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Diffstat (limited to 'src/mesa/pipe/draw/draw_private.h')
-rw-r--r-- | src/mesa/pipe/draw/draw_private.h | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/src/mesa/pipe/draw/draw_private.h b/src/mesa/pipe/draw/draw_private.h deleted file mode 100644 index 7782db04770..00000000000 --- a/src/mesa/pipe/draw/draw_private.h +++ /dev/null @@ -1,346 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. - * - **************************************************************************/ - -/** - * Private data structures, etc for the draw module. - */ - - -/** - * Authors: - * Keith Whitwell <[email protected]> - * Brian Paul - */ - - -#ifndef DRAW_PRIVATE_H -#define DRAW_PRIVATE_H - - -#include "pipe/p_state.h" -#include "pipe/p_defines.h" - -#include "x86/rtasm/x86sse.h" -#include "pipe/tgsi/exec/tgsi_exec.h" - - -struct gallivm_prog; -struct gallivm_cpu_engine; - -/** - * Basic vertex info. - * Carry some useful information around with the vertices in the prim pipe. - */ -struct vertex_header { - unsigned clipmask:12; - unsigned edgeflag:1; - unsigned pad:3; - unsigned vertex_id:16; - - float clip[4]; - - float data[][4]; /* Note variable size */ -}; - -/* NOTE: It should match vertex_id size above */ -#define UNDEFINED_VERTEX_ID 0xffff - -/* XXX This is too large */ -#define MAX_VERTEX_SIZE ((2 + PIPE_MAX_SHADER_OUTPUTS) * 4 * sizeof(float)) - - - -/** - * Basic info for a point/line/triangle primitive. - */ -struct prim_header { - float det; /**< front/back face determinant */ - unsigned reset_line_stipple:1; - unsigned edgeflags:3; - unsigned pad:28; - struct vertex_header *v[3]; /**< 1 to 3 vertex pointers */ -}; - - - -struct draw_context; - -/** - * Base class for all primitive drawing stages. - */ -struct draw_stage -{ - struct draw_context *draw; /**< parent context */ - - struct draw_stage *next; /**< next stage in pipeline */ - - struct vertex_header **tmp; /**< temp vert storage, such as for clipping */ - unsigned nr_tmps; - - void (*point)( struct draw_stage *, - struct prim_header * ); - - void (*line)( struct draw_stage *, - struct prim_header * ); - - void (*tri)( struct draw_stage *, - struct prim_header * ); - - void (*flush)( struct draw_stage *, - unsigned flags ); - - void (*reset_stipple_counter)( struct draw_stage * ); - - void (*destroy)( struct draw_stage * ); -}; - - -#define PRIM_QUEUE_LENGTH 16 -#define VCACHE_SIZE 32 -#define VCACHE_OVERFLOW 4 -#define VS_QUEUE_LENGTH (VCACHE_SIZE + VCACHE_OVERFLOW + 1) /* can never fill up */ - -/** - * Private version of the compiled vertex_shader - */ -struct draw_vertex_shader { - const struct pipe_shader_state *state; -#if defined(__i386__) || defined(__386__) - struct x86_function sse2_program; -#endif -#ifdef MESA_LLVM - struct gallivm_prog *llvm_prog; -#endif -}; - - -/* Internal function for vertex fetch. - */ -typedef void (*fetch_func)(const void *ptr, float *attrib); -typedef void (*full_fetch_func)( struct draw_context *draw, - struct tgsi_exec_machine *machine, - const unsigned *elts, - unsigned count ); - - - -/** - * Private context for the drawing module. - */ -struct draw_context -{ - /** Drawing/primitive pipeline stages */ - struct { - struct draw_stage *first; /**< one of the following */ - - struct draw_stage *validate; - - /* stages (in logical order) */ - struct draw_stage *flatshade; - struct draw_stage *clip; - struct draw_stage *cull; - struct draw_stage *twoside; - struct draw_stage *offset; - struct draw_stage *unfilled; - struct draw_stage *stipple; - struct draw_stage *wide; - struct draw_stage *rasterize; - } pipeline; - - /* pipe state that we need: */ - const struct pipe_rasterizer_state *rasterizer; - struct pipe_viewport_state viewport; - struct pipe_vertex_buffer vertex_buffer[PIPE_ATTRIB_MAX]; - struct pipe_vertex_element vertex_element[PIPE_ATTRIB_MAX]; - const struct draw_vertex_shader *vertex_shader; - - uint num_vs_outputs; /**< convenience, from vertex_shader */ - - /* user-space vertex data, buffers */ - struct { - /** vertex element/index buffer (ex: glDrawElements) */ - const void *elts; - /** bytes per index (0, 1, 2 or 4) */ - unsigned eltSize; - - /** vertex arrays */ - const void *vbuffer[PIPE_ATTRIB_MAX]; - - /** constant buffer (for vertex shader) */ - const void *constants; - } user; - - /* Clip derived state: - */ - float plane[12][4]; - unsigned nr_planes; - - boolean convert_wide_points; /**< convert wide points to tris? */ - boolean convert_wide_lines; /**< convert side lines to tris? */ - - unsigned reduced_prim; - - /** TGSI program interpreter runtime state */ - struct tgsi_exec_machine machine; - - /* Vertex fetch internal state - */ - struct { - const ubyte *src_ptr[PIPE_ATTRIB_MAX]; - unsigned pitch[PIPE_ATTRIB_MAX]; - fetch_func fetch[PIPE_ATTRIB_MAX]; - unsigned nr_attrs; - full_fetch_func fetch_func; - } vertex_fetch; - - /* Post-tnl vertex cache: - */ - struct { - unsigned referenced; /**< bitfield */ - unsigned idx[VCACHE_SIZE + VCACHE_OVERFLOW]; - struct vertex_header *vertex[VCACHE_SIZE + VCACHE_OVERFLOW]; - unsigned overflow; - - /** To find space in the vertex cache: */ - struct vertex_header *(*get_vertex)( struct draw_context *draw, - unsigned i ); - } vcache; - - /* Vertex shader queue: - */ - struct { - struct { - unsigned elt; /**< index into the user's vertex arrays */ - struct vertex_header *dest; /**< points into vcache.vertex[] array */ - } queue[VS_QUEUE_LENGTH]; - unsigned queue_nr; - } vs; - - /** - * Run the vertex shader on all vertices in the vertex queue. - */ - void (*shader_queue_flush)(struct draw_context *draw); - - /* Prim pipeline queue: - */ - struct { - /* Need to queue up primitives until their vertices have been - * transformed by a vs queue flush. - */ - struct prim_header queue[PRIM_QUEUE_LENGTH]; - unsigned queue_nr; - } pq; - - int use_sse : 1; -#ifdef MESA_LLVM - struct gallivm_cpu_engine *engine; -#endif - - void *driver_private; -}; - - - -extern struct draw_stage *draw_unfilled_stage( struct draw_context *context ); -extern struct draw_stage *draw_twoside_stage( struct draw_context *context ); -extern struct draw_stage *draw_offset_stage( struct draw_context *context ); -extern struct draw_stage *draw_clip_stage( struct draw_context *context ); -extern struct draw_stage *draw_flatshade_stage( struct draw_context *context ); -extern struct draw_stage *draw_cull_stage( struct draw_context *context ); -extern struct draw_stage *draw_stipple_stage( struct draw_context *context ); -extern struct draw_stage *draw_wide_stage( struct draw_context *context ); -extern struct draw_stage *draw_validate_stage( struct draw_context *context ); - - -extern void draw_free_tmps( struct draw_stage *stage ); -extern void draw_reset_tmps( struct draw_stage *stage ); -extern void draw_alloc_tmps( struct draw_stage *stage, unsigned nr ); - -extern void draw_reset_vertex_ids( struct draw_context *draw ); - - -extern int draw_vertex_cache_check_space( struct draw_context *draw, - unsigned nr_verts ); - -extern void draw_vertex_cache_invalidate( struct draw_context *draw ); -extern void draw_vertex_cache_unreference( struct draw_context *draw ); -extern void draw_vertex_cache_reset_vertex_ids( struct draw_context *draw ); - - -extern void draw_vertex_shader_queue_flush( struct draw_context *draw ); -#ifdef MESA_LLVM -extern void draw_vertex_shader_queue_flush_llvm( struct draw_context *draw ); -#endif - -struct tgsi_exec_machine; - -extern void draw_update_vertex_fetch( struct draw_context *draw ); - - -#define DRAW_FLUSH_SHADER_QUEUE 0x1 /* sized not to overflow, never raised */ -#define DRAW_FLUSH_PRIM_QUEUE 0x2 -#define DRAW_FLUSH_VERTEX_CACHE 0x4 -#define DRAW_FLUSH_STATE_CHANGE 0x8 -#define DRAW_FLUSH_BACKEND 0x10 - - -void draw_do_flush( struct draw_context *draw, unsigned flags ); - - - -/** - * Get a writeable copy of a vertex. - * \param stage drawing stage info - * \param vert the vertex to copy (source) - * \param idx index into stage's tmp[] array to put the copy (dest) - * \return pointer to the copied vertex - */ -static INLINE struct vertex_header * -dup_vert( struct draw_stage *stage, - const struct vertex_header *vert, - unsigned idx ) -{ - struct vertex_header *tmp = stage->tmp[idx]; - const uint vsize = sizeof(struct vertex_header) - + stage->draw->num_vs_outputs * 4 * sizeof(float); - memcpy(tmp, vert, vsize); - tmp->vertex_id = UNDEFINED_VERTEX_ID; - return tmp; -} - -static INLINE float -dot4(const float *a, const float *b) -{ - float result = (a[0]*b[0] + - a[1]*b[1] + - a[2]*b[2] + - a[3]*b[3]); - - return result; -} - -#endif /* DRAW_PRIVATE_H */ |