FShader *FShaderCollection::Compile (const char *ShaderName, const char *ShaderPath, bool usediscard, EPassType passType)
{
FString defines;
// this can't be in the shader code due to ATI strangeness.
if (gl.MaxLights() == 128) defines += "#define MAXLIGHTS128\n";
if (!usediscard) defines += "#define NO_ALPHATEST\n";
if (passType == GBUFFER_PASS) defines += "#define GBUFFER_PASS\n";
FShader *shader = NULL;
try
{
shader = new FShader(ShaderName);
if (!shader->Load(ShaderName, "shaders/glsl/main.vp", "shaders/glsl/main.fp", ShaderPath, defines.GetChars()))
{
I_FatalError("Unable to load shader %s\n", ShaderName);
}
}
catch(CRecoverableError &err)
{
if (shader != NULL) delete shader;
shader = NULL;
I_FatalError("Unable to load shader %s:\n%s\n", ShaderName, err.GetMessage());
}
return shader;
}
void FShaderManager::CompileShaders()
{
mActiveShader = NULL;
mTextureEffects.Clear();
mTextureEffectsNAT.Clear();
for (int i = 0; i < MAX_EFFECTS; i++)
{
mEffectShaders[i] = NULL;
}
for(int i=0;defaultshaders[i].ShaderName != NULL;i++)
{
FShader *shc = Compile(defaultshaders[i].ShaderName, defaultshaders[i].gettexelfunc, true);
mTextureEffects.Push(shc);
if (i <= 3)
{
FShader *shc = Compile(defaultshaders[i].ShaderName, defaultshaders[i].gettexelfunc, false);
mTextureEffectsNAT.Push(shc);
}
}
for(unsigned i = 0; i < usershaders.Size(); i++)
{
FString name = ExtractFileBase(usershaders[i]);
FName sfn = name;
FShader *shc = Compile(sfn, usershaders[i], true);
mTextureEffects.Push(shc);
}
for(int i=0;i<MAX_EFFECTS;i++)
{
FShader *eff = new FShader(effectshaders[i].ShaderName);
if (!eff->Load(effectshaders[i].ShaderName, effectshaders[i].vp, effectshaders[i].fp1,
effectshaders[i].fp2, effectshaders[i].defines))
{
delete eff;
}
else mEffectShaders[i] = eff;
}
}
void FShaderManager::CompileShaders()
{
mActiveShader = mEffectShaders[0] = mEffectShaders[1] = NULL;
if (gl.shadermodel > 0)
{
for(int i=0;defaultshaders[i].ShaderName != NULL;i++)
{
FShaderContainer * shc = new FShaderContainer(defaultshaders[i].ShaderName, defaultshaders[i].gettexelfunc);
mTextureEffects.Push(shc);
if (gl.shadermodel <= 2) return; // SM2 will only initialize the default shader
}
for(unsigned i = 0; i < usershaders.Size(); i++)
{
FString name = ExtractFileBase(usershaders[i]);
FName sfn = name;
if (gl.shadermodel > 2)
{
FShaderContainer * shc = new FShaderContainer(sfn, usershaders[i]);
mTextureEffects.Push(shc);
}
}
if (gl.shadermodel > 2)
{
for(int i=0;i<NUM_EFFECTS;i++)
{
FShader *eff = new FShader();
if (!eff->Load(effectshaders[i].ShaderName, effectshaders[i].vp, effectshaders[i].fp1,
effectshaders[i].fp2, effectshaders[i].defines))
{
delete eff;
}
else mEffectShaders[i] = eff;
}
}
}
}
