From 2526c818c6aa9211968fc6194f8cbd7f2cfd850d Mon Sep 17 00:00:00 2001 From: Tomeu Vizoso Date: Thu, 12 Jul 2012 10:06:32 +0200 Subject: [PATCH] Add support for OES_standard_derivatives in GLSL ES Previously, we advertised the extension but the builtin functions were enabled only for GLSL and not for ES. https://bugs.freedesktop.org/show_bug.cgi?id=52003 --- .../profiles/OES_standard_derivatives.frag | 20 ++++++++++++++++++++ src/glsl/glsl_parser_extras.cpp | 1 + src/glsl/glsl_parser_extras.h | 2 ++ 3 files changed, 23 insertions(+) create mode 100644 src/glsl/builtins/profiles/OES_standard_derivatives.frag diff --git a/src/glsl/builtins/profiles/OES_standard_derivatives.frag b/src/glsl/builtins/profiles/OES_standard_derivatives.frag new file mode 100644 index 0000000..2c6ea07 --- /dev/null +++ b/src/glsl/builtins/profiles/OES_standard_derivatives.frag @@ -0,0 +1,20 @@ +#version 100 +#extension GL_OES_standard_derivatives : enable + +/* + * 8.8 - Fragment Processing Functions + */ +float dFdx(float p); +vec2 dFdx(vec2 p); +vec3 dFdx(vec3 p); +vec4 dFdx(vec4 p); + +float dFdy(float p); +vec2 dFdy(vec2 p); +vec3 dFdy(vec3 p); +vec4 dFdy(vec4 p); + +float fwidth(float p); +vec2 fwidth(vec2 p); +vec3 fwidth(vec3 p); +vec4 fwidth(vec4 p); diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp index d9ee406..45e92d2 100644 --- a/src/glsl/glsl_parser_extras.cpp +++ b/src/glsl/glsl_parser_extras.cpp @@ -297,6 +297,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = { EXT(OES_EGL_image_external, true, false, true, false, true, OES_EGL_image_external), EXT(ARB_shader_bit_encoding, true, true, true, true, false, ARB_shader_bit_encoding), EXT(ARB_uniform_buffer_object, true, false, true, true, false, ARB_uniform_buffer_object), + EXT(OES_standard_derivatives, false, false, true, false, true, OES_standard_derivatives), }; #undef EXT diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h index d97217e..5e32289 100644 --- a/src/glsl/glsl_parser_extras.h +++ b/src/glsl/glsl_parser_extras.h @@ -209,6 +209,8 @@ struct _mesa_glsl_parse_state { bool ARB_shader_bit_encoding_warn; bool ARB_uniform_buffer_object_enable; bool ARB_uniform_buffer_object_warn; + bool OES_standard_derivatives_enable; + bool OES_standard_derivatives_warn; /*@}*/ /** Extensions supported by the OpenGL implementation. */ -- 1.7.10.4