void GLSLSeparableProgram::updateAtomicCounters(GpuProgramParametersSharedPtr params,
uint16 mask, GpuProgramType fromProgType)
{
// Iterate through the list of atomic counter buffers and update them as needed
// GLAtomicBufferIterator currentBuffer = mGLAtomicBufferReferences.begin();
// GLAtomicBufferIterator endBuffer = mGLAtomicBufferReferences.end();
GLAtomicCounterReferenceIterator currentAtomicCounter = mGLAtomicCounterReferences.begin();
GLAtomicCounterReferenceIterator endAtomicCounter = mGLAtomicCounterReferences.end();
for (; currentAtomicCounter != endAtomicCounter; ++currentAtomicCounter)
{
if (fromProgType == currentAtomicCounter->mSourceProgType)
{
const GpuConstantDefinition* def = currentAtomicCounter->mConstantDef;
if (def->variability & mask)
{
GLsizei glArraySize = (GLsizei)def->arraySize;
// Get the index in the parameter real list
//switch (def->constType)
GLuint glBinding = currentAtomicCounter->mBinding;
GLuint glOffset = currentAtomicCounter->mOffset;
// Get the buffer this atomic counter belongs to.
//TODO exception handling
HardwareCounterBufferSharedPtr atomic_buffer = mGLCounterBufferReferences[glBinding];
// Update the value.
atomic_buffer->writeData(glOffset, sizeof(GLuint) * glArraySize, params->getUnsignedIntPointer(def->physicalIndex));
}
}
}
// GpuProgramParameters::GpuSharedParamUsageList::const_iterator it, end = sharedParams.end();
// for (it = sharedParams.begin(); it != end; ++it)
// {
// for (;currentBuffer != endBuffer; ++currentBuffer)
// {
// GL3PlusHardwareUniformBuffer* hwGlBuffer = static_cast<GL3PlusHardwareUniformBuffer*>(currentBuffer->get());
// GpuSharedParametersPtr paramsPtr = it->getSharedParams();
// // Block name is stored in mSharedParams->mName of GpuSharedParamUsageList items
// GLint UniformTransform;
// OGRE_CHECK_GL_ERROR(UniformTransform = glGetUniformBlockIndex(mGLProgramHandle, it->getName().c_str()));
// OGRE_CHECK_GL_ERROR(glUniformBlockBinding(mGLProgramHandle, UniformTransform, hwGlBuffer->getGLBufferBinding()));
// hwGlBuffer->writeData(0, hwGlBuffer->getSizeInBytes(), ¶msPtr->getFloatConstantList().front());
// }
// }
}
void GLSLSeparableProgram::updateUniforms(GpuProgramParametersSharedPtr params,
uint16 mask, GpuProgramType fromProgType)
{
// Iterate through uniform reference list and update uniform values
GLUniformReferenceIterator currentUniform = mGLUniformReferences.begin();
GLUniformReferenceIterator endUniform = mGLUniformReferences.end();
// determine if we need to transpose matrices when binding
int transpose = GL_TRUE;
if ((fromProgType == GPT_FRAGMENT_PROGRAM && mVertexShader && (!mVertexShader->getColumnMajorMatrices())) ||
(fromProgType == GPT_VERTEX_PROGRAM && mFragmentShader && (!mFragmentShader->getColumnMajorMatrices())) ||
(fromProgType == GPT_GEOMETRY_PROGRAM && mGeometryShader && (!mGeometryShader->getColumnMajorMatrices())) ||
(fromProgType == GPT_HULL_PROGRAM && mHullShader && (!mHullShader->getColumnMajorMatrices())) ||
(fromProgType == GPT_DOMAIN_PROGRAM && mDomainShader && (!mDomainShader->getColumnMajorMatrices())) ||
(fromProgType == GPT_COMPUTE_PROGRAM && mComputeShader && (!mComputeShader->getColumnMajorMatrices())))
{
transpose = GL_FALSE;
}
GLuint progID = 0;
if (fromProgType == GPT_VERTEX_PROGRAM)
{
progID = mVertexShader->getGLProgramHandle();
}
else if (fromProgType == GPT_FRAGMENT_PROGRAM)
{
progID = mFragmentShader->getGLProgramHandle();
}
else if (fromProgType == GPT_GEOMETRY_PROGRAM)
{
progID = mGeometryShader->getGLProgramHandle();
}
else if (fromProgType == GPT_HULL_PROGRAM)
{
progID = mHullShader->getGLProgramHandle();
}
else if (fromProgType == GPT_DOMAIN_PROGRAM)
{
progID = mDomainShader->getGLProgramHandle();
}
else if (fromProgType == GPT_COMPUTE_PROGRAM)
{
progID = mComputeShader->getGLProgramHandle();
}
for (; currentUniform != endUniform; ++currentUniform)
{
// Only pull values from buffer it's supposed to be in (vertex or fragment)
// This method will be called once per shader stage.
if (fromProgType == currentUniform->mSourceProgType)
{
const GpuConstantDefinition* def = currentUniform->mConstantDef;
if (def->variability & mask)
{
GLsizei glArraySize = (GLsizei)def->arraySize;
// Get the index in the parameter real list
switch (def->constType)
{
case GCT_FLOAT1:
OGRE_CHECK_GL_ERROR(glProgramUniform1fv(progID, currentUniform->mLocation, glArraySize,
params->getFloatPointer(def->physicalIndex)));
break;
case GCT_FLOAT2:
OGRE_CHECK_GL_ERROR(glProgramUniform2fv(progID, currentUniform->mLocation, glArraySize,
params->getFloatPointer(def->physicalIndex)));
break;
case GCT_FLOAT3:
OGRE_CHECK_GL_ERROR(glProgramUniform3fv(progID, currentUniform->mLocation, glArraySize,
params->getFloatPointer(def->physicalIndex)));
break;
case GCT_FLOAT4:
OGRE_CHECK_GL_ERROR(glProgramUniform4fv(progID, currentUniform->mLocation, glArraySize,
params->getFloatPointer(def->physicalIndex)));
break;
case GCT_MATRIX_2X2:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix2fv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getFloatPointer(def->physicalIndex)));
break;
case GCT_MATRIX_3X3:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix3fv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getFloatPointer(def->physicalIndex)));
break;
case GCT_MATRIX_4X4:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix4fv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getFloatPointer(def->physicalIndex)));
break;
case GCT_INT1:
OGRE_CHECK_GL_ERROR(glProgramUniform1iv(progID, currentUniform->mLocation, glArraySize,
params->getIntPointer(def->physicalIndex)));
break;
case GCT_INT2:
OGRE_CHECK_GL_ERROR(glProgramUniform2iv(progID, currentUniform->mLocation, glArraySize,
params->getIntPointer(def->physicalIndex)));
break;
case GCT_INT3:
OGRE_CHECK_GL_ERROR(glProgramUniform3iv(progID, currentUniform->mLocation, glArraySize,
params->getIntPointer(def->physicalIndex)));
break;
case GCT_INT4:
OGRE_CHECK_GL_ERROR(glProgramUniform4iv(progID, currentUniform->mLocation, glArraySize,
params->getIntPointer(def->physicalIndex)));
break;
case GCT_MATRIX_2X3:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix2x3fv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getFloatPointer(def->physicalIndex)));
break;
case GCT_MATRIX_2X4:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix2x4fv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getFloatPointer(def->physicalIndex)));
break;
case GCT_MATRIX_3X2:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix3x2fv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getFloatPointer(def->physicalIndex)));
break;
case GCT_MATRIX_3X4:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix3x4fv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getFloatPointer(def->physicalIndex)));
break;
case GCT_MATRIX_4X2:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix4x2fv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getFloatPointer(def->physicalIndex)));
break;
case GCT_MATRIX_4X3:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix4x3fv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getFloatPointer(def->physicalIndex)));
break;
case GCT_DOUBLE1:
OGRE_CHECK_GL_ERROR(glProgramUniform1dv(progID, currentUniform->mLocation, glArraySize,
params->getDoublePointer(def->physicalIndex)));
break;
case GCT_DOUBLE2:
OGRE_CHECK_GL_ERROR(glProgramUniform2dv(progID, currentUniform->mLocation, glArraySize,
params->getDoublePointer(def->physicalIndex)));
break;
case GCT_DOUBLE3:
OGRE_CHECK_GL_ERROR(glProgramUniform3dv(progID, currentUniform->mLocation, glArraySize,
params->getDoublePointer(def->physicalIndex)));
break;
case GCT_DOUBLE4:
OGRE_CHECK_GL_ERROR(glProgramUniform4dv(progID, currentUniform->mLocation, glArraySize,
params->getDoublePointer(def->physicalIndex)));
break;
case GCT_MATRIX_DOUBLE_2X2:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix2dv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getDoublePointer(def->physicalIndex)));
break;
case GCT_MATRIX_DOUBLE_3X3:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix3dv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getDoublePointer(def->physicalIndex)));
break;
case GCT_MATRIX_DOUBLE_4X4:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix4dv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getDoublePointer(def->physicalIndex)));
break;
case GCT_MATRIX_DOUBLE_2X3:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix2x3dv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getDoublePointer(def->physicalIndex)));
break;
case GCT_MATRIX_DOUBLE_2X4:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix2x4dv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getDoublePointer(def->physicalIndex)));
break;
case GCT_MATRIX_DOUBLE_3X2:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix3x2dv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getDoublePointer(def->physicalIndex)));
break;
case GCT_MATRIX_DOUBLE_3X4:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix3x4dv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getDoublePointer(def->physicalIndex)));
break;
case GCT_MATRIX_DOUBLE_4X2:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix4x2dv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getDoublePointer(def->physicalIndex)));
break;
case GCT_MATRIX_DOUBLE_4X3:
OGRE_CHECK_GL_ERROR(glProgramUniformMatrix4x3dv(progID, currentUniform->mLocation, glArraySize,
transpose, params->getDoublePointer(def->physicalIndex)));
break;
case GCT_UINT1:
case GCT_BOOL1:
OGRE_CHECK_GL_ERROR(glProgramUniform1uiv(progID, currentUniform->mLocation, glArraySize,
params->getUnsignedIntPointer(def->physicalIndex)));
break;
case GCT_UINT2:
case GCT_BOOL2:
OGRE_CHECK_GL_ERROR(glProgramUniform2uiv(progID, currentUniform->mLocation, glArraySize,
params->getUnsignedIntPointer(def->physicalIndex)));
break;
case GCT_UINT3:
case GCT_BOOL3:
OGRE_CHECK_GL_ERROR(glProgramUniform3uiv(progID, currentUniform->mLocation, glArraySize,
params->getUnsignedIntPointer(def->physicalIndex)));
break;
case GCT_UINT4:
case GCT_BOOL4:
OGRE_CHECK_GL_ERROR(glProgramUniform4uiv(progID, currentUniform->mLocation, glArraySize,
params->getUnsignedIntPointer(def->physicalIndex)));
break;
case GCT_SAMPLER1D:
case GCT_SAMPLER1DSHADOW:
case GCT_SAMPLER2D:
case GCT_SAMPLER2DSHADOW:
case GCT_SAMPLER2DARRAY:
case GCT_SAMPLER3D:
case GCT_SAMPLERCUBE:
case GCT_SAMPLERRECT:
// Samplers handled like 1-element ints
OGRE_CHECK_GL_ERROR(glProgramUniform1iv(progID, currentUniform->mLocation, 1,
params->getIntPointer(def->physicalIndex)));
break;
case GCT_UNKNOWN:
case GCT_SUBROUTINE:
break;
} // End switch
} // Variability & mask
} // fromProgType == currentUniform->mSourceProgType
} // End for
}