mesa: Expose EXT_texture_query_lod and add support for its use shaders

EXT_texture_query_lod provides the same functionality for GLES like
the ARB extension with the same name for GL.

v2: Set ES 3.0 as minimum GLES version as required by the extension

Signed-off-by: Gert Wollny <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>

3 files changed, 5 insertions, 1 deletions

diff --git a/src/compiler/glsl/builtin_functions.cpp b/src/compiler/glsl/builtin_functions.cpp
index 0f747b94757..aba1a14bd90 100644
--- a/src/compiler/glsl/builtin_functions.cpp
+++ b/src/compiler/glsl/builtin_functions.cpp
@@ -405,7 +405,8 @@ static bool
 texture_query_lod(const _mesa_glsl_parse_state *state)
 {
    return state->stage == MESA_SHADER_FRAGMENT &&
-          state->ARB_texture_query_lod_enable;
+          (state->ARB_texture_query_lod_enable ||
+           state->EXT_texture_query_lod_enable);
 }
 
 static bool
diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp
index bde93dd3f37..fd3e9e55af1 100644
--- a/src/compiler/glsl/glsl_parser_extras.cpp
+++ b/src/compiler/glsl/glsl_parser_extras.cpp
@@ -730,6 +730,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    EXT(EXT_texture_array),
    EXT_AEP(EXT_texture_buffer),
    EXT_AEP(EXT_texture_cube_map_array),
+   EXT(EXT_texture_query_lod),
    EXT(INTEL_conservative_rasterization),
    EXT(INTEL_shader_atomic_float_minmax),
    EXT(MESA_shader_integer_functions),
diff --git a/src/compiler/glsl/glsl_parser_extras.h b/src/compiler/glsl/glsl_parser_extras.h
index b17b5125e0b..f404efd9610 100644
--- a/src/compiler/glsl/glsl_parser_extras.h
+++ b/src/compiler/glsl/glsl_parser_extras.h
@@ -834,6 +834,8 @@ struct _mesa_glsl_parse_state {
    bool EXT_texture_buffer_warn;
    bool EXT_texture_cube_map_array_enable;
    bool EXT_texture_cube_map_array_warn;
+   bool EXT_texture_query_lod_enable;
+   bool EXT_texture_query_lod_warn;
    bool INTEL_conservative_rasterization_enable;
    bool INTEL_conservative_rasterization_warn;
    bool INTEL_shader_atomic_float_minmax_enable;