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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_STATE_H
#define SP_STATE_H
#include "pipe/p_state.h"
#include "tgsi/tgsi_scan.h"
#define SP_NEW_VIEWPORT 0x1
#define SP_NEW_RASTERIZER 0x2
#define SP_NEW_FS 0x4
#define SP_NEW_BLEND 0x8
#define SP_NEW_CLIP 0x10
#define SP_NEW_SCISSOR 0x20
#define SP_NEW_STIPPLE 0x40
#define SP_NEW_FRAMEBUFFER 0x80
#define SP_NEW_DEPTH_STENCIL_ALPHA 0x100
#define SP_NEW_CONSTANTS 0x200
#define SP_NEW_SAMPLER 0x400
#define SP_NEW_TEXTURE 0x800
#define SP_NEW_VERTEX 0x1000
#define SP_NEW_VS 0x2000
#define SP_NEW_QUERY 0x4000
#define SP_NEW_GS 0x8000
#define SP_NEW_SO 0x10000
#define SP_NEW_SO_BUFFERS 0x20000
struct tgsi_sampler;
struct tgsi_exec_machine;
struct vertex_info;
/**
* 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 sp_fragment_shader {
struct pipe_shader_state shader;
struct tgsi_shader_info info;
struct draw_fragment_shader *draw_shader;
boolean origin_lower_left; /**< fragment shader uses lower left position origin? */
boolean pixel_center_integer; /**< fragment shader uses integer pixel center? */
void (*prepare)( const struct sp_fragment_shader *shader,
struct tgsi_exec_machine *machine,
struct tgsi_sampler **samplers);
/* Run the shader - this interface will get cleaned up in the
* future:
*/
unsigned (*run)( const struct sp_fragment_shader *shader,
struct tgsi_exec_machine *machine,
struct quad_header *quad );
void (*delete)( struct sp_fragment_shader * );
};
/** Subclass of pipe_shader_state */
struct sp_vertex_shader {
struct pipe_shader_state shader;
struct draw_vertex_shader *draw_data;
int max_sampler; /* -1 if no samplers */
};
/** Subclass of pipe_shader_state */
struct sp_geometry_shader {
struct pipe_shader_state shader;
struct draw_geometry_shader *draw_data;
int max_sampler;
};
struct sp_velems_state {
unsigned count;
struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
};
struct sp_so_state {
struct pipe_stream_output_state base;
};
void
softpipe_init_blend_funcs(struct pipe_context *pipe);
void
softpipe_init_clip_funcs(struct pipe_context *pipe);
void
softpipe_init_sampler_funcs(struct pipe_context *pipe);
void
softpipe_init_rasterizer_funcs(struct pipe_context *pipe);
void
softpipe_init_shader_funcs(struct pipe_context *pipe);
void
softpipe_init_streamout_funcs(struct pipe_context *pipe);
void
softpipe_init_vertex_funcs(struct pipe_context *pipe);
void
softpipe_set_framebuffer_state(struct pipe_context *,
const struct pipe_framebuffer_state *);
void
softpipe_update_derived( struct softpipe_context *softpipe );
void
softpipe_draw_vbo(struct pipe_context *pipe,
const struct pipe_draw_info *info);
void
softpipe_draw_stream_output(struct pipe_context *pipe, unsigned mode);
void
softpipe_map_transfers(struct softpipe_context *sp);
void
softpipe_unmap_transfers(struct softpipe_context *sp);
void
softpipe_map_texture_surfaces(struct softpipe_context *sp);
void
softpipe_unmap_texture_surfaces(struct softpipe_context *sp);
struct vertex_info *
softpipe_get_vertex_info(struct softpipe_context *softpipe);
struct vertex_info *
softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe);
#endif
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