void OGL4ShaderProgram::CollectUniformBlocks()
{
GLint count = 0;
glGetProgramiv(m_program, GL_ACTIVE_UNIFORM_BLOCKS, &count);
for(int i = 0; i < count; ++i)
{
char szName[1024];
glGetActiveUniformBlockName(m_program, i, 1024, 0, szName);
GLint bytes = 0;
glGetActiveUniformBlockiv(m_program, i, GL_UNIFORM_BLOCK_DATA_SIZE, &bytes);
OGL4BufferPtr pBuffer = std::make_shared<OGL4Buffer>();
if(pBuffer->Create(BT_CONSTANT_BUFFER, bytes, nullptr, true) == false)
{
pBuffer->Release();
pBuffer.reset();
continue;
}
UniformBlock block;
block.index = i;
block.name = szName;
block.pBuffer = pBuffer;
m_uniformBlocks.push_back(block);
}
}
bool OGL4GeometryData::AllocIndexBuffer(uint32 bytes, void* initData, bool dynamic, G_FORMAT format)
{
OGL4BufferPtr pBuffer = std::make_shared<OGL4Buffer>();
if(pBuffer->Create(BT_INDEX_BUFFER, bytes, initData, dynamic) == false)
{
return false;
}
AttachIndexBuffer(pBuffer, format);
return true;
}
bool OGL4GeometryData::AllocVertexBuffer(uint32 bytes, void* initData, bool dynamic, const VertexLayout& layout)
{
OGL4BufferPtr pBuffer = std::make_shared<OGL4Buffer>();
if(pBuffer->Create(BT_VERTEX_BUFFER, bytes, initData, dynamic) == false)
{
return false;
}
AttachVertexBuffer(pBuffer, layout);
return true;
}
