mesa: Compute extension string according to API

We can now stop special casing glGetString() and drop specials_es*.c.

5 files changed, 113 insertions, 324 deletions

diff --git a/src/mesa/es/main/APIspec.xml b/src/mesa/es/main/APIspec.xml
index 17665d8df5..7e77eb74d5 100644
--- a/src/mesa/es/main/APIspec.xml
+++ b/src/mesa/es/main/APIspec.xml
@@ -3955,7 +3955,7 @@
 	<function name="GetMaterialfv" template="GetMaterial" gltype="GLfloat"/>
 	<function name="GetMaterialxv" template="GetMaterial" gltype="GLfixed"/>
 
-	<function name="GetString" external="true" template="GetString"/>
+	<function name="GetString" template="GetString"/>
 
 	<function name="GetTexEnvfv" template="GetTexEnv" gltype="GLfloat"/>
 	<function name="GetTexEnviv" template="GetTexEnv" gltype="GLint"/>
@@ -4178,7 +4178,7 @@
 	<function name="GetFloatv" template="GetState" gltype="GLfloat"/>
 	<function name="GetIntegerv" template="GetState" gltype="GLint"/>
 
-	<function name="GetString" external="true" template="GetString"/>
+	<function name="GetString" template="GetString"/>
 
 	<function name="GetTexParameterfv" template="GetTexParameter" gltype="GLfloat"/>
 	<function name="GetTexParameteriv" template="GetTexParameter" gltype="GLint"/>
diff --git a/src/mesa/es/main/specials_es1.c b/src/mesa/es/main/specials_es1.c
deleted file mode 100644
index 37a5943490..0000000000
--- a/src/mesa/es/main/specials_es1.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * TUNGSTEN GRAPHICS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- **************************************************************************/
-
-
-#include "main/mtypes.h"
-#include "main/context.h"
-#include "main/imports.h"
-#include "main/get.h"
-
-
-extern const GLubyte * GLAPIENTRY _es_GetString(GLenum name);
-
-
-static size_t
-append_extension(char **str, const char *ext)
-{
-   char *s = *str;
-   size_t len = strlen(ext);
-
-   if (s) {
-      memcpy(s, ext, len);
-      s[len++] = ' ';
-      s[len] = '\0';
-
-      *str += len;
-   }
-   else {
-      len++;
-   }
-
-   return len;
-}
-
-
-static size_t
-make_extension_string(const GLcontext *ctx, char *str)
-{
-   size_t len = 0;
-
-   /* Core additions */
-   len += append_extension(&str, "GL_OES_byte_coordinates");
-   len += append_extension(&str, "GL_OES_fixed_point");
-   len += append_extension(&str, "GL_OES_single_precision");
-   len += append_extension(&str, "GL_OES_matrix_get");
-
-   /* 1.1 required extensions */
-   len += append_extension(&str, "GL_OES_read_format");
-   len += append_extension(&str, "GL_OES_compressed_paletted_texture");
-   len += append_extension(&str, "GL_OES_point_size_array");
-   len += append_extension(&str, "GL_OES_point_sprite");
-
-   /* 1.1 deprecated extensions */
-   len += append_extension(&str, "GL_OES_query_matrix");
-
-#if FEATURE_OES_draw_texture
-   if (ctx->Extensions.OES_draw_texture)
-      len += append_extension(&str, "GL_OES_draw_texture");
-#endif
-
-   if (ctx->Extensions.EXT_blend_equation_separate)
-      len += append_extension(&str, "GL_OES_blend_equation_separate");
-   if (ctx->Extensions.EXT_blend_func_separate)
-      len += append_extension(&str, "GL_OES_blend_func_separate");
-   if (ctx->Extensions.EXT_blend_subtract)
-      len += append_extension(&str, "GL_OES_blend_subtract");
-
-   if (ctx->Extensions.EXT_stencil_wrap)
-      len += append_extension(&str, "GL_OES_stencil_wrap");
-
-   if (ctx->Extensions.ARB_texture_cube_map)
-      len += append_extension(&str, "GL_OES_texture_cube_map");
-   if (ctx->Extensions.ARB_texture_env_crossbar)
-      len += append_extension(&str, "GL_OES_texture_env_crossbar");
-   if (ctx->Extensions.ARB_texture_mirrored_repeat)
-      len += append_extension(&str, "GL_OES_texture_mirrored_repeat");
-
-   if (ctx->Extensions.ARB_framebuffer_object) {
-      len += append_extension(&str, "GL_OES_framebuffer_object");
-      len += append_extension(&str, "GL_OES_depth24");
-      len += append_extension(&str, "GL_OES_depth32");
-      len += append_extension(&str, "GL_OES_fbo_render_mipmap");
-      len += append_extension(&str, "GL_OES_rgb8_rgba8");
-      len += append_extension(&str, "GL_OES_stencil1");
-      len += append_extension(&str, "GL_OES_stencil4");
-      len += append_extension(&str, "GL_OES_stencil8");
-   }
-
-   if (ctx->Extensions.EXT_vertex_array)
-      len += append_extension(&str, "GL_OES_element_index_uint");
-   if (ctx->Extensions.ARB_vertex_buffer_object)
-      len += append_extension(&str, "GL_OES_mapbuffer");
-   if (ctx->Extensions.EXT_texture_filter_anisotropic)
-      len += append_extension(&str, "GL_EXT_texture_filter_anisotropic");
-
-   /* some applications check this for NPOT support */
-   if (ctx->Extensions.ARB_texture_non_power_of_two)
-      len += append_extension(&str, "GL_ARB_texture_non_power_of_two");
-
-   if (ctx->Extensions.EXT_texture_compression_s3tc)
-      len += append_extension(&str, "GL_EXT_texture_compression_dxt1");
-   if (ctx->Extensions.EXT_texture_lod_bias)
-      len += append_extension(&str, "GL_EXT_texture_lod_bias");
-   if (ctx->Extensions.EXT_blend_minmax)
-      len += append_extension(&str, "GL_EXT_blend_minmax");
-   if (ctx->Extensions.EXT_multi_draw_arrays)
-      len += append_extension(&str, "GL_EXT_multi_draw_arrays");
-
-#if FEATURE_OES_EGL_image
-   if (ctx->Extensions.OES_EGL_image)
-      len += append_extension(&str, "GL_OES_EGL_image");
-#endif
-
-   return len;
-}
-
-
-static const GLubyte *
-compute_es_extensions(void)
-{
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (!ctx->Extensions.String) {
-      char *s;
-      unsigned int len;
-
-      len = make_extension_string(ctx, NULL);
-      s = (char *) malloc(len + 1);
-      if (!s)
-         return NULL;
-      make_extension_string(ctx, s);
-      ctx->Extensions.String = (const GLubyte *) s;
-   }
-
-   return ctx->Extensions.String;
-}
-
-
-const GLubyte * GLAPIENTRY
-_es_GetString(GLenum name)
-{
-   switch (name) {
-   case GL_EXTENSIONS:
-      return compute_es_extensions();
-   default:
-      return _mesa_GetString(name);
-   }
-}
diff --git a/src/mesa/es/main/specials_es2.c b/src/mesa/es/main/specials_es2.c
deleted file mode 100644
index ac499473a3..0000000000
--- a/src/mesa/es/main/specials_es2.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * TUNGSTEN GRAPHICS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- **************************************************************************/
-
-
-#include "main/mtypes.h"
-#include "main/context.h"
-#include "main/imports.h"
-#include "main/get.h"
-
-
-const GLubyte * GLAPIENTRY _es_GetString(GLenum name);
-
-
-static size_t
-append_extension(char **str, const char *ext)
-{
-   char *s = *str;
-   size_t len = strlen(ext);
-
-   if (s) {
-      memcpy(s, ext, len);
-      s[len++] = ' ';
-      s[len] = '\0';
-
-      *str += len;
-   }
-   else {
-      len++;
-   }
-
-   return len;
-}
-
-
-static size_t
-make_extension_string(const GLcontext *ctx, char *str)
-{
-   size_t len = 0;
-
-   len += append_extension(&str, "GL_OES_compressed_paletted_texture");
-
-   if (ctx->Extensions.ARB_framebuffer_object) {
-      len += append_extension(&str, "GL_OES_depth24");
-      len += append_extension(&str, "GL_OES_depth32");
-      len += append_extension(&str, "GL_OES_fbo_render_mipmap");
-      len += append_extension(&str, "GL_OES_rgb8_rgba8");
-      len += append_extension(&str, "GL_OES_stencil1");
-      len += append_extension(&str, "GL_OES_stencil4");
-   }
-
-   if (ctx->Extensions.EXT_vertex_array)
-      len += append_extension(&str, "GL_OES_element_index_uint");
-   if (ctx->Extensions.ARB_vertex_buffer_object)
-      len += append_extension(&str, "GL_OES_mapbuffer");
-
-   if (ctx->Extensions.EXT_texture3D)
-      len += append_extension(&str, "GL_OES_texture_3D");
-   if (ctx->Extensions.ARB_texture_non_power_of_two)
-      len += append_extension(&str, "GL_OES_texture_npot");
-   if (ctx->Extensions.EXT_texture_filter_anisotropic)
-      len += append_extension(&str, "GL_EXT_texture_filter_anisotropic");
-
-   len += append_extension(&str, "GL_EXT_texture_type_2_10_10_10_REV");
-   if (ctx->Extensions.ARB_depth_texture)
-      len += append_extension(&str, "GL_OES_depth_texture");
-   if (ctx->Extensions.EXT_packed_depth_stencil)
-      len += append_extension(&str, "GL_OES_packed_depth_stencil");
-   if (ctx->Extensions.ARB_fragment_shader)
-      len += append_extension(&str, "GL_OES_standard_derivatives");
-
-   if (ctx->Extensions.EXT_texture_compression_s3tc)
-      len += append_extension(&str, "GL_EXT_texture_compression_dxt1");
-   if (ctx->Extensions.EXT_blend_minmax)
-      len += append_extension(&str, "GL_EXT_blend_minmax");
-   if (ctx->Extensions.EXT_multi_draw_arrays)
-      len += append_extension(&str, "GL_EXT_multi_draw_arrays");
-
-#if FEATURE_OES_EGL_image
-   if (ctx->Extensions.OES_EGL_image)
-      len += append_extension(&str, "GL_OES_EGL_image");
-#endif
-
-   return len;
-}
-
-
-static const GLubyte *
-compute_es_extensions(void)
-{
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (!ctx->Extensions.String) {
-      char *s;
-      unsigned int len;
-
-      len = make_extension_string(ctx, NULL);
-      s = (char *) malloc(len + 1);
-      if (!s)
-         return NULL;
-      make_extension_string(ctx, s);
-      ctx->Extensions.String = (const GLubyte *) s;
-   }
-
-   return ctx->Extensions.String;
-}
-
-const GLubyte * GLAPIENTRY
-_es_GetString(GLenum name)
-{
-   switch (name) {
-   case GL_EXTENSIONS:
-      return compute_es_extensions();
-   default:
-      return _mesa_GetString(name);
-   }
-}
diff --git a/src/mesa/es/sources.mak b/src/mesa/es/sources.mak
index 55bb31b80d..b08069bce5 100644
--- a/src/mesa/es/sources.mak
+++ b/src/mesa/es/sources.mak
@@ -5,7 +5,6 @@ include $(MESA)/sources.mak
 LOCAL_ES1_SOURCES :=			\
 	main/api_exec_es1.c		\
 	main/get_es1.c			\
-	main/specials_es1.c		\
 	main/drawtex.c			\
 	main/es_cpaltex.c		\
 	main/es_enable.c		\
@@ -31,7 +30,6 @@ LOCAL_ES1_INCLUDES :=			\
 LOCAL_ES2_SOURCES :=			\
 	main/api_exec_es2.c		\
 	main/get_es2.c			\
-	main/specials_es2.c		\
 	main/es_cpaltex.c		\
 	main/es_fbo.c			\
 	main/stubs.c			\
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 30a51abbe7..4c8d4ccfa2 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -727,9 +727,9 @@ compute_extensions( GLcontext *ctx )
 }
 
 static size_t
-append_extension(char **str, const char *ext)
+append_extension(GLubyte **str, const char *ext)
 {
-   char *s = *str;
+   GLubyte *s = *str;
    size_t len = strlen(ext);
 
    if (s) {
@@ -748,7 +748,104 @@ append_extension(char **str, const char *ext)
 
 
 static size_t
-make_extension_string_es2(const GLcontext *ctx, char *str)
+make_extension_string_es1(const GLcontext *ctx, GLubyte *str)
+{
+   size_t len = 0;
+
+   /* Core additions */
+   len += append_extension(&str, "GL_OES_byte_coordinates");
+   len += append_extension(&str, "GL_OES_fixed_point");
+   len += append_extension(&str, "GL_OES_single_precision");
+   len += append_extension(&str, "GL_OES_matrix_get");
+
+   /* 1.1 required extensions */
+   len += append_extension(&str, "GL_OES_read_format");
+   len += append_extension(&str, "GL_OES_compressed_paletted_texture");
+   len += append_extension(&str, "GL_OES_point_size_array");
+   len += append_extension(&str, "GL_OES_point_sprite");
+
+   /* 1.1 deprecated extensions */
+   len += append_extension(&str, "GL_OES_query_matrix");
+
+#if FEATURE_OES_draw_texture
+   if (ctx->Extensions.OES_draw_texture)
+      len += append_extension(&str, "GL_OES_draw_texture");
+#endif
+
+   if (ctx->Extensions.EXT_blend_equation_separate)
+      len += append_extension(&str, "GL_OES_blend_equation_separate");
+   if (ctx->Extensions.EXT_blend_func_separate)
+      len += append_extension(&str, "GL_OES_blend_func_separate");
+   if (ctx->Extensions.EXT_blend_subtract)
+      len += append_extension(&str, "GL_OES_blend_subtract");
+
+   if (ctx->Extensions.EXT_stencil_wrap)
+      len += append_extension(&str, "GL_OES_stencil_wrap");
+
+   if (ctx->Extensions.ARB_texture_cube_map)
+      len += append_extension(&str, "GL_OES_texture_cube_map");
+   if (ctx->Extensions.ARB_texture_env_crossbar)
+      len += append_extension(&str, "GL_OES_texture_env_crossbar");
+   if (ctx->Extensions.ARB_texture_mirrored_repeat)
+      len += append_extension(&str, "GL_OES_texture_mirrored_repeat");
+
+   if (ctx->Extensions.ARB_framebuffer_object) {
+      len += append_extension(&str, "GL_OES_framebuffer_object");
+      len += append_extension(&str, "GL_OES_depth24");
+      len += append_extension(&str, "GL_OES_depth32");
+      len += append_extension(&str, "GL_OES_fbo_render_mipmap");
+      len += append_extension(&str, "GL_OES_rgb8_rgba8");
+      len += append_extension(&str, "GL_OES_stencil1");
+      len += append_extension(&str, "GL_OES_stencil4");
+      len += append_extension(&str, "GL_OES_stencil8");
+   }
+
+   if (ctx->Extensions.EXT_vertex_array)
+      len += append_extension(&str, "GL_OES_element_index_uint");
+   if (ctx->Extensions.ARB_vertex_buffer_object)
+      len += append_extension(&str, "GL_OES_mapbuffer");
+   if (ctx->Extensions.EXT_texture_filter_anisotropic)
+      len += append_extension(&str, "GL_EXT_texture_filter_anisotropic");
+
+   /* some applications check this for NPOT support */
+   if (ctx->Extensions.ARB_texture_non_power_of_two)
+      len += append_extension(&str, "GL_ARB_texture_non_power_of_two");
+
+   if (ctx->Extensions.EXT_texture_compression_s3tc)
+      len += append_extension(&str, "GL_EXT_texture_compression_dxt1");
+   if (ctx->Extensions.EXT_texture_lod_bias)
+      len += append_extension(&str, "GL_EXT_texture_lod_bias");
+   if (ctx->Extensions.EXT_blend_minmax)
+      len += append_extension(&str, "GL_EXT_blend_minmax");
+   if (ctx->Extensions.EXT_multi_draw_arrays)
+      len += append_extension(&str, "GL_EXT_multi_draw_arrays");
+
+#if FEATURE_OES_EGL_image
+   if (ctx->Extensions.OES_EGL_image)
+      len += append_extension(&str, "GL_OES_EGL_image");
+#endif
+
+   return len;
+}
+
+
+static GLubyte *
+compute_extensions_es1(const GLcontext *ctx)
+{
+   GLubyte *s;
+   unsigned int len;
+   
+   len = make_extension_string_es1(ctx, NULL);
+   s = malloc(len + 1);
+   if (!s)
+      return NULL;
+   make_extension_string_es1(ctx, s);
+   
+   return s;
+}
+
+static size_t
+make_extension_string_es2(const GLcontext *ctx, GLubyte *str)
 {
    size_t len = 0;
 
@@ -801,21 +898,19 @@ make_extension_string_es2(const GLcontext *ctx, char *str)
 static GLubyte *
 compute_extensions_es2(GLcontext *ctx)
 {
-   if (!ctx->Extensions.String) {
-      char *s;
-      unsigned int len;
-
-      len = make_extension_string_es2(ctx, NULL);
-      s = (char *) malloc(len + 1);
-      if (!s)
-         return NULL;
-      make_extension_string_es2(ctx, s);
-      ctx->Extensions.String = (const GLubyte *) s;
-   }
+   GLubyte *s;
+   unsigned int len;
 
-   return ctx->Extensions.String;
+   len = make_extension_string_es2(ctx, NULL);
+   s = malloc(len + 1);
+   if (!s)
+      return NULL;
+   make_extension_string_es2(ctx, s);
+   
+   return s;
 }
 
+
 GLubyte *
 _mesa_make_extension_string(GLcontext *ctx)
 {
@@ -825,6 +920,7 @@ _mesa_make_extension_string(GLcontext *ctx)
    case API_OPENGLES2:
       return compute_extensions_es2(ctx);
    case API_OPENGLES:
+      return compute_extensions_es1(ctx);
    default:
       assert(0);
       return NULL;