X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_context.h;h=7cf0e30dc30857e89d1fd5bb1320225a7ea2f8c2;hb=03c4171b577b06b1d8dde50b6eb9507d8ef4c1ce;hp=446b990d990fcc785d81a3f89cdaae38ae83a8cd;hpb=bb887b72f71e1323ce35c676f5207a6b2424fed4;p=mesa.git diff --git a/src/mesa/swrast/s_context.h b/src/mesa/swrast/s_context.h index 446b990d990..7cf0e30dc30 100644 --- a/src/mesa/swrast/s_context.h +++ b/src/mesa/swrast/s_context.h @@ -1,6 +1,5 @@ /* * Mesa 3-D graphics library - * Version: 6.5.3 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * @@ -17,16 +16,17 @@ * 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. */ /** * \file swrast/s_context.h * \brief Software rasterization context and private types. - * \author Keith Whitwell + * \author Keith Whitwell */ /** @@ -45,20 +45,23 @@ #include "main/compiler.h" #include "main/mtypes.h" +#include "main/texcompress.h" #include "program/prog_execute.h" #include "swrast.h" +#include "s_fragprog.h" #include "s_span.h" typedef void (*texture_sample_func)(struct gl_context *ctx, + const struct gl_sampler_object *samp, const struct gl_texture_object *tObj, GLuint n, const GLfloat texcoords[][4], const GLfloat lambda[], GLfloat rgba[][4]); -typedef void (_ASMAPIP blend_func)( struct gl_context *ctx, GLuint n, - const GLubyte mask[], - GLvoid *src, const GLvoid *dst, - GLenum chanType); +typedef void (*blend_func)(struct gl_context *ctx, GLuint n, + const GLubyte mask[], + GLvoid *src, const GLvoid *dst, + GLenum chanType); typedef void (*swrast_point_func)( struct gl_context *ctx, const SWvertex *); @@ -120,14 +123,10 @@ typedef void (*FetchTexelFunc)(const struct swrast_texture_image *texImage, GLfloat *texelOut); -typedef void (*StoreTexelFunc)(struct swrast_texture_image *texImage, - GLint col, GLint row, GLint img, - const void *texel); - /** * Subclass of gl_texture_image. * We need extra fields/info to keep tracking of mapped texture buffers, - * strides and Fetch/Store functions. + * strides and Fetch functions. */ struct swrast_texture_image { @@ -138,17 +137,32 @@ 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 *Data; /**< Image data, accessed via FetchTexel() */ + /** + * 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; FetchTexelFunc FetchTexel; - StoreTexelFunc Store; + + /** For fetching texels from compressed textures */ + compressed_fetch_func FetchCompressedTexel; }; @@ -167,6 +181,34 @@ swrast_texture_image_const(const struct gl_texture_image *img) } +/** + * Subclass of gl_renderbuffer with extra fields needed for software + * rendering. + */ +struct swrast_renderbuffer +{ + struct gl_renderbuffer Base; + + GLubyte *Buffer; /**< The malloc'd memory for buffer */ + + /** These fields are only valid while buffer is mapped for rendering */ + GLubyte *Map; + GLint RowStride; /**< in bytes */ + + /** For span rendering */ + GLenum ColorType; +}; + + +/** cast wrapper */ +static inline struct swrast_renderbuffer * +swrast_renderbuffer(struct gl_renderbuffer *img) +{ + return (struct swrast_renderbuffer *) img; +} + + + /** * \struct SWcontext * \brief Per-context state that's private to the software rasterizer module. @@ -195,13 +237,13 @@ typedef struct GLboolean _DeferredTexture; /** List/array of the fragment attributes to interpolate */ - GLuint _ActiveAttribs[FRAG_ATTRIB_MAX]; - /** Same info, but as a bitmask */ - GLbitfield _ActiveAttribMask; + GLuint _ActiveAttribs[VARYING_SLOT_MAX]; + /** Same info, but as a bitmask of VARYING_BIT_x bits */ + GLbitfield64 _ActiveAttribMask; /** Number of fragment attributes to interpolate */ GLuint _NumActiveAttribs; /** Indicates how each attrib is to be interpolated (lines/tris) */ - GLenum _InterpMode[FRAG_ATTRIB_MAX]; /* GL_FLAT or GL_SMOOTH (for now) */ + GLenum _InterpMode[VARYING_SLOT_MAX]; /* GL_FLAT or GL_SMOOTH (for now) */ /* Working values: */ @@ -270,7 +312,7 @@ 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. @@ -282,6 +324,13 @@ typedef struct /** State used during execution of fragment programs */ struct gl_program_machine FragProgMachine; + /** Temporary arrays for stencil operations. To avoid large stack + * allocations. + */ + struct { + GLubyte *buf1, *buf2, *buf3, *buf4; + } stencil_temp; + } SWcontext; @@ -343,6 +392,9 @@ _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); @@ -422,5 +474,26 @@ _swrast_unmap_renderbuffers(struct gl_context *ctx); #define ATTRIB_LOOP_END } } +/** + * Return the address of a pixel value in a mapped renderbuffer. + */ +static inline GLubyte * +_swrast_pixel_address(struct gl_renderbuffer *rb, GLint x, GLint y) +{ + struct swrast_renderbuffer *srb = swrast_renderbuffer(rb); + const GLint bpp = _mesa_get_format_bytes(rb->Format); + const GLint rowStride = srb->RowStride; + assert(x >= 0); + assert(y >= 0); + /* NOTE: using <= only because of s_tritemp.h which gets a pixel + * address but doesn't necessarily access it. + */ + assert(x <= (GLint) rb->Width); + assert(y <= (GLint) rb->Height); + assert(srb->Map); + return (GLubyte *) srb->Map + y * rowStride + x * bpp; +} + + #endif