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glsl/shader_enums: Add an enum for Vulkan InstanceIndex

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In Vulkan, you have InstanceIndex which begins at the base instance value
rather than the zero-based InstanceID of GL.

Reviewed-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Jason Ekstrand 2016-03-25 10:50:11 -07:00
parent 581c8016f8
commit 22836dbefa
2 changed files with 8 additions and 0 deletions
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1
src/compiler/shader_enums.c
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@ -201,6 +201,7 @@ gl_system_value_name(gl_system_value sysval)
static const char *names[] = {
ENUM(SYSTEM_VALUE_VERTEX_ID),
ENUM(SYSTEM_VALUE_INSTANCE_ID),
ENUM(SYSTEM_VALUE_INSTANCE_INDEX),
ENUM(SYSTEM_VALUE_VERTEX_ID_ZERO_BASE),
ENUM(SYSTEM_VALUE_BASE_VERTEX),
ENUM(SYSTEM_VALUE_INVOCATION_ID),

7
src/compiler/shader_enums.h
View file

@ -378,6 +378,13 @@ typedef enum
*/
SYSTEM_VALUE_INSTANCE_ID,
/**
* Vulkan InstanceIndex.
*
* InstanceIndex = gl_InstanceID + gl_BaseInstance
*/
SYSTEM_VALUE_INSTANCE_INDEX,
/**
* DirectX-style vertex ID.
*