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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 FO_CONTEXT_H
#define FO_CONTEXT_H
#include "pipe/p_state.h"
#include "pipe/p_context.h"
#define FO_NEW_VIEWPORT 0x1
#define FO_NEW_RASTERIZER 0x2
#define FO_NEW_FRAGMENT_SHADER 0x4
#define FO_NEW_BLEND 0x8
#define FO_NEW_CLIP 0x10
#define FO_NEW_SCISSOR 0x20
#define FO_NEW_STIPPLE 0x40
#define FO_NEW_FRAMEBUFFER 0x80
#define FO_NEW_ALPHA_TEST 0x100
#define FO_NEW_DEPTH_STENCIL 0x200
#define FO_NEW_SAMPLER 0x400
#define FO_NEW_SAMPLER_VIEW 0x800
#define FO_NEW_VERTEX 0x2000
#define FO_NEW_VERTEX_SHADER 0x4000
#define FO_NEW_BLEND_COLOR 0x8000
#define FO_NEW_STENCIL_REF 0x10000
#define FO_NEW_CLEAR_COLOR 0x20000
#define FO_NEW_VERTEX_BUFFER 0x40000
#define FO_NEW_VERTEX_ELEMENT 0x80000
#define FO_HW 0
#define FO_SW 1
struct fo_state {
void *sw_state;
void *hw_state;
};
struct fo_sampler_view {
struct pipe_sampler_view base;
struct pipe_sampler_view *sw;
struct pipe_sampler_view *hw;
};
struct failover_context {
struct pipe_context pipe; /**< base class */
/* The most recent drawing state as set by the driver:
*/
const struct fo_state *blend;
const struct fo_state *sampler[PIPE_MAX_SAMPLERS];
const struct fo_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
const struct fo_state *depth_stencil;
const struct fo_state *rasterizer;
const struct fo_state *fragment_shader;
const struct fo_state *vertex_shader;
struct pipe_blend_color blend_color;
struct pipe_stencil_ref stencil_ref;
struct pipe_clip_state clip;
struct pipe_framebuffer_state framebuffer;
struct pipe_poly_stipple poly_stipple;
struct pipe_scissor_state scissor;
struct pipe_viewport_state viewport;
struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS];
struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS];
uint num_vertex_buffers;
uint num_vertex_elements;
void *sw_sampler_state[PIPE_MAX_SAMPLERS];
void *hw_sampler_state[PIPE_MAX_SAMPLERS];
void *sw_vertex_sampler_state[PIPE_MAX_VERTEX_SAMPLERS];
void *hw_vertex_sampler_state[PIPE_MAX_VERTEX_SAMPLERS];
struct fo_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS];
struct fo_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
unsigned num_fragment_sampler_views;
unsigned num_vertex_sampler_views;
unsigned dirty;
unsigned num_samplers;
unsigned num_vertex_samplers;
unsigned mode;
struct pipe_context *hw;
struct pipe_context *sw;
};
void failover_init_state_functions( struct failover_context *failover );
void failover_state_emit( struct failover_context *failover );
static INLINE struct failover_context *
failover_context( struct pipe_context *pipe )
{
return (struct failover_context *)pipe;
}
/* Internal functions
*/
void
failover_set_constant_buffer(struct pipe_context *pipe,
uint shader, uint index,
struct pipe_buffer *buf);
#endif /* FO_CONTEXT_H */
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