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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 <llvm-c/Core.h>
#include "pipe/p_state.h"
#include "tgsi/tgsi_scan.h"
#include "lp_jit.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_TEXTURE 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;
struct lp_fragment_shader_variant_key
{
struct pipe_depth_state depth;
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;
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 *shader;
struct lp_fragment_shader_variant_key key;
LLVMValueRef function[2];
lp_jit_frag_func jit_function[2];
struct lp_fragment_shader_variant *next;
};
/**
* Subclass of pipe_shader_state (though it doesn't really need to be).
*
* This is starting to look an awful lot like a quad pipeline stage...
*/
struct lp_fragment_shader
{
struct pipe_shader_state base;
struct tgsi_shader_info info;
struct lp_fragment_shader_variant *variants;
struct lp_fragment_shader_variant *current;
};
/** Subclass of pipe_shader_state */
struct lp_vertex_shader {
struct pipe_shader_state shader;
struct draw_vertex_shader *draw_data;
};
struct lp_velems_state {
unsigned count;
struct pipe_vertex_element velem[];
};
void *
llvmpipe_create_blend_state(struct pipe_context *,
const struct pipe_blend_state *);
void llvmpipe_bind_blend_state(struct pipe_context *,
void *);
void llvmpipe_delete_blend_state(struct pipe_context *,
void *);
void *
llvmpipe_create_sampler_state(struct pipe_context *,
const struct pipe_sampler_state *);
void llvmpipe_bind_sampler_states(struct pipe_context *, unsigned, void **);
void
llvmpipe_bind_vertex_sampler_states(struct pipe_context *,
unsigned num_samplers,
void **samplers);
void llvmpipe_delete_sampler_state(struct pipe_context *, void *);
void *
llvmpipe_create_depth_stencil_state(struct pipe_context *,
const struct pipe_depth_stencil_alpha_state *);
void llvmpipe_bind_depth_stencil_state(struct pipe_context *, void *);
void llvmpipe_delete_depth_stencil_state(struct pipe_context *, void *);
void *
llvmpipe_create_rasterizer_state(struct pipe_context *,
const struct pipe_rasterizer_state *);
void llvmpipe_bind_rasterizer_state(struct pipe_context *, void *);
void llvmpipe_delete_rasterizer_state(struct pipe_context *, void *);
void llvmpipe_set_framebuffer_state( struct pipe_context *,
const struct pipe_framebuffer_state * );
void llvmpipe_set_blend_color( struct pipe_context *pipe,
const struct pipe_blend_color *blend_color );
void llvmpipe_set_stencil_ref( struct pipe_context *pipe,
const struct pipe_stencil_ref *stencil_ref );
void llvmpipe_set_clip_state( struct pipe_context *,
const struct pipe_clip_state * );
void llvmpipe_set_constant_buffer(struct pipe_context *,
uint shader, uint index,
struct pipe_buffer *buf);
void *llvmpipe_create_fs_state(struct pipe_context *,
const struct pipe_shader_state *);
void llvmpipe_bind_fs_state(struct pipe_context *, void *);
void llvmpipe_delete_fs_state(struct pipe_context *, void *);
void *llvmpipe_create_vs_state(struct pipe_context *,
const struct pipe_shader_state *);
void llvmpipe_bind_vs_state(struct pipe_context *, void *);
void llvmpipe_delete_vs_state(struct pipe_context *, void *);
void *llvmpipe_create_vertex_elements_state(struct pipe_context *,
unsigned count,
const struct pipe_vertex_element *);
void llvmpipe_bind_vertex_elements_state(struct pipe_context *, void *);
void llvmpipe_delete_vertex_elements_state(struct pipe_context *, void *);
void llvmpipe_set_polygon_stipple( struct pipe_context *,
const struct pipe_poly_stipple * );
void llvmpipe_set_scissor_state( struct pipe_context *,
const struct pipe_scissor_state * );
void llvmpipe_set_sampler_textures( struct pipe_context *,
unsigned num,
struct pipe_texture ** );
void
llvmpipe_set_vertex_sampler_textures(struct pipe_context *,
unsigned num_textures,
struct pipe_texture **);
void llvmpipe_set_viewport_state( struct pipe_context *,
const struct pipe_viewport_state * );
void llvmpipe_set_vertex_buffers(struct pipe_context *,
unsigned count,
const struct pipe_vertex_buffer *);
void llvmpipe_update_fs(struct llvmpipe_context *lp);
void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe );
void llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
unsigned start, unsigned count);
void llvmpipe_draw_elements(struct pipe_context *pipe,
struct pipe_buffer *indexBuffer,
unsigned indexSize,
unsigned mode, unsigned start, unsigned count);
void
llvmpipe_draw_range_elements(struct pipe_context *pipe,
struct pipe_buffer *indexBuffer,
unsigned indexSize,
unsigned min_index,
unsigned max_index,
unsigned mode, unsigned start, unsigned count);
void
llvmpipe_map_texture_surfaces(struct llvmpipe_context *lp);
void
llvmpipe_unmap_texture_surfaces(struct llvmpipe_context *lp);
#endif
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