mesa: add OES_EGL_image_external_essl3 support

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>

6 files changed, 24 insertions, 2 deletions

diff --git a/src/compiler/glsl/builtin_functions.cpp b/src/compiler/glsl/builtin_functions.cpp
index 530cdc0264c..293e8bd638f 100644
--- a/src/compiler/glsl/builtin_functions.cpp
+++ b/src/compiler/glsl/builtin_functions.cpp
@@ -188,6 +188,14 @@ texture_external(const _mesa_glsl_parse_state *state)
    return state->OES_EGL_image_external_enable;
 }
 
+static bool
+texture_external_es3(const _mesa_glsl_parse_state *state)
+{
+   return state->OES_EGL_image_external_essl3_enable &&
+      state->es_shader &&
+      state->is_version(0, 300);
+}
+
 /** True if texturing functions with explicit LOD are allowed. */
 static bool
 lod_exists_in_stage(const _mesa_glsl_parse_state *state)
@@ -1919,6 +1927,8 @@ builtin_builder::create_builtins()
 
                 _texture(ir_tex, v130, glsl_type::float_type, glsl_type::sampler2DRectShadow_type, glsl_type::vec3_type),
 
+                _texture(ir_tex, texture_external_es3, glsl_type::vec4_type,  glsl_type::samplerExternalOES_type, glsl_type::vec2_type),
+
                 _texture(ir_txb, v130_fs_only, glsl_type::vec4_type,  glsl_type::sampler1D_type,  glsl_type::float_type),
                 _texture(ir_txb, v130_fs_only, glsl_type::ivec4_type, glsl_type::isampler1D_type, glsl_type::float_type),
                 _texture(ir_txb, v130_fs_only, glsl_type::uvec4_type, glsl_type::usampler1D_type, glsl_type::float_type),
@@ -2078,6 +2088,9 @@ builtin_builder::create_builtins()
 
                 _texture(ir_tex, v130, glsl_type::vec4_type,  glsl_type::sampler2DRect_type,  glsl_type::vec3_type, TEX_PROJECT),
                 _texture(ir_tex, v130, glsl_type::ivec4_type, glsl_type::isampler2DRect_type, glsl_type::vec3_type, TEX_PROJECT),
+                _texture(ir_tex, texture_external_es3, glsl_type::vec4_type,  glsl_type::samplerExternalOES_type, glsl_type::vec3_type, TEX_PROJECT),
+                _texture(ir_tex, texture_external_es3, glsl_type::vec4_type,  glsl_type::samplerExternalOES_type, glsl_type::vec4_type, TEX_PROJECT),
+
                 _texture(ir_tex, v130, glsl_type::uvec4_type, glsl_type::usampler2DRect_type, glsl_type::vec3_type, TEX_PROJECT),
                 _texture(ir_tex, v130, glsl_type::vec4_type,  glsl_type::sampler2DRect_type,  glsl_type::vec4_type, TEX_PROJECT),
                 _texture(ir_tex, v130, glsl_type::ivec4_type, glsl_type::isampler2DRect_type, glsl_type::vec4_type, TEX_PROJECT),
@@ -2143,8 +2156,12 @@ builtin_builder::create_builtins()
                 _texelFetch(texture_multisample_array, glsl_type::vec4_type,  glsl_type::sampler2DMSArray_type,  glsl_type::ivec3_type),
                 _texelFetch(texture_multisample_array, glsl_type::ivec4_type, glsl_type::isampler2DMSArray_type, glsl_type::ivec3_type),
                 _texelFetch(texture_multisample_array, glsl_type::uvec4_type, glsl_type::usampler2DMSArray_type, glsl_type::ivec3_type),
+
+                _texelFetch(texture_external_es3, glsl_type::vec4_type,  glsl_type::samplerExternalOES_type, glsl_type::ivec2_type),
+
                 NULL);
 
+
    add_function("texelFetchOffset",
                 _texelFetch(v130, glsl_type::vec4_type,  glsl_type::sampler1D_type,  glsl_type::int_type, glsl_type::int_type),
                 _texelFetch(v130, glsl_type::ivec4_type, glsl_type::isampler1D_type, glsl_type::int_type, glsl_type::int_type),
diff --git a/src/compiler/glsl/builtin_types.cpp b/src/compiler/glsl/builtin_types.cpp
index cae972b5b34..b64f75779bc 100644
--- a/src/compiler/glsl/builtin_types.cpp
+++ b/src/compiler/glsl/builtin_types.cpp
@@ -331,7 +331,8 @@ _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state)
       add_type(symbols, glsl_type::sampler2DArrayShadow_type);
    }
 
-   if (state->OES_EGL_image_external_enable) {
+   if (state->OES_EGL_image_external_enable ||
+       state->OES_EGL_image_external_essl3_enable) {
       add_type(symbols, glsl_type::samplerExternalOES_type);
    }
 
diff --git a/src/compiler/glsl/glsl_lexer.ll b/src/compiler/glsl/glsl_lexer.ll
index d2278ba01d6..4b36574b73a 100644
--- a/src/compiler/glsl/glsl_lexer.ll
+++ b/src/compiler/glsl/glsl_lexer.ll
@@ -427,7 +427,7 @@ usamplerCubeArray TYPE_WITH_ALT(400, 310, 400, 320, yyextra->ARB_texture_cube_ma
 samplerCubeArrayShadow   TYPE_WITH_ALT(400, 310, 400, 320, yyextra->ARB_texture_cube_map_array_enable || yyextra->OES_texture_cube_map_array_enable || yyextra->EXT_texture_cube_map_array_enable, glsl_type::samplerCubeArrayShadow_type);
 
 samplerExternalOES		{
-			  if (yyextra->OES_EGL_image_external_enable) {
+			  if (yyextra->OES_EGL_image_external_enable || yyextra->OES_EGL_image_external_essl3_enable) {
 			     yylval->type = glsl_type::samplerExternalOES_type;
 			     return BASIC_TYPE_TOK;
 			  } else
diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp
index 2e69fa95a54..d99916d8ada 100644
--- a/src/compiler/glsl/glsl_parser_extras.cpp
+++ b/src/compiler/glsl/glsl_parser_extras.cpp
@@ -670,6 +670,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    /* OES extensions go here, sorted alphabetically.
     */
    EXT(OES_EGL_image_external),
+   EXT(OES_EGL_image_external_essl3),
    EXT(OES_geometry_point_size),
    EXT(OES_geometry_shader),
    EXT(OES_gpu_shader5),
diff --git a/src/compiler/glsl/glsl_parser_extras.h b/src/compiler/glsl/glsl_parser_extras.h
index 2e98bc72e74..508befd4606 100644
--- a/src/compiler/glsl/glsl_parser_extras.h
+++ b/src/compiler/glsl/glsl_parser_extras.h
@@ -711,6 +711,8 @@ struct _mesa_glsl_parse_state {
     */
    bool OES_EGL_image_external_enable;
    bool OES_EGL_image_external_warn;
+   bool OES_EGL_image_external_essl3_enable;
+   bool OES_EGL_image_external_essl3_warn;
    bool OES_geometry_point_size_enable;
    bool OES_geometry_point_size_warn;
    bool OES_geometry_shader_enable;
diff --git a/src/mesa/main/extensions_table.h b/src/mesa/main/extensions_table.h
index 4f3e040ac35..f4925ed442b 100644
--- a/src/mesa/main/extensions_table.h
+++ b/src/mesa/main/extensions_table.h
@@ -352,6 +352,7 @@ EXT(NV_vdpau_interop                        , NV_vdpau_interop
 
 EXT(OES_EGL_image                           , OES_EGL_image                          , GLL, GLC, ES1, ES2, 2006) /* FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
 EXT(OES_EGL_image_external                  , OES_EGL_image_external                 ,  x ,  x , ES1, ES2, 2010)
+EXT(OES_EGL_image_external_essl3            , OES_EGL_image_external                 ,  x ,  x ,  x ,  30, 2015)
 EXT(OES_EGL_sync                            , dummy_true                             ,  x ,  x , ES1, ES2, 2010)
 EXT(OES_blend_equation_separate             , EXT_blend_equation_separate            ,  x ,  x , ES1,  x , 2009)
 EXT(OES_blend_func_separate                 , EXT_blend_func_separate                ,  x ,  x , ES1,  x , 2009)