Fix the y offset of Renderer11::copytexture to correct the inverted output image.
Was breaking the WebGL conformance test copy-tex-image-and-sub-image.
TRAC #22589
Signed-off-by: Geoff Lang
Signed-off-by: Nicolas Capens
Author: Jamie Madill
git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1911 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/Renderer11.cpp b/src/libGLESv2/renderer/Renderer11.cpp
index 5750527..66f6916 100644
--- a/src/libGLESv2/renderer/Renderer11.cpp
+++ b/src/libGLESv2/renderer/Renderer11.cpp
@@ -2518,9 +2518,9 @@
// Create a quad in homogeneous coordinates
float x1 = (destArea.x / float(destWidth)) * 2.0f - 1.0f;
- float y1 = (destArea.y / float(destHeight)) * 2.0f - 1.0f;
+ float y1 = ((destHeight - destArea.y - destArea.height) / float(destHeight)) * 2.0f - 1.0f;
float x2 = ((destArea.x + destArea.width) / float(destWidth)) * 2.0f - 1.0f;
- float y2 = ((destArea.y + destArea.height) / float(destHeight)) * 2.0f - 1.0f;
+ float y2 = ((destHeight - destArea.y) / float(destHeight)) * 2.0f - 1.0f;
float u1 = sourceArea.x / float(sourceWidth);
float v1 = sourceArea.y / float(sourceHeight);