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vkd3d-shader: Parse ISG1, PSG1 and OSG1 signatures.

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These signatures extend the OSG5 format by a minimum
precision hint, which gets ignored for now but could
be implemented using 16-bit floats in the future.

Fixes some shader parsing errors in Resident Evil 2.

Signed-off-by: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Philip Rebohle 2019-05-18 12:03:14 +02:00 committed by Alexandre Julliard
parent e7e0f4180d
commit 578ce3653d
2 changed files with 19 additions and 3 deletions
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1
include/vkd3d_shader.h
View File

@ -580,6 +580,7 @@ struct vkd3d_shader_signature_element
enum vkd3d_component_type component_type;
unsigned int register_index;
unsigned int mask;
unsigned int min_precision;
};
struct vkd3d_shader_signature

21
libs/vkd3d-shader/dxbc.c
View File

@ -1852,9 +1852,12 @@ bool shader_sm4_is_end(void *data, const DWORD **ptr)
((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')
@ -1993,6 +1996,7 @@ static int shader_parse_signature(DWORD tag, const char *data, DWORD data_size,
const char *ptr = data;
unsigned int i;
DWORD count;
bool has_stream_index, has_min_precision;
if (!require_space(0, 2, sizeof(DWORD), data_size))
{
@ -2017,11 +2021,14 @@ static int shader_parse_signature(DWORD tag, const char *data, DWORD data_size,
return VKD3D_ERROR_OUT_OF_MEMORY;
}
has_min_precision = tag == TAG_OSG1 || tag == TAG_PSG1 || tag == TAG_ISG1;
has_stream_index = tag == TAG_OSG5 || has_min_precision;
for (i = 0; i < count; ++i)
{
DWORD name_offset;
if (tag == TAG_OSG5)
if (has_stream_index)
read_dword(&ptr, &e[i].stream_index);
else
e[i].stream_index = 0;
@ -2038,10 +2045,15 @@ static int shader_parse_signature(DWORD tag, const char *data, DWORD data_size,
read_dword(&ptr, &e[i].register_index);
read_dword(&ptr, &e[i].mask);
if (has_min_precision)
read_dword(&ptr, &e[i].min_precision);
else
e[i].min_precision = 0;
TRACE("Stream: %u, semantic: %s, semantic idx: %u, sysval_semantic %#x, "
"type %u, register idx: %u, use_mask %#x, input_mask %#x.\n",
"type %u, register idx: %u, use_mask %#x, input_mask %#x, precision %u.\n",
e[i].stream_index, debugstr_a(e[i].semantic_name), e[i].semantic_index, e[i].sysval_semantic,
e[i].component_type, e[i].register_index, (e[i].mask >> 8) & 0xff, e[i].mask & 0xff);
e[i].component_type, e[i].register_index, (e[i].mask >> 8) & 0xff, e[i].mask & 0xff, e[i].min_precision);
}
s->elements = e;
@ -2084,6 +2096,7 @@ static int shdr_handler(const char *data, DWORD data_size, DWORD tag, void *cont
switch (tag)
{
case TAG_ISGN:
case TAG_ISG1:
if (desc->input_signature.elements)
{
FIXME("Multiple input signatures.\n");
@ -2095,6 +2108,7 @@ static int shdr_handler(const char *data, DWORD data_size, DWORD tag, void *cont
case TAG_OSGN:
case TAG_OSG5:
case TAG_OSG1:
if (desc->output_signature.elements)
{
FIXME("Multiple output signatures.\n");
@ -2105,6 +2119,7 @@ static int shdr_handler(const char *data, DWORD data_size, DWORD tag, void *cont
break;
case TAG_PCSG:
case TAG_PSG1:
if (desc->patch_constant_signature.elements)
{
FIXME("Multiple patch constant signatures.\n");