vkd3d/libs/vkd3d-shader/vkd3d_shader_main.c

91 lines
2.9 KiB
C

/*
* Copyright 2017 Józef Kucia for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "vkd3d_shader_private.h"
HRESULT vkd3d_shader_compile_dxbc(const struct vkd3d_shader_code *dxbc,
struct vkd3d_shader_code *spirv, uint32_t compiler_options)
{
struct vkd3d_dxbc_compiler *spirv_compiler;
struct vkd3d_shader_version shader_version;
struct vkd3d_shader_desc shader_desc;
struct vkd3d_shader_instruction ins;
void *parser_data;
const DWORD *ptr;
HRESULT hr;
bool ret;
TRACE("dxbc {%p, %zu}, spirv %p, compiler_options %#x.\n",
dxbc->code, dxbc->size, spirv, compiler_options);
if (FAILED(hr = shader_extract_from_dxbc(dxbc->code, dxbc->size, &shader_desc)))
{
WARN("Failed to extract shader, hr %#x.\n", hr);
return hr;
}
if (!(parser_data = shader_sm4_init(shader_desc.byte_code, shader_desc.byte_code_size,
&shader_desc.output_signature)))
{
WARN("Failed to initialize shader parser, hr %#x.\n", hr);
free_shader_desc(&shader_desc);
return hr;
}
shader_sm4_read_header(parser_data, &ptr, &shader_version);
if (!(spirv_compiler = vkd3d_dxbc_compiler_create(&shader_version, compiler_options)))
{
ERR("Failed to create DXBC compiler.\n");
shader_sm4_free(parser_data);
free_shader_desc(&shader_desc);
return hr;
}
while (!shader_sm4_is_end(parser_data, &ptr))
{
shader_sm4_read_instruction(parser_data, &ptr, &ins);
if (ins.handler_idx == VKD3DSIH_TABLE_SIZE)
{
WARN("Encountered unrecognized or invalid instruction.\n");
shader_sm4_free(parser_data);
free_shader_desc(&shader_desc);
vkd3d_dxbc_compiler_destroy(spirv_compiler);
return E_FAIL;
}
vkd3d_dxbc_compiler_handle_instruction(spirv_compiler, &ins);
}
ret = vkd3d_dxbc_compiler_generate_spirv(spirv_compiler, spirv);
vkd3d_dxbc_compiler_destroy(spirv_compiler);
shader_sm4_free(parser_data);
free_shader_desc(&shader_desc);
return ret ? S_OK : E_FAIL;
}
void vkd3d_shader_free_shader_code(struct vkd3d_shader_code *shader_code)
{
if (!shader_code)
return;
vkd3d_free((void *)shader_code->code);
}