mirror of https://github.com/minetest/irrlicht.git
Unify plain image drawing
This commit is contained in:
numzero
parent
79fdab0551
commit
4fba496917
|
|
@ -828,128 +828,8 @@ COpenGL3Driver::~COpenGL3Driver()
|
|||
if (!sourceRect.isValid())
|
||||
return;
|
||||
|
||||
core::position2d<s32> targetPos(destPos);
|
||||
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);
|
||||
|
||||
chooseMaterial2D();
|
||||
if (!setMaterialTexture(0, texture ))
|
||||
return;
|
||||
|
||||
setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture);
|
||||
|
||||
f32 left = (f32)poss.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f;
|
||||
f32 right = (f32)poss.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f;
|
||||
f32 down = 2.f - (f32)poss.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f;
|
||||
f32 top = 2.f - (f32)poss.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f;
|
||||
|
||||
u16 indices[] = {0, 1, 2, 3};
|
||||
S3DVertex vertices[4];
|
||||
vertices[0] = S3DVertex(left, top, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y);
|
||||
vertices[1] = S3DVertex(right, top, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y);
|
||||
vertices[2] = S3DVertex(right, down, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y);
|
||||
vertices[3] = S3DVertex(left, down, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y);
|
||||
|
||||
glEnableVertexAttribArray(EVA_POSITION);
|
||||
glEnableVertexAttribArray(EVA_COLOR);
|
||||
glEnableVertexAttribArray(EVA_TCOORD0);
|
||||
glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Pos);
|
||||
glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Color);
|
||||
glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords);
|
||||
glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, indices);
|
||||
glDisableVertexAttribArray(EVA_TCOORD0);
|
||||
glDisableVertexAttribArray(EVA_COLOR);
|
||||
glDisableVertexAttribArray(EVA_POSITION);
|
||||
SColor colors[4] = {color, color, color, color};
|
||||
draw2DImage(texture, {destPos, sourceRect.getSize()}, sourceRect, clipRect, colors, useAlphaChannelOfTexture);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1083,6 +963,24 @@ COpenGL3Driver::~COpenGL3Driver()
|
|||
if (!texture)
|
||||
return;
|
||||
|
||||
chooseMaterial2D();
|
||||
if (!setMaterialTexture(0, texture))
|
||||
return;
|
||||
|
||||
setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture);
|
||||
|
||||
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
||||
|
||||
if (clipRect)
|
||||
{
|
||||
if (!clipRect->isValid())
|
||||
return;
|
||||
|
||||
glEnable(GL_SCISSOR_TEST);
|
||||
glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height - clipRect->LowerRightCorner.Y,
|
||||
clipRect->getWidth(), clipRect->getHeight());
|
||||
}
|
||||
|
||||
const irr::u32 drawCount = core::min_<u32>(positions.size(), sourceRects.size());
|
||||
|
||||
core::array<S3DVertex> vtx(drawCount * 4);
|
||||
|
|
@ -1095,82 +993,6 @@ COpenGL3Driver::~COpenGL3Driver()
|
|||
// 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 + (s32)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 + (s32)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;
|
||||
}
|
||||
|
||||
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)
|
||||
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.
|
||||
// now draw it.
|
||||
|
||||
core::rect<f32> tcoords;
|
||||
|
|
@ -1181,12 +1003,6 @@ COpenGL3Driver::~COpenGL3Driver()
|
|||
|
||||
const core::rect<s32> poss(targetPos, sourceSize);
|
||||
|
||||
chooseMaterial2D();
|
||||
if (!setMaterialTexture(0, texture))
|
||||
return;
|
||||
|
||||
setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture);
|
||||
|
||||
f32 left = (f32)poss.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f;
|
||||
f32 right = (f32)poss.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f;
|
||||
f32 down = 2.f - (f32)poss.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f;
|
||||
|
|
|
|||
Loading…
Reference in New Issue