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| author | Gunnar Sletta <gunnar.sletta@nokia.com> | 2010-04-16 04:42:09 (GMT) |
|---|---|---|
| committer | Gunnar Sletta <gunnar.sletta@nokia.com> | 2010-04-19 08:28:39 (GMT) |
| commit | b1d187399b79b980bc49cb9f78320466da54f977 (patch) | |
| tree | 7591971b9227ffa376383845447035ba71f733a7 /src/opengl/qglextensions.cpp | |
| parent | 4676dd62871da2b58452ebda477a04c25158bec4 (diff) | |
| download | Qt-b1d187399b79b980bc49cb9f78320466da54f977.zip Qt-b1d187399b79b980bc49cb9f78320466da54f977.tar.gz Qt-b1d187399b79b980bc49cb9f78320466da54f977.tar.bz2 | |
Don't resolve geometry shaders every time...
This was a huge extra cost in all QPainter::begin's on
GL target surfaces
Reviewed-by: Rhys Weatherley
Diffstat (limited to 'src/opengl/qglextensions.cpp')
| -rw-r--r-- | src/opengl/qglextensions.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp index ef3c4cd..8e2bbd4 100644 --- a/src/opengl/qglextensions.cpp +++ b/src/opengl/qglextensions.cpp @@ -235,11 +235,6 @@ bool qt_resolve_eglimage_gl_extensions(QGLContext *ctx) bool qt_resolve_glsl_extensions(QGLContext *ctx) { - // Geometry shaders are optional... - glProgramParameteriEXT = (_glProgramParameteriEXT) ctx->getProcAddress(QLatin1String("glProgramParameteriEXT")); - glFramebufferTextureEXT = (_glFramebufferTextureEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureEXT")); - glFramebufferTextureLayerEXT = (_glFramebufferTextureLayerEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureLayerEXT")); - glFramebufferTextureFaceEXT = (_glFramebufferTextureFaceEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureFaceEXT")); #if defined(QT_OPENGL_ES_2) // The GLSL shader functions are always present in OpenGL/ES 2.0. @@ -254,6 +249,12 @@ bool qt_resolve_glsl_extensions(QGLContext *ctx) if (glCreateShader) return true; + // Geometry shaders are optional... + glProgramParameteriEXT = (_glProgramParameteriEXT) ctx->getProcAddress(QLatin1String("glProgramParameteriEXT")); + glFramebufferTextureEXT = (_glFramebufferTextureEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureEXT")); + glFramebufferTextureLayerEXT = (_glFramebufferTextureLayerEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureLayerEXT")); + glFramebufferTextureFaceEXT = (_glFramebufferTextureFaceEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureFaceEXT")); + glCreateShader = (_glCreateShader) ctx->getProcAddress(QLatin1String("glCreateShader")); if (glCreateShader) { glShaderSource = (_glShaderSource) ctx->getProcAddress(QLatin1String("glShaderSource")); |