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/**************************************************************************
*
* Copyright 2019 Red Hat.
* 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
**************************************************************************/
#ifndef LP_STATE_CS_H
#define LP_STATE_CS_H
#include "os/os_thread.h"
#include "util/u_thread.h"
#include "pipe/p_state.h"
#include "gallivm/lp_bld.h"
#include "gallivm/lp_bld_sample.h" /* for struct lp_sampler_static_state */
#include "lp_jit.h"
#include "lp_state_fs.h"
struct lp_compute_shader_variant;
struct lp_compute_shader_variant_key
{
unsigned nr_samplers:8;
unsigned nr_sampler_views:8;
unsigned nr_images:8;
struct lp_image_static_state image_state[PIPE_MAX_SHADER_IMAGES];
struct lp_sampler_static_state state[PIPE_MAX_SHADER_SAMPLER_VIEWS];
};
struct lp_cs_variant_list_item
{
struct lp_compute_shader_variant *base;
struct lp_cs_variant_list_item *next, *prev;
};
struct lp_compute_shader_variant
{
struct lp_compute_shader_variant_key key;
struct gallivm_state *gallivm;
LLVMTypeRef jit_cs_context_ptr_type;
LLVMTypeRef jit_cs_thread_data_ptr_type;
LLVMValueRef function;
lp_jit_cs_func jit_function;
/* Total number of LLVM instructions generated */
unsigned nr_instrs;
struct lp_cs_variant_list_item list_item_global, list_item_local;
struct lp_compute_shader *shader;
/* For debugging/profiling purposes */
unsigned no;
};
struct lp_compute_shader {
struct pipe_shader_state base;
struct lp_cs_variant_list_item variants;
struct lp_tgsi_info info;
uint32_t req_local_mem;
/* For debugging/profiling purposes */
unsigned variant_key_size;
unsigned no;
unsigned variants_created;
unsigned variants_cached;
int max_global_buffers;
struct pipe_resource **global_buffers;
};
struct lp_cs_exec {
struct lp_jit_cs_context jit_context;
struct lp_compute_shader_variant *variant;
};
struct lp_cs_context {
struct pipe_context *pipe;
struct {
struct lp_cs_exec current;
struct pipe_resource *current_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS];
unsigned current_tex_num;
} cs;
/** compute shader constants */
struct {
struct pipe_constant_buffer current;
unsigned stored_size;
const void *stored_data;
} constants[LP_MAX_TGSI_CONST_BUFFERS];
/** compute shader buffers */
struct {
struct pipe_shader_buffer current;
} ssbos[LP_MAX_TGSI_SHADER_BUFFERS];
struct {
struct pipe_image_view current;
} images[LP_MAX_TGSI_SHADER_IMAGES];
void *input;
};
struct lp_cs_context *lp_csctx_create(struct pipe_context *pipe);
void lp_csctx_destroy(struct lp_cs_context *csctx);
#endif
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