diff options
Diffstat (limited to 'include/gpu/gl/GrGLConfig.h')
| -rw-r--r-- | include/gpu/gl/GrGLConfig.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/gpu/gl/GrGLConfig.h b/include/gpu/gl/GrGLConfig.h index 4b3ab8b258..444be00f15 100644 --- a/include/gpu/gl/GrGLConfig.h +++ b/include/gpu/gl/GrGLConfig.h @@ -46,6 +46,12 @@ * GR_GL_CHECK_ERROR_START: controls the initial value of gCheckErrorGL * when GR_GL_CHECK_ERROR is 1. Defaults to 1. * + * GR_GL_NO_CONSTANT_ATTRIBUTES: if this evaluates to true then the GL backend + * will use uniforms instead of attributes in all cases when there is not + * per-vertex data. This is important when the underlying GL implementation + * doesn't actually support immediate style attribute values (e.g. when + * the GL stream is converted to DX as in ANGLE on Chrome). Defaults to 0. + * * GR_GL_USE_BUFFER_DATA_NULL_HINT: When specifing new data for a vertex/index * buffer that replaces old data Ganesh can give a hint to the driver that the * previous data will not be used in future draws like this: @@ -120,6 +126,10 @@ #define GR_GL_CHECK_ERROR_START 1 #endif +#if !defined(GR_GL_NO_CONSTANT_ATTRIBUTES) + #define GR_GL_NO_CONSTANT_ATTRIBUTES 0 +#endif + #if !defined(GR_GL_USE_BUFFER_DATA_NULL_HINT) #define GR_GL_USE_BUFFER_DATA_NULL_HINT 1 #endif |