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/**************************************************************************
*
* 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 <keith@tungstengraphics.com>
*/
#ifndef SP_CONTEXT_H
#define SP_CONTEXT_H
#include "pipe/p_context.h"
#include "draw/draw_vertex.h"
#include "sp_quad_pipe.h"
struct softpipe_vbuf_render;
struct draw_context;
struct draw_stage;
struct softpipe_tile_cache;
struct softpipe_tex_tile_cache;
struct sp_fragment_shader;
struct sp_vertex_shader;
struct softpipe_context {
struct pipe_context pipe; /**< base class */
/** Constant state objects */
struct pipe_blend_state *blend;
struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
struct pipe_depth_stencil_alpha_state *depth_stencil;
struct pipe_rasterizer_state *rasterizer;
struct sp_fragment_shader *fs;
struct sp_vertex_shader *vs;
struct sp_geometry_shader *gs;
/** Other rendering state */
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_texture *vertex_textures[PIPE_MAX_VERTEX_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 num_samplers;
unsigned num_textures;
unsigned num_vertex_samplers;
unsigned num_vertex_textures;
unsigned num_vertex_elements;
unsigned num_vertex_buffers;
unsigned dirty; /**< Mask of SP_NEW_x flags */
/* Counter for occlusion queries. Note this supports overlapping
* queries.
*/
uint64_t occlusion_count;
unsigned active_query_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;
/** Which vertex shader output slot contains point size */
int psize_slot;
/** The reduced version of the primitive supplied by the state tracker */
unsigned reduced_api_prim;
/**
* The reduced primitive after unfilled triangles, wide-line decomposition,
* etc, are taken into account. This is the primitive type that's actually
* rasterized.
*/
unsigned reduced_prim;
/** Derived from scissor and surface bounds: */
struct pipe_scissor_state cliprect;
unsigned line_stipple_counter;
/** Conditional query object and mode */
struct pipe_query *render_cond_query;
uint render_cond_mode;
/** Software quad rendering pipeline */
struct {
struct quad_stage *shade;
struct quad_stage *depth_test;
struct quad_stage *blend;
struct quad_stage *first; /**< points to one of the above stages */
} quad;
/** TGSI exec things */
struct {
struct sp_sampler_varient *vert_samplers_list[PIPE_MAX_VERTEX_SAMPLERS];
struct sp_sampler_varient *frag_samplers_list[PIPE_MAX_SAMPLERS];
} tgsi;
/** The primitive drawing context */
struct draw_context *draw;
/** Draw module backend */
struct vbuf_render *vbuf_backend;
struct draw_stage *vbuf;
boolean dirty_render_cache;
struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
struct softpipe_tile_cache *zsbuf_cache;
unsigned tex_timestamp;
struct softpipe_tex_tile_cache *tex_cache[PIPE_MAX_SAMPLERS];
struct softpipe_tex_tile_cache *vertex_tex_cache[PIPE_MAX_VERTEX_SAMPLERS];
unsigned use_sse : 1;
unsigned dump_fs : 1;
unsigned dump_gs : 1;
unsigned no_rast : 1;
};
static INLINE struct softpipe_context *
softpipe_context( struct pipe_context *pipe )
{
return (struct softpipe_context *)pipe;
}
void
softpipe_reset_sampler_varients(struct softpipe_context *softpipe);
#endif /* SP_CONTEXT_H */
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