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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.
*
**************************************************************************/
#ifndef LP_SETUP_H
#define LP_SETUP_H
#include "pipe/p_compiler.h"
#include "lp_jit.h"
struct draw_context;
struct vertex_info;
enum lp_interp {
LP_INTERP_CONSTANT,
LP_INTERP_LINEAR,
LP_INTERP_PERSPECTIVE,
LP_INTERP_POSITION,
LP_INTERP_FACING
};
/**
* Describes how to compute the interpolation coefficients (a0, dadx, dady)
* from the vertices passed into our triangle/line/point functions by the
* draw module.
*
* Vertices are treated as an array of float[4] values, indexed by
* src_index.
*/
struct lp_shader_input {
enum lp_interp interp; /* how to interpolate values */
unsigned src_index; /* where to find values in incoming vertices */
unsigned usage_mask; /* bitmask of TGSI_WRITEMASK_x flags */
};
struct pipe_resource;
struct pipe_query;
struct pipe_surface;
struct pipe_blend_color;
struct pipe_screen;
struct pipe_framebuffer_state;
struct lp_fragment_shader_variant;
struct lp_jit_context;
struct llvmpipe_query;
struct pipe_fence_handle;
struct lp_setup_context *
lp_setup_create( struct pipe_context *pipe,
struct draw_context *draw );
void
lp_setup_clear(struct lp_setup_context *setup,
const float *clear_color,
double clear_depth,
unsigned clear_stencil,
unsigned flags);
void
lp_setup_flush( struct lp_setup_context *setup,
unsigned flags,
struct pipe_fence_handle **fence,
const char *reason);
void
lp_setup_bind_framebuffer( struct lp_setup_context *setup,
const struct pipe_framebuffer_state *fb );
void
lp_setup_set_triangle_state( struct lp_setup_context *setup,
unsigned cullmode,
boolean front_is_ccw,
boolean scissor,
boolean gl_rasterization_rules );
void
lp_setup_set_line_state( struct lp_setup_context *setup,
float line_width);
void
lp_setup_set_point_state( struct lp_setup_context *setup,
float point_size,
boolean point_size_per_vertex,
uint sprite_coord_enable,
uint sprite_coord_origin);
void
lp_setup_set_fs_inputs( struct lp_setup_context *setup,
const struct lp_shader_input *interp,
unsigned nr );
void
lp_setup_set_fs_variant( struct lp_setup_context *setup,
struct lp_fragment_shader_variant *variant );
void
lp_setup_set_fs_constants(struct lp_setup_context *setup,
struct pipe_resource *buffer);
void
lp_setup_set_alpha_ref_value( struct lp_setup_context *setup,
float alpha_ref_value );
void
lp_setup_set_stencil_ref_values( struct lp_setup_context *setup,
const ubyte refs[2] );
void
lp_setup_set_blend_color( struct lp_setup_context *setup,
const struct pipe_blend_color *blend_color );
void
lp_setup_set_scissor( struct lp_setup_context *setup,
const struct pipe_scissor_state *scissor );
void
lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup,
unsigned num,
struct pipe_sampler_view **views);
unsigned
lp_setup_is_resource_referenced( const struct lp_setup_context *setup,
const struct pipe_resource *texture );
void
lp_setup_set_flatshade_first( struct lp_setup_context *setup,
boolean flatshade_first );
void
lp_setup_set_vertex_info( struct lp_setup_context *setup,
struct vertex_info *info );
void
lp_setup_begin_query(struct lp_setup_context *setup,
struct llvmpipe_query *pq);
void
lp_setup_end_query(struct lp_setup_context *setup,
struct llvmpipe_query *pq);
#endif
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