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STARK: Fixed blitting offset in software renderer

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Paweł Kołodziejski 2021-11-08 09:07:21 +01:00
parent 0c5e091215
commit d810267015
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GPG Key ID: 0BDADC9E74440FF7
1 changed files with 6 additions and 4 deletions
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10
engines/stark/gfx/tinyglsurface.cpp
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@ -42,7 +42,6 @@ void TinyGLSurfaceRenderer::render(const Texture *texture, const Common::Point &
}
void TinyGLSurfaceRenderer::render(const Texture *texture, const Common::Point &dest, uint width, uint height) {
// Destination rectangle with given width and height
_gfx->start2DMode();
Math::Vector2d sizeWH;
@ -54,13 +53,16 @@ void TinyGLSurfaceRenderer::render(const Texture *texture, const Common::Point &
auto verOffsetXY = normalizeOriginalCoordinates(dest.x, dest.y);
auto nativeViewport = _gfx->getViewport();
auto viewport = Math::Vector2d(nativeViewport.width(), nativeViewport.height());
auto blitImage = ((TinyGlBitmap *)const_cast<Texture *>(texture))->getBlitTexture();
int blitTextureWidth, blitTextureHeight;
Graphics::tglGetBlitImageSize(blitImage, blitTextureWidth, blitTextureHeight);
Graphics::BlitTransform transform(viewport.getX() * verOffsetXY.getX(), viewport.getY() * verOffsetXY.getY());
int posX = viewport.getX() * verOffsetXY.getX() + nativeViewport.left;
int posY = viewport.getY() * verOffsetXY.getY() + nativeViewport.top;
int dstWidth = viewport.getX() * sizeWH.getX();
int dstHeight = viewport.getY() * sizeWH.getY();
Graphics::BlitTransform transform(posX, posY);
transform.sourceRectangle(0, 0, blitTextureWidth, blitTextureHeight);
transform.scale(viewport.getX() * sizeWH.getX(), viewport.getY() * sizeWH.getY());
transform.scale(dstWidth, dstHeight);
transform.tint(1.0, 1.0 - _fadeLevel, 1.0 - _fadeLevel, 1.0 - _fadeLevel);
tglBlit(blitImage, transform);