//[-------------------------------------------------------]
//[ Public virtual PLRenderer::ProgramUniformBlock functions ]
//[-------------------------------------------------------]
bool ProgramUniformBlockGLSL::SetUniformBuffer(PLRenderer::UniformBuffer *pUniformBuffer, uint32 nBindingPoint)
{
// Is there an uniform buffer given?
if (pUniformBuffer) {
// The given uniform buffer must have at least the same number of bytes as this uniform block and the shader language must match!
if (m_nOpenGLUniformBlockSize <= static_cast<GLint>(pUniformBuffer->GetSize()) && m_sShaderLanguage == pUniformBuffer->GetShaderLanguage()) {
// Attach the buffer to the given UBO binding point
glBindBufferBaseEXT(GL_UNIFORM_BUFFER, nBindingPoint, static_cast<UniformBuffer*>(pUniformBuffer)->GetOpenGLUniformBuffer());
} else {
// Error!
return false;
}
} else {
// Attach no buffer to the given UBO binding point
glBindBufferBaseEXT(GL_UNIFORM_BUFFER, nBindingPoint, 0);
}
// Is the uniform block already associated with this binding point? (this test safes some graphics API calls)
if (m_nBindingPoint != static_cast<int>(nBindingPoint)) {
// Associate the uniform block with the given binding point
m_nBindingPoint = nBindingPoint;
glUniformBlockBinding(m_nOpenGLProgram, m_nUniformBlockIndex, m_nBindingPoint);
}
// Done
return true;
}
void opengl_array_state::BindUniformBufferBindingIndex(GLuint id, GLuint index)
{
if ( !GLAD_GL_ARB_uniform_buffer_object ) {
return;
}
if ( uniform_buffer_index_bindings[index] == id ) {
return;
}
glBindBufferBaseEXT(GL_UNIFORM_BUFFER, index, id);
uniform_buffer_index_bindings[index] = id;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTTransformFeedback_glBindBufferBaseEXT(JNIEnv *__env, jclass clazz, jint target, jint index, jint buffer) {
glBindBufferBaseEXTPROC glBindBufferBaseEXT = (glBindBufferBaseEXTPROC)tlsGetFunction(1827);
UNUSED_PARAM(clazz)
glBindBufferBaseEXT(target, index, buffer);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTTransformFeedback_nglBindBufferBaseEXT(JNIEnv *env, jclass clazz, jint target, jint index, jint buffer, jlong function_pointer) {
glBindBufferBaseEXTPROC glBindBufferBaseEXT = (glBindBufferBaseEXTPROC)((intptr_t)function_pointer);
glBindBufferBaseEXT(target, index, buffer);
}
