void Batch2D::End(){
//as long as a texture is bound, draw sprites
if (texture)
Flush();
texture = nullptr;
UnmapBuffers();
glBindVertexArray(0);
}
void Deferred::ClearBuffers()
{
UnmapBuffers();
deviceContext->ClearRenderTargetView(finalImage,BLACK);
deviceContext->ClearRenderTargetView(lightPass,REALBLACK);
deviceContext->ClearRenderTargetView(SSAOPass,WHITE);
deviceContext->ClearDepthStencilView(depthStencilView,D3D11_CLEAR_DEPTH,1.0f,0);
for(unsigned int i = 0; i < NUMBUFFERS; i++)
{
deviceContext->ClearRenderTargetView(gBuffer[i],BLACK);
}
// !!! SPECIAL FOR ALPHA LAYER IN ALBEDO BUFFER !!!
deviceContext->ClearRenderTargetView(gBuffer[1],REALBLACK);
}
//draw sprites to framebuffer
void Batch2D::Flush(){
UnmapBuffers();
glDrawElements(GL_TRIANGLES, instanceCount * indexPerSprite, GL_UNSIGNED_SHORT, 0);
instanceCount = 0;
MapBuffers();
}
