src/gallium/drivers/r600/r600_pipe.h - fp2-dev/platform/external/mesa3d - Gitiles

 /*
  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
  *
  * 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
  * on 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
  * THE AUTHOR(S) AND/OR THEIR 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:
  *      Jerome Glisse
  */
 #ifndef R600_PIPE_H
 #define R600_PIPE_H

 #include "../../winsys/radeon/drm/radeon_winsys.h"

 #include <pipe/p_state.h>
 #include <pipe/p_screen.h>
 #include <pipe/p_context.h>
 #include <util/u_math.h>
 #include "util/u_slab.h"
 #include "util/u_vbuf_mgr.h"
 #include "r600.h"
 #include "r600_public.h"
 #include "r600_shader.h"
 #include "r600_resource.h"

 #define R600_MAX_CONST_BUFFERS 1
 #define R600_MAX_CONST_BUFFER_SIZE 4096

 #ifdef PIPE_ARCH_BIG_ENDIAN
 #define R600_BIG_ENDIAN 1
 #else
 #define R600_BIG_ENDIAN 0
 #endif

 enum r600_pipe_state_id {
 	R600_PIPE_STATE_BLEND = 0,
 	R600_PIPE_STATE_BLEND_COLOR,
 	R600_PIPE_STATE_CONFIG,
 	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
 	R600_PIPE_STATE_CLIP,
 	R600_PIPE_STATE_SCISSOR,
 	R600_PIPE_STATE_VIEWPORT,
 	R600_PIPE_STATE_RASTERIZER,
 	R600_PIPE_STATE_VGT,
 	R600_PIPE_STATE_FRAMEBUFFER,
 	R600_PIPE_STATE_DSA,
 	R600_PIPE_STATE_STENCIL_REF,
 	R600_PIPE_STATE_PS_SHADER,
 	R600_PIPE_STATE_VS_SHADER,
 	R600_PIPE_STATE_CONSTANT,
 	R600_PIPE_STATE_SAMPLER,
 	R600_PIPE_STATE_RESOURCE,
 	R600_PIPE_STATE_POLYGON_OFFSET,
 	R600_PIPE_STATE_FETCH_SHADER,
 	R600_PIPE_STATE_SPI,
 	R600_PIPE_NSTATES
 };

 struct r600_screen {
 	struct pipe_screen		screen;
 	struct radeon_winsys		*ws;
 	struct radeon			*radeon;
 	struct r600_tiling_info		*tiling_info;
 	struct util_slab_mempool	pool_buffers;
 	unsigned			num_contexts;

 	/* for thread-safe write accessing to num_contexts */
 	pipe_mutex			mutex_num_contexts;
 };

 struct r600_pipe_sampler_view {
 	struct pipe_sampler_view	base;
 	struct r600_pipe_resource_state		state;
 };

 struct r600_pipe_rasterizer {
 	struct r600_pipe_state		rstate;
 	boolean				clamp_vertex_color;
 	boolean				clamp_fragment_color;
 	boolean				flatshade;
 	unsigned			sprite_coord_enable;
 	float				offset_units;
 	float				offset_scale;
 };

 struct r600_pipe_blend {
 	struct r600_pipe_state		rstate;
 	unsigned			cb_target_mask;
 };

 struct r600_pipe_dsa {
 	struct r600_pipe_state		rstate;
 	unsigned			alpha_ref;
 };

 struct r600_vertex_element
 {
 	unsigned			count;
 	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
 	struct u_vbuf_mgr_elements	*vmgr_elements;
 	struct r600_bo			*fetch_shader;
 	unsigned			fs_size;
 	struct r600_pipe_state		rstate;
 	/* if offset is to big for fetch instructio we need to alterate
 	 * offset of vertex buffer, record here the offset need to add
 	 */
 	unsigned			vbuffer_need_offset;
 	unsigned			vbuffer_offset[PIPE_MAX_ATTRIBS];
 };

 struct r600_pipe_shader {
 	struct r600_shader		shader;
 	struct r600_pipe_state		rstate;
 	struct r600_bo			*bo;
 	struct r600_bo			*bo_fetch;
 	struct r600_vertex_element	vertex_elements;
 	struct tgsi_token		*tokens;
 };

 struct r600_pipe_sampler_state {
 	struct r600_pipe_state		rstate;
 	boolean seamless_cube_map;
 };

 /* needed for blitter save */
 #define NUM_TEX_UNITS 16

 struct r600_textures_info {
 	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
 	unsigned			n_views;
 	void				*samplers[NUM_TEX_UNITS];
 	unsigned			n_samplers;
 };

 struct r600_fence {
 	struct pipe_reference		reference;
 	struct r600_pipe_context	*ctx;
 	unsigned			index; /* in the shared bo */
 	struct list_head		head;
 };

 #define FENCE_BLOCK_SIZE 16

 struct r600_fence_block {
 	struct r600_fence		fences[FENCE_BLOCK_SIZE];
 	struct list_head		head;
 };

 struct r600_pipe_fences {
 	struct r600_bo			*bo;
 	unsigned			*data;
 	unsigned			next_index;
 	/* linked list of preallocated blocks */
 	struct list_head		blocks;
 	/* linked list of freed fences */
 	struct list_head		pool;
 };

 #define R600_CONSTANT_ARRAY_SIZE 256
 #define R600_RESOURCE_ARRAY_SIZE 160

 struct r600_pipe_context {
 	struct pipe_context		context;
 	struct blitter_context		*blitter;
 	enum radeon_family		family;
 	enum chip_class			chip_class;
 	void				*custom_dsa_flush;
 	struct r600_screen		*screen;
 	struct radeon			*radeon;
 	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
 	struct r600_context		ctx;
 	struct r600_vertex_element	*vertex_elements;
 	struct r600_pipe_resource_state	fs_resource[PIPE_MAX_ATTRIBS];
 	struct pipe_framebuffer_state	framebuffer;
 	struct pipe_index_buffer	index_buffer;
 	unsigned			cb_target_mask;
 	/* for saving when using blitter */
 	struct pipe_stencil_ref		stencil_ref;
 	struct pipe_viewport_state	viewport;
 	struct pipe_clip_state		clip;
 	struct r600_pipe_state		config;
 	struct r600_pipe_shader 	*ps_shader;
 	struct r600_pipe_shader 	*vs_shader;
 	struct r600_pipe_state		vs_const_buffer;
 	struct r600_pipe_resource_state		vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 	struct r600_pipe_state		ps_const_buffer;
 	struct r600_pipe_resource_state		ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 	struct r600_pipe_rasterizer	*rasterizer;
 	struct r600_pipe_state          vgt;
 	struct r600_pipe_state          spi;
 	struct pipe_query		*current_render_cond;
 	unsigned			current_render_cond_mode;
 	struct pipe_query		*saved_render_cond;
 	unsigned			saved_render_cond_mode;
 	/* shader information */
 	boolean				clamp_vertex_color;
 	boolean				clamp_fragment_color;
 	boolean				spi_dirty;
 	unsigned			sprite_coord_enable;
 	boolean				flatshade;
 	boolean				export_16bpc;
 	unsigned			alpha_ref;
 	boolean				alpha_ref_dirty;
 	unsigned			nr_cbufs;
 	struct r600_textures_info	ps_samplers;

 	struct r600_pipe_fences		fences;

 	struct u_vbuf_mgr		*vbuf_mgr;
 	struct util_slab_mempool	pool_transfers;
 	boolean				blit;
 	boolean				have_depth_texture, have_depth_fb;

 	unsigned default_ps_gprs, default_vs_gprs;
 };

 struct r600_drawl {
 	struct pipe_draw_info	info;
 	struct pipe_context	*ctx;
 	unsigned		index_size;
 	unsigned		index_buffer_offset;
 	struct pipe_resource	*index_buffer;
 };

 /* evergreen_state.c */
 void evergreen_init_state_functions(struct r600_pipe_context *rctx);
 void evergreen_init_config(struct r600_pipe_context *rctx);
 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 void *evergreen_create_db_flush_dsa(struct r600_pipe_context *rctx);
 void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
 void evergreen_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
 					 struct r600_pipe_resource_state *rstate);
 void evergreen_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
 					struct r600_resource *rbuffer,
 					unsigned offset, unsigned stride,
 					enum radeon_bo_usage usage);
 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 				      enum pipe_format format,
 				      enum pipe_texture_target target,
 				      unsigned sample_count,
 				      unsigned usage);

 /* r600_blit.c */
 void r600_init_blit_functions(struct r600_pipe_context *rctx);
 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 void r600_flush_depth_textures(struct r600_pipe_context *rctx);

 /* r600_buffer.c */
 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 					 const struct pipe_resource *templ);
 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 					      void *ptr, unsigned bytes,
 					      unsigned bind);
 struct pipe_resource *r600_buffer_from_handle(struct pipe_screen *screen,
 					      struct winsys_handle *whandle);
 void r600_upload_index_buffer(struct r600_pipe_context *rctx, struct r600_drawl *draw);


 /* r600_pipe.c */
 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 		unsigned flags);

 /* r600_query.c */
 void r600_init_query_functions(struct r600_pipe_context *rctx);

 /* r600_resource.c */
 void r600_init_context_resource_functions(struct r600_pipe_context *r600);

 /* r600_shader.c */
 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 int r600_find_vs_semantic_index(struct r600_shader *vs,
 				struct r600_shader *ps, int id);

 /* r600_state.c */
 void r600_init_state_functions(struct r600_pipe_context *rctx);
 void r600_init_config(struct r600_pipe_context *rctx);
 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
 void r600_polygon_offset_update(struct r600_pipe_context *rctx);
 void r600_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
 				    struct r600_pipe_resource_state *rstate);
 void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
 				   struct r600_resource *rbuffer,
 				   unsigned offset, unsigned stride,
 				   enum radeon_bo_usage usage);
 void r600_adjust_gprs(struct r600_pipe_context *rctx);
 boolean r600_is_format_supported(struct pipe_screen *screen,
 				 enum pipe_format format,
 				 enum pipe_texture_target target,
 				 unsigned sample_count,
 				 unsigned usage);

 /* r600_texture.c */
 void r600_init_screen_texture_functions(struct pipe_screen *screen);
 void r600_init_surface_functions(struct r600_pipe_context *r600);
 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
 				  const unsigned char *swizzle_view,
 				  uint32_t *word4_p, uint32_t *yuv_format_p);
 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
 					unsigned level, unsigned layer);

 /* r600_translate.c */
 void r600_translate_index_buffer(struct r600_pipe_context *r600,
 				 struct pipe_resource **index_buffer,
 				 unsigned *index_size,
 				 unsigned *start, unsigned count);

 /* r600_state_common.c */
 void r600_set_index_buffer(struct pipe_context *ctx,
 			   const struct pipe_index_buffer *ib);
 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 			     const struct pipe_vertex_buffer *buffers);
 void *r600_create_vertex_elements(struct pipe_context *ctx,
 				  unsigned count,
 				  const struct pipe_vertex_element *elements);
 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 void r600_sampler_view_destroy(struct pipe_context *ctx,
 			       struct pipe_sampler_view *state);
 void r600_delete_state(struct pipe_context *ctx, void *state);
 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
 void *r600_create_shader_state(struct pipe_context *ctx,
 			       const struct pipe_shader_state *state);
 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 			      struct pipe_resource *buffer);
 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);

 /*
  * common helpers
  */
 static INLINE u32 S_FIXED(float value, u32 frac_bits)
 {
 	return value * (1 << frac_bits);
 }
 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))

 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 {
 	if (filter <= 1)   return 0;
 	if (filter <= 2)   return 1;
 	if (filter <= 4)   return 2;
 	if (filter <= 8)   return 3;
 	 /* else */        return 4;
 }

 #endif
	/*
	* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
	*
	* 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
	* on 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
	* THE AUTHOR(S) AND/OR THEIR 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:
	* Jerome Glisse
	*/
	#ifndef R600_PIPE_H
	#define R600_PIPE_H

	#include "../../winsys/radeon/drm/radeon_winsys.h"

	#include <pipe/p_state.h>
	#include <pipe/p_screen.h>
	#include <pipe/p_context.h>
	#include <util/u_math.h>
	#include "util/u_slab.h"
	#include "util/u_vbuf_mgr.h"
	#include "r600.h"
	#include "r600_public.h"
	#include "r600_shader.h"
	#include "r600_resource.h"

	#define R600_MAX_CONST_BUFFERS 1
	#define R600_MAX_CONST_BUFFER_SIZE 4096

	#ifdef PIPE_ARCH_BIG_ENDIAN
	#define R600_BIG_ENDIAN 1
	#else
	#define R600_BIG_ENDIAN 0
	#endif

	enum r600_pipe_state_id {
	R600_PIPE_STATE_BLEND = 0,
	R600_PIPE_STATE_BLEND_COLOR,
	R600_PIPE_STATE_CONFIG,
	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
	R600_PIPE_STATE_CLIP,
	R600_PIPE_STATE_SCISSOR,
	R600_PIPE_STATE_VIEWPORT,
	R600_PIPE_STATE_RASTERIZER,
	R600_PIPE_STATE_VGT,
	R600_PIPE_STATE_FRAMEBUFFER,
	R600_PIPE_STATE_DSA,
	R600_PIPE_STATE_STENCIL_REF,
	R600_PIPE_STATE_PS_SHADER,
	R600_PIPE_STATE_VS_SHADER,
	R600_PIPE_STATE_CONSTANT,
	R600_PIPE_STATE_SAMPLER,
	R600_PIPE_STATE_RESOURCE,
	R600_PIPE_STATE_POLYGON_OFFSET,
	R600_PIPE_STATE_FETCH_SHADER,
	R600_PIPE_STATE_SPI,
	R600_PIPE_NSTATES
	};

	struct r600_screen {
	struct pipe_screen screen;
	struct radeon_winsys *ws;
	struct radeon *radeon;
	struct r600_tiling_info *tiling_info;
	struct util_slab_mempool pool_buffers;
	unsigned num_contexts;

	/* for thread-safe write accessing to num_contexts */
	pipe_mutex mutex_num_contexts;
	};

	struct r600_pipe_sampler_view {
	struct pipe_sampler_view base;
	struct r600_pipe_resource_state state;
	};

	struct r600_pipe_rasterizer {
	struct r600_pipe_state rstate;
	boolean clamp_vertex_color;
	boolean clamp_fragment_color;
	boolean flatshade;
	unsigned sprite_coord_enable;
	float offset_units;
	float offset_scale;
	};

	struct r600_pipe_blend {
	struct r600_pipe_state rstate;
	unsigned cb_target_mask;
	};

	struct r600_pipe_dsa {
	struct r600_pipe_state rstate;
	unsigned alpha_ref;
	};

	struct r600_vertex_element
	{
	unsigned count;
	struct pipe_vertex_element elements[PIPE_MAX_ATTRIBS];
	struct u_vbuf_mgr_elements *vmgr_elements;
	struct r600_bo *fetch_shader;
	unsigned fs_size;
	struct r600_pipe_state rstate;
	/* if offset is to big for fetch instructio we need to alterate
	* offset of vertex buffer, record here the offset need to add
	*/
	unsigned vbuffer_need_offset;
	unsigned vbuffer_offset[PIPE_MAX_ATTRIBS];
	};

	struct r600_pipe_shader {
	struct r600_shader shader;
	struct r600_pipe_state rstate;
	struct r600_bo *bo;
	struct r600_bo *bo_fetch;
	struct r600_vertex_element vertex_elements;
	struct tgsi_token *tokens;
	};

	struct r600_pipe_sampler_state {
	struct r600_pipe_state rstate;
	boolean seamless_cube_map;
	};

	/* needed for blitter save */
	#define NUM_TEX_UNITS 16

	struct r600_textures_info {
	struct r600_pipe_sampler_view *views[NUM_TEX_UNITS];
	unsigned n_views;
	void *samplers[NUM_TEX_UNITS];
	unsigned n_samplers;
	};

	struct r600_fence {
	struct pipe_reference reference;
	struct r600_pipe_context *ctx;
	unsigned index; /* in the shared bo */
	struct list_head head;
	};

	#define FENCE_BLOCK_SIZE 16

	struct r600_fence_block {
	struct r600_fence fences[FENCE_BLOCK_SIZE];
	struct list_head head;
	};

	struct r600_pipe_fences {
	struct r600_bo *bo;
	unsigned *data;
	unsigned next_index;
	/* linked list of preallocated blocks */
	struct list_head blocks;
	/* linked list of freed fences */
	struct list_head pool;
	};

	#define R600_CONSTANT_ARRAY_SIZE 256
	#define R600_RESOURCE_ARRAY_SIZE 160

	struct r600_pipe_context {
	struct pipe_context context;
	struct blitter_context *blitter;
	enum radeon_family family;
	enum chip_class chip_class;
	void *custom_dsa_flush;
	struct r600_screen *screen;
	struct radeon *radeon;
	struct r600_pipe_state *states[R600_PIPE_NSTATES];
	struct r600_context ctx;
	struct r600_vertex_element *vertex_elements;
	struct r600_pipe_resource_state fs_resource[PIPE_MAX_ATTRIBS];
	struct pipe_framebuffer_state framebuffer;
	struct pipe_index_buffer index_buffer;
	unsigned cb_target_mask;
	/* for saving when using blitter */
	struct pipe_stencil_ref stencil_ref;
	struct pipe_viewport_state viewport;
	struct pipe_clip_state clip;
	struct r600_pipe_state config;
	struct r600_pipe_shader *ps_shader;
	struct r600_pipe_shader *vs_shader;
	struct r600_pipe_state vs_const_buffer;
	struct r600_pipe_resource_state vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
	struct r600_pipe_state ps_const_buffer;
	struct r600_pipe_resource_state ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
	struct r600_pipe_rasterizer *rasterizer;
	struct r600_pipe_state vgt;
	struct r600_pipe_state spi;
	struct pipe_query *current_render_cond;
	unsigned current_render_cond_mode;
	struct pipe_query *saved_render_cond;
	unsigned saved_render_cond_mode;
	/* shader information */
	boolean clamp_vertex_color;
	boolean clamp_fragment_color;
	boolean spi_dirty;
	unsigned sprite_coord_enable;
	boolean flatshade;
	boolean export_16bpc;
	unsigned alpha_ref;
	boolean alpha_ref_dirty;
	unsigned nr_cbufs;
	struct r600_textures_info ps_samplers;

	struct r600_pipe_fences fences;

	struct u_vbuf_mgr *vbuf_mgr;
	struct util_slab_mempool pool_transfers;
	boolean blit;
	boolean have_depth_texture, have_depth_fb;

	unsigned default_ps_gprs, default_vs_gprs;
	};

	struct r600_drawl {
	struct pipe_draw_info info;
	struct pipe_context *ctx;
	unsigned index_size;
	unsigned index_buffer_offset;
	struct pipe_resource *index_buffer;
	};

	/* evergreen_state.c */
	void evergreen_init_state_functions(struct r600_pipe_context *rctx);
	void evergreen_init_config(struct r600_pipe_context *rctx);
	void evergreen_pipe_shader_ps(struct pipe_context ctx, struct r600_pipe_shader shader);
	void evergreen_pipe_shader_vs(struct pipe_context ctx, struct r600_pipe_shader shader);
	void evergreen_fetch_shader(struct pipe_context ctx, struct r600_vertex_element ve);
	void evergreen_create_db_flush_dsa(struct r600_pipe_context rctx);
	void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
	void evergreen_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
	struct r600_pipe_resource_state *rstate);
	void evergreen_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
	struct r600_resource *rbuffer,
	unsigned offset, unsigned stride,
	enum radeon_bo_usage usage);
	boolean evergreen_is_format_supported(struct pipe_screen *screen,
	enum pipe_format format,
	enum pipe_texture_target target,
	unsigned sample_count,
	unsigned usage);

	/* r600_blit.c */
	void r600_init_blit_functions(struct r600_pipe_context *rctx);
	void r600_blit_uncompress_depth(struct pipe_context ctx, struct r600_resource_texture texture);
	void r600_blit_push_depth(struct pipe_context ctx, struct r600_resource_texture texture);
	void r600_flush_depth_textures(struct r600_pipe_context *rctx);

	/* r600_buffer.c */
	struct pipe_resource r600_buffer_create(struct pipe_screen screen,
	const struct pipe_resource *templ);
	struct pipe_resource r600_user_buffer_create(struct pipe_screen screen,
	void *ptr, unsigned bytes,
	unsigned bind);
	struct pipe_resource r600_buffer_from_handle(struct pipe_screen screen,
	struct winsys_handle *whandle);
	void r600_upload_index_buffer(struct r600_pipe_context rctx, struct r600_drawl draw);


	/* r600_pipe.c */
	void r600_flush(struct pipe_context ctx, struct pipe_fence_handle *fence,
	unsigned flags);

	/* r600_query.c */
	void r600_init_query_functions(struct r600_pipe_context *rctx);

	/* r600_resource.c */
	void r600_init_context_resource_functions(struct r600_pipe_context *r600);

	/* r600_shader.c */
	int r600_pipe_shader_create(struct pipe_context ctx, struct r600_pipe_shader shader);
	void r600_pipe_shader_destroy(struct pipe_context ctx, struct r600_pipe_shader shader);
	int r600_find_vs_semantic_index(struct r600_shader *vs,
	struct r600_shader *ps, int id);

	/* r600_state.c */
	void r600_init_state_functions(struct r600_pipe_context *rctx);
	void r600_init_config(struct r600_pipe_context *rctx);
	void r600_pipe_shader_ps(struct pipe_context ctx, struct r600_pipe_shader shader);
	void r600_pipe_shader_vs(struct pipe_context ctx, struct r600_pipe_shader shader);
	void r600_fetch_shader(struct pipe_context ctx, struct r600_vertex_element ve);
	void r600_create_db_flush_dsa(struct r600_pipe_context rctx);
	void r600_polygon_offset_update(struct r600_pipe_context *rctx);
	void r600_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
	struct r600_pipe_resource_state *rstate);
	void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
	struct r600_resource *rbuffer,
	unsigned offset, unsigned stride,
	enum radeon_bo_usage usage);
	void r600_adjust_gprs(struct r600_pipe_context *rctx);
	boolean r600_is_format_supported(struct pipe_screen *screen,
	enum pipe_format format,
	enum pipe_texture_target target,
	unsigned sample_count,
	unsigned usage);

	/* r600_texture.c */
	void r600_init_screen_texture_functions(struct pipe_screen *screen);
	void r600_init_surface_functions(struct r600_pipe_context *r600);
	uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
	const unsigned char *swizzle_view,
	uint32_t word4_p, uint32_t yuv_format_p);
	unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
	unsigned level, unsigned layer);

	/* r600_translate.c */
	void r600_translate_index_buffer(struct r600_pipe_context *r600,
	struct pipe_resource **index_buffer,
	unsigned *index_size,
	unsigned *start, unsigned count);

	/* r600_state_common.c */
	void r600_set_index_buffer(struct pipe_context *ctx,
	const struct pipe_index_buffer *ib);
	void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
	const struct pipe_vertex_buffer *buffers);
	void r600_create_vertex_elements(struct pipe_context ctx,
	unsigned count,
	const struct pipe_vertex_element *elements);
	void r600_delete_vertex_element(struct pipe_context ctx, void state);
	void r600_bind_blend_state(struct pipe_context ctx, void state);
	void r600_bind_dsa_state(struct pipe_context ctx, void state);
	void r600_bind_rs_state(struct pipe_context ctx, void state);
	void r600_delete_rs_state(struct pipe_context ctx, void state);
	void r600_sampler_view_destroy(struct pipe_context *ctx,
	struct pipe_sampler_view *state);
	void r600_delete_state(struct pipe_context ctx, void state);
	void r600_bind_vertex_elements(struct pipe_context ctx, void state);
	void r600_create_shader_state(struct pipe_context ctx,
	const struct pipe_shader_state *state);
	void r600_bind_ps_shader(struct pipe_context ctx, void state);
	void r600_bind_vs_shader(struct pipe_context ctx, void state);
	void r600_delete_ps_shader(struct pipe_context ctx, void state);
	void r600_delete_vs_shader(struct pipe_context ctx, void state);
	void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
	struct pipe_resource *buffer);
	void r600_draw_vbo(struct pipe_context ctx, const struct pipe_draw_info info);

	/*
	* common helpers
	*/
	static INLINE u32 S_FIXED(float value, u32 frac_bits)
	{
	return value * (1 << frac_bits);
	}
	#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))

	static inline unsigned r600_tex_aniso_filter(unsigned filter)
	{
	if (filter <= 1) return 0;
	if (filter <= 2) return 1;
	if (filter <= 4) return 2;
	if (filter <= 8) return 3;
	/* else */ return 4;
	}

	#endif