1 files changed, 96 insertions, 22 deletions

diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 2138bfe40..30245d6aa 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -50,11 +50,13 @@ static const struct {
    { OFF, "GL_ARB_depth_clamp",                F(ARB_depth_clamp) },
    { ON,  "GL_ARB_draw_buffers",               F(ARB_draw_buffers) },
    { OFF, "GL_ARB_draw_elements_base_vertex",  F(ARB_draw_elements_base_vertex) },
+   { OFF, "GL_ARB_fragment_coord_conventions", F(ARB_fragment_coord_conventions) },
    { OFF, "GL_ARB_fragment_program",           F(ARB_fragment_program) },
    { OFF, "GL_ARB_fragment_program_shadow",    F(ARB_fragment_program_shadow) },
    { OFF, "GL_ARB_fragment_shader",            F(ARB_fragment_shader) },
    { OFF, "GL_ARB_framebuffer_object",         F(ARB_framebuffer_object) },
    { OFF, "GL_ARB_half_float_pixel",           F(ARB_half_float_pixel) },
+   { OFF, "GL_ARB_half_float_vertex",          F(ARB_half_float_vertex) },
    { OFF, "GL_ARB_imaging",                    F(ARB_imaging) },
    { OFF, "GL_ARB_map_buffer_range",           F(ARB_map_buffer_range) },
    { ON,  "GL_ARB_multisample",                F(ARB_multisample) },
@@ -103,6 +105,7 @@ static const struct {
    { OFF, "GL_EXT_convolution",                F(EXT_convolution) },
    { ON,  "GL_EXT_copy_texture",               F(EXT_copy_texture) },
    { OFF, "GL_EXT_depth_bounds_test",          F(EXT_depth_bounds_test) },
+   { OFF, "GL_EXT_draw_buffers2",              F(EXT_draw_buffers2) },
    { ON,  "GL_EXT_draw_range_elements",        F(EXT_draw_range_elements) },
    { OFF, "GL_EXT_framebuffer_blit",           F(EXT_framebuffer_blit) },
    { OFF, "GL_EXT_framebuffer_multisample",    F(EXT_framebuffer_multisample) },
@@ -128,7 +131,9 @@ static const struct {
    { ON,  "GL_EXT_subtexture",                 F(EXT_subtexture) },
    { ON,  "GL_EXT_texture",                    F(EXT_texture) },
    { ON,  "GL_EXT_texture3D",                  F(EXT_texture3D) },
+   { OFF, "GL_EXT_texture_array",              F(EXT_texture_array) },
    { OFF, "GL_EXT_texture_compression_s3tc",   F(EXT_texture_compression_s3tc) },
+   { OFF, "GL_EXT_texture_cube_map",           F(ARB_texture_cube_map) },
    { ON,  "GL_EXT_texture_edge_clamp",         F(SGIS_texture_edge_clamp) },
    { OFF, "GL_EXT_texture_env_add",            F(EXT_texture_env_add) },
    { OFF, "GL_EXT_texture_env_combine",        F(EXT_texture_env_combine) },
@@ -148,6 +153,7 @@ static const struct {
    { OFF, "GL_APPLE_client_storage",           F(APPLE_client_storage) },
    { ON,  "GL_APPLE_packed_pixels",            F(APPLE_packed_pixels) },
    { OFF, "GL_APPLE_vertex_array_object",      F(APPLE_vertex_array_object) },
+   { OFF, "GL_APPLE_object_purgeable",         F(APPLE_object_purgeable) },
    { OFF, "GL_ATI_blend_equation_separate",    F(EXT_blend_equation_separate) },
    { OFF, "GL_ATI_envmap_bumpmap",             F(ATI_envmap_bumpmap) },
    { OFF, "GL_ATI_texture_env_combine3",       F(ATI_texture_env_combine3)},
@@ -166,6 +172,7 @@ static const struct {
    { OFF, "GL_MESA_ycbcr_texture",             F(MESA_ycbcr_texture) },
    { ON,  "GL_MESA_window_pos",                F(ARB_window_pos) },
    { OFF, "GL_NV_blend_square",                F(NV_blend_square) },
+   { OFF, "GL_NV_conditional_render",          F(NV_conditional_render) },
    { OFF, "GL_NV_depth_clamp",                 F(ARB_depth_clamp) },
    { OFF, "GL_NV_fragment_program",            F(NV_fragment_program) },
    { OFF, "GL_NV_fragment_program_option",     F(NV_fragment_program_option) },
@@ -187,6 +194,9 @@ static const struct {
    { ON,  "GL_SGIS_texture_lod",               F(SGIS_texture_lod) },
    { ON,  "GL_SUN_multi_draw_arrays",          F(EXT_multi_draw_arrays) },
    { OFF, "GL_S3_s3tc",                        F(S3_s3tc) },
+#if FEATURE_OES_draw_texture
+   { OFF, "GL_OES_draw_texture",               F(OES_draw_texture) },
+#endif /* FEATURE_OES_draw_texture */
 };
 
 
@@ -203,6 +213,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
    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_fragment_coord_conventions = GL_TRUE;
 #if FEATURE_ARB_fragment_program
    ctx->Extensions.ARB_fragment_program = GL_TRUE;
    ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
@@ -214,6 +225,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
    ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
 #endif
    ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
+   ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
    ctx->Extensions.ARB_imaging = GL_TRUE;
    ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
    ctx->Extensions.ARB_multitexture = GL_TRUE;
@@ -254,6 +266,9 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
    ctx->Extensions.ARB_sync = GL_TRUE;
 #endif
    ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
+#if FEATURE_APPLE_object_purgeable
+   ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
+#endif
    ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
 #if FEATURE_ATI_fragment_shader
    ctx->Extensions.ATI_fragment_shader = GL_TRUE;
@@ -269,6 +284,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
    ctx->Extensions.EXT_blend_subtract = GL_TRUE;
    ctx->Extensions.EXT_convolution = GL_TRUE;
    ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
+   ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
    ctx->Extensions.EXT_fog_coord = GL_TRUE;
 #if FEATURE_EXT_framebuffer_object
    ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
@@ -293,6 +309,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
    ctx->Extensions.EXT_shared_texture_palette = 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_env_add = GL_TRUE;
    ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
    ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
@@ -309,6 +326,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
    ctx->Extensions.MESA_texture_array = GL_TRUE;
    ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
    ctx->Extensions.NV_blend_square = GL_TRUE;
+   ctx->Extensions.NV_conditional_render = GL_TRUE;
    /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
    ctx->Extensions.NV_point_sprite = GL_TRUE;
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
@@ -486,7 +504,7 @@ set_extension( GLcontext *ctx, const char *name, GLboolean state )
    }
 
    for (i = 0 ; i < Elements(default_extensions) ; i++) {
-      if (_mesa_strcmp(default_extensions[i].name, name) == 0) {
+      if (strcmp(default_extensions[i].name, name) == 0) {
          if (default_extensions[i].flag_offset) {
             GLboolean *enabled = base + default_extensions[i].flag_offset;
             *enabled = state;
@@ -523,19 +541,33 @@ _mesa_disable_extension( GLcontext *ctx, const char *name )
 
 
 /**
+ * Check if the i-th extension is enabled.
+ */
+static GLboolean
+extension_enabled(GLcontext *ctx, GLuint index)
+{
+   const GLboolean *base = (const GLboolean *) &ctx->Extensions;
+   if (!default_extensions[index].flag_offset ||
+       *(base + default_extensions[index].flag_offset)) {
+      return GL_TRUE;
+   }
+   else {
+      return GL_FALSE;
+   }
+}
+
+
+/**
  * Test if the named extension is enabled in this context.
  */
 GLboolean
 _mesa_extension_is_enabled( GLcontext *ctx, const char *name )
 {
-   const GLboolean *base = (const GLboolean *) &ctx->Extensions;
    GLuint i;
 
    for (i = 0 ; i < Elements(default_extensions) ; i++) {
-      if (_mesa_strcmp(default_extensions[i].name, name) == 0) {
-         if (!default_extensions[i].flag_offset)
-            return GL_TRUE;
-         return *(base + default_extensions[i].flag_offset);
+      if (strcmp(default_extensions[i].name, name) == 0) {
+         return extension_enabled(ctx, i);
       }
    }
    return GL_FALSE;
@@ -548,18 +580,18 @@ _mesa_extension_is_enabled( GLcontext *ctx, const char *name )
 static char *
 append(const char *a, const char *b)
 {
-   const GLuint aLen = a ? _mesa_strlen(a) : 0;
-   const GLuint bLen = b ? _mesa_strlen(b) : 0;
-   char *s = _mesa_calloc(aLen + bLen + 1);
+   const GLuint aLen = a ? strlen(a) : 0;
+   const GLuint bLen = b ? strlen(b) : 0;
+   char *s = calloc(1, aLen + bLen + 1);
    if (s) {
       if (a)
-         _mesa_memcpy(s, a, aLen);
+         memcpy(s, a, aLen);
       if (b)
-         _mesa_memcpy(s + aLen, b, bLen);
+         memcpy(s + aLen, b, bLen);
       s[aLen + bLen] = '\0';
    }
    if (a)
-      _mesa_free((void *) a);
+      free((void *) a);
    return s;
 }
 
@@ -643,7 +675,6 @@ _mesa_init_extensions( GLcontext *ctx )
 GLubyte *
 _mesa_make_extension_string( GLcontext *ctx )
 {
-   const GLboolean *base = (const GLboolean *) &ctx->Extensions;
    const char *extraExt = get_extension_override(ctx);
    GLuint extStrLen = 0;
    char *s;
@@ -651,27 +682,25 @@ _mesa_make_extension_string( GLcontext *ctx )
 
    /* first, compute length of the extension string */
    for (i = 0 ; i < Elements(default_extensions) ; i++) {
-      if (!default_extensions[i].flag_offset ||
-          *(base + default_extensions[i].flag_offset)) {
-         extStrLen += (GLuint)_mesa_strlen(default_extensions[i].name) + 1;
+      if (extension_enabled(ctx, i)) {
+         extStrLen += (GLuint) strlen(default_extensions[i].name) + 1;
       }
    }
 
    if (extraExt)
-      extStrLen += _mesa_strlen(extraExt) + 1; /* +1 for space */
+      extStrLen += strlen(extraExt) + 1; /* +1 for space */
 
    /* allocate the extension string */
-   s = (char *) _mesa_malloc(extStrLen);
+   s = (char *) malloc(extStrLen);
    if (!s)
       return NULL;
 
    /* second, build the extension string */
    extStrLen = 0;
    for (i = 0 ; i < Elements(default_extensions) ; i++) {
-      if (!default_extensions[i].flag_offset ||
-          *(base + default_extensions[i].flag_offset)) {
-         GLuint len = (GLuint)_mesa_strlen(default_extensions[i].name);
-         _mesa_memcpy(s + extStrLen, default_extensions[i].name, len);
+      if (extension_enabled(ctx, i)) {
+         GLuint len = (GLuint) strlen(default_extensions[i].name);
+         memcpy(s + extStrLen, default_extensions[i].name, len);
          extStrLen += len;
          s[extStrLen] = ' ';
          extStrLen++;
@@ -688,3 +717,48 @@ _mesa_make_extension_string( GLcontext *ctx )
 
    return (GLubyte *) s;
 }
+
+
+/**
+ * Return number of enabled extensions.
+ */
+GLuint
+_mesa_get_extension_count(GLcontext *ctx)
+{
+   GLuint i;
+
+   /* only count once */
+   if (!ctx->Extensions.Count) {
+      for (i = 0; i < Elements(default_extensions); i++) {
+         if (extension_enabled(ctx, i)) {
+            ctx->Extensions.Count++;
+         }
+      }
+   }
+
+   if (0)
+      _mesa_debug(ctx, "%u of %d extensions enabled\n", ctx->Extensions.Count,
+                  Elements(default_extensions));
+
+   return ctx->Extensions.Count;
+}
+
+
+/**
+ * Return name of i-th enabled extension
+ */
+const GLubyte *
+_mesa_get_enabled_extension(GLcontext *ctx, GLuint index)
+{
+   GLuint i;
+
+   for (i = 0; i < Elements(default_extensions); i++) {
+      if (extension_enabled(ctx, i)) {
+         if (index == 0)
+            return (const GLubyte *) default_extensions[i].name;
+         index--;
+      }
+   }
+
+   return NULL;
+}