glsl: add enable flags for ARB_compute_variable_group_size

This also initializes the default values for the standalone compiler.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

4 files changed, 12 insertions, 0 deletions

diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp
index 5f3474e..35f7da5 100644
--- a/src/compiler/glsl/glsl_parser_extras.cpp
+++ b/src/compiler/glsl/glsl_parser_extras.cpp
@@ -590,6 +590,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    EXT(ARB_ES3_2_compatibility),
    EXT(ARB_arrays_of_arrays),
    EXT(ARB_compute_shader),
+   EXT(ARB_compute_variable_group_size),
    EXT(ARB_conservative_depth),
    EXT(ARB_cull_distance),
    EXT(ARB_derivative_control),
diff --git a/src/compiler/glsl/glsl_parser_extras.h b/src/compiler/glsl/glsl_parser_extras.h
index b9c9a1a..3abeb9f 100644
--- a/src/compiler/glsl/glsl_parser_extras.h
+++ b/src/compiler/glsl/glsl_parser_extras.h
@@ -576,6 +576,8 @@ struct _mesa_glsl_parse_state {
    bool ARB_arrays_of_arrays_warn;
    bool ARB_compute_shader_enable;
    bool ARB_compute_shader_warn;
+   bool ARB_compute_variable_group_size_enable;
+   bool ARB_compute_variable_group_size_warn;
    bool ARB_conservative_depth_enable;
    bool ARB_conservative_depth_warn;
    bool ARB_cull_distance_enable;
diff --git a/src/compiler/glsl/standalone.cpp b/src/compiler/glsl/standalone.cpp
index 6b1c2ce..055c433 100644
--- a/src/compiler/glsl/standalone.cpp
+++ b/src/compiler/glsl/standalone.cpp
@@ -58,6 +58,10 @@ initialize_context(struct gl_context *ctx, gl_api api)
    ctx->Const.MaxComputeWorkGroupSize[2] = 64;
    ctx->Const.MaxComputeWorkGroupInvocations = 1024;
    ctx->Const.MaxComputeSharedMemorySize = 32768;
+   ctx->Const.MaxComputeVariableGroupSize[0] = 512;
+   ctx->Const.MaxComputeVariableGroupSize[1] = 512;
+   ctx->Const.MaxComputeVariableGroupSize[2] = 64;
+   ctx->Const.MaxComputeVariableGroupInvocations = 512;
    ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;
    ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;
    ctx->Const.Program[MESA_SHADER_COMPUTE].MaxCombinedUniformComponents = 1024;
diff --git a/src/compiler/glsl/standalone_scaffolding.cpp b/src/compiler/glsl/standalone_scaffolding.cpp
index aa79b86..35e40d6 100644
--- a/src/compiler/glsl/standalone_scaffolding.cpp
+++ b/src/compiler/glsl/standalone_scaffolding.cpp
@@ -156,6 +156,7 @@ void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
    ctx->Extensions.dummy_false = false;
    ctx->Extensions.dummy_true = true;
    ctx->Extensions.ARB_compute_shader = true;
+   ctx->Extensions.ARB_compute_variable_group_size = true;
    ctx->Extensions.ARB_conservative_depth = true;
    ctx->Extensions.ARB_draw_instanced = true;
    ctx->Extensions.ARB_ES2_compatibility = true;
@@ -219,6 +220,10 @@ void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
    ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
    ctx->Const.MaxComputeWorkGroupSize[2] = 64;
    ctx->Const.MaxComputeWorkGroupInvocations = 1024;
+   ctx->Const.MaxComputeVariableGroupSize[0] = 512;
+   ctx->Const.MaxComputeVariableGroupSize[1] = 512;
+   ctx->Const.MaxComputeVariableGroupSize[2] = 64;
+   ctx->Const.MaxComputeVariableGroupInvocations = 512;
    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 */