| /************************************************************************** |
| * |
| * 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_TEXTURE 0x800 |
| #define FO_NEW_VERTEX 0x2000 |
| #define FO_NEW_VERTEX_SHADER 0x4000 |
| #define FO_NEW_BLEND_COLOR 0x8000 |
| #define FO_NEW_CLEAR_COLOR 0x10000 |
| #define FO_NEW_VERTEX_BUFFER 0x20000 |
| #define FO_NEW_VERTEX_ELEMENT 0x40000 |
| |
| |
| |
| #define FO_HW 0 |
| #define FO_SW 1 |
| |
| struct fo_state { |
| void *sw_state; |
| void *hw_state; |
| }; |
| 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_clip_state clip; |
| struct pipe_framebuffer_state framebuffer; |
| struct pipe_poly_stipple poly_stipple; |
| struct pipe_scissor_state scissor; |
| struct pipe_texture *texture[PIPE_MAX_SAMPLERS]; |
| struct pipe_texture *vertex_textures[PIPE_MAX_VERTEX_SAMPLERS]; |
| 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]; |
| |
| unsigned dirty; |
| |
| unsigned num_samplers; |
| unsigned num_vertex_samplers; |
| unsigned num_textures; |
| unsigned num_vertex_textures; |
| |
| 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, |
| const struct pipe_constant_buffer *buf); |
| |
| |
| #endif /* FO_CONTEXT_H */ |