mesa: don't cast away const
[mesa.git] / src / mesa / main / extensions.c
index 7d1956e7c34fd06136d18b61ccdc5f0427640701..5f2c74a758e7681624f2988ba2c94a8a35a1e9db 100644 (file)
@@ -81,11 +81,12 @@ static const struct extension extension_table[] = {
    { "GL_ARB_blend_func_extended",                 o(ARB_blend_func_extended),                 GL,             2009 },
    { "GL_ARB_color_buffer_float",                  o(ARB_color_buffer_float),                  GL,             2004 },
    { "GL_ARB_copy_buffer",                         o(ARB_copy_buffer),                         GL,             2008 },
-   { "GL_ARB_conservative_depth",                  o(AMD_conservative_depth),                  GL,             2011 },
+   { "GL_ARB_conservative_depth",                  o(ARB_conservative_depth),                  GL,             2011 },
+   { "GL_ARB_debug_output",                        o(dummy_true),                              GL,             2009 },
    { "GL_ARB_depth_buffer_float",                  o(ARB_depth_buffer_float),                  GL,             2008 },
    { "GL_ARB_depth_clamp",                         o(ARB_depth_clamp),                         GL,             2003 },
    { "GL_ARB_depth_texture",                       o(ARB_depth_texture),                       GL,             2001 },
-   { "GL_ARB_draw_buffers",                        o(ARB_draw_buffers),                        GL,             2002 },
+   { "GL_ARB_draw_buffers",                        o(dummy_true),                              GL,             2002 },
    { "GL_ARB_draw_buffers_blend",                  o(ARB_draw_buffers_blend),                  GL,             2009 },
    { "GL_ARB_draw_elements_base_vertex",           o(ARB_draw_elements_base_vertex),           GL,             2009 },
    { "GL_ARB_draw_instanced",                      o(ARB_draw_instanced),                      GL,             2008 },
@@ -128,12 +129,13 @@ static const struct extension extension_table[] = {
    { "GL_ARB_texture_env_crossbar",                o(ARB_texture_env_crossbar),                GL,             2001 },
    { "GL_ARB_texture_env_dot3",                    o(ARB_texture_env_dot3),                    GL,             2001 },
    { "GL_ARB_texture_float",                       o(ARB_texture_float),                       GL,             2004 },
-   { "GL_ARB_texture_mirrored_repeat",             o(ARB_texture_mirrored_repeat),             GL,             2001 },
+   { "GL_ARB_texture_mirrored_repeat",             o(dummy_true),                              GL,             2001 },
    { "GL_ARB_texture_multisample",                 o(ARB_texture_multisample),                 GL,             2009 },
    { "GL_ARB_texture_non_power_of_two",            o(ARB_texture_non_power_of_two),            GL,             2003 },
    { "GL_ARB_texture_rectangle",                   o(NV_texture_rectangle),                    GL,             2004 },
    { "GL_ARB_texture_rgb10_a2ui",                  o(ARB_texture_rgb10_a2ui),                  GL,             2009 },
    { "GL_ARB_texture_rg",                          o(ARB_texture_rg),                          GL,             2008 },
+   { "GL_ARB_texture_storage",                     o(ARB_texture_storage),                     GL,             2011 },
    { "GL_ARB_texture_swizzle",                     o(EXT_texture_swizzle),                     GL,             2008 },
    { "GL_ARB_transform_feedback2",                 o(ARB_transform_feedback2),                 GL,             2010 },
    { "GL_ARB_transpose_matrix",                    o(ARB_transpose_matrix),                    GL,             1999 },
@@ -152,7 +154,7 @@ static const struct extension extension_table[] = {
    { "GL_EXT_blend_equation_separate",             o(EXT_blend_equation_separate),             GL,             2003 },
    { "GL_EXT_blend_func_separate",                 o(EXT_blend_func_separate),                 GL,             1999 },
    { "GL_EXT_blend_minmax",                        o(EXT_blend_minmax),                        GL | ES1 | ES2, 1995 },
-   { "GL_EXT_blend_subtract",                      o(EXT_blend_subtract),                      GL,             1995 },
+   { "GL_EXT_blend_subtract",                      o(dummy_true),                              GL,             1995 },
    { "GL_EXT_clip_volume_hint",                    o(EXT_clip_volume_hint),                    GL,             1996 },
    { "GL_EXT_compiled_vertex_array",               o(EXT_compiled_vertex_array),               GL,             1996 },
    { "GL_EXT_copy_texture",                        o(dummy_true),                              GL,             1995 },
@@ -181,7 +183,7 @@ static const struct extension extension_table[] = {
    { "GL_EXT_separate_specular_color",             o(EXT_separate_specular_color),             GL,             1997 },
    { "GL_EXT_shadow_funcs",                        o(EXT_shadow_funcs),                        GL,             2002 },
    { "GL_EXT_stencil_two_side",                    o(EXT_stencil_two_side),                    GL,             2001 },
-   { "GL_EXT_stencil_wrap",                        o(EXT_stencil_wrap),                        GL,             2002 },
+   { "GL_EXT_stencil_wrap",                        o(dummy_true),                              GL,             2002 },
    { "GL_EXT_subtexture",                          o(dummy_true),                              GL,             1995 },
    { "GL_EXT_texture3D",                           o(EXT_texture3D),                           GL,             1996 },
    { "GL_EXT_texture_array",                       o(EXT_texture_array),                       GL,             2006 },
@@ -196,8 +198,9 @@ static const struct extension extension_table[] = {
    { "GL_EXT_texture_env_dot3",                    o(EXT_texture_env_dot3),                    GL,             2000 },
    { "GL_EXT_texture_filter_anisotropic",          o(EXT_texture_filter_anisotropic),          GL | ES1 | ES2, 1999 },
    { "GL_EXT_texture_format_BGRA8888",             o(dummy_true),                                   ES1 | ES2, 2005 },
+   { "GL_EXT_read_format_bgra",                    o(dummy_true),                                   ES1 | ES2, 2009 },
    { "GL_EXT_texture_integer",                     o(EXT_texture_integer),                     GL,             2006 },
-   { "GL_EXT_texture_lod_bias",                    o(EXT_texture_lod_bias),                    GL | ES1,       1999 },
+   { "GL_EXT_texture_lod_bias",                    o(dummy_true),                              GL | ES1,       1999 },
    { "GL_EXT_texture_mirror_clamp",                o(EXT_texture_mirror_clamp),                GL,             2004 },
    { "GL_EXT_texture_object",                      o(dummy_true),                              GL,             1995 },
    { "GL_EXT_texture",                             o(dummy_true),                              GL,             1996 },
@@ -210,14 +213,16 @@ static const struct extension extension_table[] = {
    { "GL_EXT_texture_type_2_10_10_10_REV",         o(dummy_true),                                         ES2, 2008 },
    { "GL_EXT_timer_query",                         o(EXT_timer_query),                         GL,             2006 },
    { "GL_EXT_transform_feedback",                  o(EXT_transform_feedback),                  GL,             2011 },
+   { "GL_EXT_unpack_subimage",                     o(dummy_true),                                         ES2, 2011 },
    { "GL_EXT_vertex_array_bgra",                   o(EXT_vertex_array_bgra),                   GL,             2008 },
    { "GL_EXT_vertex_array",                        o(dummy_true),                              GL,             1995 },
 
    /* OES extensions */
    { "GL_OES_blend_equation_separate",             o(EXT_blend_equation_separate),                  ES1,       2009 },
    { "GL_OES_blend_func_separate",                 o(EXT_blend_func_separate),                      ES1,       2009 },
-   { "GL_OES_blend_subtract",                      o(EXT_blend_subtract),                           ES1,       2009 },
+   { "GL_OES_blend_subtract",                      o(dummy_true),                                   ES1,       2009 },
    { "GL_OES_byte_coordinates",                    o(dummy_true),                                   ES1,       2002 },
+   { "GL_OES_compressed_ETC1_RGB8_texture",        o(OES_compressed_ETC1_RGB8_texture),             ES1 | ES2, 2005 },
    { "GL_OES_compressed_paletted_texture",         o(dummy_true),                                   ES1,       2003 },
    { "GL_OES_depth24",                             o(EXT_framebuffer_object),                       ES1 | ES2, 2005 },
    { "GL_OES_depth32",                             o(dummy_false),                     DISABLE,                2005 },
@@ -228,6 +233,7 @@ static const struct extension extension_table[] = {
 #if FEATURE_OES_EGL_image
    /*  FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
    { "GL_OES_EGL_image",                           o(OES_EGL_image),                           GL | ES1 | ES2, 2006 },
+   { "GL_OES_EGL_image_external",                  o(OES_EGL_image_external),                       ES1 | ES2, 2010 },
 #endif
    { "GL_OES_element_index_uint",                  o(dummy_true),                                   ES1 | ES2, 2005 },
    { "GL_OES_fbo_render_mipmap",                   o(EXT_framebuffer_object),                       ES1 | ES2, 2005 },
@@ -246,16 +252,16 @@ static const struct extension extension_table[] = {
    { "GL_OES_stencil1",                            o(dummy_false),                     DISABLE,                2005 },
    { "GL_OES_stencil4",                            o(dummy_false),                     DISABLE,                2005 },
    { "GL_OES_stencil8",                            o(EXT_framebuffer_object),                       ES1 | ES2, 2005 },
-   { "GL_OES_stencil_wrap",                        o(EXT_stencil_wrap),                             ES1,       2002 },
+   { "GL_OES_stencil_wrap",                        o(dummy_true),                                   ES1,       2002 },
    { "GL_OES_texture_3D",                          o(EXT_texture3D),                                      ES2, 2005 },
    { "GL_OES_texture_cube_map",                    o(ARB_texture_cube_map),                         ES1,       2007 },
    { "GL_OES_texture_env_crossbar",                o(ARB_texture_env_crossbar),                     ES1,       2005 },
-   { "GL_OES_texture_mirrored_repeat",             o(ARB_texture_mirrored_repeat),                  ES1,       2005 },
+   { "GL_OES_texture_mirrored_repeat",             o(dummy_true),                                   ES1,       2005 },
    { "GL_OES_texture_npot",                        o(ARB_texture_non_power_of_two),                       ES2, 2005 },
 
    /* Vendor extensions */
    { "GL_3DFX_texture_compression_FXT1",           o(TDFX_texture_compression_FXT1),           GL,             1999 },
-   { "GL_AMD_conservative_depth",                  o(AMD_conservative_depth),                  GL,             2009 },
+   { "GL_AMD_conservative_depth",                  o(ARB_conservative_depth),                  GL,             2009 },
    { "GL_AMD_draw_buffers_blend",                  o(ARB_draw_buffers_blend),                  GL,             2009 },
    { "GL_AMD_seamless_cubemap_per_texture",        o(AMD_seamless_cubemap_per_texture),        GL,             2009 },
    { "GL_AMD_shader_stencil_export",               o(ARB_shader_stencil_export),               GL,             2009 },
@@ -263,7 +269,7 @@ static const struct extension extension_table[] = {
    { "GL_APPLE_packed_pixels",                     o(APPLE_packed_pixels),                     GL,             2002 },
    { "GL_APPLE_vertex_array_object",               o(APPLE_vertex_array_object),               GL,             2002 },
    { "GL_ATI_blend_equation_separate",             o(EXT_blend_equation_separate),             GL,             2003 },
-   { "GL_ATI_draw_buffers",                        o(ARB_draw_buffers),                        GL,             2002 },
+   { "GL_ATI_draw_buffers",                        o(dummy_true),                              GL,             2002 },
    { "GL_ATI_envmap_bumpmap",                      o(ATI_envmap_bumpmap),                      GL,             2001 },
    { "GL_ATI_fragment_shader",                     o(ATI_fragment_shader),                     GL,             2001 },
    { "GL_ATI_separate_stencil",                    o(ATI_separate_stencil),                    GL,             2006 },
@@ -273,7 +279,7 @@ static const struct extension extension_table[] = {
    { "GL_ATI_texture_mirror_once",                 o(ATI_texture_mirror_once),                 GL,             2006 },
    { "GL_IBM_multimode_draw_arrays",               o(IBM_multimode_draw_arrays),               GL,             1998 },
    { "GL_IBM_rasterpos_clip",                      o(IBM_rasterpos_clip),                      GL,             1996 },
-   { "GL_IBM_texture_mirrored_repeat",             o(ARB_texture_mirrored_repeat),             GL,             1998 },
+   { "GL_IBM_texture_mirrored_repeat",             o(dummy_true),                              GL,             1998 },
    { "GL_INGR_blend_func_separate",                o(EXT_blend_func_separate),                 GL,             1999 },
    { "GL_MESA_pack_invert",                        o(MESA_pack_invert),                        GL,             2002 },
    { "GL_MESA_resize_buffers",                     o(MESA_resize_buffers),                     GL,             1999 },
@@ -284,6 +290,9 @@ static const struct extension extension_table[] = {
    { "GL_NV_blend_square",                         o(NV_blend_square),                         GL,             1999 },
    { "GL_NV_conditional_render",                   o(NV_conditional_render),                   GL,             2008 },
    { "GL_NV_depth_clamp",                          o(ARB_depth_clamp),                         GL,             2001 },
+   { "GL_NV_draw_buffers",                         o(dummy_true),                                         ES2, 2011 },
+   { "GL_NV_fbo_color_attachments",                o(EXT_framebuffer_object),                             ES2, 2010 },
+   { "GL_NV_fog_distance",                         o(NV_fog_distance),                         GL,             2001 },
    { "GL_NV_fragment_program",                     o(NV_fragment_program),                     GL,             2001 },
    { "GL_NV_fragment_program_option",              o(NV_fragment_program_option),              GL,             2005 },
    { "GL_NV_light_max_exponent",                   o(NV_light_max_exponent),                   GL,             1999 },
@@ -341,7 +350,6 @@ name_to_offset(const char* name)
  */
 static const size_t default_extensions[] = {
    o(ARB_copy_buffer),
-   o(ARB_draw_buffers),
    o(ARB_transpose_matrix),
    o(ARB_window_pos),
 
@@ -376,7 +384,6 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
    ctx->Extensions.ARB_depth_clamp = GL_TRUE;
    ctx->Extensions.ARB_depth_texture = GL_TRUE;
-   /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
    ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
    ctx->Extensions.ARB_draw_instanced = GL_TRUE;
    ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
@@ -418,10 +425,10 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
    ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
    /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/
-   ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
    ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
    ctx->Extensions.ARB_texture_rg = GL_TRUE;
    ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE;
+   ctx->Extensions.ARB_texture_storage = GL_TRUE;
    ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
 #if FEATURE_ARB_vertex_program
    ctx->Extensions.ARB_vertex_program = GL_TRUE;
@@ -448,7 +455,6 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
    ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
    ctx->Extensions.EXT_blend_minmax = GL_TRUE;
-   ctx->Extensions.EXT_blend_subtract = GL_TRUE;
    ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
    ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
    ctx->Extensions.EXT_fog_coord = GL_TRUE;
@@ -469,14 +475,12 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
    ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
    ctx->Extensions.EXT_secondary_color = GL_TRUE;
-   ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
    ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
    ctx->Extensions.EXT_texture_array = GL_TRUE;
    ctx->Extensions.EXT_texture_compression_latc = GL_TRUE;
    ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
    ctx->Extensions.EXT_texture_filter_anisotropic = GL_TRUE;
    ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
-   ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
    ctx->Extensions.EXT_texture_shared_exponent = GL_TRUE;
 #if FEATURE_EXT_texture_sRGB
    ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
@@ -550,17 +554,13 @@ _mesa_enable_1_4_extensions(struct gl_context *ctx)
    ctx->Extensions.ARB_depth_texture = GL_TRUE;
    ctx->Extensions.ARB_shadow = GL_TRUE;
    ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
-   ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
    ctx->Extensions.ARB_window_pos = GL_TRUE;
    ctx->Extensions.EXT_blend_color = GL_TRUE;
    ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
    ctx->Extensions.EXT_blend_minmax = GL_TRUE;
-   ctx->Extensions.EXT_blend_subtract = GL_TRUE;
    ctx->Extensions.EXT_fog_coord = GL_TRUE;
    ctx->Extensions.EXT_point_parameters = GL_TRUE;
    ctx->Extensions.EXT_secondary_color = GL_TRUE;
-   ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
-   ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
 }
 
 
@@ -583,7 +583,6 @@ _mesa_enable_1_5_extensions(struct gl_context *ctx)
 void
 _mesa_enable_2_0_extensions(struct gl_context *ctx)
 {
-   /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
 #if FEATURE_ARB_fragment_shader
    ctx->Extensions.ARB_fragment_shader = GL_TRUE;
 #endif
@@ -751,6 +750,8 @@ get_extension_override( struct gl_context *ctx )
       }
    }
 
+   free(env);
+
    /* Remove trailing space. */
    len = strlen(extra_exts);
    if (extra_exts[len - 1] == ' ')
@@ -935,14 +936,11 @@ _mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
    size_t n;
    const struct extension *i;
 
-   if (index < 0)
-      return NULL;
-
    base = (GLboolean*) &ctx->Extensions;
    n = 0;
    for (i = extension_table; i->name != 0; ++i) {
       if (n == index && base[i->offset]) {
-        return (GLubyte*) i->name;
+        return (const GLubyte*) i->name;
       } else if (base[i->offset]) {
         ++n;
       }