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vkd3d-shader/hlsl: Write empty SM4 shaders.

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Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura
2021-08-17 12:38:57 -05:00
committed by Alexandre Julliard
parent 2db8cbc9a7
commit 96d523722d
8 changed files with 132 additions and 18 deletions
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75
libs/vkd3d-shader/dxbc.c
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@@ -1,5 +1,6 @@
/*
* Copyright 2008-2009 Henri Verbeet for CodeWeavers
* Copyright 2010 Rico Schüller
* Copyright 2017 Józef Kucia for CodeWeavers
*
* This library is free software; you can redistribute it and/or
@@ -20,6 +21,64 @@
#include "vkd3d_shader_private.h"
#include "sm4.h"
void dxbc_writer_init(struct dxbc_writer *dxbc)
{
memset(dxbc, 0, sizeof(*dxbc));
}
void dxbc_writer_add_section(struct dxbc_writer *dxbc, uint32_t tag, const void *data, size_t size)
{
struct dxbc_writer_section *section;
assert(dxbc->section_count < ARRAY_SIZE(dxbc->sections));
section = &dxbc->sections[dxbc->section_count++];
section->tag = tag;
section->data = data;
section->size = size;
}
int dxbc_writer_write(struct dxbc_writer *dxbc, struct vkd3d_shader_code *out)
{
size_t size_position, offsets_position, checksum_position, i;
struct vkd3d_bytecode_buffer buffer = {0};
uint32_t checksum[4];
put_u32(&buffer, TAG_DXBC);
checksum_position = bytecode_get_size(&buffer);
for (i = 0; i < 4; ++i)
put_u32(&buffer, 0);
put_u32(&buffer, 1); /* version */
size_position = put_u32(&buffer, 0);
put_u32(&buffer, dxbc->section_count);
offsets_position = bytecode_get_size(&buffer);
for (i = 0; i < dxbc->section_count; ++i)
put_u32(&buffer, 0);
for (i = 0; i < dxbc->section_count; ++i)
{
set_u32(&buffer, offsets_position + i * sizeof(uint32_t), bytecode_get_size(&buffer));
put_u32(&buffer, dxbc->sections[i].tag);
put_u32(&buffer, dxbc->sections[i].size);
bytecode_put_bytes(&buffer, dxbc->sections[i].data, dxbc->sections[i].size);
}
set_u32(&buffer, size_position, bytecode_get_size(&buffer));
vkd3d_compute_dxbc_checksum(buffer.data, buffer.size, checksum);
for (i = 0; i < 4; ++i)
set_u32(&buffer, checksum_position + i * sizeof(uint32_t), checksum[i]);
if (!buffer.status)
{
out->code = buffer.data;
out->size = buffer.size;
}
return buffer.status;
}
struct vkd3d_shader_src_param_entry
{
struct list entry;
@@ -1592,22 +1651,6 @@ bool shader_sm4_is_end(void *data, const DWORD **ptr)
return *ptr == priv->end;
}
#define MAKE_TAG(ch0, ch1, ch2, ch3) \
((DWORD)(ch0) | ((DWORD)(ch1) << 8) | \
((DWORD)(ch2) << 16) | ((DWORD)(ch3) << 24 ))
#define TAG_DXBC MAKE_TAG('D', 'X', 'B', 'C')
#define TAG_ISGN MAKE_TAG('I', 'S', 'G', 'N')
#define TAG_ISG1 MAKE_TAG('I', 'S', 'G', '1')
#define TAG_OSGN MAKE_TAG('O', 'S', 'G', 'N')
#define TAG_OSG5 MAKE_TAG('O', 'S', 'G', '5')
#define TAG_OSG1 MAKE_TAG('O', 'S', 'G', '1')
#define TAG_PCSG MAKE_TAG('P', 'C', 'S', 'G')
#define TAG_PSG1 MAKE_TAG('P', 'S', 'G', '1')
#define TAG_SHDR MAKE_TAG('S', 'H', 'D', 'R')
#define TAG_SHEX MAKE_TAG('S', 'H', 'E', 'X')
#define TAG_AON9 MAKE_TAG('A', 'o', 'n', '9')
#define TAG_RTS0 MAKE_TAG('R', 'T', 'S', '0')
static bool require_space(size_t offset, size_t count, size_t size, size_t data_size)
{
return !count || (data_size - offset) / count >= size;