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mesa/glsl: add support for EXT_shader_implicit_conversions

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EXT_shader_implicit_conversions adds support for implicit conversions
for GLES 3.1 and above.

This is essentially a subset of ARB_gpu_shader5, and augments
OES_gpu_shader5.

Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
This commit is contained in:
Erik Faye-Lund
2018-10-25 16:40:13 +02:00
parent ecab2d6f14
commit 6df922f438
4 changed files with 8 additions and 2 deletions
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1
src/compiler/glsl/glsl_parser_extras.cpp
View File

@@ -718,6 +718,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
EXT(EXT_separate_shader_objects),
EXT(EXT_shader_framebuffer_fetch),
EXT(EXT_shader_framebuffer_fetch_non_coherent),
EXT(EXT_shader_implicit_conversions),
EXT(EXT_shader_integer_mix),
EXT_AEP(EXT_shader_io_blocks),
EXT(EXT_shader_samples_identical),

5
src/compiler/glsl/glsl_parser_extras.h
View File

@@ -346,13 +346,14 @@ struct _mesa_glsl_parse_state {
bool has_implicit_conversions() const
{
return is_version(120, 0);
return EXT_shader_implicit_conversions_enable || is_version(120, 0);
}
bool has_implicit_uint_to_int_conversion() const
{
return ARB_gpu_shader5_enable ||
MESA_shader_integer_functions_enable ||
EXT_shader_implicit_conversions_enable ||
is_version(400, 0);
}
@@ -806,6 +807,8 @@ struct _mesa_glsl_parse_state {
bool EXT_shader_framebuffer_fetch_warn;
bool EXT_shader_framebuffer_fetch_non_coherent_enable;
bool EXT_shader_framebuffer_fetch_non_coherent_warn;
bool EXT_shader_implicit_conversions_enable;
bool EXT_shader_implicit_conversions_warn;
bool EXT_shader_integer_mix_enable;
bool EXT_shader_integer_mix_warn;
bool EXT_shader_io_blocks_enable;

3
src/compiler/glsl/ir_function.cpp
View File

@@ -274,7 +274,8 @@ choose_best_inexact_overload(_mesa_glsl_parse_state *state,
* assume everything supported in any GLSL version is available.
*/
if (!state || state->is_version(400, 0) || state->ARB_gpu_shader5_enable ||
state->MESA_shader_integer_functions_enable) {
state->MESA_shader_integer_functions_enable ||
state->EXT_shader_implicit_conversions_enable) {
for (ir_function_signature **sig = matches; sig < matches + num_matches; sig++) {
if (is_best_inexact_overload(actual_parameters, matches, num_matches, *sig))
return *sig;