bool ZZshStartUsingShaders() {
cgSetErrorHandler(HandleCgError, NULL);
g_cgcontext = cgCreateContext();
cgvProf = CG_PROFILE_ARBVP1;
cgfProf = CG_PROFILE_ARBFP1;
cgGLEnableProfile(cgvProf);
cgGLEnableProfile(cgfProf);
cgGLSetOptimalOptions(cgvProf);
cgGLSetOptimalOptions(cgfProf);
cgGLSetManageTextureParameters(g_cgcontext, CG_FALSE);
//cgSetAutoCompile(g_cgcontext, CG_COMPILE_IMMEDIATE);
g_fparamFogColor = cgCreateParameter(g_cgcontext, CG_FLOAT4);
g_vparamPosXY[0] = cgCreateParameter(g_cgcontext, CG_FLOAT4);
g_vparamPosXY[1] = cgCreateParameter(g_cgcontext, CG_FLOAT4);
ZZLog::GS_Log("Creating effects.");
B_G(LoadEffects(), return false);
// create a sample shader
clampInfo temp;
memset(&temp, 0, sizeof(temp));
temp.wms = 3; temp.wmt = 3;
g_nPixelShaderVer = 0;//SHADER_ACCURATE;
// test
bool bFailed;
FRAGMENTSHADER* pfrag = ZZshLoadShadeEffect(0, 1, 1, 1, 1, temp, 0, &bFailed);
if( bFailed || pfrag == NULL ) {
g_nPixelShaderVer = SHADER_ACCURATE|SHADER_REDUCED;
pfrag = ZZshLoadShadeEffect(0, 0, 1, 1, 0, temp, 0, &bFailed);
if( pfrag != NULL )
cgGLLoadProgram(pfrag->prog);
if( bFailed || pfrag == NULL || cgGetError() != CG_NO_ERROR ) {
g_nPixelShaderVer = SHADER_REDUCED;
ZZLog::Error_Log("Basic shader test failed.");
}
}
if (g_nPixelShaderVer & SHADER_REDUCED)
conf.bilinear = 0;
ZZLog::GS_Log("Creating extra effects.");
B_G(ZZshLoadExtraEffects(), return false);
ZZLog::GS_Log("using %s shaders\n", g_pShaders[g_nPixelShaderVer]);
return true;
}
void Effect::initialize()
{
context = cgCreateContext();
if (context == 0)
{
throw std::runtime_error("Could not create context");
}
cgSetErrorHandler(CgErrorHandler, 0);
cgGLRegisterStates(context);
cgGLSetManageTextureParameters(context, true);
}
void _initCgRuntime(ID3D11Device *dev)
{
if(gCgContext == nullptr) {
std::cout << "[CgRuntime] Initialize Cg-Runtime-Direct3D 11" << std::endl;
//qDebug("[Cg] Initialize Cg");
// register the error handler
cgSetErrorHandler( &_cgErrorHandler, NULL);
// create a new Cg Context
gCgContext = cgCreateContext();
HRESULT hr = cgD3D11SetDevice( gCgContext, dev);
if( hr != S_OK )
return;
// Register the default state assignment for OpenGL
//cgD3D11RegisterStates(gCgContext);
// This will allow the Cg runtime to manage texture binding
//cgD3D11SetManageTextureParameters(gCgContext, CG_TRUE);
gCgVertexShaderProfile = cgD3D11GetLatestVertexProfile();
if(gCgVertexShaderProfile == CG_PROFILE_UNKNOWN)
{
// ERROR
std::cout << "[CgRuntime] Error: Could not get valid Vertex-Profile." << std::endl;
return;
}
gCgGeometryShaderProfile = cgD3D11GetLatestGeometryProfile();
if(gCgGeometryShaderProfile == CG_PROFILE_UNKNOWN)
{
// WARNING
std::cout << "[CgRuntime] Warning: Could not get valid Geometry-Profile." << std::endl;
}
gCgFragmentShaderProfile = cgD3D11GetLatestPixelProfile();
if(gCgFragmentShaderProfile == CG_PROFILE_UNKNOWN)
{
// ERROR
std::cout << "[CgRuntime] Error: Could not get valid Fragment-Profile." << std::endl;
return;
}
profileOpts = cgD3D11GetOptimalOptions(gCgVertexShaderProfile);
}
}
static void *gl_cg_init(void *data, const char *path)
{
unsigned i;
cg_shader_data_t *cg_data = (cg_shader_data_t*)
calloc(1, sizeof(cg_shader_data_t));
if (!cg_data)
return NULL;
#ifdef HAVE_CG_RUNTIME_COMPILER
cgRTCgcInit();
#endif
cg_data->cgCtx = cgCreateContext();
if (!cg_data->cgCtx)
{
RARCH_ERR("Failed to create Cg context.\n");
goto error;
}
#ifdef RARCH_CG_DEBUG
cgGLSetDebugMode(CG_TRUE);
cgSetErrorHandler(cg_error_handler, NULL);
#endif
cg_data->cgFProf = cgGLGetLatestProfile(CG_GL_FRAGMENT);
cg_data->cgVProf = cgGLGetLatestProfile(CG_GL_VERTEX);
if (
cg_data->cgFProf == CG_PROFILE_UNKNOWN ||
cg_data->cgVProf == CG_PROFILE_UNKNOWN)
{
RARCH_ERR("Invalid profile type\n");
free(cg_data);
cg_data = NULL;
goto error;
}
RARCH_LOG("[Cg]: Vertex profile: %s\n", cgGetProfileString(cg_data->cgVProf));
RARCH_LOG("[Cg]: Fragment profile: %s\n", cgGetProfileString(cg_data->cgFProf));
cgGLSetOptimalOptions(cg_data->cgFProf);
cgGLSetOptimalOptions(cg_data->cgVProf);
cgGLEnableProfile(cg_data->cgFProf);
cgGLEnableProfile(cg_data->cgVProf);
memset(cg_data->cg_alias_define, 0, sizeof(cg_data->cg_alias_define));
if (path && string_is_equal(path_get_extension(path), "cgp"))
{
if (!gl_cg_load_preset(cg_data, path))
goto error;
}
else
{
if (!gl_cg_load_plain(cg_data, path))
goto error;
}
cg_data->prg[0].mvp = cgGetNamedParameter(cg_data->prg[0].vprg, "IN.mvp_matrix");
for (i = 1; i <= cg_data->shader->passes; i++)
gl_cg_set_program_attributes(cg_data, i);
/* If we aren't using last pass non-FBO shader,
* this shader will be assumed to be "fixed-function".
*
* Just use prg[0] for that pass, which will be
* pass-through. */
cg_data->prg[cg_data->shader->passes + 1] = cg_data->prg[0];
/* No need to apply Android hack in Cg. */
cg_data->prg[GL_SHADER_STOCK_BLEND] = cg_data->prg[0];
cgGLBindProgram(cg_data->prg[1].fprg);
cgGLBindProgram(cg_data->prg[1].vprg);
return cg_data;
error:
gl_cg_destroy_resources(cg_data);
if (!cg_data)
free(cg_data);
return NULL;
}
static bool gl_cg_init(const char *path)
{
unsigned i;
#ifdef HAVE_CG_RUNTIME_COMPILER
cgRTCgcInit();
#endif
if (!cgCtx)
cgCtx = cgCreateContext();
if (cgCtx == NULL)
{
RARCH_ERR("Failed to create Cg context\n");
return false;
}
#ifdef RARCH_CG_DEBUG
cgGLSetDebugMode(CG_TRUE);
cgSetErrorHandler(cg_error_handler, NULL);
#endif
cgFProf = cgGLGetLatestProfile(CG_GL_FRAGMENT);
cgVProf = cgGLGetLatestProfile(CG_GL_VERTEX);
if (cgFProf == CG_PROFILE_UNKNOWN || cgVProf == CG_PROFILE_UNKNOWN)
{
RARCH_ERR("Invalid profile type\n");
goto error;
}
#ifndef HAVE_RGL
RARCH_LOG("[Cg]: Vertex profile: %s\n", cgGetProfileString(cgVProf));
RARCH_LOG("[Cg]: Fragment profile: %s\n", cgGetProfileString(cgFProf));
#endif
cgGLSetOptimalOptions(cgFProf);
cgGLSetOptimalOptions(cgVProf);
cgGLEnableProfile(cgFProf);
cgGLEnableProfile(cgVProf);
if (path && strcmp(path_get_extension(path), "cgp") == 0)
{
if (!load_preset(path))
goto error;
}
else
{
if (!load_plain(path))
goto error;
}
prg[0].mvp = cgGetNamedParameter(prg[0].vprg, "IN.mvp_matrix");
for (i = 1; i <= cg_shader->passes; i++)
set_program_attributes(i);
// If we aren't using last pass non-FBO shader,
// this shader will be assumed to be "fixed-function".
// Just use prg[0] for that pass, which will be
// pass-through.
prg[cg_shader->passes + 1] = prg[0];
// No need to apply Android hack in Cg.
prg[GL_SHADER_STOCK_BLEND] = prg[0];
cgGLBindProgram(prg[1].fprg);
cgGLBindProgram(prg[1].vprg);
cg_active = true;
return true;
error:
gl_cg_deinit();
return false;
}
void DXWindow::initPipeline()
{
HRESULT hr;
#ifdef USE_CG
// INIT CG
{
std::cout << "Initialize Cg-Runtime-Direct3D 11" << std::endl;
//qDebug("[Cg] Initialize Cg");
// register the error handler
cgSetErrorHandler(&_cgErrorHandler, NULL);
// create a new Cg Context
mCgContext = cgCreateContext();
HRESULT hr = cgD3D11SetDevice(mCgContext, mDevice);
if (hr != S_OK)
return;
// Register the default state assignment for OpenGL
cgD3D11RegisterStates(mCgContext);
// This will allow the Cg runtime to manage texture binding
cgD3D11SetManageTextureParameters(mCgContext, CG_TRUE);
}
// LOAD SHADER Cg
{
std::string sourcePtr = read("vshader.cg");
int num = sizeof(CG_VERTEX_SHADER_PROFILES) / sizeof(CG_VERTEX_SHADER_PROFILES[0]);
for (int i = 0; i < num; ++i)
{
auto optimal = cgD3D11GetOptimalOptions(CG_VERTEX_SHADER_PROFILES[i]);
mVertexShaderId = cgCreateProgram(mCgContext, CG_SOURCE, sourcePtr.c_str(), CG_VERTEX_SHADER_PROFILES[i], "main", optimal);
hr = cgD3D11LoadProgram(mVertexShaderId, NULL);
if (SUCCEEDED(hr))
break;
}
if (SUCCEEDED(hr))
{
std::cout << "Loaded vertex shader!\n";
}
else
{
std::cout << "Could not load vertex shader!\n";
exit(-1);
}
sourcePtr = read("fshader.cg");
num = sizeof(CG_PIXEL_SHADER_PROFILES) / sizeof(CG_PIXEL_SHADER_PROFILES[0]);
for (int i = 0; i < num; ++i)
{
auto optimal = cgD3D11GetOptimalOptions(CG_PIXEL_SHADER_PROFILES[i]);
mFragmentShaderId = cgCreateProgram(mCgContext, CG_SOURCE, sourcePtr.c_str(), CG_PIXEL_SHADER_PROFILES[i], "main", optimal);
hr = cgD3D11LoadProgram(mFragmentShaderId, NULL);
if (SUCCEEDED(hr))
break;
}
if (SUCCEEDED(hr))
{
std::cout << "Loaded pixel shader!\n";
}
else
{
std::cout << "Could not load pixel shader!\n";
exit(-1);
}
// get a D3D shader resource from CG shader resource
ID3D10Blob* VS = cgD3D11GetCompiledProgram(mVertexShaderId);
// activate the shader objects
cgD3D11BindProgram(mVertexShaderId);
cgD3D11BindProgram(mFragmentShaderId);
// create the input layout object
D3D11_INPUT_ELEMENT_DESC ied[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
hr = mDevice->CreateInputLayout(ied, 2, VS->GetBufferPointer(), VS->GetBufferSize(), &mLayout);
if (SUCCEEDED(hr))
{
std::cout << "Created vertex layout for shader!\n";
}
else
{
std::cout << "Could not create vertex layout for shader!\n";
exit(-1);
}
mDeviceContext->IASetInputLayout(mLayout);
}
// Load Shader HLSL
#else
{
//Compile Shaders from shader file
hr = D3DX11CompileFromFile("shaders.shader", 0, 0, "VS", "vs_4_0", 0, 0, 0, &VS_Buffer, 0, 0);
hr = D3DX11CompileFromFile("shaders.shader", 0, 0, "PS", "ps_4_0", 0, 0, 0, &PS_Buffer, 0, 0);
//Create the Shader Objects
hr = mDevice->CreateVertexShader(VS_Buffer->GetBufferPointer(), VS_Buffer->GetBufferSize(), NULL, &VS);
hr = mDevice->CreatePixelShader(PS_Buffer->GetBufferPointer(), PS_Buffer->GetBufferSize(), NULL, &PS);
//Set Vertex and Pixel Shaders
mDeviceContext->VSSetShader(VS, 0, 0);
mDeviceContext->PSSetShader(PS, 0, 0);
// create the input layout object
D3D11_INPUT_ELEMENT_DESC ied[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
hr = mDevice->CreateInputLayout(ied, 2, VS_Buffer->GetBufferPointer(), VS_Buffer->GetBufferSize(), &mLayout);
if (SUCCEEDED(hr))
{
std::cout << "Created vertex layout for shader!\n";
}
else
{
std::cout << "Could not create vertex layout for shader!\n";
exit(-1);
}
mDeviceContext->IASetInputLayout(mLayout);
}
#endif
}
