bool cDirectX9HLShader::getShaderConstHandle( bool bVs, const s8 *sVarName, h32 &out )
{
ID3DXConstantTable* pkTable = bVs ? mpkVsTable : mpkPsTable;
/* check top level params */
out = (h32)pkTable->GetConstantByName(0,sVarName);
if( XISVALIDHANDLE(out) )
return true;
return false;
}
bool DX9VertexShaderConstantsCompiler::compile( const std::string& shaderCode, const char* entryFunction, std::vector< ShaderConstantDesc >& outConstants )
{
// create a renderer
IDirect3D9* d3d9 = Direct3DCreate9( D3D_SDK_VERSION );
DX9Initializer initializer( *d3d9 );
IDirect3DDevice9* compileDevice = initializer.createNullDevice();
const char* shaderProfile = D3DXGetVertexShaderProfile( compileDevice );
DWORD flags = D3DXSHADER_DEBUG;
ID3DXBuffer* shaderBuf = NULL;
ID3DXBuffer* errorsBuf = NULL;
ID3DXConstantTable* shaderConstants = NULL;
DX9ShaderIncludeLoader includesLoader;
HRESULT res = D3DXCompileShader( shaderCode.c_str(), shaderCode.length(), NULL, &includesLoader, entryFunction, shaderProfile, flags, &shaderBuf, &errorsBuf, &shaderConstants );
// interpret the results
bool result = true;
if ( FAILED(res) || shaderBuf == NULL )
{
if ( errorsBuf != NULL )
{
std::string compilationErrors = ( const char* )errorsBuf->GetBufferPointer();
errorsBuf->Release();
m_errorMsg = std::string( "Shader compilation error: " ) + compilationErrors;
}
else
{
m_errorMsg = translateDxError( "Error while compiling a shader", res );
}
result = false;
}
else
{
std::vector< D3DXCONSTANT_DESC > constants;
ShaderConstantDesc newConstant;
result = ShaderCompilerUtils::parseConstants( shaderConstants, m_errorMsg, constants );
if ( result )
{
unsigned int constantsCount = constants.size();
for ( unsigned int i = 0; i < constantsCount; ++i )
{
if ( createConstant( constants[i], newConstant ) )
{
outConstants.push_back( newConstant );
}
}
}
}
// cleanup
if ( shaderConstants )
{
shaderConstants->Release();
}
compileDevice->Release();
d3d9->Release();
return result;
}
bool cDirectX9HLShader::setShaderConst( bool bVs, h32 in, const f32 *val, s32 count )
{
ID3DXConstantTable* pkTable = bVs ? mpkVsTable : mpkPsTable;
return FAILED( pkTable->SetFloatArray( gpkDirect3DDevice, reinterpret_cast<D3DXHANDLE>(in), val, count ) ) ?false : true;
}
BOOL RenderMultiTex::Init(UINT width, UINT height, HWND hwnd, BOOL windowed, D3DDEVTYPE devType) {
HRESULT hr = Render::Init(width, height, hwnd, windowed, devType);
SGL_FAILED_DO(hr, MYTRACE_DX("Render::Init", hr); return FALSE);
// Create geometry.
IDirect3DVertexBuffer9* vb;
m_D3DDev->CreateVertexBuffer(6 * sizeof(MultiTexVertex), D3DUSAGE_WRITEONLY, MultiTexVertex::FVF, D3DPOOL_MANAGED, &vb, NULL);
m_QuadVB.Attach(vb);
MultiTexVertex* v = NULL;
vb->Lock(0, 0, (void**) &v, 0);
v[0] = MultiTexVertex(-10.0f, -10.0f, 5.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
v[1] = MultiTexVertex(-10.0f, 10.0f, 5.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
v[2] = MultiTexVertex( 10.0f, 10.0f, 5.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f);
v[3] = MultiTexVertex(-10.0f, -10.0f, 5.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
v[4] = MultiTexVertex( 10.0f, 10.0f, 5.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f);
v[5] = MultiTexVertex( 10.0f, -10.0f, 5.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
vb->Unlock();
// Compile shader
ID3DXBuffer* shaderBuf = NULL;
ID3DXBuffer* errBuf = NULL;
ID3DXConstantTable* constTbl;
hr = D3DXCompileShaderFromFile(MultiTexPSFile, NULL, NULL, "Main", "ps_1_1", D3DXSHADER_DEBUG | D3DXSHADER_ENABLE_BACKWARDS_COMPATIBILITY, &shaderBuf, &errBuf, &constTbl);
// output any error messages
if (errBuf != NULL) {
MYTRACEA("D3DXCompileShaderFromFile failed: %s", (char*) errBuf->GetBufferPointer());
SGL::Release(errBuf);
}
SGL_FAILED_DO(hr, MYTRACE_DX("D3DXCompileShaderFromFile", hr); return FALSE);
m_MultiTexCT.Attach(constTbl);
// Create Pixel Shader
IDirect3DPixelShader9* shader;
hr = m_D3DDev->CreatePixelShader((DWORD*) shaderBuf->GetBufferPointer(), &shader);
SGL_FAILED_DO(hr, MYTRACE_DX("CreatePixelShader", hr); return FALSE);
m_MultiTexPS.Attach(shader);
SGL::Release(shaderBuf);
// Load textures.
IDirect3DTexture9* tex;
D3DXCreateTextureFromFile(m_D3DDev, BaseTexFile, &tex);
SGL_FAILED_DO(hr, MYTRACE_DX("D3DXCreateTextureFromFile", hr); return FALSE);
m_BaseTex.Attach(tex);
D3DXCreateTextureFromFile(m_D3DDev, SpotLightTexFile, &tex);
SGL_FAILED_DO(hr, MYTRACE_DX("D3DXCreateTextureFromFile", hr); return FALSE);
m_SpotLightTex.Attach(tex);
D3DXCreateTextureFromFile(m_D3DDev, StringTexFile, &tex);
SGL_FAILED_DO(hr, MYTRACE_DX("D3DXCreateTextureFromFile", hr); return FALSE);
m_StringTex.Attach(tex);
// Set Projection Matrix
D3DXMATRIX P;
D3DXMatrixPerspectiveFovLH(&P, D3DX_PI * 0.25f, (float) width / (float) height, 1.0f, 1000.0f);
m_D3DDev->SetTransform(D3DTS_PROJECTION, &P);
// Disable lighting.
m_D3DDev->SetRenderState(D3DRS_LIGHTING, FALSE);
// Get Handles
m_BaseTexHandle = constTbl->GetConstantByName(NULL, "BaseTex");
m_SpotLightTexHandle = constTbl->GetConstantByName(NULL, "SpotLightTex");
m_StringTexHandle = constTbl->GetConstantByName(NULL, "StringTex");
// Set constant descriptions:
UINT count;
constTbl->GetConstantDesc(m_BaseTexHandle, &m_BaseTexDesc, &count);
constTbl->GetConstantDesc(m_SpotLightTexHandle, &m_SpotLightTexDesc, &count);
constTbl->GetConstantDesc(m_StringTexHandle, &m_StringTexDesc, &count);
constTbl->SetDefaults(m_D3DDev);
if (!InitFont())
return FALSE;
return TRUE;
}
