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/*
* Copyright 2012 Advanced Micro Devices, Inc.
*
* 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:
* Christian König <christian.koenig@amd.com>
*/
#ifndef SI_STATE_H
#define SI_STATE_H
#include "radeonsi_pm4.h"
/* This encapsulates a state or an operation which can emitted into the GPU
* command stream. */
struct si_atom {
void (*emit)(struct r600_context *ctx, struct si_atom *state);
unsigned num_dw;
bool dirty;
};
struct si_state_blend {
struct si_pm4_state pm4;
uint32_t cb_target_mask;
uint32_t cb_color_control;
};
struct si_state_viewport {
struct si_pm4_state pm4;
struct pipe_viewport_state viewport;
};
struct si_state_rasterizer {
struct si_pm4_state pm4;
bool flatshade;
bool two_side;
unsigned sprite_coord_enable;
unsigned pa_sc_line_stipple;
unsigned pa_su_sc_mode_cntl;
unsigned pa_cl_clip_cntl;
unsigned pa_cl_vs_out_cntl;
unsigned clip_plane_enable;
float offset_units;
float offset_scale;
};
struct si_state_dsa {
struct si_pm4_state pm4;
float alpha_ref;
unsigned alpha_func;
unsigned db_render_override;
unsigned db_render_control;
uint8_t valuemask[2];
uint8_t writemask[2];
};
struct si_vertex_element
{
unsigned count;
uint32_t rsrc_word3[PIPE_MAX_ATTRIBS];
struct pipe_vertex_element elements[PIPE_MAX_ATTRIBS];
};
union si_state {
struct {
struct si_pm4_state *sync;
struct si_pm4_state *init;
struct si_state_blend *blend;
struct si_pm4_state *blend_color;
struct si_pm4_state *clip;
struct si_pm4_state *sample_mask;
struct si_pm4_state *scissor;
struct si_state_viewport *viewport;
struct si_pm4_state *framebuffer;
struct si_state_rasterizer *rasterizer;
struct si_state_dsa *dsa;
struct si_pm4_state *fb_rs;
struct si_pm4_state *fb_blend;
struct si_pm4_state *dsa_stencil_ref;
struct si_pm4_state *vs;
struct si_pm4_state *vs_sampler_views;
struct si_pm4_state *vs_sampler;
struct si_pm4_state *vs_const;
struct si_pm4_state *ps;
struct si_pm4_state *ps_sampler_views;
struct si_pm4_state *ps_sampler;
struct si_pm4_state *ps_const;
struct si_pm4_state *spi;
struct si_pm4_state *vertex_buffers;
struct si_pm4_state *texture_barrier;
struct si_pm4_state *draw_info;
struct si_pm4_state *draw;
} named;
struct si_pm4_state *array[0];
};
#define NUM_TEX_UNITS 16
/* This represents resource descriptors in memory, such as buffer resources,
* image resources, and sampler states.
*/
struct si_descriptors {
struct si_atom atom;
/* The size of one resource descriptor. */
unsigned element_dw_size;
/* The maximum number of resource descriptors. */
unsigned num_elements;
/* The buffer where resource descriptors are stored. */
struct si_resource *buffer;
/* The i-th bit is set if that element is dirty (changed but not emitted). */
unsigned dirty_mask;
/* The i-th bit is set if that element is enabled (non-NULL resource). */
unsigned enabled_mask;
/* We can't update descriptors directly because the GPU might be
* reading them at the same time, so we have to update them
* in a copy-on-write manner. Each such copy is called a context,
* which is just another array descriptors in the same buffer. */
unsigned current_context_id;
/* The size of a context, should be equal to 4*element_dw_size*num_elements. */
unsigned context_size;
/* The shader userdata register where the 64-bit pointer to the descriptor
* array will be stored. */
unsigned shader_userdata_reg;
};
struct si_sampler_views {
struct si_descriptors desc;
struct pipe_sampler_view *views[NUM_TEX_UNITS];
const uint32_t *desc_data[NUM_TEX_UNITS];
};
#define si_pm4_block_idx(member) \
(offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *))
#define si_pm4_state_changed(rctx, member) \
((rctx)->queued.named.member != (rctx)->emitted.named.member)
#define si_pm4_bind_state(rctx, member, value) \
do { \
(rctx)->queued.named.member = (value); \
} while(0)
#define si_pm4_delete_state(rctx, member, value) \
do { \
if ((rctx)->queued.named.member == (value)) { \
(rctx)->queued.named.member = NULL; \
} \
si_pm4_free_state(rctx, (struct si_pm4_state *)(value), \
si_pm4_block_idx(member)); \
} while(0)
#define si_pm4_set_state(rctx, member, value) \
do { \
if ((rctx)->queued.named.member != (value)) { \
si_pm4_free_state(rctx, \
(struct si_pm4_state *)(rctx)->queued.named.member, \
si_pm4_block_idx(member)); \
(rctx)->queued.named.member = (value); \
} \
} while(0)
/* si_descriptors.c */
void si_set_sampler_view(struct r600_context *rctx, unsigned shader,
unsigned slot, struct pipe_sampler_view *view,
unsigned *view_desc);
void si_init_all_descriptors(struct r600_context *rctx);
void si_release_all_descriptors(struct r600_context *rctx);
void si_all_descriptors_begin_new_cs(struct r600_context *rctx);
/* si_state.c */
struct si_pipe_shader_selector;
boolean si_is_format_supported(struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned usage);
int si_shader_select(struct pipe_context *ctx,
struct si_pipe_shader_selector *sel,
unsigned *dirty);
void si_init_state_functions(struct r600_context *rctx);
void si_init_config(struct r600_context *rctx);
/* si_state_streamout.c */
struct pipe_stream_output_target *
si_create_so_target(struct pipe_context *ctx,
struct pipe_resource *buffer,
unsigned buffer_offset,
unsigned buffer_size);
void si_so_target_destroy(struct pipe_context *ctx,
struct pipe_stream_output_target *target);
void si_set_so_targets(struct pipe_context *ctx,
unsigned num_targets,
struct pipe_stream_output_target **targets,
unsigned append_bitmask);
/* si_state_draw.c */
void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo);
/* si_commands.c */
void si_cmd_context_control(struct si_pm4_state *pm4);
void si_cmd_draw_index_2(struct si_pm4_state *pm4, uint32_t max_size,
uint64_t index_base, uint32_t index_count,
uint32_t initiator, bool predicate);
void si_cmd_draw_index_auto(struct si_pm4_state *pm4, uint32_t count,
uint32_t initiator, bool predicate);
void si_cmd_surface_sync(struct si_pm4_state *pm4, uint32_t cp_coher_cntl);
#endif
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