diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/context.c | 6 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 9 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index 8b5693e3771..8208a50b3e6 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -622,6 +622,12 @@ _mesa_init_constants(struct gl_constants *consts, gl_api api) consts->MaxProgramMatrices = MAX_PROGRAM_MATRICES; consts->MaxProgramMatrixStackDepth = MAX_PROGRAM_MATRIX_STACK_DEPTH; + /* Assume that if GLSL 1.30+ (or GLSL ES 3.00+) is supported that + * gl_VertexID is implemented using a native hardware register with OpenGL + * semantics. + */ + consts->VertexID_is_zero_based = false; + /* CheckArrayBounds is overriden by drivers/x11 for X server */ consts->CheckArrayBounds = GL_FALSE; diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 05534dba288..0d50be842fb 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -3488,6 +3488,15 @@ struct gl_constants GLboolean NativeIntegers; /** + * Does VertexID count from zero or from base vertex? + * + * \note + * If desktop GLSL 1.30 or GLSL ES 3.00 are not supported, this field is + * ignored and need not be set. + */ + bool VertexID_is_zero_based; + + /** * If the driver supports real 32-bit integers, what integer value should be * used for boolean true in uniform uploads? (Usually 1 or ~0.) */ |