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path: root/src/gallium/drivers/r600/r600_pipe.h
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/*
 * 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 <pipe/p_state.h>
#include <pipe/p_screen.h>
#include <pipe/p_context.h>
#include <util/u_math.h>
#include "translate/translate_cache.h"
#include "r600.h"
#include "r600_public.h"
#include "r600_shader.h"
#include "r600_resource.h"

enum r600_pipe_state_id {
	R600_PIPE_STATE_BLEND = 0,
	R600_PIPE_STATE_BLEND_COLOR,
	R600_PIPE_STATE_CONFIG,
	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_NSTATES
};

struct r600_screen {
	struct pipe_screen		screen;
	struct radeon			*radeon;
	struct r600_tiling_info		*tiling_info;
};

struct r600_pipe_sampler_view {
	struct pipe_sampler_view	base;
	struct r600_pipe_state		state;
};

struct r600_pipe_rasterizer {
	struct r600_pipe_state		rstate;
	bool				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_vertex_element
{
	unsigned			count;
	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
	enum pipe_format		hw_format[PIPE_MAX_ATTRIBS];
	unsigned			hw_format_size[PIPE_MAX_ATTRIBS];
	boolean				incompatible_layout;
	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;
};

/* 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;
};

/* vertex buffer translation context, used to translate vertex input that
 * hw doesn't natively support, so far only FLOAT64 is unsupported.
 */
struct r600_translate_context {
	/* Translate cache for incompatible vertex offset/stride/format fallback. */
	struct translate_cache		*translate_cache;
	/* The vertex buffer slot containing the translated buffer. */
	unsigned			vb_slot;
	void				*saved_velems;
	void				*new_velems;
};

#define R600_CONSTANT_ARRAY_SIZE 256
#define R600_RESOURCE_ARRAY_SIZE 160

struct r600_pipe_context {
	struct pipe_context		context;
	struct blitter_context		*blitter;
	unsigned			family;
	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 pipe_framebuffer_state	framebuffer;
	struct pipe_index_buffer	index_buffer;
	struct pipe_vertex_buffer	vertex_buffer[PIPE_MAX_ATTRIBS];
	struct pipe_resource		*real_vertex_buffer[PIPE_MAX_ATTRIBS];
	unsigned			nvertex_buffers;
	unsigned			nreal_vertex_buffers; /* with the translated vertex 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;
	unsigned			nvs_resource;
	struct r600_pipe_state		*vs_resource;
	struct r600_pipe_state		*ps_resource;
	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_state		ps_const_buffer;
	struct r600_pipe_rasterizer	*rasterizer;
	/* shader information */
	unsigned			sprite_coord_enable;
	bool				flatshade;
	struct u_upload_mgr		*upload_vb;
	unsigned			any_user_vbs;
	struct r600_textures_info	ps_samplers;
	unsigned			vb_max_index;
	struct r600_translate_context	tran;
	struct u_upload_mgr		*upload_const;
	bool				blit;
};

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_create_db_flush_dsa(struct r600_pipe_context *rctx);
void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
void evergreen_pipe_add_vertex_attrib(struct r600_pipe_context *rctx,
				      struct r600_pipe_state *rstate,
				      unsigned index,
				      struct r600_resource *rbuffer,
				      unsigned offset, unsigned stride);

/* 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);
void r600_upload_user_buffers(struct r600_pipe_context *rctx,
			      int min_index, int max_index);

/* 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, const struct tgsi_token *tokens);
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_spi_update(struct r600_pipe_context *rctx);
void r600_init_config(struct r600_pipe_context *rctx);
void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
void r600_polygon_offset_update(struct r600_pipe_context *rctx);
void r600_pipe_add_vertex_attrib(struct r600_pipe_context *rctx,
				 struct r600_pipe_state *rstate,
				 unsigned index,
				 struct r600_resource *rbuffer,
				 unsigned offset, unsigned stride);

/* r600_helper.h */
int r600_conv_pipe_prim(unsigned pprim, unsigned *prim);

/* 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(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_begin_vertex_translate(struct r600_pipe_context *rctx,
                                 int min_index, int max_index);
void r600_end_vertex_translate(struct r600_pipe_context *rctx);
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_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_bind_state(struct pipe_context *ctx, void *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))

#endif