[Mesa-dev] [PATCH] glsl/es31:Allow GL_ARB_TEXTURE_MULTISAMPLE in GLSL ES 3.10

Ilia Mirkin imirkin at alum.mit.edu
Tue May 12 08:00:21 PDT 2015


On Tue, May 12, 2015 at 10:53 AM, Marta Lofstedt
<marta.lofstedt at linux.intel.com> wrote:
> From: Marta Lofstedt <marta.lofstedt at intel.com>
>
> Signed-off-by: Marta Lofstedt <marta.lofstedt at intel.com>
> ---
>  src/glsl/builtin_functions.cpp |  3 +--
>  src/glsl/builtin_types.cpp     |  2 +-
>  src/glsl/glsl_lexer.ll         | 13 +++++++------
>  src/glsl/glsl_parser_extras.h  |  5 +++++
>  4 files changed, 14 insertions(+), 9 deletions(-)
>
> diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp
> index 1df6956..76aff14 100644
> --- a/src/glsl/builtin_functions.cpp
> +++ b/src/glsl/builtin_functions.cpp
> @@ -270,8 +270,7 @@ texture_array(const _mesa_glsl_parse_state *state)
>  static bool
>  texture_multisample(const _mesa_glsl_parse_state *state)
>  {
> -   return state->is_version(150, 0) ||
> -          state->ARB_texture_multisample_enable;
> +   return state->has_texture_multisample();
>  }
>
>  static bool
> diff --git a/src/glsl/builtin_types.cpp b/src/glsl/builtin_types.cpp
> index d92e2eb..9968f7c 100644
> --- a/src/glsl/builtin_types.cpp
> +++ b/src/glsl/builtin_types.cpp
> @@ -307,7 +307,7 @@ _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state)
>        add_type(symbols, glsl_type::usamplerCubeArray_type);
>     }
>
> -   if (state->ARB_texture_multisample_enable) {
> +   if (state->has_texture_multisample()) {

Oooh, nice catch! This was previously going to not auto-add the types
for GLSL 1.50!

>        add_type(symbols, glsl_type::sampler2DMS_type);
>        add_type(symbols, glsl_type::isampler2DMS_type);
>        add_type(symbols, glsl_type::usampler2DMS_type);
> diff --git a/src/glsl/glsl_lexer.ll b/src/glsl/glsl_lexer.ll
> index 10db5b8..3597435 100644
> --- a/src/glsl/glsl_lexer.ll
> +++ b/src/glsl/glsl_lexer.ll
> @@ -341,12 +341,13 @@ usampler2DArray           KEYWORD(130, 300, 130, 300, USAMPLER2DARRAY);
>
>     /* additional keywords in ARB_texture_multisample, included in GLSL 1.50 */
>     /* these are reserved but not defined in GLSL 3.00 */
> -sampler2DMS        KEYWORD_WITH_ALT(150, 300, 150, 0, yyextra->ARB_texture_multisample_enable, SAMPLER2DMS);
> -isampler2DMS       KEYWORD_WITH_ALT(150, 300, 150, 0, yyextra->ARB_texture_multisample_enable, ISAMPLER2DMS);
> -usampler2DMS       KEYWORD_WITH_ALT(150, 300, 150, 0, yyextra->ARB_texture_multisample_enable, USAMPLER2DMS);
> -sampler2DMSArray   KEYWORD_WITH_ALT(150, 300, 150, 0, yyextra->ARB_texture_multisample_enable, SAMPLER2DMSARRAY);
> -isampler2DMSArray  KEYWORD_WITH_ALT(150, 300, 150, 0, yyextra->ARB_texture_multisample_enable, ISAMPLER2DMSARRAY);
> -usampler2DMSArray  KEYWORD_WITH_ALT(150, 300, 150, 0, yyextra->ARB_texture_multisample_enable, USAMPLER2DMSARRAY);
> +   /* these are needed for GLES 3.1 */
> +sampler2DMS        KEYWORD_WITH_ALT(150, 300, 150, 310, yyextra->ARB_texture_multisample_enable, SAMPLER2DMS);
> +isampler2DMS       KEYWORD_WITH_ALT(150, 300, 150, 310, yyextra->ARB_texture_multisample_enable, ISAMPLER2DMS);
> +usampler2DMS       KEYWORD_WITH_ALT(150, 300, 150, 310, yyextra->ARB_texture_multisample_enable, USAMPLER2DMS);
> +sampler2DMSArray   KEYWORD_WITH_ALT(150, 300, 150, 310, yyextra->ARB_texture_multisample_enable, SAMPLER2DMSARRAY);
> +isampler2DMSArray  KEYWORD_WITH_ALT(150, 300, 150, 310, yyextra->ARB_texture_multisample_enable, ISAMPLER2DMSARRAY);
> +usampler2DMSArray  KEYWORD_WITH_ALT(150, 300, 150, 310, yyextra->ARB_texture_multisample_enable, USAMPLER2DMSARRAY);
>
>     /* keywords available with ARB_texture_cube_map_array_enable extension on desktop GLSL */
>  samplerCubeArray   KEYWORD_WITH_ALT(400, 0, 400, 0, yyextra->ARB_texture_cube_map_array_enable, SAMPLERCUBEARRAY);
> diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
> index 4612071..ce78622 100644
> --- a/src/glsl/glsl_parser_extras.h
> +++ b/src/glsl/glsl_parser_extras.h
> @@ -221,6 +221,11 @@ struct _mesa_glsl_parse_state {
>           || EXT_separate_shader_objects_enable;
>     }
>
> +   bool has_texture_multisample() const
> +   {
> +      return ARB_texture_multisample_enable || is_version(410, 310);

This should certainly be is_version(150, 310) right?

> +   }
> +
>     bool has_double() const
>     {
>        return ARB_gpu_shader_fp64_enable || is_version(400, 0);
> --
> 1.9.1
>
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