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authorNicolai Hähnle <[email protected]>2017-03-30 12:10:00 +0200
committerNicolai Hähnle <[email protected]>2017-04-05 15:25:56 +0200
commitb5711d5e1a7c281a5f4fb3101333e3cc64bd418b (patch)
tree8cf191346507337161b76d274398b5dc96f77c99 /src/compiler/glsl
parent961b8e9afe79251babb18f8885ee4646f2296a9a (diff)
glsl: add gl_SubGroup*ARB builtins
Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/compiler/glsl')
-rw-r--r--src/compiler/glsl/builtin_variables.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/compiler/glsl/builtin_variables.cpp b/src/compiler/glsl/builtin_variables.cpp
index fc0443e7156..c232571f26e 100644
--- a/src/compiler/glsl/builtin_variables.cpp
+++ b/src/compiler/glsl/builtin_variables.cpp
@@ -365,6 +365,7 @@ public:
struct _mesa_glsl_parse_state *state);
void generate_constants();
void generate_uniforms();
+ void generate_special_vars();
void generate_vs_special_vars();
void generate_tcs_special_vars();
void generate_tes_special_vars();
@@ -428,6 +429,7 @@ private:
const glsl_type * const bool_t;
const glsl_type * const int_t;
const glsl_type * const uint_t;
+ const glsl_type * const uint64_t;
const glsl_type * const float_t;
const glsl_type * const vec2_t;
const glsl_type * const vec3_t;
@@ -447,6 +449,7 @@ builtin_variable_generator::builtin_variable_generator(
compatibility(state->compat_shader || !state->is_version(140, 100)),
bool_t(glsl_type::bool_type), int_t(glsl_type::int_type),
uint_t(glsl_type::uint_type),
+ uint64_t(glsl_type::uint64_t_type),
float_t(glsl_type::float_type), vec2_t(glsl_type::vec2_type),
vec3_t(glsl_type::vec3_type), vec4_t(glsl_type::vec4_type),
uvec3_t(glsl_type::uvec3_type),
@@ -984,6 +987,24 @@ builtin_variable_generator::generate_uniforms()
/**
+ * Generate special variables which exist in all shaders.
+ */
+void
+builtin_variable_generator::generate_special_vars()
+{
+ if (state->ARB_shader_ballot_enable) {
+ add_system_value(SYSTEM_VALUE_SUBGROUP_SIZE, uint_t, "gl_SubGroupSizeARB");
+ add_system_value(SYSTEM_VALUE_SUBGROUP_INVOCATION, uint_t, "gl_SubGroupInvocationARB");
+ add_system_value(SYSTEM_VALUE_SUBGROUP_EQ_MASK, uint64_t, "gl_SubGroupEqMaskARB");
+ add_system_value(SYSTEM_VALUE_SUBGROUP_GE_MASK, uint64_t, "gl_SubGroupGeMaskARB");
+ add_system_value(SYSTEM_VALUE_SUBGROUP_GT_MASK, uint64_t, "gl_SubGroupGtMaskARB");
+ add_system_value(SYSTEM_VALUE_SUBGROUP_LE_MASK, uint64_t, "gl_SubGroupLeMaskARB");
+ add_system_value(SYSTEM_VALUE_SUBGROUP_LT_MASK, uint64_t, "gl_SubGroupLtMaskARB");
+ }
+}
+
+
+/**
* Generate variables which only exist in vertex shaders.
*/
void
@@ -1416,6 +1437,7 @@ _mesa_glsl_initialize_variables(exec_list *instructions,
gen.generate_constants();
gen.generate_uniforms();
+ gen.generate_special_vars();
gen.generate_varyings();