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/*
* Copyright © 2022 Imagination Technologies Ltd.
*
* 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 (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 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <vulkan/vulkan.h>
#include "compiler/shader_enums.h"
#include "nir/nir.h"
#include "nir/nir_builder.h"
#include "pvr_private.h"
#include "pvr_shader.h"
#include "rogue/rogue.h"
#include "spirv/nir_spirv.h"
#include "vk_format.h"
#include "vk_shader_module.h"
#include "vk_util.h"
/**
* \file pvr_shader.c
*
* \brief Contains top-level functions to compile SPIR-V -> NIR -> Rogue, and
* interfaces with the compiler.
*/
/**
* \brief Converts a SPIR-V shader to NIR.
*
* \param[in] ctx Shared multi-stage build context.
* \param[in] stage Shader stage.
* \param[in] create_info Shader creation info from Vulkan pipeline.
* \return A nir_shader* if successful, or NULL if unsuccessful.
*/
nir_shader *pvr_spirv_to_nir(rogue_build_ctx *ctx,
gl_shader_stage stage,
const VkPipelineShaderStageCreateInfo *create_info)
{
VK_FROM_HANDLE(vk_shader_module, module, create_info->module);
struct nir_spirv_specialization *spec;
unsigned num_spec = 0;
nir_shader *nir;
spec =
vk_spec_info_to_nir_spirv(create_info->pSpecializationInfo, &num_spec);
nir = rogue_spirv_to_nir(ctx,
stage,
create_info->pName,
module->size / sizeof(uint32_t),
(uint32_t *)module->data,
num_spec,
spec);
free(spec);
return nir;
}
/**
* \brief Converts a NIR shader to Rogue.
*
* \param[in] ctx Shared multi-stage build context.
* \param[in] nir NIR shader.
* \return A rogue_shader* if successful, or NULL if unsuccessful.
*/
rogue_shader *pvr_nir_to_rogue(rogue_build_ctx *ctx, nir_shader *nir)
{
return rogue_nir_to_rogue(ctx, nir);
}
/**
* \brief Converts a Rogue shader to binary.
*
* \param[in] ctx Shared multi-stage build context.
* \param[in] shader Rogue shader.
* \param[out] binary Array containing shader binary.
*/
void pvr_rogue_to_binary(rogue_build_ctx *ctx,
rogue_shader *shader,
struct util_dynarray *binary)
{
rogue_encode_shader(ctx, shader, binary);
}
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