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-rw-r--r--src/compiler/glsl/builtin_functions.cpp61
1 files changed, 43 insertions, 18 deletions
diff --git a/src/compiler/glsl/builtin_functions.cpp b/src/compiler/glsl/builtin_functions.cpp
index f488434e4c9..bbb237a102c 100644
--- a/src/compiler/glsl/builtin_functions.cpp
+++ b/src/compiler/glsl/builtin_functions.cpp
@@ -448,8 +448,16 @@ shader_image_load_store(const _mesa_glsl_parse_state *state)
static bool
shader_image_atomic(const _mesa_glsl_parse_state *state)
{
- return (state->is_version(420, 0) ||
- state->ARB_shader_image_load_store_enable);
+ return (state->is_version(420, 320) ||
+ state->ARB_shader_image_load_store_enable ||
+ state->OES_shader_image_atomic_enable);
+}
+
+static bool
+shader_image_atomic_exchange_float(const _mesa_glsl_parse_state *state)
+{
+ return (state->is_version(450, 320) ||
+ state->OES_shader_image_atomic_enable);
}
static bool
@@ -577,17 +585,6 @@ private:
unsigned num_arguments,
unsigned flags);
- enum image_function_flags {
- IMAGE_FUNCTION_EMIT_STUB = (1 << 0),
- IMAGE_FUNCTION_RETURNS_VOID = (1 << 1),
- IMAGE_FUNCTION_HAS_VECTOR_DATA_TYPE = (1 << 2),
- IMAGE_FUNCTION_SUPPORTS_FLOAT_DATA_TYPE = (1 << 3),
- IMAGE_FUNCTION_READ_ONLY = (1 << 4),
- IMAGE_FUNCTION_WRITE_ONLY = (1 << 5),
- IMAGE_FUNCTION_AVAIL_ATOMIC = (1 << 6),
- IMAGE_FUNCTION_MS_ONLY = (1 << 7),
- };
-
/**
* Create a new image built-in function for all known image types.
* \p flags is a bitfield of \c image_function_flags flags.
@@ -836,6 +833,18 @@ private:
/** @} */
};
+enum image_function_flags {
+ IMAGE_FUNCTION_EMIT_STUB = (1 << 0),
+ IMAGE_FUNCTION_RETURNS_VOID = (1 << 1),
+ IMAGE_FUNCTION_HAS_VECTOR_DATA_TYPE = (1 << 2),
+ IMAGE_FUNCTION_SUPPORTS_FLOAT_DATA_TYPE = (1 << 3),
+ IMAGE_FUNCTION_READ_ONLY = (1 << 4),
+ IMAGE_FUNCTION_WRITE_ONLY = (1 << 5),
+ IMAGE_FUNCTION_AVAIL_ATOMIC = (1 << 6),
+ IMAGE_FUNCTION_MS_ONLY = (1 << 7),
+ IMAGE_FUNCTION_AVAIL_ATOMIC_EXCHANGE = (1 << 8)
+};
+
} /* anonymous namespace */
/**
@@ -2981,7 +2990,9 @@ builtin_builder::add_image_functions(bool glsl)
add_image_function((glsl ? "imageAtomicExchange" :
"__intrinsic_image_atomic_exchange"),
"__intrinsic_image_atomic_exchange",
- &builtin_builder::_image_prototype, 1, atom_flags);
+ &builtin_builder::_image_prototype, 1,
+ (flags | IMAGE_FUNCTION_AVAIL_ATOMIC_EXCHANGE |
+ IMAGE_FUNCTION_SUPPORTS_FLOAT_DATA_TYPE));
add_image_function((glsl ? "imageAtomicCompSwap" :
"__intrinsic_image_atomic_comp_swap"),
@@ -5232,6 +5243,21 @@ builtin_builder::_mid3(const glsl_type *type)
return sig;
}
+static builtin_available_predicate
+get_image_available_predicate(const glsl_type *type, unsigned flags)
+{
+ if ((flags & IMAGE_FUNCTION_AVAIL_ATOMIC_EXCHANGE) &&
+ type->sampled_type == GLSL_TYPE_FLOAT)
+ return shader_image_atomic_exchange_float;
+
+ else if (flags & (IMAGE_FUNCTION_AVAIL_ATOMIC_EXCHANGE |
+ IMAGE_FUNCTION_AVAIL_ATOMIC))
+ return shader_image_atomic;
+
+ else
+ return shader_image_load_store;
+}
+
ir_function_signature *
builtin_builder::_image_prototype(const glsl_type *image_type,
unsigned num_arguments,
@@ -5249,10 +5275,9 @@ builtin_builder::_image_prototype(const glsl_type *image_type,
ir_variable *coord = in_var(
glsl_type::ivec(image_type->coordinate_components()), "coord");
- const builtin_available_predicate avail =
- (flags & IMAGE_FUNCTION_AVAIL_ATOMIC ? shader_image_atomic :
- shader_image_load_store);
- ir_function_signature *sig = new_sig(ret_type, avail, 2, image, coord);
+ ir_function_signature *sig = new_sig(
+ ret_type, get_image_available_predicate(image_type, flags),
+ 2, image, coord);
/* Sample index for multisample images. */
if (image_type->sampler_dimensionality == GLSL_SAMPLER_DIM_MS)