void ae3d::GfxDevice::Draw( VertexBuffer& vertexBuffer, int startIndex, int endIndex, Shader& shader, BlendMode blendMode, DepthFunc depthFunc )
{
ae3d::System::Assert( startIndex > -1 && startIndex <= vertexBuffer.GetFaceCount() / 3, "Invalid vertex buffer draw range in startIndex" );
ae3d::System::Assert( endIndex > -1 && endIndex >= startIndex && endIndex <= vertexBuffer.GetFaceCount() / 3, "Invalid vertex buffer draw range in endIndex" );
SetBlendMode( blendMode );
SetDepthFunc( depthFunc );
shader.Use();
vertexBuffer.Bind();
vertexBuffer.DrawRange( startIndex, endIndex );
}
std::shared_ptr<RenderingContext> RenderingDevice::CreateRenderingContext()
{
auto context = std::make_shared<RenderingContext>( 1 /* the number of render targets */ );
// render states initialization
context->SetDepthFunc( DepthFunc::LessEqual );
context->SetDepthWritable( true );
m_renderingContexts.emplace_back( context );
return context;
}
void Graphics::ResetCachedState()
{
Program::Clear();
viewport_ = Recti(0);
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &systemFbo_); // On IOS default FBO is not zero
// Set up texture data read/write alignment
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
VertexArrayObj::Clear();
lastMesh_ = nullptr;
lastProgram_ = nullptr;
activeMesh_ = nullptr;
activeWindow_ = nullptr;
CHECK_GL_STATUS();
SetClearColor(Color(0, 0, 0, 1));
SetClearDepth(1);
SetClearStencil(0);
SetFrameBuffer(nullptr);
SetStencilTest(DEFAULT_STENCIL_ENABLE, DEFAULT_STENCIL_WRITEMASK, DEFAULT_STENCIL_SFAIL,
DEFAULT_STENCIL_DPFAIL, DEFAULT_STENCIL_DPPASS, DEFAULT_STENCIL_FUNC, DEFAULT_STENCIL_REF, DEFAULT_STENCIL_COMPAREMASK);
SetScissorTest();
CHECK_GL_STATUS();
SetColorMask(DEFAULT_COLOR_MASK);
SetDepthMask(DEFAULT_DEPTH_MASK);
SetDepthFunc(DepthFunc::LESS);
SetStencilMask(DEFAULT_STENCIL_MASK);
SetBlendModeTest(DEFAULT_BLEND_MODE);
EnableDepthTest(DEFAULT_DEPTH_TEST_ENABLE);
EnableCullFace(DEFAULT_CULL_FACE_ENABLE);
SetCullFace(CullFaceMode::DEFAULT);
SetFrontFace(FrontFaceMode::DEFAULT);
CHECK_GL_STATUS();
UnboundTextures();
SetVertexArrayObj(nullptr);
SetVertexBuffer(nullptr);
SetIndexBuffer(nullptr);
SetProgram(nullptr);
SetSlopeScaledBias(0);
CHECK_GL_STATUS();
}
