virtual Ogre::GpuProgramPtr generateFragmentShader(Perm permutation)
{
/// Create shader
if (mMasterSource.empty())
{
Ogre::DataStreamPtr ptrMasterSource;
if(Ogre::GpuProgramManager::getSingleton().isSyntaxSupported("glsles"))
ptrMasterSource = Ogre::ResourceGroupManager::getSingleton().openResource("DeferredShading/post/LightMaterial_ps.glsles",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
else
ptrMasterSource = Ogre::ResourceGroupManager::getSingleton().openResource("DeferredShading/post/LightMaterial_ps.glsl",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
assert(ptrMasterSource.isNull()==false);
mMasterSource = ptrMasterSource->getAsString();
}
assert(mMasterSource.empty()==false);
// Create name
Ogre::String name = mBaseName+Ogre::StringConverter::toString(permutation)+"_ps";
// Create shader object
Ogre::HighLevelGpuProgramPtr ptrProgram;
if(Ogre::GpuProgramManager::getSingleton().isSyntaxSupported("glsles"))
{
ptrProgram = Ogre::HighLevelGpuProgramManager::getSingleton().createProgram(name, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"glsles", Ogre::GPT_FRAGMENT_PROGRAM);
ptrProgram->setParameter("profiles", "glsles");
}
else
{
ptrProgram = Ogre::HighLevelGpuProgramManager::getSingleton().createProgram(name, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"glsl", Ogre::GPT_FRAGMENT_PROGRAM);
ptrProgram->setParameter("profiles", "glsl150");
}
ptrProgram->setSource(mMasterSource);
// set up the preprocessor defines
// Important to do this before any call to get parameters, i.e. before the program gets loaded
ptrProgram->setParameter("preprocessor_defines", getPPDefines(permutation));
setUpBaseParameters(ptrProgram->getDefaultParameters());
// Bind samplers
Ogre::GpuProgramParametersSharedPtr params = ptrProgram->getDefaultParameters();
int numSamplers = 0;
params->setNamedConstant("Tex0", (int)numSamplers++);
params->setNamedConstant("Tex1", (int)numSamplers++);
if(permutation & LightMaterialGenerator::MI_SHADOW_CASTER)
params->setNamedConstant("ShadowTex", (int)numSamplers++);
return Ogre::GpuProgramPtr(ptrProgram);
}
virtual Ogre::GpuProgramPtr generateFragmentShader(Perm permutation)
{
/// Create shader
if (mMasterSource.empty())
{
Ogre::DataStreamPtr ptrMasterSource = Ogre::ResourceGroupManager::getSingleton().openResource(
"DeferredShading/post/LightMaterial_ps.cg"
, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
assert(ptrMasterSource.isNull()==false);
mMasterSource = ptrMasterSource->getAsString();
}
assert(mMasterSource.empty()==false);
// Create name
Ogre::String name = mBaseName+Ogre::StringConverter::toString(permutation)+"_ps";
// Create shader object
Ogre::HighLevelGpuProgramPtr ptrProgram = Ogre::HighLevelGpuProgramManager::getSingleton().createProgram(
name, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"cg", Ogre::GPT_FRAGMENT_PROGRAM);
ptrProgram->setSource(mMasterSource);
ptrProgram->setParameter("entry_point","main");
ptrProgram->setParameter("profiles","ps_2_x arbfp1");
// set up the preprocessor defines
// Important to do this before any call to get parameters, i.e. before the program gets loaded
ptrProgram->setParameter("compile_arguments", getPPDefines(permutation));
setUpBaseParameters(ptrProgram->getDefaultParameters());
return Ogre::GpuProgramPtr(ptrProgram);
}
void WaterMaterialGenerator::vertexProgramParams(Ogre::HighLevelGpuProgramPtr program)
{
GpuProgramParametersSharedPtr params = program->getDefaultParameters();
params->setIgnoreMissingParams(true);
params->setNamedAutoConstant("wMat", GpuProgramParameters::ACT_WORLD_MATRIX);
params->setNamedAutoConstant("wvpMat", GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
params->setNamedAutoConstant("fogParams", GpuProgramParameters::ACT_FOG_PARAMS);
individualVertexProgramParams(params);
}
void WaterMaterialGenerator::fragmentProgramParams(Ogre::HighLevelGpuProgramPtr program)
{
GpuProgramParametersSharedPtr params = program->getDefaultParameters();
params->setIgnoreMissingParams(true);
params->setNamedAutoConstant("iTWMat", GpuProgramParameters::ACT_INVERSE_TRANSPOSE_WORLD_MATRIX);
params->setNamedAutoConstant("fogColor", GpuProgramParameters::ACT_FOG_COLOUR);
params->setNamedAutoConstant("lightSpec0", GpuProgramParameters::ACT_LIGHT_SPECULAR_COLOUR, 0);
params->setNamedAutoConstant("lightPos0", GpuProgramParameters::ACT_LIGHT_POSITION, 0);
params->setNamedAutoConstant("camPos", GpuProgramParameters::ACT_CAMERA_POSITION);
params->setNamedAutoConstant("time", GpuProgramParameters::ACT_TIME);
params->setNamedAutoConstant("ambient", GpuProgramParameters::ACT_AMBIENT_LIGHT_COLOUR);
params->setNamedAutoConstant("lightDiff", GpuProgramParameters::ACT_LIGHT_DIFFUSE_COLOUR, 0);
params->setNamedAutoConstant("inverseProjection", GpuProgramParameters::ACT_RENDER_TARGET_FLIPPING);
params->setNamedConstantFromTime("time", 1);
individualFragmentProgramParams(params);
}
Ogre::GpuProgramPtr GBufferMaterialGeneratorImpl::generateVertexShader(MaterialGenerator::Perm permutation)
{
Ogre::StringStream ss;
ss << "void ToGBufferVP(" << std::endl;
ss << " float4 iPosition : POSITION," << std::endl;
ss << " float3 iNormal : NORMAL," << std::endl;
Ogre::uint32 numTexCoords = (permutation & GBufferMaterialGenerator::GBP_TEXCOORD_MASK) >> 8;
for (Ogre::uint32 i=0; i<numTexCoords; i++)
{
ss << " float2 iUV" << i << " : TEXCOORD" << i << ',' << std::endl;
}
if (permutation & GBufferMaterialGenerator::GBP_NORMAL_MAP)
{
ss << " float3 iTangent : TANGENT0," << std::endl;
}
//TODO : Skinning inputs
ss << std::endl;
ss << " out float4 oPosition : POSITION," << std::endl;
#ifdef WRITE_LINEAR_DEPTH
ss << " out float3 oViewPos : TEXCOORD0," << std::endl;
#else
ss << " out float oDepth : TEXCOORD0," << std::endl;
#endif
ss << " out float3 oNormal : TEXCOORD1," << std::endl;
int texCoordNum = 2;
if (permutation & GBufferMaterialGenerator::GBP_NORMAL_MAP)
{
ss << " out float3 oTangent : TEXCOORD" << texCoordNum++ << ',' << std::endl;
ss << " out float3 oBiNormal : TEXCOORD" << texCoordNum++ << ',' << std::endl;
}
for (Ogre::uint32 i=0; i<numTexCoords; i++)
{
ss << " out float2 oUV" << i << " : TEXCOORD" << texCoordNum++ << ',' << std::endl;
}
ss << std::endl;
ss << " uniform float4x4 cWorldViewProj," << std::endl;
ss << " uniform float4x4 cWorldView" << std::endl;
ss << " )" << std::endl;
ss << "{" << std::endl;
ss << " oPosition = mul(cWorldViewProj, iPosition);" << std::endl;
ss << " oNormal = mul(cWorldView, float4(iNormal,0)).xyz;" << std::endl;
if (permutation & GBufferMaterialGenerator::GBP_NORMAL_MAP)
{
ss << " oTangent = mul(cWorldView, float4(iTangent,0)).xyz;" << std::endl;
ss << " oBiNormal = cross(oNormal, oTangent);" << std::endl;
}
#ifdef WRITE_LINEAR_DEPTH
ss << " oViewPos = mul(cWorldView, iPosition).xyz;" << std::endl;
#else
ss << " oDepth = oPosition.w;" << std::endl;
#endif
for (Ogre::uint32 i=0; i<numTexCoords; i++) {
ss << " oUV" << i << " = iUV" << i << ';' << std::endl;
}
ss << "}" << std::endl;
Ogre::String programSource = ss.str();
Ogre::String programName = mBaseName + "VP_" + Ogre::StringConverter::toString(permutation);
#if OGRE_DEBUG_MODE
Ogre::LogManager::getSingleton().getDefaultLog()->logMessage(programSource);
#endif
// Create shader object
Ogre::HighLevelGpuProgramPtr ptrProgram = Ogre::HighLevelGpuProgramManager::getSingleton().createProgram(
programName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"cg", Ogre::GPT_VERTEX_PROGRAM);
ptrProgram->setSource(programSource);
ptrProgram->setParameter("entry_point","ToGBufferVP");
ptrProgram->setParameter("profiles","vs_1_1 arbvp1");
const Ogre::GpuProgramParametersSharedPtr& params = ptrProgram->getDefaultParameters();
params->setNamedAutoConstant("cWorldViewProj", Ogre::GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
params->setNamedAutoConstant("cWorldView", Ogre::GpuProgramParameters::ACT_WORLDVIEW_MATRIX);
ptrProgram->load();
return Ogre::GpuProgramPtr(ptrProgram);
}
Ogre::GpuProgramPtr GBufferMaterialGeneratorImpl::generateFragmentShader(MaterialGenerator::Perm permutation)
{
Ogre::StringStream ss;
ss << "void ToGBufferFP(" << std::endl;
#ifdef WRITE_LINEAR_DEPTH
ss << " float3 iViewPos : TEXCOORD0," << std::endl;
#else
ss << " float1 iDepth : TEXCOORD0," << std::endl;
#endif
ss << " float3 iNormal : TEXCOORD1," << std::endl;
int texCoordNum = 2;
if (permutation & GBufferMaterialGenerator::GBP_NORMAL_MAP)
{
ss << " float3 iTangent : TEXCOORD" << texCoordNum++ << ',' << std::endl;
ss << " float3 iBiNormal : TEXCOORD" << texCoordNum++ << ',' << std::endl;
}
Ogre::uint32 numTexCoords = (permutation & GBufferMaterialGenerator::GBP_TEXCOORD_MASK) >> 8;
for (Ogre::uint32 i=0; i<numTexCoords; i++)
{
ss << " float2 iUV" << i << " : TEXCOORD" << texCoordNum++ << ',' << std::endl;
}
ss << std::endl;
ss << " out float4 oColor0 : COLOR0," << std::endl;
ss << " out float4 oColor1 : COLOR1," << std::endl;
ss << std::endl;
int samplerNum = 0;
if (permutation & GBufferMaterialGenerator::GBP_NORMAL_MAP)
{
ss << " uniform sampler sNormalMap : register(s" << samplerNum++ << ")," << std::endl;
}
Ogre::uint32 numTextures = permutation & GBufferMaterialGenerator::GBP_TEXTURE_MASK;
for (Ogre::uint32 i=0; i<numTextures; i++) {
ss << " uniform sampler sTex" << i << " : register(s" << samplerNum++ << ")," << std::endl;
}
if (numTextures == 0 || permutation & GBufferMaterialGenerator::GBP_HAS_DIFFUSE_COLOUR)
{
ss << " uniform float4 cDiffuseColour," << std::endl;
}
#ifdef WRITE_LINEAR_DEPTH
ss << " uniform float cFarDistance," << std::endl;
#endif
ss << " uniform float cSpecularity" << std::endl;
ss << " )" << std::endl;
ss << "{" << std::endl;
if (numTexCoords > 0 && numTextures > 0)
{
ss << " oColor0.rgb = tex2D(sTex0, iUV0);" << std::endl;
if (permutation & GBufferMaterialGenerator::GBP_HAS_DIFFUSE_COLOUR)
{
ss << " oColor0.rgb *= cDiffuseColour.rgb;" << std::endl;
}
}
else
{
ss << " oColor0.rgb = cDiffuseColour.rgb;" << std::endl;
}
ss << " oColor0.a = cSpecularity;" << std::endl;
if (permutation & GBufferMaterialGenerator::GBP_NORMAL_MAP)
{
ss << " float3 texNormal = (tex2D(sNormalMap, iUV0)-0.5)*2;" << std::endl;
ss << " float3x3 normalRotation = float3x3(iTangent, iBiNormal, iNormal);" << std::endl;
ss << " oColor1.rgb = normalize(mul(texNormal, normalRotation));" << std::endl;
} else
{
ss << " oColor1.rgb = normalize(iNormal);" << std::endl;
}
#ifdef WRITE_LINEAR_DEPTH
ss << " oColor1.a = length(iViewPos) / cFarDistance;" << std::endl;
#else
ss << " oColor1.a = iDepth;" << std::endl;
#endif
ss << "}" << std::endl;
Ogre::String programSource = ss.str();
Ogre::String programName = mBaseName + "FP_" + Ogre::StringConverter::toString(permutation);
#if OGRE_DEBUG_MODE
Ogre::LogManager::getSingleton().getDefaultLog()->logMessage(programSource);
#endif
// Create shader object
Ogre::HighLevelGpuProgramPtr ptrProgram = Ogre::HighLevelGpuProgramManager::getSingleton().createProgram(
programName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"cg", Ogre::GPT_FRAGMENT_PROGRAM);
ptrProgram->setSource(programSource);
ptrProgram->setParameter("entry_point","ToGBufferFP");
ptrProgram->setParameter("profiles","ps_2_0 arbfp1");
const Ogre::GpuProgramParametersSharedPtr& params = ptrProgram->getDefaultParameters();
params->setNamedAutoConstant("cSpecularity", Ogre::GpuProgramParameters::ACT_SURFACE_SHININESS);
if (numTextures == 0 || permutation & GBufferMaterialGenerator::GBP_HAS_DIFFUSE_COLOUR)
{
params->setNamedAutoConstant("cDiffuseColour", Ogre::GpuProgramParameters::ACT_SURFACE_DIFFUSE_COLOUR);
}
#ifdef WRITE_LINEAR_DEPTH
//TODO : Should this be the distance to the far corner, not the far clip distance?
params->setNamedAutoConstant("cFarDistance", Ogre::GpuProgramParameters::ACT_FAR_CLIP_DISTANCE);
#endif
ptrProgram->load();
return Ogre::GpuProgramPtr(ptrProgram);
}
Ogre::GpuProgramPtr GBufferMaterialGeneratorImpl::generateVertexShader(MaterialGenerator::Perm permutation)
{
Ogre::StringStream ss;
if(mIsGLSL)
{
int shadingLangVersion = Ogre::Root::getSingleton().getRenderSystem()->getNativeShadingLanguageVersion();
const char *inSemantic = shadingLangVersion >= 150 ? "in" : "attribute";
const char *outSemantic = shadingLangVersion >= 150 ? "out" : "varying";
if(Ogre::GpuProgramManager::getSingleton().isSyntaxSupported("glsles"))
{
ss << "#version 300 es" << std::endl;
ss << "precision mediump int;" << std::endl;
ss << "precision mediump float;" << std::endl;
}
else
ss << "#version " << shadingLangVersion << std::endl;
ss << inSemantic << " vec4 vertex;" << std::endl;
ss << inSemantic << " vec3 normal;" << std::endl;
Ogre::uint32 numTexCoords = (permutation & GBufferMaterialGenerator::GBP_TEXCOORD_MASK) >> 8;
for (Ogre::uint32 i = 0; i < numTexCoords; i++)
{
ss << inSemantic << " vec2 uv" << i << ';' << std::endl;
}
if (permutation & GBufferMaterialGenerator::GBP_NORMAL_MAP)
{
ss << inSemantic << " vec3 tangent;" << std::endl;
}
//TODO : Skinning inputs
ss << std::endl;
#ifdef WRITE_LINEAR_DEPTH
ss << outSemantic << " vec3 oViewPos;" << std::endl;
#else
ss << outSemantic << " float oDepth;" << std::endl;
#endif
ss << outSemantic << " vec3 oNormal;" << std::endl;
if (permutation & GBufferMaterialGenerator::GBP_NORMAL_MAP)
{
ss << outSemantic << " vec3 oTangent;" << std::endl;
ss << outSemantic << " vec3 oBiNormal;" << std::endl;
}
for (Ogre::uint32 i = 0; i < numTexCoords; i++)
{
ss << outSemantic << " vec2 oUv" << i << ";" << std::endl;
}
ss << std::endl;
ss << "uniform mat4 cWorldViewProj;" << std::endl;
ss << "uniform mat4 cWorldView;" << std::endl;
ss << "void main()" << std::endl;
ss << "{" << std::endl;
ss << " gl_Position = cWorldViewProj * vertex;" << std::endl;
ss << " oNormal = (cWorldView * vec4(normal,0)).xyz;" << std::endl;
if (permutation & GBufferMaterialGenerator::GBP_NORMAL_MAP)
{
ss << " oTangent = (cWorldView * vec4(tangent,0)).xyz;" << std::endl;
ss << " oBiNormal = cross(oNormal, oTangent);" << std::endl;
}
#ifdef WRITE_LINEAR_DEPTH
ss << " oViewPos = (cWorldView * vertex).xyz;" << std::endl;
#else
ss << " oDepth = gl_Position.w;" << std::endl;
#endif
for (Ogre::uint32 i=0; i<numTexCoords; i++) {
ss << " oUv" << i << " = uv" << i << ';' << std::endl;
}
ss << "}" << std::endl;
Ogre::String programSource = ss.str();
Ogre::String programName = mBaseName + "VP_" + Ogre::StringConverter::toString(permutation);
#if OGRE_DEBUG_MODE
Ogre::LogManager::getSingleton().getDefaultLog()->logMessage(programSource);
#endif
// Create shader object
Ogre::HighLevelGpuProgramPtr ptrProgram;
if(Ogre::GpuProgramManager::getSingleton().isSyntaxSupported("glsles"))
{
ptrProgram = Ogre::HighLevelGpuProgramManager::getSingleton().createProgram(programName,
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"glsles", Ogre::GPT_VERTEX_PROGRAM);
ptrProgram->setParameter("syntax", "glsles");
}
else
{
ptrProgram = Ogre::HighLevelGpuProgramManager::getSingleton().createProgram(programName,
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"glsl", Ogre::GPT_VERTEX_PROGRAM);
}
ptrProgram->setSource(programSource);
const Ogre::GpuProgramParametersSharedPtr& params = ptrProgram->getDefaultParameters();
params->setNamedAutoConstant("cWorldViewProj", Ogre::GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
params->setNamedAutoConstant("cWorldView", Ogre::GpuProgramParameters::ACT_WORLDVIEW_MATRIX);
ptrProgram->load();
return Ogre::GpuProgramPtr(ptrProgram);
}
else
{
