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Diffstat (limited to 'src/gallium/drivers/softpipe/sp_context.h')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_context.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h new file mode 100644 index 00000000000..e2451c6ecb5 --- /dev/null +++ b/src/gallium/drivers/softpipe/sp_context.h @@ -0,0 +1,174 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/* Authors: Keith Whitwell <[email protected]> + */ + +#ifndef SP_CONTEXT_H +#define SP_CONTEXT_H + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" + +#include "draw/draw_vertex.h" + +#include "sp_quad.h" +#include "sp_tex_sample.h" + + +/** + * This is a temporary variable for testing draw-stage polygon stipple. + * If zero, do stipple in sp_quad_stipple.c + */ +#define USE_DRAW_STAGE_PSTIPPLE 1 + +/* Number of threads working on individual quads. + * Setting to 1 disables this feature. + */ +#define SP_NUM_QUAD_THREADS 1 + +struct softpipe_winsys; +struct softpipe_vbuf_render; +struct draw_context; +struct draw_stage; +struct softpipe_tile_cache; +struct sp_fragment_shader; +struct sp_vertex_shader; + + +struct softpipe_context { + struct pipe_context pipe; /**< base class */ + + /* The most recent drawing state as set by the driver: + */ + const struct pipe_blend_state *blend; + const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS]; + const struct pipe_depth_stencil_alpha_state *depth_stencil; + const struct pipe_rasterizer_state *rasterizer; + const struct sp_fragment_shader *fs; + const struct sp_vertex_shader *vs; + + struct pipe_blend_color blend_color; + struct pipe_clip_state clip; + struct pipe_constant_buffer constants[PIPE_SHADER_TYPES]; + struct pipe_framebuffer_state framebuffer; + struct pipe_poly_stipple poly_stipple; + struct pipe_scissor_state scissor; + struct pipe_texture *texture[PIPE_MAX_SAMPLERS]; + struct pipe_viewport_state viewport; + struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; + struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS]; + unsigned dirty; + + unsigned num_samplers; + unsigned num_textures; + unsigned num_vertex_elements; + unsigned num_vertex_buffers; + + boolean no_rast; + + /* Counter for occlusion queries. Note this supports overlapping + * queries. + */ + uint64_t occlusion_count; + + /* + * Mapped vertex buffers + */ + ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS]; + + /** Mapped constant buffers */ + void *mapped_constants[PIPE_SHADER_TYPES]; + + /** Vertex format */ + struct vertex_info vertex_info; + struct vertex_info vertex_info_vbuf; + + int psize_slot; + + unsigned reduced_api_prim; /**< PIPE_PRIM_POINTS, _LINES or _TRIANGLES */ + +#if 0 + /* Stipple derived state: + */ + ubyte stipple_masks[16][16]; +#endif + + /** Derived from scissor and surface bounds: */ + struct pipe_scissor_state cliprect; + + unsigned line_stipple_counter; + + /** Software quad rendering pipeline */ + struct { + struct quad_stage *polygon_stipple; + struct quad_stage *earlyz; + struct quad_stage *shade; + struct quad_stage *alpha_test; + struct quad_stage *stencil_test; + struct quad_stage *depth_test; + struct quad_stage *occlusion; + struct quad_stage *coverage; + struct quad_stage *blend; + struct quad_stage *colormask; + struct quad_stage *output; + + struct quad_stage *first; /**< points to one of the above stages */ + } quad[SP_NUM_QUAD_THREADS]; + + /** TGSI exec things */ + struct { + struct sp_shader_sampler vert_samplers[PIPE_MAX_SAMPLERS]; + struct sp_shader_sampler *vert_samplers_list[PIPE_MAX_SAMPLERS]; + struct sp_shader_sampler frag_samplers[PIPE_MAX_SAMPLERS]; + struct sp_shader_sampler *frag_samplers_list[PIPE_MAX_SAMPLERS]; + } tgsi; + + /** The primitive drawing context */ + struct draw_context *draw; + struct draw_stage *setup; + struct draw_stage *vbuf; + struct softpipe_vbuf_render *vbuf_render; + + struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS]; + struct softpipe_tile_cache *zsbuf_cache; + + struct softpipe_tile_cache *tex_cache[PIPE_MAX_SAMPLERS]; + + int use_sse : 1; + int dump_fs : 1; +}; + + +static INLINE struct softpipe_context * +softpipe_context( struct pipe_context *pipe ) +{ + return (struct softpipe_context *)pipe; +} + +#endif /* SP_CONTEXT_H */ + |