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Unified Diff: remoting/client/gl_math.cc

Issue 2175963002: [Chromoting] Implement GlRenderer (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix glUniformMatrix3fv bug in OpenGL ES 2 environment Created 4 years, 5 months ago
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« remoting/client/gl_canvas.cc ('K') | « remoting/client/gl_math.h ('k') | remoting/client/gl_renderer.h » ('j') | no next file with comments »
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Index: remoting/client/gl_math.cc
diff --git a/remoting/client/gl_math.cc b/remoting/client/gl_math.cc
index b223ff367344ee5d63becbc75c2940840c04a704..cb3f8923b7b4fc537bc9ef6195fd3b52882d02bf 100644
--- a/remoting/client/gl_math.cc
+++ b/remoting/client/gl_math.cc
@@ -16,6 +16,8 @@ const int kXScaleKey = 0;
const int kYScaleKey = 4;
const int kXOffsetKey = 2;
const int kYOffsetKey = 5;
+const int kXOffsetKeyTransposed = 6;
+const int kYOffsetKeyTransposed = 7;
} // namespace
@@ -28,8 +30,10 @@ void NormalizeTransformationMatrix(int view_width,
std::array<float, 9>* matrix) {
(*matrix)[kXScaleKey] = canvas_width * (*matrix)[kXScaleKey] / view_width;
(*matrix)[kYScaleKey] = canvas_height * (*matrix)[kYScaleKey] / view_height;
- (*matrix)[kXOffsetKey] /= view_width;
- (*matrix)[kYOffsetKey] /= view_height;
+ (*matrix)[kXOffsetKeyTransposed] = (*matrix)[kXOffsetKey] / view_width;
+ (*matrix)[kYOffsetKeyTransposed] = (*matrix)[kYOffsetKey] / view_width;
+ (*matrix)[kXOffsetKey] = 0;
+ (*matrix)[kYOffsetKey] = 0;
}
void FillRectangleVertexPositions(float left,
« remoting/client/gl_canvas.cc ('K') | « remoting/client/gl_math.h ('k') | remoting/client/gl_renderer.h » ('j') | no next file with comments »

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