diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_private.h')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_private.h | 337 |
1 files changed, 72 insertions, 265 deletions
diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h index c8cb96c8ba..39aa81b43c 100644 --- a/src/gallium/auxiliary/draw/draw_private.h +++ b/src/gallium/auxiliary/draw/draw_private.h @@ -44,7 +44,6 @@ #include "pipe/p_state.h" #include "pipe/p_defines.h" -#include "rtasm/rtasm_x86sse.h" #include "tgsi/exec/tgsi_exec.h" #include "tgsi/util/tgsi_scan.h" @@ -52,11 +51,11 @@ struct pipe_context; struct gallivm_prog; struct gallivm_cpu_engine; +struct draw_vertex_shader; +struct draw_context; +struct draw_stage; +struct vbuf_render; -struct draw_pt_middle_end; -struct draw_pt_front_end; - -#define MAX_SHADER_VERTICES 128 /** * Basic vertex info. @@ -70,17 +69,14 @@ struct vertex_header { float clip[4]; - float data[][4]; /* Note variable size */ + /* This will probably become float (*data)[4] soon: + */ + float data[][4]; }; /* 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)) -#define MAX_VERTEX_ALLOCATION ((MAX_VERTEX_SIZE + 0x0f) & ~0x0f) - - /** * Basic info for a point/line/triangle primitive. @@ -95,92 +91,11 @@ struct prim_header { -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 32 -#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 { - - /* This member will disappear shortly: - */ - struct pipe_shader_state state; - - struct tgsi_shader_info info; - - void (*prepare)( struct draw_vertex_shader *shader, - struct draw_context *draw ); - - /* Run the shader - this interface will get cleaned up in the - * future: - */ - boolean (*run)( struct draw_vertex_shader *shader, - struct draw_context *draw, - const unsigned *elts, - unsigned count, - void *out, - unsigned vertex_size); - - - void (*delete)( struct draw_vertex_shader * ); -}; - - -/* Internal function for vertex fetch. - */ -typedef void (*fetch_func)(const void *ptr, float *attrib); - -fetch_func draw_get_fetch_func( enum pipe_format format ); - - - -typedef void (*full_fetch_func)( struct draw_context *draw, - struct tgsi_exec_machine *machine, - const unsigned *elts, - unsigned count ); - -typedef void (*pt_fetch_func)( struct draw_context *draw, - float *out, - unsigned start, - unsigned count ); - - -struct vbuf_render; +#define PT_SHADE 0x1 +#define PT_CLIPTEST 0x2 +#define PT_PIPELINE 0x4 +#define PT_MAX_MIDDLE 0x8 /** * Private context for the drawing module. @@ -207,6 +122,17 @@ struct draw_context struct draw_stage *wide_line; struct draw_stage *wide_point; struct draw_stage *rasterize; + + float wide_point_threshold; /**< convert pnts to tris if larger than this */ + float wide_line_threshold; /**< convert lines to tris if wider than this */ + boolean line_stipple; /**< do line stipple? */ + boolean point_sprite; /**< convert points to quads for sprites? */ + + /* Temporary storage while the pipeline is being run: + */ + char *verts; + unsigned vertex_stride; + unsigned vertex_count; } pipeline; @@ -215,71 +141,63 @@ struct draw_context /* Support prototype passthrough path: */ struct { - unsigned prim; /* XXX: to be removed */ - unsigned hw_vertex_size; /* XXX: to be removed */ - struct { struct draw_pt_middle_end *fetch_emit; - struct draw_pt_middle_end *fetch_pipeline; - struct draw_pt_middle_end *fetch_shade_emit; - struct draw_pt_middle_end *fetch_shade_cliptest_pipeline_or_emit; + struct draw_pt_middle_end *general; } middle; struct { - struct draw_pt_front_end *noop; - struct draw_pt_front_end *split_arrays; struct draw_pt_front_end *vcache; } front; + struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; + unsigned nr_vertex_buffers; + + struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS]; + unsigned nr_vertex_elements; + + /* user-space vertex data, buffers */ struct { - char *verts; - unsigned vertex_stride; - unsigned vertex_count; - } pipeline; + const unsigned *edgeflag; + + /** 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_MAX_ATTRIBS]; + + /** constant buffer (for vertex shader) */ + const void *constants; + } user; } pt; + struct { + boolean bypass_clipping; + } driver; + boolean flushing; + boolean vcache_flushing; + boolean bypass_clipping; /* set if either api or driver bypass_clipping true */ /* pipe state that we need: */ const struct pipe_rasterizer_state *rasterizer; struct pipe_viewport_state viewport; - struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; - struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS]; + struct draw_vertex_shader *vertex_shader; boolean identity_viewport; uint num_vs_outputs; /**< convenience, from vertex_shader */ - /* user-space vertex data, buffers */ - struct { - const unsigned *edgeflag; - - /** 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_MAX_ATTRIBS]; - - /** constant buffer (for vertex shader) */ - const void *constants; - } user; /* Clip derived state: */ float plane[12][4]; unsigned nr_planes; - float wide_point_threshold; /**< convert pnts to tris if larger than this */ - float wide_line_threshold; /**< convert lines to tris if wider than this */ - boolean line_stipple; /**< do line stipple? */ - boolean point_sprite; /**< convert points to quads for sprites? */ - boolean use_sse; - boolean use_pt_shaders; /* temporary flag to switch on pt shader paths */ - /* If a prim stage introduces new vertex attributes, they'll be stored here */ struct { @@ -293,59 +211,6 @@ struct draw_context /** TGSI program interpreter runtime state */ struct tgsi_exec_machine machine; - /* Vertex fetch internal state - */ - struct { - const ubyte *src_ptr[PIPE_MAX_ATTRIBS]; - unsigned pitch[PIPE_MAX_ATTRIBS]; - fetch_func fetch[PIPE_MAX_ATTRIBS]; - unsigned nr_attrs; - full_fetch_func fetch_func; - pt_fetch_func pt_fetch; - } vertex_fetch; - - /* Post-tnl vertex cache: - */ - struct { - unsigned referenced; /**< bitfield */ - - struct { - unsigned in; /* client array element */ - unsigned out; /* index in vs queue/array */ - } idx[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 { - unsigned elts[VS_QUEUE_LENGTH]; /**< index into the user's vertex arrays */ - char *vertex_cache; - unsigned queue_nr; - unsigned post_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; - - /* This (and the tgsi_exec_machine struct) probably need to be moved somewhere private. */ struct gallivm_cpu_engine *engine; @@ -354,107 +219,49 @@ struct draw_context -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_line_stage( struct draw_context *context ); -extern struct draw_stage *draw_wide_point_stage( struct draw_context *context ); -extern struct draw_stage *draw_validate_stage( struct draw_context *context ); -extern void draw_free_temp_verts( struct draw_stage *stage ); -extern void draw_alloc_temp_verts( struct draw_stage *stage, unsigned nr ); -extern void draw_reset_vertex_ids( struct draw_context *draw ); +/******************************************************************************* + * Vertex processing (was passthrough) code: + */ +boolean draw_pt_init( struct draw_context *draw ); +void draw_pt_destroy( struct draw_context *draw ); +void draw_pt_reset_vertex_ids( struct draw_context *draw ); -extern int draw_vertex_cache_check_space( struct draw_context *draw, - unsigned nr_verts ); +/******************************************************************************* + * Primitive processing (pipeline) code: + */ -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 ); +boolean draw_pipeline_init( struct draw_context *draw ); +void draw_pipeline_destroy( struct draw_context *draw ); -extern void draw_vertex_shader_queue_flush( struct draw_context *draw ); +void draw_pipeline_run( struct draw_context *draw, + unsigned prim, + struct vertex_header *vertices, + unsigned vertex_count, + unsigned stride, + const ushort *elts, + unsigned count ); -extern void draw_update_vertex_fetch( struct draw_context *draw ); +void draw_pipeline_flush( struct draw_context *draw, + unsigned flags ); -extern boolean draw_need_pipeline(const struct draw_context *draw, - unsigned prim ); -/* Passthrough mode (second attempt): +/******************************************************************************* + * Flushing */ -boolean draw_pt_init( struct draw_context *draw ); -void draw_pt_destroy( struct draw_context *draw ); -boolean draw_pt_arrays( struct draw_context *draw, - unsigned prim, - unsigned start, - unsigned count ); -void draw_pt_reset_vertex_ids( struct draw_context *draw ); -void draw_pt_run_pipeline( struct draw_context *draw, - unsigned prim, - char *verts, - unsigned vertex_stride, - unsigned vertex_count, - const ushort *elts, - unsigned count ); - - -#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 ); -boolean draw_get_edgeflag( struct draw_context *draw, - unsigned idx ); -/** - * 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; -} - -static INLINE struct vertex_header * -draw_header_from_block(char *block, int size, int num) -{ - return (struct vertex_header*)(block + num * size); -} #endif /* DRAW_PRIVATE_H */ |