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mesa: Make gl_VertexID be a system value like gl_InstanceID.

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Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Eric Anholt 2011-11-08 14:49:07 -08:00
parent 44fc3c6c1c
commit 919c53e87a
2 changed files with 2 additions and 1 deletions
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2
src/glsl/builtin_variables.cpp
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@ -98,7 +98,7 @@ static const builtin_variable builtin_120_fs_variables[] = {
};
static const builtin_variable builtin_130_vs_variables[] = {
{ ir_var_in, -1, "int", "gl_VertexID" },
{ ir_var_system_value, SYSTEM_VALUE_VERTEX_ID, "int", "gl_VertexID" },
};
static const builtin_variable builtin_110_deprecated_uniforms[] = {

1
src/mesa/main/mtypes.h
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@ -1798,6 +1798,7 @@ typedef enum
typedef enum
{
SYSTEM_VALUE_FRONT_FACE, /**< Fragment shader only (not done yet) */
SYSTEM_VALUE_VERTEX_ID, /**< Vertex shader only */
SYSTEM_VALUE_INSTANCE_ID, /**< Vertex shader only */
SYSTEM_VALUE_MAX /**< Number of values */
} gl_system_value;