/*
* Mesa 3-D graphics library
- * Version: 6.5.1
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* 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
- * BRIAN PAUL 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 "mtypes.h"
-#if _HAVE_FULL_GL
-
-extern void _mesa_enable_sw_extensions(GLcontext *ctx);
-
-extern void _mesa_enable_imaging_extensions(GLcontext *ctx);
-
-extern void _mesa_enable_1_3_extensions(GLcontext *ctx);
-
-extern void _mesa_enable_1_4_extensions(GLcontext *ctx);
-
-extern void _mesa_enable_1_5_extensions(GLcontext *ctx);
-
-extern void _mesa_enable_2_0_extensions(GLcontext *ctx);
+#ifdef __cplusplus
+extern "C" {
+#endif
-extern void _mesa_enable_2_1_extensions(GLcontext *ctx);
+struct gl_context;
+struct gl_extensions;
-extern void _mesa_enable_extension(GLcontext *ctx, const char *name);
+extern void _mesa_enable_sw_extensions(struct gl_context *ctx);
-extern void _mesa_disable_extension(GLcontext *ctx, const char *name);
+extern void _mesa_one_time_init_extension_overrides(struct gl_context *ctx);
-extern GLboolean _mesa_extension_is_enabled(GLcontext *ctx, const char *name);
+extern void _mesa_init_extensions(struct gl_extensions *extentions);
-extern void _mesa_init_extensions(GLcontext *ctx);
+extern GLubyte *_mesa_make_extension_string(struct gl_context *ctx);
-extern GLubyte *_mesa_make_extension_string(GLcontext *ctx);
+extern void _mesa_override_extensions(struct gl_context *ctx);
extern GLuint
-_mesa_get_extension_count(GLcontext *ctx);
+_mesa_get_extension_count(struct gl_context *ctx);
extern const GLubyte *
-_mesa_get_enabled_extension(GLcontext *ctx, GLuint index);
-
-
-#else
+_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index);
-/** No-op */
-#define _mesa_extensions_dtr( ctx ) ((void)0)
-/** No-op */
-#define _mesa_extensions_ctr( ctx ) ((void)0)
-
-/** No-op */
-#define _mesa_extensions_get_string( ctx ) "GL_EXT_texture_object"
-
-/** No-op */
-#define _mesa_enable_imaging_extensions( c ) ((void)0)
-
-/** No-op */
-#define _mesa_enable_extension( c, n ) ((void)0)
+/**
+ * \brief An element of the \c extension_table.
+ */
+struct mesa_extension {
+ /** Name of extension, such as "GL_ARB_depth_clamp". */
+ const char *name;
+
+ /** Offset (in bytes) of the corresponding member in struct gl_extensions. */
+ size_t offset;
+
+ /** Minimum version the extension requires for the given API
+ * (see gl_api defined in mtypes.h). The value is equal to:
+ * 10 * major_version + minor_version
+ */
+ uint8_t version[API_OPENGL_LAST + 1];
+
+ /** Year the extension was proposed or approved. Used to sort the
+ * extension string chronologically. */
+ uint16_t year;
+};
+
+extern const struct mesa_extension _mesa_extension_table[];
+
+
+/* Generate enums for the functions below */
+enum {
+#define EXT(name_str, ...) MESA_EXTENSION_##name_str,
+#include "extensions_table.h"
+#undef EXT
+MESA_EXTENSION_COUNT
+};
+
+
+/** Checks if the context supports a user-facing extension */
+#define EXT(name_str, driver_cap, ...) \
+static inline bool \
+_mesa_has_##name_str(const struct gl_context *ctx) \
+{ \
+ return ctx->Extensions.driver_cap && (ctx->Extensions.Version >= \
+ _mesa_extension_table[MESA_EXTENSION_##name_str].version[ctx->API]); \
+}
+#include "extensions_table.h"
+#undef EXT
+
+/* Sometimes the driver wants to query the extension override status before
+ * a context is created. These variables are filled with extension override
+ * information before context creation.
+ *
+ * This can be useful during extension bring-up when an extension is
+ * partially implemented, but cannot yet be advertised as supported.
+ *
+ * Use it with care and keep access read-only.
+ */
+extern struct gl_extensions _mesa_extension_override_enables;
+extern struct gl_extensions _mesa_extension_override_disables;
+#ifdef __cplusplus
+}
#endif
#endif