mesa/cs: Implement MAX_COMPUTE_WORK_GROUP_INVOCATIONS constant.

Reviewed-by: Matt Turner <mattst88@gmail.com>

v2: Use CONTEXT_INT rather than CONTEXT_ENUM.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

6 files changed, 8 insertions, 0 deletions

diff --git a/src/glsl/main.cpp b/src/glsl/main.cpp
index bb2054f..94bc1cc 100644
--- a/src/glsl/main.cpp
+++ b/src/glsl/main.cpp
@@ -53,6 +53,7 @@ initialize_context(struct gl_context *ctx, gl_api api)
    ctx->Const.MaxComputeWorkGroupSize[0] = 1024;
    ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
    ctx->Const.MaxComputeWorkGroupSize[2] = 64;
+   ctx->Const.MaxComputeWorkGroupInvocations = 1024;
    ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;
    ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;
    ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */
diff --git a/src/glsl/standalone_scaffolding.cpp b/src/glsl/standalone_scaffolding.cpp
index 748d7e9..475fbd8 100644
--- a/src/glsl/standalone_scaffolding.cpp
+++ b/src/glsl/standalone_scaffolding.cpp
@@ -144,6 +144,7 @@ void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
    ctx->Const.MaxComputeWorkGroupSize[0] = 1024;
    ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
    ctx->Const.MaxComputeWorkGroupSize[2] = 64;
+   ctx->Const.MaxComputeWorkGroupInvocations = 1024;
    ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;
    ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;
    ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index abebd82..4cf86bc 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -705,6 +705,7 @@ _mesa_init_constants(struct gl_context *ctx)
    ctx->Const.MaxComputeWorkGroupSize[0] = 1024;
    ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
    ctx->Const.MaxComputeWorkGroupSize[2] = 64;
+   ctx->Const.MaxComputeWorkGroupInvocations = 1024;
 }
 
 
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index acd4d8c..2833a15 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -390,6 +390,7 @@ EXTRA_EXT(ARB_shader_atomic_counters);
 EXTRA_EXT(ARB_draw_indirect);
 EXTRA_EXT(ARB_shader_image_load_store);
 EXTRA_EXT(ARB_viewport_array);
+EXTRA_EXT(ARB_compute_shader);
 
 static const int
 extra_ARB_color_buffer_float_or_glcore[] = {
diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
index 3a7f531..2e8a116 100644
--- a/src/mesa/main/get_hash_params.py
+++ b/src/mesa/main/get_hash_params.py
@@ -751,6 +751,9 @@ descriptor=[
   [ "MAX_GEOMETRY_IMAGE_UNIFORMS", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxImageUniforms), extra_ARB_shader_image_load_store_and_geometry_shader"],
   [ "MAX_FRAGMENT_IMAGE_UNIFORMS", "CONTEXT_INT(Const.Program[MESA_SHADER_FRAGMENT].MaxImageUniforms), extra_ARB_shader_image_load_store"],
   [ "MAX_COMBINED_IMAGE_UNIFORMS", "CONTEXT_INT(Const.MaxCombinedImageUniforms), extra_ARB_shader_image_load_store"],
+
+# GL_ARB_compute_shader
+  [ "MAX_COMPUTE_WORK_GROUP_INVOCATIONS", "CONTEXT_INT(Const.MaxComputeWorkGroupInvocations), extra_ARB_compute_shader" ],
 ]},
 
 # Enums restricted to OpenGL Core profile
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 08c5505..40e2e68 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3381,6 +3381,7 @@ struct gl_constants
 
    /** GL_ARB_compute_shader */
    GLuint MaxComputeWorkGroupSize[3]; /* Array of x, y, z dimensions */
+   GLuint MaxComputeWorkGroupInvocations;
 };