diff options
Diffstat (limited to 'mesalib/src/mesa/swrast/s_context.h')
| -rw-r--r-- | mesalib/src/mesa/swrast/s_context.h | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/mesalib/src/mesa/swrast/s_context.h b/mesalib/src/mesa/swrast/s_context.h index 2f7a2b531..9520185b2 100644 --- a/mesalib/src/mesa/swrast/s_context.h +++ b/mesalib/src/mesa/swrast/s_context.h @@ -17,9 +17,10 @@ * 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. */ @@ -137,11 +138,24 @@ struct swrast_texture_image /** used for mipmap LOD computation */ GLfloat WidthScale, HeightScale, DepthScale; - /** These fields only valid when texture memory is mapped */ - GLint RowStride; /**< Padded width in units of texels */ - GLuint *ImageOffsets; /**< if 3D texture: array [Depth] of offsets to - each 2D slice in 'Data', in texels */ - GLubyte *Map; /**< Pointer to mapped image memory */ + /** + * Byte stride between rows in ImageSlices. + * + * For compressed textures, this is the byte stride between one row of + * blocks and the next row of blocks. + * + * Only valid while one of the ImageSlices is mapped, and must be the same + * between all slices. + */ + GLint RowStride; + /** + * When a texture image is mapped for swrast, this array contains pointers + * to the beginning of each slice. + * + * For swrast-allocated textures, these pointers will always stay + * initialized to point within Buffer. + */ + void **ImageSlices; /** Malloc'd texture memory */ GLubyte *Buffer; @@ -299,7 +313,7 @@ typedef struct /** Internal hooks, kept up to date by the same mechanism as above. */ blend_func BlendFunc; - texture_sample_func TextureSample[MAX_TEXTURE_IMAGE_UNITS]; + texture_sample_func TextureSample[MAX_COMBINED_TEXTURE_IMAGE_UNITS]; /** Buffer for saving the sampled texture colors. * Needed for GL_ARB_texture_env_crossbar implementation. @@ -379,6 +393,9 @@ _swrast_map_textures(struct gl_context *ctx); extern void _swrast_unmap_textures(struct gl_context *ctx); +extern unsigned int +_swrast_teximage_slice_height(struct gl_texture_image *texImage); + extern void _swrast_map_texture(struct gl_context *ctx, struct gl_texture_object *texObj); |