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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 LP_CONTEXT_H
#define LP_CONTEXT_H
#include "pipe/p_context.h"
#include "draw/draw_vertex.h"
#include "lp_tex_sample.h"
#include "lp_jit.h"
struct llvmpipe_vbuf_render;
struct draw_context;
struct draw_stage;
struct llvmpipe_tile_cache;
struct llvmpipe_tex_tile_cache;
struct lp_fragment_shader;
struct lp_vertex_shader;
struct lp_blend_state;
struct llvmpipe_context {
struct pipe_context pipe; /**< base class */
/** Constant state objects */
const struct pipe_blend_state *blend;
const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
const struct pipe_depth_stencil_alpha_state *depth_stencil;
const struct pipe_rasterizer_state *rasterizer;
struct lp_fragment_shader *fs;
const struct lp_vertex_shader *vs;
/** Other rendering state */
struct pipe_blend_color blend_color[4][16];
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 LP_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];
/** 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 actually rasterized.
*/
unsigned reduced_prim;
/** Derived from scissor and surface bounds: */
struct pipe_scissor_state cliprect;
unsigned line_stipple_counter;
/** TGSI exec things */
struct {
struct lp_shader_sampler vert_samplers[PIPE_MAX_SAMPLERS];
struct lp_shader_sampler *vert_samplers_list[PIPE_MAX_SAMPLERS];
struct lp_shader_sampler frag_samplers[PIPE_MAX_SAMPLERS];
struct lp_shader_sampler *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 llvmpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS];
/* TODO: we shouldn't be using external interfaces internally like this */
struct pipe_transfer *zsbuf_transfer;
uint8_t *zsbuf_map;
unsigned tex_timestamp;
struct llvmpipe_tex_tile_cache *tex_cache[PIPE_MAX_SAMPLERS];
struct llvmpipe_tex_tile_cache *vertex_tex_cache[PIPE_MAX_VERTEX_SAMPLERS];
unsigned no_rast : 1;
struct lp_jit_context jit_context;
};
static INLINE struct llvmpipe_context *
llvmpipe_context( struct pipe_context *pipe )
{
return (struct llvmpipe_context *)pipe;
}
#endif /* LP_CONTEXT_H */
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