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/**************************************************************************
*
* Copyright 2003 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 ST_CONTEXT_H
#define ST_CONTEXT_H
#include "mtypes.h"
#include "pipe/p_state.h"
struct st_context;
struct st_region;
struct st_texture_object;
struct st_texture_image;
struct st_fragment_program;
#define ST_NEW_MESA 0x1 /* Mesa state has changed */
#define ST_NEW_FRAGMENT_PROGRAM 0x2
#define ST_NEW_VERTEX_PROGRAM 0x4
struct st_state_flags {
GLuint mesa;
GLuint st;
};
struct st_tracked_state {
struct st_state_flags dirty;
void (*update)( struct st_context *st );
};
struct st_context
{
GLcontext *ctx;
struct pipe_context *pipe;
/* Eventually will use a cache to feed the pipe with
* create/bind/delete calls to constant state objects. Not yet
* though, we just shove random objects across the interface.
*/
struct {
struct pipe_alpha_test_state alpha_test;
struct pipe_blend_state blend;
struct pipe_blend_color blend_color;
struct pipe_clear_color_state clear_color;
struct pipe_clip_state clip;
struct pipe_depth_state depth;
struct pipe_framebuffer_state framebuffer;
struct pipe_fs_state fs;
struct pipe_poly_stipple poly_stipple;
struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS];
struct pipe_scissor_state scissor;
struct pipe_setup_state setup;
struct pipe_stencil_state stencil;
struct pipe_viewport_state viewport;
} state;
struct {
struct st_tracked_state tracked_state;
} constants;
struct {
struct gl_fragment_program *fragment_program;
} cb;
/* State to be validated:
*/
struct st_tracked_state **atoms;
GLuint nr_atoms;
struct st_state_flags dirty;
/* Counter to track program string changes:
*/
GLuint program_id;
GLfloat polygon_offset_scale; /* ?? */
};
/* Need this so that we can implement Mesa callbacks in this module.
*/
static INLINE struct st_context *st_context(GLcontext *ctx)
{
return ctx->st;
}
#endif
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