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;
}
bool ZZshStartUsingShaders() {
ZZLog::Error_Log("Creating effects.");
B_G(LoadEffects(), return false);
if (!glCreateShader)
{
ZZLog::Error_Log("GLSL shaders is not supported, stop.");
return false;
}
init_shader();
// create a sample shader
clampInfo temp;
memset(&temp, 0, sizeof(temp));
temp.wms = 3; temp.wmt = 3;
// test
bool bFailed;
FRAGMENTSHADER* pfrag = ZZshLoadShadeEffect(0, 1, 1, 1, 1, temp, 0, &bFailed);
if( bFailed || pfrag == NULL ) {
return false;
ZZLog::Error_Log("Shader test failed.");
}
ZZLog::Error_Log("Creating extra effects.");
B_G(ZZshLoadExtraEffects(), return false);
return true;
}
bool ZZshStartUsingShaders() {
ZZLog::Error_Log("Creating effects.");
B_G(LoadEffects(), return false);
if (!glCreateShader)
{
ZZLog::Error_Log("GLSL shaders is not supported, stop.");
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 )
glLinkProgram(pfrag->Shader);
if( bFailed || pfrag == NULL || glGetError() != GL_NO_ERROR) {
g_nPixelShaderVer = SHADER_REDUCED;
ZZLog::Error_Log("Basic shader test failed.");
}
}
ZZshMainProgram = glCreateProgram();
NumActiveUniforms = 0;
SetGlobalUniform(&g_fparamFogColor, "g_fFogColor");
SetGlobalUniform(&g_vparamPosXY[0], "g_fPosXY[0]");
SetGlobalUniform(&g_vparamPosXY[1], NOCONTEXT?"g_fPosXY[1]":"g_fPosXY[0]");
NumGlobalUniforms = NumActiveUniforms;
if (g_nPixelShaderVer & SHADER_REDUCED)
conf.bilinear = 0;
ZZLog::Error_Log("Creating extra effects.");
B_G(ZZshLoadExtraEffects(), return false);
ZZLog::Error_Log("Using %s shaders.", g_pShaders[g_nPixelShaderVer]);
return true;
}