forked from KolibriOS/kolibrios
228 lines
6.9 KiB
C
228 lines
6.9 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/* Authors: Keith Whitwell <keith@tungstengraphics.com>
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*/
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#ifndef SP_CONTEXT_H
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#define SP_CONTEXT_H
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#include "pipe/p_context.h"
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#include "util/u_blitter.h"
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#include "draw/draw_vertex.h"
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#include "sp_quad_pipe.h"
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/** Do polygon stipple in the draw module? */
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#define DO_PSTIPPLE_IN_DRAW_MODULE 0
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/** Do polygon stipple with the util module? */
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#define DO_PSTIPPLE_IN_HELPER_MODULE 1
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struct softpipe_vbuf_render;
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struct draw_context;
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struct draw_stage;
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struct softpipe_tile_cache;
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struct softpipe_tex_tile_cache;
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struct sp_fragment_shader;
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struct sp_vertex_shader;
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struct sp_velems_state;
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struct sp_so_state;
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struct softpipe_context {
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struct pipe_context pipe; /**< base class */
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/** Constant state objects */
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struct pipe_blend_state *blend;
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struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
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struct pipe_depth_stencil_alpha_state *depth_stencil;
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struct pipe_rasterizer_state *rasterizer;
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struct sp_fragment_shader *fs;
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struct sp_fragment_shader_variant *fs_variant;
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struct sp_vertex_shader *vs;
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struct sp_geometry_shader *gs;
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struct sp_velems_state *velems;
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struct sp_so_state *so;
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/** Other rendering state */
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struct pipe_blend_color blend_color;
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struct pipe_blend_color blend_color_clamped;
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struct pipe_stencil_ref stencil_ref;
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struct pipe_clip_state clip;
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struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
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struct pipe_framebuffer_state framebuffer;
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struct pipe_poly_stipple poly_stipple;
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struct pipe_scissor_state scissor;
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struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
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struct pipe_viewport_state viewport;
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struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
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struct pipe_index_buffer index_buffer;
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struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS];
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unsigned num_so_targets;
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struct pipe_query_data_so_statistics so_stats;
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unsigned num_primitives_generated;
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struct pipe_query_data_pipeline_statistics pipeline_statistics;
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unsigned active_statistics_queries;
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unsigned num_samplers[PIPE_SHADER_TYPES];
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unsigned num_sampler_views[PIPE_SHADER_TYPES];
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unsigned num_vertex_buffers;
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unsigned dirty; /**< Mask of SP_NEW_x flags */
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/* Counter for occlusion queries. Note this supports overlapping
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* queries.
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*/
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uint64_t occlusion_count;
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unsigned active_query_count;
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/** Mapped vertex buffers */
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ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
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/** Mapped constant buffers */
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const void *mapped_constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
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unsigned const_buffer_size[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
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/** Vertex format */
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struct vertex_info vertex_info;
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struct vertex_info vertex_info_vbuf;
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/** Which vertex shader output slot contains point size */
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int psize_slot;
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/** The reduced version of the primitive supplied by the state tracker */
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unsigned reduced_api_prim;
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/** Derived information about which winding orders to cull */
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unsigned cull_mode;
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/**
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* The reduced primitive after unfilled triangles, wide-line decomposition,
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* etc, are taken into account. This is the primitive type that's actually
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* rasterized.
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*/
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unsigned reduced_prim;
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/** Derived from scissor and surface bounds: */
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struct pipe_scissor_state cliprect;
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unsigned line_stipple_counter;
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/** Conditional query object and mode */
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struct pipe_query *render_cond_query;
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uint render_cond_mode;
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boolean render_cond_cond;
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/** Polygon stipple items */
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struct {
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struct pipe_resource *texture;
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struct pipe_sampler_state *sampler;
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struct pipe_sampler_view *sampler_view;
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} pstipple;
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/** Software quad rendering pipeline */
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struct {
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struct quad_stage *shade;
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struct quad_stage *depth_test;
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struct quad_stage *blend;
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struct quad_stage *pstipple;
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struct quad_stage *first; /**< points to one of the above stages */
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} quad;
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/** TGSI exec things */
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struct {
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struct sp_tgsi_sampler *sampler[PIPE_SHADER_TYPES];
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} tgsi;
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struct tgsi_exec_machine *fs_machine;
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/** The primitive drawing context */
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struct draw_context *draw;
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/** Draw module backend */
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struct vbuf_render *vbuf_backend;
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struct draw_stage *vbuf;
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struct blitter_context *blitter;
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boolean dirty_render_cache;
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struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
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struct softpipe_tile_cache *zsbuf_cache;
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unsigned tex_timestamp;
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/*
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* Texture caches for vertex, fragment, geometry stages.
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* Don't use PIPE_SHADER_TYPES here to avoid allocating unused memory
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* for compute shaders.
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* XXX wouldn't it make more sense for the tile cache to just be part
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* of sp_sampler_view?
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*/
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struct softpipe_tex_tile_cache *tex_cache[PIPE_SHADER_GEOMETRY+1][PIPE_MAX_SHADER_SAMPLER_VIEWS];
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unsigned dump_fs : 1;
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unsigned dump_gs : 1;
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unsigned no_rast : 1;
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};
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static INLINE struct softpipe_context *
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softpipe_context( struct pipe_context *pipe )
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{
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return (struct softpipe_context *)pipe;
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}
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struct pipe_context *
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softpipe_create_context( struct pipe_screen *, void *priv );
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struct pipe_resource *
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softpipe_user_buffer_create(struct pipe_screen *screen,
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void *ptr,
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unsigned bytes,
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unsigned bind_flags);
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#define SP_UNREFERENCED 0
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#define SP_REFERENCED_FOR_READ (1 << 0)
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#define SP_REFERENCED_FOR_WRITE (1 << 1)
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unsigned int
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softpipe_is_resource_referenced( struct pipe_context *pipe,
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struct pipe_resource *texture,
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unsigned level, int layer);
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#endif /* SP_CONTEXT_H */
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