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add framebuffer support for old video cards

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This commit is contained in:
Eduardo Bart
2011-11-25 20:29:45 -02:00
parent 7e0618b247
commit 1386064d71
4 changed files with 36 additions and 9 deletions
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21
src/framework/graphics/graphics.cpp
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@@ -132,7 +132,8 @@ void Graphics::endRender()
void Graphics::drawTexturedRect(const Rect& screenCoords,
const TexturePtr& texture,
const Rect& textureCoords)
const Rect& textureCoords,
bool upsideDown)
{
if(screenCoords.isEmpty() || texture->getId() == 0)
return;
@@ -151,13 +152,23 @@ void Graphics::drawTexturedRect(const Rect& screenCoords,
if(textureCoords.isEmpty()) {
textureRight = texture->getWidth() / (float)textureSize.width();
textureBottom = texture->getHeight() / (float)textureSize.height();
textureTop = 0.0f;
if(upsideDown) {
textureBottom = 0.0f;
textureTop = texture->getHeight() / (float)textureSize.height();
} else {
textureBottom = texture->getHeight() / (float)textureSize.height();
textureTop = 0.0f;
}
textureLeft = 0.0f;
} else {
textureRight = (textureCoords.right() + 1) / (float)textureSize.width();
textureBottom = (textureCoords.bottom() + 1) / (float)textureSize.height();
textureTop = textureCoords.top() / (float)textureSize.height();
if(upsideDown) {
textureTop = (textureCoords.bottom() + 1) / (float)textureSize.height();
textureBottom = textureCoords.top() / (float)textureSize.height();
} else {
textureBottom = (textureCoords.bottom() + 1) / (float)textureSize.height();
textureTop = textureCoords.top() / (float)textureSize.height();
}
textureLeft = textureCoords.left() / (float)textureSize.width();
}