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vkd3d-shader/spirv: Parse the SPIR-V generator magic number.

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Giovanni Mascellani 2024-10-29 16:30:05 -05:00 committed by Henri Verbeet
parent e218dae281
commit 3f548ccf9c
Notes: Henri Verbeet 2024-12-09 16:17:46 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1239
1 changed files with 38 additions and 7 deletions
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45
libs/vkd3d-shader/spirv.c
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@ -34,6 +34,11 @@
# include "vulkan/GLSL.std.450.h"
#endif /* HAVE_SPIRV_UNIFIED1_GLSL_STD_450_H */
#define VKD3D_SPIRV_VERSION_1_0 0x00010000
#define VKD3D_SPIRV_VERSION_1_3 0x00010300
#define VKD3D_SPIRV_GENERATOR_ID 18
#define VKD3D_SPIRV_GENERATOR_VERSION 14
#define VKD3D_SPIRV_GENERATOR_MAGIC vkd3d_make_u32(VKD3D_SPIRV_GENERATOR_VERSION, VKD3D_SPIRV_GENERATOR_ID)
#ifndef VKD3D_SHADER_UNSUPPORTED_SPIRV_PARSER
# define VKD3D_SHADER_UNSUPPORTED_SPIRV_PARSER 0
#endif
@ -45,6 +50,11 @@
#define VKD3D_SPIRV_VERSION_MINOR_SHIFT 8u
#define VKD3D_SPIRV_VERSION_MINOR_MASK (0xffu << VKD3D_SPIRV_VERSION_MINOR_SHIFT)
#define VKD3D_SPIRV_GENERATOR_ID_SHIFT 16u
#define VKD3D_SPIRV_GENERATOR_ID_MASK (0xffffu << VKD3D_SPIRV_GENERATOR_ID_SHIFT)
#define VKD3D_SPIRV_GENERATOR_VERSION_SHIFT 0u
#define VKD3D_SPIRV_GENERATOR_VERSION_MASK (0xffffu << VKD3D_SPIRV_GENERATOR_VERSION_SHIFT)
#ifdef HAVE_SPIRV_TOOLS
# include "spirv-tools/libspirv.h"
@ -249,10 +259,35 @@ static void VKD3D_PRINTF_FUNC(2, 3) spirv_parser_print_comment(struct spirv_pars
va_end(args);
}
static void spirv_parser_print_generator(struct spirv_parser *parser, uint32_t magic)
{
unsigned int id, version;
const char *name;
id = (magic & VKD3D_SPIRV_GENERATOR_ID_MASK) >> VKD3D_SPIRV_GENERATOR_ID_SHIFT;
version = (magic & VKD3D_SPIRV_GENERATOR_VERSION_MASK) >> VKD3D_SPIRV_GENERATOR_VERSION_SHIFT;
switch (id)
{
case VKD3D_SPIRV_GENERATOR_ID:
name = "Wine VKD3D Shader Compiler";
break;
default:
name = NULL;
break;
}
if (name)
spirv_parser_print_comment(parser, "Generator: %s; %u", name, version);
else
spirv_parser_print_comment(parser, "Generator: Unknown (%#x); %u", id, version);
}
static enum vkd3d_result spirv_parser_read_header(struct spirv_parser *parser)
{
uint32_t magic, version, generator;
unsigned int major, minor;
uint32_t magic, version;
if (parser->pos > parser->size || parser->size - parser->pos < VKD3D_SPIRV_HEADER_SIZE)
{
@ -263,6 +298,7 @@ static enum vkd3d_result spirv_parser_read_header(struct spirv_parser *parser)
magic = spirv_parser_read_u32(parser);
version = spirv_parser_read_u32(parser);
generator = spirv_parser_read_u32(parser);
if (magic != SpvMagicNumber)
{
@ -291,6 +327,7 @@ static enum vkd3d_result spirv_parser_read_header(struct spirv_parser *parser)
{
spirv_parser_print_comment(parser, "SPIR-V");
spirv_parser_print_comment(parser, "Version: %u.%u", major, minor);
spirv_parser_print_generator(parser, generator);
}
return VKD3D_OK;
@ -462,12 +499,6 @@ enum vkd3d_shader_input_sysval_semantic vkd3d_siv_from_sysval_indexed(enum vkd3d
}
}
#define VKD3D_SPIRV_VERSION_1_0 0x00010000
#define VKD3D_SPIRV_VERSION_1_3 0x00010300
#define VKD3D_SPIRV_GENERATOR_ID 18
#define VKD3D_SPIRV_GENERATOR_VERSION 14
#define VKD3D_SPIRV_GENERATOR_MAGIC vkd3d_make_u32(VKD3D_SPIRV_GENERATOR_VERSION, VKD3D_SPIRV_GENERATOR_ID)
struct vkd3d_spirv_stream
{
uint32_t *words;