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-rw-r--r--src/render/modernopenglgraphics.cpp57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/render/modernopenglgraphics.cpp b/src/render/modernopenglgraphics.cpp
index f37e3336a..ea8447c33 100644
--- a/src/render/modernopenglgraphics.cpp
+++ b/src/render/modernopenglgraphics.cpp
@@ -698,10 +698,67 @@ void ModernOpenGLGraphics::calcTileVertexesInline(ImageVertexes *const vert,
const Image *const image,
int dstX, int dstY) const
{
+ if (!vert || !image)
+ return;
+
+ const SDL_Rect &imageRect = image->mBounds;
+ const int srcX = imageRect.x;
+ const int srcY = imageRect.y;
+ const int w = imageRect.w;
+ const int h = imageRect.h;
+
+ if (w == 0 || h == 0)
+ return;
+
+ const float tw = static_cast<float>(image->mTexWidth);
+ const float th = static_cast<float>(image->mTexHeight);
+ const ClipRect &clipArea = mClipStack.top();
+ const int x2 = dstX + clipArea.xOffset;
+ const int y2 = dstY + clipArea.yOffset;
+
+ const unsigned int vLimit = mMaxVertices * 4;
+
+ OpenGLGraphicsVertexes &ogl = vert->ogl;
+
+ unsigned int vp = ogl.continueVp();
+
+ float texX1 = static_cast<float>(srcX) / tw;
+ float texY1 = static_cast<float>(srcY) / th;
+ float texX2 = static_cast<float>(srcX + w) / tw;
+ float texY2 = static_cast<float>(srcY + h) / th;
+
+ GLfloat *const floatArray = ogl.continueFloatTexArray();
+
+ vertFill2D(floatArray,
+ texX1, texY1, texX2, texY2,
+ x2, y2, w, h);
+
+ vp += 24;
+ if (vp >= vLimit)
+ {
+ ogl.switchFloatTexArray();
+ ogl.switchVp(vp);
+ vp = 0;
+ }
+
+ ogl.switchVp(vp);
}
void ModernOpenGLGraphics::drawTileVertexes(const ImageVertexes *const vert)
{
+ if (!vert)
+ return;
+ const Image *const image = vert->image;
+
+ setColorAlpha(image->mAlpha);
+#ifdef DEBUG_BIND_TEXTURE
+ debugBindTexture(image);
+#endif
+ bindTexture(OpenGLImageHelper::mTextureType, image->mGLImage);
+ setTexturingAndBlending(true);
+ bindArrayBufferAndAttributes(mVbo);
+
+ drawVertexes(vert->ogl);
}
void ModernOpenGLGraphics::calcWindow(ImageCollection *const vertCol,