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authorKristian Høgsberg <krh@bitplanet.net>2010-04-22 08:27:51 -0400
committerKristian Høgsberg <krh@bitplanet.net>2010-04-22 12:42:23 -0400
commit18f7e118a5c6dfc04502e6e91ae492bfa33d3cc9 (patch)
tree57d58367168432ae4cd60bc7994ea25eba78d6c6 /src/mesa
parent04bf868ad9f0034ce7b726eadd2ffac346441a68 (diff)
es2: Move over es2 code to compute extensions
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/main/extensions.c109
1 files changed, 106 insertions, 3 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 208069c1db..30a51abbe7 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -495,7 +495,6 @@ _mesa_enable_2_1_extensions(GLcontext *ctx)
}
-
/**
* Either enable or disable the named extension.
* \return GL_TRUE for success, GL_FALSE if invalid extension name
@@ -681,8 +680,8 @@ _mesa_init_extensions( GLcontext *ctx )
* Construct the GL_EXTENSIONS string. Called the first time that
* glGetString(GL_EXTENSIONS) is called.
*/
-GLubyte *
-_mesa_make_extension_string( GLcontext *ctx )
+static GLubyte *
+compute_extensions( GLcontext *ctx )
{
const char *extraExt = get_extension_override(ctx);
GLuint extStrLen = 0;
@@ -727,6 +726,110 @@ _mesa_make_extension_string( GLcontext *ctx )
return (GLubyte *) s;
}
+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_es2(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 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;
+ }
+
+ return ctx->Extensions.String;
+}
+
+GLubyte *
+_mesa_make_extension_string(GLcontext *ctx)
+{
+ switch (ctx->API) {
+ case API_OPENGL:
+ return compute_extensions(ctx);
+ case API_OPENGLES2:
+ return compute_extensions_es2(ctx);
+ case API_OPENGLES:
+ default:
+ assert(0);
+ return NULL;
+ }
+}
/**
* Return number of enabled extensions.