diff options
| author | Lubosz Sarnecki <lubosz.sarnecki@collabora.co.uk> | 2015-08-20 16:22:43 +0200 |
|---|---|---|
| committer | Tomaž Vajngerl <tomaz.vajngerl@collabora.co.uk> | 2015-08-26 13:50:32 +0900 |
| commit | 97bf7c6cc7c756109e75dc11641300e28e8b3d1f (patch) | |
| tree | c0f1d13556ce8d5928408dfd57a4fa0193e9fd92 /vcl/opengl/program.cxx | |
| parent | 4f0bb271c300253d1812c6cccf813eff442a02db (diff) | |
vcl OpenGL program: Cache mvp matrix to reduce ~200 api calls per frame.
(cherry picked from commit e3cd97ce0b2e153b8b6812cc66f2e7d33504a7da)
Conflicts:
vcl/opengl/program.cxx
Change-Id: I86ae50bd8d2148e86a6c8fc0821d3e2bc29a0cd4
Diffstat (limited to 'vcl/opengl/program.cxx')
| -rw-r--r-- | vcl/opengl/program.cxx | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/vcl/opengl/program.cxx b/vcl/opengl/program.cxx index ede054816d5f..b1d3cfe8291d 100644 --- a/vcl/opengl/program.cxx +++ b/vcl/opengl/program.cxx @@ -22,7 +22,10 @@ OpenGLProgram::OpenGLProgram() : mnTexCoordAttrib( SAL_MAX_UINT32 ), mnAlphaCoordAttrib( SAL_MAX_UINT32 ), mnMaskCoordAttrib( SAL_MAX_UINT32 ), - mbBlending( false ) + mbBlending( false ), + mfLastWidth(0.0), + mfLastHeight(0.0), + mfLastPixelOffset(0.0) { } @@ -247,6 +250,14 @@ void OpenGLProgram::SetTransform( void OpenGLProgram::ApplyMatrix(float fWidth, float fHeight, float fPixelOffset) { + + if (mfLastWidth == fWidth && mfLastHeight == fHeight && mfLastPixelOffset == fPixelOffset) + return; + + mfLastWidth = fWidth; + mfLastHeight = fHeight; + mfLastPixelOffset = fPixelOffset; + OString sProjectionMatrix("mvp"); GLuint nUniform = GetUniformLocation(sProjectionMatrix); |