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/*
* Copyright © 2025 Lucas Francisco Fryzek
* SPDX-License-Identifier: MIT
*/
#include "fgvk_shader.h"
#include "fgvk_physical_device.h"
#include "fgvk_device.h"
#include "fgvk_cmd_buffer.h"
static const nir_shader_compiler_options *
fgvk_get_nir_options(struct vk_physical_device *vk_pdev,
mesa_shader_stage stage,
UNUSED const struct vk_pipeline_robustness_state *rs)
{
const struct fgvk_physical_device *pdev =
container_of(vk_pdev, struct fgvk_physical_device, vk);
return fgcc_nir_options(pdev->fgcc);
}
static struct spirv_to_nir_options
fgvk_get_spirv_options(struct vk_physical_device *vk_pdev,
UNUSED mesa_shader_stage stage,
const struct vk_pipeline_robustness_state *rs)
{
const struct fgvk_physical_device *pdev =
container_of(vk_pdev, struct fgvk_physical_device, vk);
return (struct spirv_to_nir_options) {};
}
static void
fgvk_preprocess_nir(struct vk_physical_device *vk_pdev,
nir_shader *nir,
UNUSED const struct vk_pipeline_robustness_state *rs)
{
const struct fgvk_physical_device *pdev =
container_of(vk_pdev, struct fgvk_physical_device, vk);
fgcc_preprocess_nir(nir, pdev->fgcc);
}
static void
fgvk_hash_state(struct vk_physical_device *device,
const struct vk_graphics_pipeline_state *state,
const struct vk_features *enabled_features,
VkShaderStageFlags stages,
blake3_hash blake3_out)
{
// TODO need to figure out what state should get hashed into shaders
struct mesa_blake3 blake3_ctx;
_mesa_blake3_init(&blake3_ctx);
_mesa_blake3_final(&blake3_ctx, blake3_out);
}
static const struct vk_shader_ops fgvk_shader_ops;
static void
fgvk_shader_destroy(struct vk_device *vk_dev,
struct vk_shader *vk_shader,
const VkAllocationCallbacks* pAllocator)
{
struct fgvk_device *dev = container_of(vk_dev, struct fgvk_device, vk);
struct fgvk_shader *shader = container_of(vk_shader, struct fgvk_shader, vk);
vk_shader_free(&dev->vk, pAllocator, &shader->vk);
}
static VkResult
fgvk_compile_shader(struct fgvk_device *dev,
struct vk_shader_compile_info *info,
const struct vk_graphics_pipeline_state *state,
const VkAllocationCallbacks* pAllocator,
struct vk_shader **shader_out)
{
struct fgvk_shader *shader;
VkResult result = VK_SUCCESS;
/* We consume the NIR, regardless of success or failure */
nir_shader *nir = info->nir;
shader = vk_shader_zalloc(&dev->vk, &fgvk_shader_ops, info->stage,
pAllocator, sizeof(*shader));
if (shader == NULL) {
ralloc_free(nir);
return vk_error(dev, VK_ERROR_OUT_OF_HOST_MEMORY);
}
// TODO some shader compliation should happen here
ralloc_free(nir);
if (result != VK_SUCCESS) {
fgvk_shader_destroy(&dev->vk, &shader->vk, pAllocator);
return result;
}
*shader_out = &shader->vk;
return VK_SUCCESS;
}
static VkResult
fgvk_compile_shaders(struct vk_device *vk_dev,
uint32_t shader_count,
struct vk_shader_compile_info *infos,
const struct vk_graphics_pipeline_state *state,
const struct vk_features *enabled_features,
const VkAllocationCallbacks* pAllocator,
struct vk_shader **shaders_out)
{
struct fgvk_device *dev = container_of(vk_dev, struct fgvk_device, vk);
for (uint32_t i = 0; i < shader_count; i++) {
VkResult result = fgvk_compile_shader(dev, &infos[i], state,
pAllocator, &shaders_out[i]);
if (result != VK_SUCCESS) {
/* Clean up all the shaders before this point */
for (uint32_t j = 0; j < i; j++)
fgvk_shader_destroy(&dev->vk, shaders_out[j], pAllocator);
/* Clean up all the NIR after this point */
for (uint32_t j = i + 1; j < shader_count; j++)
ralloc_free(infos[j].nir);
/* Memset the output array */
memset(shaders_out, 0, shader_count * sizeof(*shaders_out));
return result;
}
}
return VK_SUCCESS;
}
static bool
fgvk_shader_serialize(struct vk_device *vk_dev,
const struct vk_shader *vk_shader,
struct blob *blob)
{
UNREACHABLE("TODO");
}
static VkResult
fgvk_deserialize_shader(struct vk_device *vk_dev,
struct blob_reader *blob,
uint32_t binary_version,
const VkAllocationCallbacks* pAllocator,
struct vk_shader **shader_out)
{
UNREACHABLE("TODO");
}
static VkResult
fgvk_shader_get_executable_properties(
UNUSED struct vk_device *device,
const struct vk_shader *vk_shader,
uint32_t *executable_count,
VkPipelineExecutablePropertiesKHR *properties)
{
UNREACHABLE("TODO");
}
static VkResult
fgvk_shader_get_executable_statistics(
UNUSED struct vk_device *device,
const struct vk_shader *vk_shader,
uint32_t executable_index,
uint32_t *statistic_count,
VkPipelineExecutableStatisticKHR *statistics)
{
UNREACHABLE("TODO");
}
static VkResult
fgvk_shader_get_executable_internal_representations(
UNUSED struct vk_device *device,
const struct vk_shader *vk_shader,
uint32_t executable_index,
uint32_t *internal_representation_count,
VkPipelineExecutableInternalRepresentationKHR *internal_representations)
{
UNREACHABLE("TODO");
}
static const struct vk_shader_ops fgvk_shader_ops = {
.destroy = fgvk_shader_destroy,
.serialize = fgvk_shader_serialize,
.get_executable_properties = fgvk_shader_get_executable_properties,
.get_executable_statistics = fgvk_shader_get_executable_statistics,
.get_executable_internal_representations =
fgvk_shader_get_executable_internal_representations,
};
const struct vk_device_shader_ops fgvk_device_shader_ops = {
.get_nir_options = fgvk_get_nir_options,
.get_spirv_options = fgvk_get_spirv_options,
.preprocess_nir = fgvk_preprocess_nir,
.hash_state = fgvk_hash_state,
.compile = fgvk_compile_shaders,
.deserialize = fgvk_deserialize_shader,
.cmd_set_dynamic_graphics_state = vk_cmd_set_dynamic_graphics_state,
.cmd_bind_shaders = fgvk_cmd_bind_shaders,
};
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