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libs/vkd3d-shader: Implement parsing of root signature static samplers.

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This commit is contained in:
Józef Kucia 2017-07-06 10:12:22 +02:00
parent 0699755b81
commit f906df13b3
1 changed files with 49 additions and 3 deletions
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52
libs/vkd3d-shader/dxbc.c
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@ -1752,6 +1752,12 @@ static void read_dword(const char **ptr, DWORD *d)
*ptr += sizeof(*d);
}
static void read_float(const char **ptr, float *f)
{
assert(sizeof(float) == sizeof(DWORD)); /* FIXME: use static assert */
read_dword(ptr, (DWORD *)f);
}
static void skip_dword_unknown(const char **ptr, unsigned int count)
{
unsigned int i;
@ -2190,6 +2196,39 @@ static HRESULT shader_parse_root_parameters(const char *data, DWORD data_size,
return S_OK;
}
static HRESULT shader_parse_static_samplers(const char *data, DWORD data_size,
DWORD offset, DWORD count, D3D12_STATIC_SAMPLER_DESC *sampler_descs)
{
const char *ptr;
unsigned int i;
if (!require_space(offset, 13 * count, sizeof(DWORD), data_size))
{
WARN("Invalid data size %#x (offset %u, count %u).\n", data_size, offset, count);
return E_INVALIDARG;
}
ptr = &data[offset];
for (i = 0; i < count; ++i)
{
read_dword(&ptr, &sampler_descs[i].Filter);
read_dword(&ptr, &sampler_descs[i].AddressU);
read_dword(&ptr, &sampler_descs[i].AddressV);
read_dword(&ptr, &sampler_descs[i].AddressW);
read_float(&ptr, &sampler_descs[i].MipLODBias);
read_dword(&ptr, &sampler_descs[i].MaxAnisotropy);
read_dword(&ptr, &sampler_descs[i].ComparisonFunc);
read_dword(&ptr, &sampler_descs[i].BorderColor);
read_float(&ptr, &sampler_descs[i].MinLOD);
read_float(&ptr, &sampler_descs[i].MaxLOD);
read_dword(&ptr, &sampler_descs[i].ShaderRegister);
read_dword(&ptr, &sampler_descs[i].RegisterSpace);
read_dword(&ptr, &sampler_descs[i].ShaderVisibility);
}
return S_OK;
}
static HRESULT shader_parse_root_signature(const char *data, DWORD data_size,
D3D12_ROOT_SIGNATURE_DESC *desc)
{
@ -2210,7 +2249,6 @@ static HRESULT shader_parse_root_signature(const char *data, DWORD data_size,
TRACE("Parameter count %u, offset %u.\n", count, offset);
desc->NumParameters = count;
if (desc->NumParameters)
{
D3D12_ROOT_PARAMETER *parameters;
@ -2225,8 +2263,16 @@ static HRESULT shader_parse_root_signature(const char *data, DWORD data_size,
read_dword(&ptr, &offset);
TRACE("Static sampler count %u, offset %u.\n", count, offset);
if (count)
FIXME("Static samplers not supported yet.\n");
desc->NumStaticSamplers = count;
if (desc->NumStaticSamplers)
{
D3D12_STATIC_SAMPLER_DESC *samplers;
if (!(samplers = vkd3d_calloc(desc->NumStaticSamplers, sizeof(*samplers))))
return E_OUTOFMEMORY;
desc->pStaticSamplers = samplers;
if (FAILED(hr = shader_parse_static_samplers(data, data_size, offset, count, samplers)))
return hr;
}
read_dword(&ptr, &flags);
TRACE("Flags %#x.\n", flags);