diff options
Diffstat (limited to 'src/mesa/main/varray.h')
| -rw-r--r-- | src/mesa/main/varray.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/mesa/main/varray.h b/src/mesa/main/varray.h index ac49434ab90..2d184adf8bc 100644 --- a/src/mesa/main/varray.h +++ b/src/mesa/main/varray.h @@ -343,9 +343,22 @@ _mesa_VertexAttribDivisor_no_error(GLuint index, GLuint divisor); extern void GLAPIENTRY _mesa_VertexAttribDivisor(GLuint index, GLuint divisor); -extern unsigned +static inline unsigned _mesa_primitive_restart_index(const struct gl_context *ctx, - unsigned index_size); + unsigned index_size) +{ + /* From the OpenGL 4.3 core specification, page 302: + * "If both PRIMITIVE_RESTART and PRIMITIVE_RESTART_FIXED_INDEX are + * enabled, the index value determined by PRIMITIVE_RESTART_FIXED_INDEX + * is used." + */ + if (ctx->Array.PrimitiveRestartFixedIndex) { + /* 1 -> 0xff, 2 -> 0xffff, 4 -> 0xffffffff */ + return 0xffffffffu >> 8 * (4 - index_size); + } + + return ctx->Array.RestartIndex; +} extern void GLAPIENTRY _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset, |