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-rw-r--r--src/mesa/drivers/dri/i965/brw_context.c1
-rw-r--r--src/mesa/main/mtypes.h3
-rw-r--r--src/mesa/state_tracker/st_extensions.c1
3 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index 97dc22621c9..ad8d5140a3f 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -599,6 +599,7 @@ brw_initialize_context_constants(struct brw_context *brw)
ctx->Const.MaxClipPlanes = 8;
ctx->Const.LowerTessLevel = true;
+ ctx->Const.LowerCsDerivedVariables = true;
ctx->Const.PrimitiveRestartForPatches = true;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxNativeInstructions = 16 * 1024;
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 22335261fb4..d0f37605f6f 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3763,6 +3763,9 @@ struct gl_constants
GLuint MaxTessControlTotalOutputComponents;
bool LowerTessLevel; /**< Lower gl_TessLevel* from float[n] to vecn? */
bool PrimitiveRestartForPatches;
+ bool LowerCsDerivedVariables; /**< Lower gl_GlobalInvocationID and
+ * gl_LocalInvocationIndex based on
+ * other builtin variables. */
};
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index d35e19f3f90..383983b26b9 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -314,6 +314,7 @@ void st_init_limits(struct pipe_screen *screen,
}
c->LowerTessLevel = true;
+ c->LowerCsDerivedVariables = true;
c->PrimitiveRestartForPatches =
screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES);