void ShaderReflection::ProcessCbuffer(ID3D11ShaderReflectionConstantBuffer* cb) {
D3D11_SHADER_VARIABLE_DESC svd;
D3D11_SHADER_TYPE_DESC std;
ID3D11ShaderReflectionVariable* var;
ID3D11ShaderReflectionType* type;
VarType vt;
Variable v;
ConstantBuffer buffer;
cb->GetDesc(&buffer.desc);
for(u32 j = 0; j < buffer.desc.Variables; ++j) {
vt = Unknown;
var = cb->GetVariableByIndex(j);
type = var->GetType();
var->GetDesc(&svd);
type->GetDesc(&std);
switch(std.Class) {
case D3D_SVC_MATRIX_COLUMNS:
{
if(std.Rows == 4 && std.Columns == 4) { vt = Matrix4x4; }
else if(std.Rows == 3 && std.Columns == 3) { vt = Matrix3x3; }
break;
}
case D3D_SVC_VECTOR:
{
if(std.Columns == 4) { vt = Vector4; }
else if(std.Columns == 3) { vt = Vector3; }
else if(std.Columns == 2) { vt = Vector2; }
break;
}
case D3D_SVC_SCALAR:
{
if(std.Type == D3D_SVT_FLOAT) { vt = Float; }
else if(std.Type == D3D_SVT_INT) { vt = Integer; }
break;
}
default:
{
break;
}
}
v.startOffset = svd.StartOffset;
v.elements = std.Elements;
v.name = svd.Name;
v.type = vt;
buffer.vars.push_back(v);
}
cbuffers.push_back(buffer);
}
D3D11RendererVariableManager::D3D11ConstantBuffer*
D3D11RendererVariableManager::loadSharedBuffer(ShaderTypeKey typeKey,
ID3D11ShaderReflectionConstantBuffer* pReflectionBuffer,
const D3D11_SHADER_BUFFER_DESC& sbDesc,
const D3D11_BUFFER_DESC& cbDesc)
{
D3D11ConstantBuffer* pCB = NULL;
// Check to see if the specified shared constant buffer has already been created
NameBuffersMap::iterator cbIt = mNameToSharedBuffer.find(sbDesc.Name);
if (cbIt != mNameToSharedBuffer.end())
{
pCB = cbIt->second;
if( pCB )
{
pCB->addref();
}
}
else
{
ID3D11Buffer* pBuffer = NULL;
HRESULT result = mRenderer.getD3DDevice()->CreateBuffer(&cbDesc, NULL, &pBuffer);
RENDERER_ASSERT(SUCCEEDED(result), "Error creating D3D11 constant buffer.");
if (SUCCEEDED(result))
{
pCB = new D3D11ConstantBuffer(pBuffer, new PxU8[sbDesc.Size], sbDesc.Size);
for (PxU32 i = 0; i < sbDesc.Variables; ++i)
{
ID3D11ShaderReflectionVariable* pVariable = pReflectionBuffer->GetVariableByIndex(i);
D3D11_SHADER_VARIABLE_DESC vDesc;
pVariable->GetDesc(&vDesc);
ID3D11ShaderReflectionType* pType = pVariable->GetType();
D3D11_SHADER_TYPE_DESC tDesc;
pType->GetDesc(&tDesc);
mVariables.push_back(new D3D11SharedVariable(vDesc.Name, getVariableType(tDesc), vDesc.StartOffset, pCB));
mNameToSharedVariables[VariableKey(sbDesc.Name, vDesc.Name)] = mVariables.back();
}
mNameToSharedBuffer[sbDesc.Name] = pCB;
}
}
return pCB;
}
void Shader::ReflectConstantBufferLayouts(ID3D11ShaderReflection* sRefl, EShaderStage type)
{
D3D11_SHADER_DESC desc;
sRefl->GetDesc(&desc);
unsigned bufSlot = 0;
for (unsigned i = 0; i < desc.ConstantBuffers; ++i)
{
ConstantBufferLayout bufferLayout;
bufferLayout.buffSize = 0;
ID3D11ShaderReflectionConstantBuffer* pCBuffer = sRefl->GetConstantBufferByIndex(i);
pCBuffer->GetDesc(&bufferLayout.desc);
// load desc of each variable for binding on buffer later on
for (unsigned j = 0; j < bufferLayout.desc.Variables; ++j)
{
// get variable and type descriptions
ID3D11ShaderReflectionVariable* pVariable = pCBuffer->GetVariableByIndex(j);
D3D11_SHADER_VARIABLE_DESC varDesc;
pVariable->GetDesc(&varDesc);
bufferLayout.variables.push_back(varDesc);
ID3D11ShaderReflectionType* pType = pVariable->GetType();
D3D11_SHADER_TYPE_DESC typeDesc;
pType->GetDesc(&typeDesc);
bufferLayout.types.push_back(typeDesc);
// accumulate buffer size
bufferLayout.buffSize += varDesc.Size;
}
bufferLayout.stage = type;
bufferLayout.bufSlot = bufSlot;
++bufSlot;
m_CBLayouts.push_back(bufferLayout);
}
}
void ShaderInfo::ReflectShader(ID3D10Blob* shader)
{
D3D11_SHADER_DESC sd;
D3DReflect(shader->GetBufferPointer(), shader->GetBufferSize(),
IID_ID3D11ShaderReflection, (void**)&m_reflector);
m_reflector->GetDesc(&sd);
shaderDesc = sd;
for(UINT i = 0; i < sd.InputParameters; i++)
{
//Mask gives info on how many components
D3D11_SIGNATURE_PARAMETER_DESC inputparam_desc;
m_reflector->GetInputParameterDesc(i, &inputparam_desc);
m_inputParams.push_back(inputparam_desc);
}
for(UINT i = 0; i < sd.OutputParameters; i++)
{
D3D11_SIGNATURE_PARAMETER_DESC outputparam_desc;
m_reflector->GetOutputParameterDesc(i, &outputparam_desc);
m_outputParams.push_back(outputparam_desc);
}
for(UINT i = 0; i < sd.BoundResources; i++)
{
D3D11_SHADER_INPUT_BIND_DESC resource_desc; //Bind point is the register location
m_reflector->GetResourceBindingDesc(i, &resource_desc);
if(resource_desc.Type == D3D_SIT_CBUFFER)
{
Cbuffer* cbuffer = new Cbuffer();
cbuffer->input_bind_desc = resource_desc;
ID3D11ShaderReflectionConstantBuffer* cb =
m_reflector->GetConstantBufferByName(cbuffer->input_bind_desc.Name);
cb->GetDesc(&cbuffer->buffer_desc);
for(UINT j = 0; j < cbuffer->buffer_desc.Variables; j++)
{
Variable* var = new Variable();
ID3D11ShaderReflectionVariable* variable =
cb->GetVariableByIndex(j);
variable->GetDesc(&var->var);
ID3D11ShaderReflectionType* type =
variable->GetType();
type->GetDesc(&var->type);
cbuffer->vars.push_back(var);
//register cbuff vars with ShaderVars object
// switch(var->type.Class) {
// case D3D_SVC_MATRIX_COLUMNS:
// if(var->type.Rows == 4 && var->type.Columns == 4) {
// cbp->AddMatrix(var->var.Name);
// }
// else if(var->type.Rows == 3 && var->type.Columns == 3) {
//
// }
// break;
// case D3D_SVC_VECTOR:
// if(var->type.Columns == 4) {
// cbp->AddVector(var->var.Name);
// }
// else if(var->type.Columns == 3) {
//
// }
// else if(var->type.Columns == 2) {
//
// }
// break;
// case D3D_SVC_SCALAR:
// if(var->type.Type == D3D_SVT_FLOAT) {
// cbp->AddScalar(var->var.Name);
// }
// break;
// default:
// break;
// }
}
m_cbuffers.push_back(cbuffer);
}
else if(resource_desc.Type == D3D_SIT_SAMPLER)
{
m_samplers.push_back(resource_desc);
}
else if(resource_desc.Type == D3D_SIT_TEXTURE)
{
m_textures.push_back(resource_desc);
}
else
{
m_resources.push_back(resource_desc);
}
}
}
bool compileHLSLShaderDx11(bx::CommandLine& _cmdLine, const std::string& _code, bx::WriterI* _writer)
{
BX_TRACE("DX11");
const char* profile = _cmdLine.findOption('p', "profile");
if (NULL == profile)
{
fprintf(stderr, "Shader profile must be specified.\n");
return false;
}
bool debug = _cmdLine.hasArg('\0', "debug");
uint32_t flags = D3DCOMPILE_ENABLE_BACKWARDS_COMPATIBILITY;
flags |= debug ? D3DCOMPILE_DEBUG : 0;
flags |= _cmdLine.hasArg('\0', "avoid-flow-control") ? D3DCOMPILE_AVOID_FLOW_CONTROL : 0;
flags |= _cmdLine.hasArg('\0', "no-preshader") ? D3DCOMPILE_NO_PRESHADER : 0;
flags |= _cmdLine.hasArg('\0', "partial-precision") ? D3DCOMPILE_PARTIAL_PRECISION : 0;
flags |= _cmdLine.hasArg('\0', "prefer-flow-control") ? D3DCOMPILE_PREFER_FLOW_CONTROL : 0;
flags |= _cmdLine.hasArg('\0', "backwards-compatibility") ? D3DCOMPILE_ENABLE_BACKWARDS_COMPATIBILITY : 0;
bool werror = _cmdLine.hasArg('\0', "Werror");
if (werror)
{
flags |= D3DCOMPILE_WARNINGS_ARE_ERRORS;
}
uint32_t optimization = 3;
if (_cmdLine.hasArg(optimization, 'O') )
{
optimization = bx::uint32_min(optimization, BX_COUNTOF(s_optimizationLevelDx11)-1);
flags |= s_optimizationLevelDx11[optimization];
}
else
{
flags |= D3DCOMPILE_SKIP_OPTIMIZATION;
}
BX_TRACE("Profile: %s", profile);
BX_TRACE("Flags: 0x%08x", flags);
ID3DBlob* code;
ID3DBlob* errorMsg;
// Output preprocessed shader so that HLSL can be debugged via GPA
// or PIX. Compiling through memory won't embed preprocessed shader
// file path.
std::string hlslfp;
if (debug)
{
hlslfp = _cmdLine.findOption('o');
hlslfp += ".hlsl";
writeFile(hlslfp.c_str(), _code.c_str(), (int32_t)_code.size() );
}
HRESULT hr = D3DCompile(_code.c_str()
, _code.size()
, hlslfp.c_str()
, NULL
, NULL
, "main"
, profile
, flags
, 0
, &code
, &errorMsg
);
if (FAILED(hr)
|| (werror && NULL != errorMsg) )
{
const char* log = (char*)errorMsg->GetBufferPointer();
int32_t line = 0;
int32_t column = 0;
int32_t start = 0;
int32_t end = INT32_MAX;
if (2 == sscanf(log, "(%u,%u):", &line, &column)
&& 0 != line)
{
start = bx::uint32_imax(1, line-10);
end = start + 20;
}
printCode(_code.c_str(), line, start, end);
fprintf(stderr, "Error: 0x%08x %s\n", (uint32_t)hr, log);
errorMsg->Release();
return false;
}
UniformArray uniforms;
ID3D11ShaderReflection* reflect = NULL;
hr = D3DReflect(code->GetBufferPointer()
, code->GetBufferSize()
, IID_ID3D11ShaderReflection
, (void**)&reflect
);
if (FAILED(hr) )
{
fprintf(stderr, "Error: 0x%08x\n", (uint32_t)hr);
return false;
}
D3D11_SHADER_DESC desc;
hr = reflect->GetDesc(&desc);
if (FAILED(hr) )
{
fprintf(stderr, BX_FILE_LINE_LITERAL "Error: 0x%08x\n", (uint32_t)hr);
return false;
}
BX_TRACE("Creator: %s 0x%08x", desc.Creator, desc.Version);
BX_TRACE("Num constant buffers: %d", desc.ConstantBuffers);
BX_TRACE("Input:");
uint8_t numAttrs = 0;
uint16_t attrs[bgfx::Attrib::Count];
if (profile[0] == 'v') // Only care about input semantic on vertex shaders
{
for (uint32_t ii = 0; ii < desc.InputParameters; ++ii)
{
D3D11_SIGNATURE_PARAMETER_DESC spd;
reflect->GetInputParameterDesc(ii, &spd);
BX_TRACE("\t%2d: %s%d, vt %d, ct %d, mask %x, reg %d"
, ii
, spd.SemanticName
, spd.SemanticIndex
, spd.SystemValueType
, spd.ComponentType
, spd.Mask
, spd.Register
);
const RemapInputSemantic& ris = findInputSemantic(spd.SemanticName, spd.SemanticIndex);
if (ris.m_attr != bgfx::Attrib::Count)
{
attrs[numAttrs] = bgfx::attribToId(ris.m_attr);
++numAttrs;
}
}
}
BX_TRACE("Output:");
for (uint32_t ii = 0; ii < desc.OutputParameters; ++ii)
{
D3D11_SIGNATURE_PARAMETER_DESC spd;
reflect->GetOutputParameterDesc(ii, &spd);
BX_TRACE("\t%2d: %s%d, %d, %d", ii, spd.SemanticName, spd.SemanticIndex, spd.SystemValueType, spd.ComponentType);
}
uint16_t size = 0;
for (uint32_t ii = 0; ii < bx::uint32_min(1, desc.ConstantBuffers); ++ii)
{
ID3D11ShaderReflectionConstantBuffer* cbuffer = reflect->GetConstantBufferByIndex(ii);
D3D11_SHADER_BUFFER_DESC bufferDesc;
hr = cbuffer->GetDesc(&bufferDesc);
size = (uint16_t)bufferDesc.Size;
if (SUCCEEDED(hr) )
{
BX_TRACE("%s, %d, vars %d, size %d"
, bufferDesc.Name
, bufferDesc.Type
, bufferDesc.Variables
, bufferDesc.Size
);
for (uint32_t jj = 0; jj < bufferDesc.Variables; ++jj)
{
ID3D11ShaderReflectionVariable* var = cbuffer->GetVariableByIndex(jj);
ID3D11ShaderReflectionType* type = var->GetType();
D3D11_SHADER_VARIABLE_DESC varDesc;
hr = var->GetDesc(&varDesc);
if (SUCCEEDED(hr) )
{
D3D11_SHADER_TYPE_DESC constDesc;
hr = type->GetDesc(&constDesc);
if (SUCCEEDED(hr) )
{
UniformType::Enum uniformType = findUniformTypeDx11(constDesc);
if (UniformType::Count != uniformType
&& 0 != (varDesc.uFlags & D3D_SVF_USED) )
{
Uniform un;
un.name = varDesc.Name;
un.type = uniformType;
un.num = constDesc.Elements;
un.regIndex = varDesc.StartOffset;
un.regCount = BX_ALIGN_16(varDesc.Size)/16;
uniforms.push_back(un);
BX_TRACE("\t%s, %d, size %d, flags 0x%08x, %d"
, varDesc.Name
, varDesc.StartOffset
, varDesc.Size
, varDesc.uFlags
, uniformType
);
}
else
{
BX_TRACE("\t%s, unknown type", varDesc.Name);
}
}
}
}
}
}
BX_TRACE("Bound:");
for (uint32_t ii = 0; ii < desc.BoundResources; ++ii)
{
D3D11_SHADER_INPUT_BIND_DESC bindDesc;
hr = reflect->GetResourceBindingDesc(ii, &bindDesc);
if (SUCCEEDED(hr) )
{
// if (bindDesc.Type == D3D_SIT_SAMPLER)
{
BX_TRACE("\t%s, %d, %d, %d"
, bindDesc.Name
, bindDesc.Type
, bindDesc.BindPoint
, bindDesc.BindCount
);
}
}
}
uint16_t count = (uint16_t)uniforms.size();
bx::write(_writer, count);
uint32_t fragmentBit = profile[0] == 'p' ? BGFX_UNIFORM_FRAGMENTBIT : 0;
for (UniformArray::const_iterator it = uniforms.begin(); it != uniforms.end(); ++it)
{
const Uniform& un = *it;
uint8_t nameSize = (uint8_t)un.name.size();
bx::write(_writer, nameSize);
bx::write(_writer, un.name.c_str(), nameSize);
uint8_t type = un.type|fragmentBit;
bx::write(_writer, type);
bx::write(_writer, un.num);
bx::write(_writer, un.regIndex);
bx::write(_writer, un.regCount);
BX_TRACE("%s, %s, %d, %d, %d"
, un.name.c_str()
, getUniformTypeName(un.type)
, un.num
, un.regIndex
, un.regCount
);
}
{
ID3DBlob* stripped;
hr = D3DStripShader(code->GetBufferPointer()
, code->GetBufferSize()
, D3DCOMPILER_STRIP_REFLECTION_DATA
| D3DCOMPILER_STRIP_TEST_BLOBS
, &stripped
);
if (SUCCEEDED(hr) )
{
code->Release();
code = stripped;
}
}
uint16_t shaderSize = (uint16_t)code->GetBufferSize();
bx::write(_writer, shaderSize);
bx::write(_writer, code->GetBufferPointer(), shaderSize);
uint8_t nul = 0;
bx::write(_writer, nul);
bx::write(_writer, numAttrs);
bx::write(_writer, attrs, numAttrs*sizeof(uint16_t) );
bx::write(_writer, size);
if (_cmdLine.hasArg('\0', "disasm") )
{
ID3DBlob* disasm;
D3DDisassemble(code->GetBufferPointer()
, code->GetBufferSize()
, 0
, NULL
, &disasm
);
if (NULL != disasm)
{
std::string disasmfp = _cmdLine.findOption('o');
disasmfp += ".disasm";
writeFile(disasmfp.c_str(), disasm->GetBufferPointer(), (uint32_t)disasm->GetBufferSize() );
disasm->Release();
}
}
if (NULL != reflect)
{
reflect->Release();
}
if (NULL != errorMsg)
{
errorMsg->Release();
}
code->Release();
return true;
}
D3D11RendererVariableManager::D3D11ConstantBuffer*
D3D11RendererVariableManager::loadBuffer(std::vector<D3D11RendererMaterial::Variable*>& variables,
PxU32& variableBufferSize,
ShaderTypeKey typeKey,
ID3D11ShaderReflectionConstantBuffer* pReflectionBuffer,
const D3D11_SHADER_BUFFER_DESC& sbDesc,
const D3D11_BUFFER_DESC& cbDesc)
{
ID3D11Buffer* pBuffer = NULL;
D3D11ConstantBuffer* pCB = NULL;
HRESULT result = mRenderer.getD3DDevice()->CreateBuffer(&cbDesc, NULL, &pBuffer);
RENDERER_ASSERT(SUCCEEDED(result), "Error creating D3D11 constant buffer.");
if (SUCCEEDED(result))
{
pCB = new D3D11ConstantBuffer(pBuffer, new PxU8[sbDesc.Size], sbDesc.Size);
try
{
for (PxU32 i = 0; i < sbDesc.Variables; ++i)
{
ID3D11ShaderReflectionVariable* pVariable = pReflectionBuffer->GetVariableByIndex(i);
D3D11_SHADER_VARIABLE_DESC vDesc;
pVariable->GetDesc(&vDesc);
ID3D11ShaderReflectionType* pType = pVariable->GetType();
D3D11_SHADER_TYPE_DESC tDesc;
pType->GetDesc(&tDesc);
RendererMaterial::VariableType type = getVariableType(tDesc);
D3D11DataVariable* var = 0;
// Search to see if the variable already exists...
PxU32 numVariables = (PxU32)variables.size();
for (PxU32 j = 0; j < numVariables; ++j)
{
if (!strcmp(variables[j]->getName(), vDesc.Name))
{
var = static_cast<D3D11DataVariable*>(variables[j]);
break;
}
}
// Check to see if the variable is of the same type.
if (var)
{
RENDERER_ASSERT(var->getType() == type, "Variable changes type!");
}
// If we couldn't find the variable... create a new variable...
if (!var)
{
var = new D3D11DataVariable(vDesc.Name, type, variableBufferSize);
variables.push_back(var);
variableBufferSize += var->getDataSize();
}
PxU8* varData = pCB->data + vDesc.StartOffset;
var->addHandle(typeKey, varData, &(pCB->bDirty));
}
}
catch(...)
{
RENDERER_ASSERT(0, "Exception in processing D3D shader variables");
delete pCB;
}
}
return pCB;
}
bool getReflectionDataD3D11(ID3DBlob* _code, bool _vshader, UniformArray& _uniforms, uint8_t& _numAttrs, uint16_t* _attrs, uint16_t& _size, UniformNameList& unusedUniforms)
{
ID3D11ShaderReflection* reflect = NULL;
HRESULT hr = D3DReflect(_code->GetBufferPointer()
, _code->GetBufferSize()
, s_compiler->IID_ID3D11ShaderReflection
, (void**)&reflect
);
if (FAILED(hr) )
{
fprintf(stderr, "Error: D3DReflect failed 0x%08x\n", (uint32_t)hr);
return false;
}
D3D11_SHADER_DESC desc;
hr = reflect->GetDesc(&desc);
if (FAILED(hr) )
{
fprintf(stderr, "Error: ID3D11ShaderReflection::GetDesc failed 0x%08x\n", (uint32_t)hr);
return false;
}
BX_TRACE("Creator: %s 0x%08x", desc.Creator, desc.Version);
BX_TRACE("Num constant buffers: %d", desc.ConstantBuffers);
BX_TRACE("Input:");
if (_vshader) // Only care about input semantic on vertex shaders
{
for (uint32_t ii = 0; ii < desc.InputParameters; ++ii)
{
D3D11_SIGNATURE_PARAMETER_DESC spd;
reflect->GetInputParameterDesc(ii, &spd);
BX_TRACE("\t%2d: %s%d, vt %d, ct %d, mask %x, reg %d"
, ii
, spd.SemanticName
, spd.SemanticIndex
, spd.SystemValueType
, spd.ComponentType
, spd.Mask
, spd.Register
);
const RemapInputSemantic& ris = findInputSemantic(spd.SemanticName, spd.SemanticIndex);
if (ris.m_attr != bgfx::Attrib::Count)
{
_attrs[_numAttrs] = bgfx::attribToId(ris.m_attr);
++_numAttrs;
}
}
}
BX_TRACE("Output:");
for (uint32_t ii = 0; ii < desc.OutputParameters; ++ii)
{
D3D11_SIGNATURE_PARAMETER_DESC spd;
reflect->GetOutputParameterDesc(ii, &spd);
BX_TRACE("\t%2d: %s%d, %d, %d", ii, spd.SemanticName, spd.SemanticIndex, spd.SystemValueType, spd.ComponentType);
}
for (uint32_t ii = 0, num = bx::uint32_min(1, desc.ConstantBuffers); ii < num; ++ii)
{
ID3D11ShaderReflectionConstantBuffer* cbuffer = reflect->GetConstantBufferByIndex(ii);
D3D11_SHADER_BUFFER_DESC bufferDesc;
hr = cbuffer->GetDesc(&bufferDesc);
_size = (uint16_t)bufferDesc.Size;
if (SUCCEEDED(hr) )
{
BX_TRACE("%s, %d, vars %d, size %d"
, bufferDesc.Name
, bufferDesc.Type
, bufferDesc.Variables
, bufferDesc.Size
);
for (uint32_t jj = 0; jj < bufferDesc.Variables; ++jj)
{
ID3D11ShaderReflectionVariable* var = cbuffer->GetVariableByIndex(jj);
ID3D11ShaderReflectionType* type = var->GetType();
D3D11_SHADER_VARIABLE_DESC varDesc;
hr = var->GetDesc(&varDesc);
if (SUCCEEDED(hr) )
{
D3D11_SHADER_TYPE_DESC constDesc;
hr = type->GetDesc(&constDesc);
if (SUCCEEDED(hr) )
{
UniformType::Enum uniformType = findUniformType(constDesc);
if (UniformType::Count != uniformType
&& 0 != (varDesc.uFlags & D3D_SVF_USED) )
{
Uniform un;
un.name = varDesc.Name;
un.type = uniformType;
un.num = constDesc.Elements;
un.regIndex = varDesc.StartOffset;
un.regCount = BX_ALIGN_16(varDesc.Size) / 16;
_uniforms.push_back(un);
BX_TRACE("\t%s, %d, size %d, flags 0x%08x, %d (used)"
, varDesc.Name
, varDesc.StartOffset
, varDesc.Size
, varDesc.uFlags
, uniformType
);
}
else
{
if (0 == (varDesc.uFlags & D3D_SVF_USED) )
{
unusedUniforms.push_back(varDesc.Name);
}
BX_TRACE("\t%s, unknown type", varDesc.Name);
}
}
}
}
}
}
BX_TRACE("Bound:");
for (uint32_t ii = 0; ii < desc.BoundResources; ++ii)
{
D3D11_SHADER_INPUT_BIND_DESC bindDesc;
hr = reflect->GetResourceBindingDesc(ii, &bindDesc);
if (SUCCEEDED(hr) )
{
if (D3D_SIT_SAMPLER == bindDesc.Type)
{
BX_TRACE("\t%s, %d, %d, %d"
, bindDesc.Name
, bindDesc.Type
, bindDesc.BindPoint
, bindDesc.BindCount
);
const char * end = strstr(bindDesc.Name, "Sampler");
if (NULL != end)
{
Uniform un;
un.name.assign(bindDesc.Name, (end - bindDesc.Name) );
un.type = UniformType::Enum(BGFX_UNIFORM_SAMPLERBIT | UniformType::Int1);
un.num = 1;
un.regIndex = bindDesc.BindPoint;
un.regCount = bindDesc.BindCount;
_uniforms.push_back(un);
}
}
}
}
if (NULL != reflect)
{
reflect->Release();
}
return true;
}
//-------------------------------------------------------------------------------
// @ IvConstantTableD3D11::Create()
//-------------------------------------------------------------------------------
// Get the constant table for this shader
//-------------------------------------------------------------------------------
IvConstantTableD3D11*
IvConstantTableD3D11::Create(ID3D11Device* device, ID3DBlob* code)
{
ID3D11ShaderReflection* pReflector = nullptr;
D3DReflect(code->GetBufferPointer(), code->GetBufferSize(),
IID_ID3D11ShaderReflection, (void**)&pReflector);
// first get constant table
IvConstantTableD3D11* table = new IvConstantTableD3D11();
ID3D11ShaderReflectionConstantBuffer* globalConstants =
pReflector->GetConstantBufferByName("$Globals");
D3D11_SHADER_BUFFER_DESC constantBufferDesc = { 0 };
HRESULT hr = globalConstants->GetDesc(&constantBufferDesc);
if (FAILED(hr))
{
// no constants in this shader
goto get_textures;
}
table->mBacking = new char[constantBufferDesc.Size];
table->mBackingSize = constantBufferDesc.Size;
if (nullptr == table->mBacking)
{
delete table;
pReflector->Release();
return nullptr;
}
for (unsigned int i = 0; i < constantBufferDesc.Variables; ++i)
{
ID3D11ShaderReflectionVariable* var = globalConstants->GetVariableByIndex(i);
D3D11_SHADER_VARIABLE_DESC varDesc;
if (FAILED(var->GetDesc(&varDesc)))
{
delete table;
pReflector->Release();
return nullptr;
}
ID3D11ShaderReflectionType* type = var->GetType();
D3D11_SHADER_TYPE_DESC typeDesc;
if (FAILED(type->GetDesc(&typeDesc)))
{
delete table;
pReflector->Release();
return nullptr;
}
IvConstantDesc constantDesc;
constantDesc.mOffset = table->mBacking + varDesc.StartOffset;
if (typeDesc.Class == D3D_SVC_SCALAR && typeDesc.Type == D3D_SVT_FLOAT)
{
constantDesc.mType = IvUniformType::kFloatUniform;
}
else if (typeDesc.Class == D3D_SVC_VECTOR && typeDesc.Type == D3D_SVT_FLOAT
&& typeDesc.Columns == 3)
{
constantDesc.mType = IvUniformType::kFloat3Uniform;
}
else if (typeDesc.Class == D3D_SVC_VECTOR && typeDesc.Type == D3D_SVT_FLOAT
&& typeDesc.Columns == 4)
{
constantDesc.mType = IvUniformType::kFloat4Uniform;
}
else if ((typeDesc.Class == D3D_SVC_MATRIX_ROWS || typeDesc.Class == D3D_SVC_MATRIX_COLUMNS)
&& typeDesc.Type == D3D_SVT_FLOAT
&& typeDesc.Rows == 4 && typeDesc.Columns == 4)
{
constantDesc.mType = IvUniformType::kFloatMatrix44Uniform;
}
else
{
// unsupported uniform type
delete table;
pReflector->Release();
return nullptr;
}
constantDesc.mCount = typeDesc.Elements != 0 ? typeDesc.Elements : 1;
table->mConstants[varDesc.Name] = constantDesc;
}
D3D11_BUFFER_DESC cbDesc;
cbDesc.ByteWidth = constantBufferDesc.Size;
cbDesc.Usage = D3D11_USAGE_DYNAMIC;
cbDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
cbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
cbDesc.MiscFlags = 0;
cbDesc.StructureByteStride = 0;
if (FAILED(device->CreateBuffer(&cbDesc, nullptr, &table->mBuffer)))
{
delete table;
pReflector->Release();
return nullptr;
}
get_textures:
// now get any textures and samplers
D3D11_SHADER_DESC shaderDesc = { 0 };
hr = pReflector->GetDesc(&shaderDesc);
if (FAILED(hr))
{
pReflector->Release();
return table;
}
int resourceCount = shaderDesc.BoundResources;
for (int i = 0; i < resourceCount; ++i)
{
D3D11_SHADER_INPUT_BIND_DESC bindingDesc = { 0 };
pReflector->GetResourceBindingDesc(i, &bindingDesc);
if (bindingDesc.Type == D3D_SIT_TEXTURE && bindingDesc.ReturnType == D3D_RETURN_TYPE_FLOAT
&& bindingDesc.Dimension == D3D_SRV_DIMENSION_TEXTURE2D && bindingDesc.NumSamples == -1
&& bindingDesc.BindCount == 1)
{
IvConstantDesc& constantDesc = table->mConstants[bindingDesc.Name];
constantDesc.mType = IvUniformType::kTextureUniform;
constantDesc.mTextureSlot = bindingDesc.BindPoint;
}
else if (bindingDesc.Type == D3D_SIT_SAMPLER && bindingDesc.BindCount == 1)
{
char strippedName[256];
const char* samplerKeyword = strstr(bindingDesc.Name, "Sampler");
strncpy(strippedName, bindingDesc.Name, samplerKeyword - bindingDesc.Name);
strippedName[samplerKeyword - bindingDesc.Name] = '\0';
IvConstantDesc& constantDesc = table->mConstants[strippedName];
constantDesc.mType = IvUniformType::kTextureUniform;
constantDesc.mSamplerSlot = bindingDesc.BindPoint;
}
else if (bindingDesc.Type == D3D_SIT_CBUFFER && !_strnicmp(bindingDesc.Name, "$Globals", 8))
{
// ignore this, we handled it above
}
else
{
// unsupported resource type
delete table;
pReflector->Release();
return nullptr;
}
}
pReflector->Release();
return table;
}
