diff options
Diffstat (limited to 'mesalib/src/mesa/main/dd.h')
| -rw-r--r-- | mesalib/src/mesa/main/dd.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h index 70c53240e..07787d41d 100644 --- a/mesalib/src/mesa/main/dd.h +++ b/mesalib/src/mesa/main/dd.h @@ -201,6 +201,22 @@ struct dd_function_table { GLenum srcFormat, GLenum srcType ); /** + * Determine sample counts support for a particular format + * + * \param ctx GL context + * \param internalFormat GL format enum + * \param samples Buffer to hold the returned sample counts. + * Drivers \b must \b not return more than 16 counts. + * + * \returns + * The number of sample counts actually written to \c samples. If + * \c internaFormat is not renderable, zero is returned. + */ + size_t (*QuerySamplesForFormat)(struct gl_context *ctx, + GLenum internalFormat, + int samples[16]); + + /** * Called by glTexImage[123]D() and glCopyTexImage[12]D() * Allocate texture memory and copy the user's image to the buffer. * The gl_texture_image fields, etc. will be fully initialized. |