//-----------------------------------------------------------------------------------
void PbsMaterial::createTexturUnits(Pass* pass)
{
GpuProgramParametersSharedPtr fragmentParams = pass->getFragmentProgramParameters();
fragmentParams->setIgnoreMissingParams(true);
// Create the texture unit states
for (int i = 0; i < ST_COUNT; i++)
{
SamplerContainer& s = _samplers[i];
if (s.status == SS_ACTIVE || s.status == SS_ADDED || s.status == SS_UPDATED)
{
s.textureUnitState = pass->createTextureUnitState();
s.textureUnitState->setName("in_map_" + s.name);
s.status = SS_UPDATED;
}
else
{
s.status = SS_NOT_ACTIVE;
}
}
// set the sampler name for the texture unit state
int size = pass->getNumTextureUnitStates();
for (int i = 0; i < size; i++)
{
TextureUnitState* tus = pass->getTextureUnitState(i);
fragmentParams->setNamedConstant(tus->getName(), i);
}
_hasSamplerChanged = true;
}
//---------------------------------------------------------------------
void TerrainMaterialGeneratorC::SM2Profile::ShaderHelper::updateVpParams(
const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params)
{
params->setIgnoreMissingParams(true);
uint maxLayers = prof->getMaxLayers(terrain);
uint numLayers = std::min(maxLayers, static_cast<uint>(terrain->getLayerCount()));
uint numUVMul = numLayers / 4;
if (numLayers % 4)
++numUVMul;
for (uint i = 0; i < numUVMul; ++i)
{
Vector4 uvMul(
terrain->getLayerUVMultiplier(i * 4),
terrain->getLayerUVMultiplier(i * 4 + 1),
terrain->getLayerUVMultiplier(i * 4 + 2),
terrain->getLayerUVMultiplier(i * 4 + 3)
);
params->setNamedConstant("uvMul_" + StringConverter::toString(i), uvMul);
}
if (terrain->_getUseVertexCompression() && tt != RENDER_COMPOSITE_MAP)
{
Real baseUVScale = 1.0f / (terrain->getSize() - 1);
params->setNamedConstant("baseUVScale", baseUVScale);
}
}
void MaterialGenerator::vertexProgramParams(HighLevelGpuProgramPtr program)
{
GpuProgramParametersSharedPtr params = program->getDefaultParameters();
//#ifndef _DEBUG
params->setIgnoreMissingParams(true);
//#endif
if (vpNeedWMat())
params->setNamedAutoConstant("wMat", GpuProgramParameters::ACT_WORLD_MATRIX);
params->setNamedAutoConstant("wvpMat", GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
if (vpNeedWvMat())
params->setNamedAutoConstant("wvMat", GpuProgramParameters::ACT_WORLDVIEW_MATRIX);
if (fpNeedEyeVector() || mShader->wind == 1)
params->setNamedAutoConstant("eyePosition", GpuProgramParameters::ACT_CAMERA_POSITION);
params->setNamedAutoConstant("fogParams", GpuProgramParameters::ACT_FOG_PARAMS);
if (mShader->wind == 2)
params->setNamedConstant("enableWind", Real(1.0));
if(MRTSupported())
{
params->setNamedAutoConstant("far", GpuProgramParameters::ACT_FAR_CLIP_DISTANCE);
}
individualVertexProgramParams(params);
}
/// Populate the passed parameters with name->index map, must be overridden
void populateParameterNames(GpuProgramParametersSharedPtr params)
{
// Skip the normal implementation
// Ensure we don't complain about missing parameter names
params->setIgnoreMissingParams(true);
}
//---------------------------------------------------------------------
void TerrainMaterialGeneratorC::SM2Profile::ShaderHelper::defaultFpParams(
const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog)
{
GpuProgramParametersSharedPtr params = prog->getDefaultParameters();
params->setIgnoreMissingParams(true);
params->setNamedAutoConstant("fogColour", GpuProgramParameters::ACT_FOG_COLOUR);
params->setNamedAutoConstant("cFarDistance", Ogre::GpuProgramParameters::ACT_FAR_CLIP_DISTANCE);
params->setNamedAutoConstant("viewMatrix", GpuProgramParameters::ACT_WORLDVIEW_MATRIX); // tout sauf Z : VIEW_MATRIX
}
//---------------------------------------------------------------------
void TerrainMaterialGeneratorC::SM2Profile::ShaderHelper::updateFpParams(
const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params)
{
params->setIgnoreMissingParams(true);
// TODO - parameterise this?
/*Vector4 scaleBiasSpecular(0.03, -0.04, 32, 1);
params->setNamedConstant("scaleBiasSpecular", scaleBiasSpecular);*/
}
HighLevelGpuProgramPtr ParticleMaterialGenerator::createSoftParticleVertexProgram()
{
HighLevelGpuProgramManager& mgr = HighLevelGpuProgramManager::getSingleton();
std::string progName = mDef->getName() + "_ambient_VP";
HighLevelGpuProgramPtr ret = mgr.getByName(progName);
if (!ret.isNull())
mgr.remove(progName);
ret = mgr.createProgram(progName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"cg", GPT_VERTEX_PROGRAM);
ret->setParameter("profiles", "vs_4_0 vs_1_1 arbvp1");
ret->setParameter("entry_point", "main_vp");
StringUtil::StrStreamType sourceStr;
sourceStr <<
"void main_vp( float4 position : POSITION, \n"
" float4 color : COLOR, \n"
" float2 texCoord : TEXCOORD0, \n"
" out float4 oPosition : POSITION, \n"
" out float4 objectPos : COLOR, \n"
" out float4 oTexCoord : TEXCOORD0, \n"
" out float4 oVertexColour : TEXCOORD1, \n"
" out float4 oScreenPosition : TEXCOORD2, \n"
" out float4 oWorldPosition : TEXCOORD3, \n"
" uniform float enableFog, \n"
" uniform float4 fogParams, \n"
" uniform float4x4 wvpMat, \n"
" uniform float4x4 wMat \n"
") \n"
"{ \n"
" oVertexColour = color; \n"
" oPosition = mul(wvpMat, position); \n"
" oWorldPosition = mul(wMat, position); \n"
" oScreenPosition = oPosition; \n"
" oTexCoord = float4(texCoord.x, texCoord.y, 1, 1); \n"
" objectPos = position; \n"
" objectPos.w = enableFog * saturate(fogParams.x * (oPosition.z - fogParams.y) * fogParams.w); \n"
"} \n";
ret->setSource(sourceStr.str());
ret->load();
// params
GpuProgramParametersSharedPtr params = ret->getDefaultParameters();
params->setIgnoreMissingParams(true);
params->setNamedAutoConstant("wvpMat", GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
params->setNamedAutoConstant("wMat", GpuProgramParameters::ACT_WORLD_MATRIX);
params->setNamedAutoConstant("fogParams", GpuProgramParameters::ACT_FOG_PARAMS);
params->setNamedConstant("enableFog", mDef->mProps->fog ? Real(1.0) : Real(0.0));
return ret;
}
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 MaterialFactory::setWind(bool wind)
{
for (std::vector<std::string>::iterator it=windMtrs.begin();
it != windMtrs.end(); ++it)
{
MaterialPtr mat = MaterialManager::getSingleton().getByName( (*it) );
if (mat->getTechnique(0)->getPass(0)->hasVertexProgram())
{
GpuProgramParametersSharedPtr vparams = mat->getTechnique(0)->getPass(0)->getVertexProgramParameters();
vparams->setIgnoreMissingParams(true);
vparams->setNamedConstant("enableWind", wind ? Real(1.0) : Real(0.0));
}
}
}
void MaterialGenerator::individualVertexProgramParams(GpuProgramParametersSharedPtr params)
{
//#ifndef _DEBUG
params->setIgnoreMissingParams(true);
//#endif
if (needShadows())
for (int i=0; i<mParent->getNumShadowTex(); ++i)
{
params->setNamedAutoConstant("texWorldViewProjMatrix"+toStr(i), GpuProgramParameters::ACT_TEXTURE_WORLDVIEWPROJ_MATRIX, i);
}
params->setNamedConstant("enableFog", mDef->mProps->fog ? Real(1.0) : Real(0.0));
}
//-----------------------------------------------------------------------
GpuProgramParametersSharedPtr UnifiedHighLevelGpuProgram::createParameters(void)
{
if (isSupported())
{
return _getDelegate()->createParameters();
}
else
{
// return a default set
GpuProgramParametersSharedPtr params = GpuProgramManager::getSingleton().createParameters();
// avoid any errors on parameter names that don't exist
params->setIgnoreMissingParams(true);
return 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);
}
//-----------------------------------------------------------------------------
void GLSLESProgramProcessor::bindTextureSamplers(Program* pCpuProgram, GpuProgramPtr pGpuProgram)
{
GpuProgramParametersSharedPtr pGpuParams = pGpuProgram->getDefaultParameters();
const UniformParameterList& progParams = pCpuProgram->getParameters();
UniformParameterConstIterator itParams;
// Bind the samplers.
for (itParams = progParams.begin(); itParams != progParams.end(); ++itParams)
{
const UniformParameterPtr pCurParam = *itParams;
if (pCurParam->isSampler())
{
// The optimizer may remove some unnecessary parameters, so we should ignore them
pGpuParams->setIgnoreMissingParams(true);
pGpuParams->setNamedConstant(pCurParam->getName(), pCurParam->getIndex());
}
}
}
//-------------------------------------------------------------------------------------------------------
// utility
//-------------------------------------------------------------------------------------------------------
void CarModel::UpdateLightMap()
{
MaterialPtr mtr;
for (int i=0; i < NumMaterials; ++i)
{
mtr = MaterialManager::getSingleton().getByName(sMtr[i]);
if (!mtr.isNull())
{ Material::TechniqueIterator techIt = mtr->getTechniqueIterator();
while (techIt.hasMoreElements())
{ Technique* tech = techIt.getNext();
Technique::PassIterator passIt = tech->getPassIterator();
while (passIt.hasMoreElements())
{ Pass* pass = passIt.getNext();
if (pass->hasFragmentProgram())
{
GpuProgramParametersSharedPtr params = pass->getFragmentProgramParameters();
params->setIgnoreMissingParams(true); // don't throw exception if material doesnt use lightmap
params->setNamedConstant("enableTerrainLightMap", bLightMapEnabled ? 1.f : 0.f);
} } } } }
}
//---------------------------------------------------------------------
void TerrainMaterialGeneratorA::SM2Profile::ShaderHelper::defaultVpParams(
const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog)
{
GpuProgramParametersSharedPtr params = prog->getDefaultParameters();
params->setIgnoreMissingParams(true);
params->setNamedAutoConstant("worldMatrix", GpuProgramParameters::ACT_WORLD_MATRIX);
params->setNamedAutoConstant("viewProjMatrix", GpuProgramParameters::ACT_VIEWPROJ_MATRIX);
params->setNamedAutoConstant("lodMorph", GpuProgramParameters::ACT_CUSTOM,
Terrain::LOD_MORPH_CUSTOM_PARAM);
params->setNamedAutoConstant("fogParams", GpuProgramParameters::ACT_FOG_PARAMS);
if (prof->isShadowingEnabled(tt, terrain))
{
uint numTextures = 1;
if (prof->getReceiveDynamicShadowsPSSM())
{
numTextures = (uint)prof->getReceiveDynamicShadowsPSSM()->getSplitCount();
}
for (uint i = 0; i < numTextures; ++i)
{
params->setNamedAutoConstant("texViewProjMatrix" + StringConverter::toString(i),
GpuProgramParameters::ACT_TEXTURE_VIEWPROJ_MATRIX, i);
if (prof->getReceiveDynamicShadowsDepth())
{
params->setNamedAutoConstant("depthRange" + StringConverter::toString(i),
GpuProgramParameters::ACT_SHADOW_SCENE_DEPTH_RANGE, i);
}
}
}
if (terrain->_getUseVertexCompression() && tt != RENDER_COMPOSITE_MAP)
{
Matrix4 posIndexToObjectSpace;
terrain->getPointTransform(&posIndexToObjectSpace);
params->setNamedConstant("posIndexToObjectSpace", posIndexToObjectSpace);
}
}
//---------------------------------------------------------------------
void TerrainMaterialGeneratorC::SM2Profile::ShaderHelper::defaultVpParams(
const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog)
{
GpuProgramParametersSharedPtr params = prog->getDefaultParameters();
params->setIgnoreMissingParams(true);
params->setNamedAutoConstant("worldMatrix", GpuProgramParameters::ACT_WORLD_MATRIX);
params->setNamedAutoConstant("viewMatrix", GpuProgramParameters::ACT_WORLDVIEW_MATRIX);
params->setNamedAutoConstant("viewProjMatrix", GpuProgramParameters::ACT_VIEWPROJ_MATRIX);
params->setNamedAutoConstant("lodMorph", GpuProgramParameters::ACT_CUSTOM,
Terrain::LOD_MORPH_CUSTOM_PARAM);
params->setNamedAutoConstant("fogParams", GpuProgramParameters::ACT_FOG_PARAMS);
if (terrain->_getUseVertexCompression() && tt != RENDER_COMPOSITE_MAP)
{
Matrix4 posIndexToObjectSpace;
terrain->getPointTransform(&posIndexToObjectSpace);
params->setNamedConstant("posIndexToObjectSpace", posIndexToObjectSpace);
}
}
void BatchPage::_updateShaders()
{
if (!shadersSupported)
return;
uint32 i = 0;
BatchedGeometry::SubBatchIterator it = batch->getSubBatchIterator();
while (it.hasMoreElements()){
BatchedGeometry::SubBatch *subBatch = it.getNext();
MaterialPtr mat = unfadedMaterials[i++];
//Check if lighting should be enabled
bool lightingEnabled = false;
for (unsigned short t = 0; t < mat->getNumTechniques(); ++t){
Technique *tech = mat->getTechnique(t);
for (unsigned short p = 0; p < tech->getNumPasses(); ++p){
Pass *pass = tech->getPass(p);
if (pass->getLightingEnabled()) {
lightingEnabled = true;
break;
}
}
if (lightingEnabled)
break;
}
//Compile the CG shader script based on various material / fade options
StringUtil::StrStreamType tmpName;
tmpName << "BatchPage_";
if (fadeEnabled)
tmpName << "fade_";
if (lightingEnabled)
tmpName << "lit_";
if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
tmpName << "clr_";
for (unsigned short i = 0; i < subBatch->vertexData->vertexDeclaration->getElementCount(); ++i)
{
const VertexElement *el = subBatch->vertexData->vertexDeclaration->getElement(i);
if (el->getSemantic() == VES_TEXTURE_COORDINATES) {
String uvType = "";
switch (el->getType()) {
case VET_FLOAT1: uvType = "1"; break;
case VET_FLOAT2: uvType = "2"; break;
case VET_FLOAT3: uvType = "3"; break;
case VET_FLOAT4: uvType = "4"; break;
}
tmpName << uvType << '_';
}
}
tmpName << "vp";
const String vertexProgName = tmpName.str();
String shaderLanguage = ShaderHelper::getShaderLanguage();
//If the shader hasn't been created yet, create it
if (HighLevelGpuProgramManager::getSingleton().getByName(vertexProgName).isNull())
{
Pass *pass = mat->getTechnique(0)->getPass(0);
String vertexProgSource;
if(!shaderLanguage.compare("hlsl") || !shaderLanguage.compare("cg"))
{
vertexProgSource =
"void main( \n"
" float4 iPosition : POSITION, \n"
" float3 normal : NORMAL, \n"
" out float4 oPosition : POSITION, \n";
if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL) vertexProgSource +=
" float4 iColor : COLOR, \n";
unsigned texNum = 0;
for (unsigned short i = 0; i < subBatch->vertexData->vertexDeclaration->getElementCount(); ++i) {
const VertexElement *el = subBatch->vertexData->vertexDeclaration->getElement(i);
if (el->getSemantic() == VES_TEXTURE_COORDINATES) {
String uvType = "";
switch (el->getType()) {
case VET_FLOAT1: uvType = "float"; break;
case VET_FLOAT2: uvType = "float2"; break;
case VET_FLOAT3: uvType = "float3"; break;
case VET_FLOAT4: uvType = "float4"; break;
}
vertexProgSource +=
" " + uvType + " iUV" + StringConverter::toString(texNum) + " : TEXCOORD" + StringConverter::toString(texNum) + ", \n"
" out " + uvType + " oUV" + StringConverter::toString(texNum) + " : TEXCOORD" + StringConverter::toString(texNum) + ", \n";
++texNum;
}
}
vertexProgSource +=
" out float oFog : FOG, \n"
" out float4 oColor : COLOR, \n"
" uniform float4 iFogParams, \n";
if (lightingEnabled) vertexProgSource +=
" uniform float4 objSpaceLight, \n"
" uniform float4 lightDiffuse, \n"
" uniform float4 lightAmbient, \n";
if (fadeEnabled) vertexProgSource +=
" uniform float3 camPos, \n";
vertexProgSource +=
" uniform float4x4 worldViewProj, \n"
" uniform float fadeGap, \n"
" uniform float invisibleDist )\n"
"{ \n";
if (lightingEnabled) {
//Perform lighting calculations (no specular)
vertexProgSource +=
" float3 light = normalize(objSpaceLight.xyz - (iPosition.xyz * objSpaceLight.w)); \n"
" float diffuseFactor = max(dot(normal, light), 0); \n";
if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
vertexProgSource += "oColor = (lightAmbient + diffuseFactor * lightDiffuse) * iColor; \n";
else
vertexProgSource += "oColor = (lightAmbient + diffuseFactor * lightDiffuse); \n";
} else {
if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
vertexProgSource += "oColor = iColor; \n";
else
vertexProgSource += "oColor = float4(1, 1, 1, 1); \n";
}
if (fadeEnabled) vertexProgSource +=
//Fade out in the distance
" float dist = distance(camPos.xz, iPosition.xz); \n"
" oColor.a *= (invisibleDist - dist) / fadeGap; \n";
texNum = 0;
for (unsigned short i = 0; i < subBatch->vertexData->vertexDeclaration->getElementCount(); ++i) {
const VertexElement *el = subBatch->vertexData->vertexDeclaration->getElement(i);
if (el->getSemantic() == VES_TEXTURE_COORDINATES) {
vertexProgSource +=
" oUV" + StringConverter::toString(texNum) + " = iUV" + StringConverter::toString(texNum) + "; \n";
++texNum;
}
}
vertexProgSource +=
" oPosition = mul(worldViewProj, iPosition); \n";
if (sceneMgr->getFogMode() == Ogre::FOG_EXP2) {
vertexProgSource +=
" oFog = 1 - clamp (pow (2.71828, -oPosition.z * iFogParams.x), 0, 1); \n";
} else {
vertexProgSource +=
" oFog = oPosition.z; \n";
}
vertexProgSource += "}";
}
if(!shaderLanguage.compare("glsl"))
{
vertexProgSource =
"uniform float fadeGap; \n"
"uniform float invisibleDist; \n";
if (lightingEnabled) vertexProgSource +=
"uniform vec4 objSpaceLight; \n"
"uniform vec4 lightDiffuse; \n"
"uniform vec4 lightAmbient; \n";
if (fadeEnabled) vertexProgSource +=
"uniform vec3 camPos; \n";
vertexProgSource +=
"void main() \n"
"{ \n";
if (lightingEnabled)
{
//Perform lighting calculations (no specular)
vertexProgSource +=
" vec3 light = normalize(objSpaceLight.xyz - (gl_Vertex.xyz * objSpaceLight.w)); \n"
" float diffuseFactor = max(dot(gl_Normal, light), 0.0); \n";
if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
{
vertexProgSource += " gl_FrontColor = (lightAmbient + diffuseFactor * lightDiffuse) * gl_Color; \n";
}
else
{
vertexProgSource += " gl_FrontColor = (lightAmbient + diffuseFactor * lightDiffuse); \n";
}
}
else
{
if (subBatch->vertexData->vertexDeclaration->findElementBySemantic(VES_DIFFUSE) != NULL)
{
vertexProgSource += " gl_FrontColor = gl_Color; \n";
}
else
{
vertexProgSource += " gl_FrontColor = vec4(1.0, 1.0, 1.0, 1.0); \n";
}
}
if (fadeEnabled)
{
vertexProgSource +=
//Fade out in the distance
" float dist = distance(camPos.xz, gl_Vertex.xz); \n"
" gl_FrontColor.a *= (invisibleDist - dist) / fadeGap; \n";
}
unsigned texNum = 0;
for (unsigned short i = 0; i < subBatch->vertexData->vertexDeclaration->getElementCount(); ++i)
{
const VertexElement *el = subBatch->vertexData->vertexDeclaration->getElement(i);
if (el->getSemantic() == VES_TEXTURE_COORDINATES)
{
vertexProgSource +=
" gl_TexCoord[" + StringConverter::toString(texNum) + "] = gl_MultiTexCoord" + StringConverter::toString(texNum) + "; \n";
++texNum;
}
}
vertexProgSource +=
" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; \n";
if (sceneMgr->getFogMode() == Ogre::FOG_EXP2) {
vertexProgSource +=
" gl_FogFragCoord = clamp(exp(- gl_Fog.density * gl_Fog.density * gl_Position.z * gl_Position.z), 0.0, 1.0); \n";
} else {
vertexProgSource +=
" gl_FogFragCoord = gl_Position.z; \n";
}
vertexProgSource += "}";
}
HighLevelGpuProgramPtr vertexShader = HighLevelGpuProgramManager::getSingleton().createProgram(
vertexProgName,
ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
shaderLanguage, GPT_VERTEX_PROGRAM);
vertexShader->setSource(vertexProgSource);
if (shaderLanguage == "hlsl")
{
vertexShader->setParameter("target", "vs_1_1");
vertexShader->setParameter("entry_point", "main");
}
else if(shaderLanguage == "cg")
{
vertexShader->setParameter("profiles", "vs_1_1 arbvp1");
vertexShader->setParameter("entry_point", "main");
}
// GLSL can only have one entry point "main".
vertexShader->load();
if (vertexShader->hasCompileError()) {
OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Error loading the batching vertex shader.", "BatchPage::_updateShaders()");
}
}
std::string fragmentProgramName("BatchFragStandard");
String fragmentProgSource;
//We also need a fragment program to go with our vertex program. Especially on ATI cards on Linux where we can't mix shaders and the fixed function pipeline.
HighLevelGpuProgramPtr fragShader = static_cast<HighLevelGpuProgramPtr>(HighLevelGpuProgramManager::getSingleton().getByName(fragmentProgramName));
if (fragShader.isNull()){
Pass *pass = mat->getTechnique(0)->getPass(0);
if (shaderLanguage == "glsl") {
fragmentProgSource = "uniform sampler2D diffuseMap;\n"
"void main() {"
" gl_FragColor = texture2D(diffuseMap, gl_TexCoord[0].st);"
" gl_FragColor.rgb = mix(gl_Fog.color, (gl_LightModel.ambient * gl_FragColor + gl_FragColor), gl_FogFragCoord).rgb;"
"}";
} else {
fragmentProgSource = "void main \n"
"( \n"
" float2 iTexcoord : TEXCOORD0, \n"
" float iFog : FOG, \n"
" out float4 oColour : COLOR, \n"
" uniform sampler2D diffuseTexture : TEXUNIT0, \n"
" uniform float3 iFogColour \n"
") \n"
"{ \n"
" oColour = tex2D(diffuseTexture, iTexcoord.xy); \n"
" oColour.xyz = lerp(oColour.xyz, iFogColour, iFog);\n"
"}";
}
fragShader = HighLevelGpuProgramManager::getSingleton().createProgram(
fragmentProgramName,
ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
shaderLanguage, GPT_FRAGMENT_PROGRAM);
fragShader->setSource(fragmentProgSource);
if (shaderLanguage == "hlsl") {
fragShader->setParameter("entry_point", "main");
fragShader->setParameter("target", "ps_2_0");
} else if (shaderLanguage == "cg") {
fragShader->setParameter("profiles", "ps_2_0 arbfp1");
fragShader->setParameter("entry_point", "main");
}
fragShader->load();
if (fragShader->hasCompileError()) {
OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Error loading the batching fragment shader.", "BatchPage::_updateShaders()");
}
}
//Now that the shader is ready to be applied, apply it
StringUtil::StrStreamType materialSignature;
materialSignature << "BatchMat|";
materialSignature << mat->getName() << "|";
if (fadeEnabled){
materialSignature << visibleDist << "|";
materialSignature << invisibleDist << "|";
}
//Search for the desired material
MaterialPtr generatedMaterial = MaterialManager::getSingleton().getByName(materialSignature.str());
if (generatedMaterial.isNull()){
//Clone the material
generatedMaterial = mat->clone(materialSignature.str());
//And apply the fade shader
Ogre::Material::TechniqueIterator I = generatedMaterial->getSupportedTechniqueIterator();
while (I.hasMoreElements()) {
Technique *tech = I.getNext();
for (unsigned short p = 0; p < tech->getNumPasses(); ++p){
Pass *pass = tech->getPass(p);
//Setup vertex program
if (pass->getVertexProgramName() == "")
pass->setVertexProgram(vertexProgName);
if (pass->getFragmentProgramName() == "" && fragShader->isSupported())
pass->setFragmentProgram(fragmentProgramName);
try{
GpuProgramParametersSharedPtr params = pass->getVertexProgramParameters();
params->setIgnoreMissingParams(true);
if (lightingEnabled) {
params->setNamedAutoConstant("objSpaceLight", GpuProgramParameters::ACT_LIGHT_POSITION_OBJECT_SPACE);
params->setNamedAutoConstant("lightDiffuse", GpuProgramParameters::ACT_DERIVED_LIGHT_DIFFUSE_COLOUR);
params->setNamedAutoConstant("lightAmbient", GpuProgramParameters::ACT_DERIVED_AMBIENT_LIGHT_COLOUR);
//params->setNamedAutoConstant("matAmbient", GpuProgramParameters::ACT_SURFACE_AMBIENT_COLOUR);
}
if (shaderLanguage.compare("glsl") == 0) {
//glsl can use the built in gl_ModelViewProjectionMatrix
params->setNamedAutoConstant("worldViewProj", GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
} else {
params->setNamedAutoConstant("iFogParams", GpuProgramParameters::ACT_FOG_PARAMS);
}
if (fadeEnabled)
{
params->setNamedAutoConstant("camPos", GpuProgramParameters::ACT_CAMERA_POSITION_OBJECT_SPACE);
//Set fade ranges
params->setNamedAutoConstant("invisibleDist", GpuProgramParameters::ACT_CUSTOM);
params->setNamedConstant("invisibleDist", invisibleDist);
params->setNamedAutoConstant("fadeGap", GpuProgramParameters::ACT_CUSTOM);
params->setNamedConstant("fadeGap", invisibleDist - visibleDist);
if (pass->getAlphaRejectFunction() == CMPF_ALWAYS_PASS)
pass->setSceneBlending(SBT_TRANSPARENT_ALPHA);
}
if (pass->hasFragmentProgram()) {
params = pass->getFragmentProgramParameters();
params->setIgnoreMissingParams(true);
params->setNamedAutoConstant("iFogColour", GpuProgramParameters::ACT_FOG_COLOUR);
}
}
catch (...) {
OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Error configuring batched geometry transitions. If you're using materials with custom vertex shaders, they will need to implement fade transitions to be compatible with BatchPage.", "BatchPage::_updateShaders()");
}
}
}
}
//Apply the material
subBatch->setMaterial(generatedMaterial);
}
}
//-----------------------------------------------------------------------------------
void PbsMaterial::updateUniforms(const Pass* pass, const AutoParamDataSource* source, const LightList* pLightList)
{
// Vertex program
GpuProgramParametersSharedPtr vertexParams = pass->getVertexProgramParameters();
vertexParams->setIgnoreMissingParams(true);
vertexParams->setNamedAutoConstant("mvpMat", GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
vertexParams->setNamedAutoConstant("mvMat", GpuProgramParameters::ACT_WORLDVIEW_MATRIX);
// Fragment program
GpuProgramParametersSharedPtr fragmentParams = pass->getFragmentProgramParameters();
fragmentParams->setNamedAutoConstant("ivMat", GpuProgramParameters::ACT_INVERSE_VIEW_MATRIX);
fragmentParams->setNamedConstant("in_albedo", mAlbedo);
fragmentParams->setNamedConstant("in_f0", mF0);
fragmentParams->setNamedConstant("in_roughness", mRoughness);
fragmentParams->setNamedConstant("in_light_roughness_offset", mLightRoughnessOffset);
fragmentParams->setNamedConstant("in_offset_main", mMainOffset);
fragmentParams->setNamedConstant("in_scale_main", mMainScale);
fragmentParams->setNamedConstant("in_offset_d1", mD1Offset);
fragmentParams->setNamedConstant("in_scale_d1", mD1Scale);
fragmentParams->setNamedConstant("in_offset_d2", mD2Offset);
fragmentParams->setNamedConstant("in_scale_d2", mD2Scale);
// Set light uniforms
unsigned int count = std::min(mDirectionalLightCount + mPointLightCount + mSpotLightCount, maxLightCount);
if (count)
{
Matrix4 viewMatrix = source->getViewMatrix();
Quaternion viewMatrixQuat = viewMatrix.extractQuaternion();
int directionalLightIndex = 0;
int pointLightLightIndex = 0;
int spotLightIndex = 0;
for (unsigned int i = 0; i < count; i++)
{
Light* light = (*pLightList)[i];
int index;
if (light->getType() == Light::LT_DIRECTIONAL)
{
index = directionalLightIndex;
directionalLightIndex++;
}
else if (light->getType() == Light::LT_POINT)
{
index = mDirectionalLightCount + pointLightLightIndex;
pointLightLightIndex++;
}
else
{
index = mDirectionalLightCount + mPointLightCount + spotLightIndex;
spotLightIndex++;
}
Vector3 pos = viewMatrix * light->getDerivedPosition();
mLightPositions_es[index * 4 + 0] = pos.x;
mLightPositions_es[index * 4 + 1] = pos.y;
mLightPositions_es[index * 4 + 2] = pos.z;
Vector3 dir = -(viewMatrixQuat * light->getDerivedDirection()).normalisedCopy();
mLightDirections_es[index * 4 + 0] = dir.x;
mLightDirections_es[index * 4 + 1] = dir.y;
mLightDirections_es[index * 4 + 2] = dir.z;
ColourValue color = light->getDiffuseColour();
mLightColors[index * 4 + 0] = color.r;
mLightColors[index* 4 + 1] = color.g;
mLightColors[index* 4 + 2] = color.b;
mLightParameters[index * 4 + 0] = light->getAttenuationRange();
mLightParameters[index * 4 + 1] = Math::Cos(light->getSpotlightOuterAngle() / 2.0);
mLightParameters[index * 4 + 2] = light->getSpotlightFalloff();
}
fragmentParams->setNamedConstant("lightPositions_es", &(mLightPositions_es[0]), count);
fragmentParams->setNamedConstant("lightDirections_es", &(mLightDirections_es[0]), count);
fragmentParams->setNamedConstant("lightColors", &(mLightColors[0]), count);
fragmentParams->setNamedConstant("lightParameters", &(mLightParameters[0]), count);
}
// update the textures
if (_hasSamplerChanged)
{
for (int i = 0; i < ST_COUNT; i++)
{
SamplerContainer& s = _samplers[i];
if (s.status == SS_UPDATED)
{
updateTexturUnits(s.textureUnitState, fragmentParams, s, i);
s.status = SS_ACTIVE;
}
}
_hasSamplerChanged = false;
}
}
//---------------------------------------------------------------------
void TerrainMaterialGeneratorA::SM2Profile::ShaderHelper::defaultFpParams(
const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog)
{
GpuProgramParametersSharedPtr params = prog->getDefaultParameters();
params->setIgnoreMissingParams(true);
params->setNamedAutoConstant("ambient", GpuProgramParameters::ACT_AMBIENT_LIGHT_COLOUR);
params->setNamedAutoConstant("lightPosObjSpace", GpuProgramParameters::ACT_LIGHT_POSITION_OBJECT_SPACE, 0);
params->setNamedAutoConstant("lightDiffuseColour", GpuProgramParameters::ACT_LIGHT_DIFFUSE_COLOUR, 0);
params->setNamedAutoConstant("lightSpecularColour", GpuProgramParameters::ACT_LIGHT_SPECULAR_COLOUR, 0);
params->setNamedAutoConstant("eyePosObjSpace", GpuProgramParameters::ACT_CAMERA_POSITION_OBJECT_SPACE);
params->setNamedAutoConstant("fogColour", GpuProgramParameters::ACT_FOG_COLOUR);
if (prof->isShadowingEnabled(tt, terrain))
{
uint numTextures = 1;
if (prof->getReceiveDynamicShadowsPSSM())
{
PSSMShadowCameraSetup* pssm = prof->getReceiveDynamicShadowsPSSM();
numTextures = (uint)pssm->getSplitCount();
Vector4 splitPoints;
const PSSMShadowCameraSetup::SplitPointList& splitPointList = pssm->getSplitPoints();
// Populate from split point 1, not 0, since split 0 isn't useful (usually 0)
for (uint i = 1; i < numTextures; ++i)
{
splitPoints[i-1] = splitPointList[i];
}
params->setNamedConstant("pssmSplitPoints", splitPoints);
}
if (prof->getReceiveDynamicShadowsDepth())
{
size_t samplerOffset = (tt == HIGH_LOD) ? mShadowSamplerStartHi : mShadowSamplerStartLo;
for (uint i = 0; i < numTextures; ++i)
{
params->setNamedAutoConstant("inverseShadowmapSize" + StringConverter::toString(i),
GpuProgramParameters::ACT_INVERSE_TEXTURE_SIZE, i + samplerOffset);
}
}
}
// Explicitly bind samplers for GLSL
if ((prof->_getShaderLanguage() == "glsl") || (prof->_getShaderLanguage() == "glsles"))
{
int numSamplers = 0;
if (tt == LOW_LOD)
{
params->setNamedConstant("compositeMap", (int)numSamplers++);
}
else
{
params->setNamedConstant("globalNormal", (int)numSamplers++);
if (terrain->getGlobalColourMapEnabled() && prof->isGlobalColourMapEnabled())
{
params->setNamedConstant("globalColourMap", (int)numSamplers++);
}
if (prof->isLightmapEnabled())
{
params->setNamedConstant("lightMap", (int)numSamplers++);
}
uint maxLayers = prof->getMaxLayers(terrain);
uint numBlendTextures = std::min(terrain->getBlendTextureCount(maxLayers), terrain->getBlendTextureCount());
uint numLayers = std::min(maxLayers, static_cast<uint>(terrain->getLayerCount()));
// Blend textures - sampler definitions
for (uint i = 0; i < numBlendTextures; ++i)
{
params->setNamedConstant("blendTex" + StringConverter::toString(i), (int)numSamplers++);
}
// Layer textures - sampler definitions & UV multipliers
for (uint i = 0; i < numLayers; ++i)
{
params->setNamedConstant("difftex" + StringConverter::toString(i), (int)numSamplers++);
params->setNamedConstant("normtex" + StringConverter::toString(i), (int)numSamplers++);
}
uint numShadowTextures = 1;
if (prof->getReceiveDynamicShadowsPSSM())
numShadowTextures = (uint)prof->getReceiveDynamicShadowsPSSM()->getSplitCount();
for (uint i = 0; i < numShadowTextures; ++i)
{
if (prof->isShadowingEnabled(tt, terrain))
params->setNamedConstant("shadowMap" + StringConverter::toString(i), (int)numSamplers++);
}
}
}
}
