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glsl: Expose pack/unpack built-ins for ARB_gpu_shader5.

Browse source 
ARB_gpu_shader5 and ES 3.0 expose different subsets of
ARB_shading_language_packing.

Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner 2014-03-11 12:36:04 -07:00
parent 651b8baa82
commit 7988b4804f
1 changed files with 21 additions and 13 deletions
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34
src/glsl/builtin_functions.cpp
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@ -193,13 +193,6 @@ shader_integer_mix(const _mesa_glsl_parse_state *state)
return v130(state) && state->EXT_shader_integer_mix_enable;
}
static bool
shader_packing(const _mesa_glsl_parse_state *state)
{
return state->ARB_shading_language_packing_enable ||
state->is_version(400, 0);
}
static bool
shader_packing_or_es3(const _mesa_glsl_parse_state *state)
{
@ -207,12 +200,27 @@ shader_packing_or_es3(const _mesa_glsl_parse_state *state)
state->is_version(400, 300);
}
static bool
shader_packing_or_es3_or_gpu_shader5(const _mesa_glsl_parse_state *state)
{
return state->ARB_shading_language_packing_enable ||
state->ARB_gpu_shader5_enable ||
state->is_version(400, 300);
}
static bool
gpu_shader5(const _mesa_glsl_parse_state *state)
{
return state->is_version(400, 0) || state->ARB_gpu_shader5_enable;
}
static bool
shader_packing_or_gpu_shader5(const _mesa_glsl_parse_state *state)
{
return state->ARB_shading_language_packing_enable ||
gpu_shader5(state);
}
static bool
texture_array_lod(const _mesa_glsl_parse_state *state)
{
@ -991,14 +999,14 @@ builtin_builder::create_builtins()
_uintBitsToFloat(glsl_type::uvec4_type),
NULL);
add_function("packUnorm2x16", _packUnorm2x16(shader_packing_or_es3), NULL);
add_function("packUnorm2x16", _packUnorm2x16(shader_packing_or_es3_or_gpu_shader5), NULL);
add_function("packSnorm2x16", _packSnorm2x16(shader_packing_or_es3), NULL);
add_function("packUnorm4x8", _packUnorm4x8(shader_packing), NULL);
add_function("packSnorm4x8", _packSnorm4x8(shader_packing), NULL);
add_function("unpackUnorm2x16", _unpackUnorm2x16(shader_packing_or_es3), NULL);
add_function("packUnorm4x8", _packUnorm4x8(shader_packing_or_gpu_shader5), NULL);
add_function("packSnorm4x8", _packSnorm4x8(shader_packing_or_gpu_shader5), NULL);
add_function("unpackUnorm2x16", _unpackUnorm2x16(shader_packing_or_es3_or_gpu_shader5), NULL);
add_function("unpackSnorm2x16", _unpackSnorm2x16(shader_packing_or_es3), NULL);
add_function("unpackUnorm4x8", _unpackUnorm4x8(shader_packing), NULL);
add_function("unpackSnorm4x8", _unpackSnorm4x8(shader_packing), NULL);
add_function("unpackUnorm4x8", _unpackUnorm4x8(shader_packing_or_gpu_shader5), NULL);
add_function("unpackSnorm4x8", _unpackSnorm4x8(shader_packing_or_gpu_shader5), NULL);
add_function("packHalf2x16", _packHalf2x16(shader_packing_or_es3), NULL);
add_function("unpackHalf2x16", _unpackHalf2x16(shader_packing_or_es3), NULL);