVSD_REG(4, D3DVSDT_FLOAT3 ), // tangent 4
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D3DVSD_REG(5, D3DVSDT_FLOAT3 ), // binormal 5
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D3DVSD_END()
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};
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if (type == EVT_TANGENTS)
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decl = dwTngtDecl;
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else
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decl = dwStdDecl;
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if (FAILED(pID3DDevice->CreateVertexShader(decl,
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(DWORD*)code->GetBufferPointer(), &VertexShader, 0)))
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{
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os::Printer::log("Could not create vertex shader.", ELL_ERROR);
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code->Release();
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return false;
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}
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code->Release();
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return true;
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#endif
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}
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} // end namespace video
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_DIRECT3D_8_
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