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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_STATE_H
#define LP_STATE_H
#include "pipe/p_state.h"
#include "tgsi/tgsi_scan.h"
#include "lp_jit.h"
#include "gallivm/lp_bld.h"
#include "gallivm/lp_bld_sample.h" /* for struct lp_sampler_static_state */
#define LP_NEW_VIEWPORT 0x1
#define LP_NEW_RASTERIZER 0x2
#define LP_NEW_FS 0x4
#define LP_NEW_BLEND 0x8
#define LP_NEW_CLIP 0x10
#define LP_NEW_SCISSOR 0x20
#define LP_NEW_STIPPLE 0x40
#define LP_NEW_FRAMEBUFFER 0x80
#define LP_NEW_DEPTH_STENCIL_ALPHA 0x100
#define LP_NEW_CONSTANTS 0x200
#define LP_NEW_SAMPLER 0x400
#define LP_NEW_SAMPLER_VIEW 0x800
#define LP_NEW_VERTEX 0x1000
#define LP_NEW_VS 0x2000
#define LP_NEW_QUERY 0x4000
#define LP_NEW_BLEND_COLOR 0x8000
struct vertex_info;
struct pipe_context;
struct llvmpipe_context;
struct lp_fragment_shader;
/** Indexes into jit_function[] array */
#define RAST_WHOLE 0
#define RAST_EDGE_TEST 1
struct lp_fragment_shader_variant_key
{
struct pipe_depth_state depth;
struct pipe_stencil_state stencil[2];
struct pipe_alpha_state alpha;
struct pipe_blend_state blend;
enum pipe_format zsbuf_format;
unsigned nr_cbufs:8;
unsigned flatshade:1;
unsigned scissor:1;
unsigned occlusion_count:1;
struct {
ubyte colormask;
} cbuf_blend[PIPE_MAX_COLOR_BUFS];
struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
};
struct lp_fragment_shader_variant
{
struct lp_fragment_shader_variant_key key;
boolean opaque;
LLVMValueRef function[2];
lp_jit_frag_func jit_function[2];
struct lp_fragment_shader_variant *next;
};
/** Subclass of pipe_shader_state */
struct lp_fragment_shader
{
struct pipe_shader_state base;
struct tgsi_shader_info info;
struct lp_fragment_shader_variant *variants;
};
/** Subclass of pipe_shader_state */
struct lp_vertex_shader
{
struct pipe_shader_state shader;
struct draw_vertex_shader *draw_data;
};
/** Vertex element state */
struct lp_velems_state
{
unsigned count;
struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
};
void
llvmpipe_set_framebuffer_state(struct pipe_context *,
const struct pipe_framebuffer_state *);
void
llvmpipe_update_fs(struct llvmpipe_context *lp);
void
llvmpipe_update_derived(struct llvmpipe_context *llvmpipe);
void
llvmpipe_init_sampler_funcs(struct llvmpipe_context *llvmpipe);
void
llvmpipe_init_blend_funcs(struct llvmpipe_context *llvmpipe);
void
llvmpipe_init_vertex_funcs(struct llvmpipe_context *llvmpipe);
void
llvmpipe_init_draw_funcs(struct llvmpipe_context *llvmpipe);
void
llvmpipe_init_clip_funcs(struct llvmpipe_context *llvmpipe);
void
llvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe);
void
llvmpipe_init_vs_funcs(struct llvmpipe_context *llvmpipe);
void
llvmpipe_init_rasterizer_funcs(struct llvmpipe_context *llvmpipe);
#endif
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