diff options
| author | Jordan Justen <[email protected]> | 2014-01-25 12:43:26 -0800 |
|---|---|---|
| committer | Jordan Justen <[email protected]> | 2014-02-20 10:33:09 -0800 |
| commit | d09901993539385c015c6389310c186cba9bb263 (patch) | |
| tree | 45a4aa16092d320467c4e3bcbe216cad9663b6fd | |
| parent | 22388e2208a9a321240ec505f513fa5de5af8946 (diff) | |
glsl: add gl_InvocationID variable for ARB_gpu_shader5
v2:
* Make gl_InvocationID a system value
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
Reviewed-by: Anuj Phogat <[email protected]>
| -rw-r--r-- | src/glsl/builtin_variables.cpp | 2 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp index 2fa509f2765..4176ae6e640 100644 --- a/src/glsl/builtin_variables.cpp +++ b/src/glsl/builtin_variables.cpp @@ -854,6 +854,8 @@ builtin_variable_generator::generate_gs_special_vars() add_output(VARYING_SLOT_LAYER, int_t, "gl_Layer"); if (state->ARB_viewport_array_enable) add_output(VARYING_SLOT_VIEWPORT, int_t, "gl_ViewportIndex"); + if (state->ARB_gpu_shader5_enable) + add_system_value(SYSTEM_VALUE_INVOCATION_ID, int_t, "gl_InvocationID"); /* Although gl_PrimitiveID appears in tessellation control and tessellation * evaluation shaders, it has a different function there than it has in diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index bc029698da1..4c5f02811ef 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -2013,6 +2013,7 @@ typedef enum SYSTEM_VALUE_SAMPLE_ID, /**< Fragment shader only */ SYSTEM_VALUE_SAMPLE_POS, /**< Fragment shader only */ SYSTEM_VALUE_SAMPLE_MASK_IN, /**< Fragment shader only */ + SYSTEM_VALUE_INVOCATION_ID, /**< Geometry shader only */ SYSTEM_VALUE_MAX /**< Number of values */ } gl_system_value; |