Ejemplo n.º 1
0
	void Device::Clear(CLEAR_FLAG flags)
	{
		glShadeModel(GL_SMOOTH);
		glPixelStorei(GL_UNPACK_ALIGNMENT, 4);

		GLfloat lightModelAmbient[] = { 0.0f, 0.0f, 0.0f, 1.0f };
		glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lightModelAmbient);

		GLfloat lightAmbient[] = { 0.25f, 0.25f, 0.25f, 1.0f };
		glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient);

		GLfloat lightDiffuse[] = { 0.75f, 0.75f, 0.75f, 1.0f };
		glLightfv(GL_LIGHT0, GL_DIFFUSE, lightDiffuse);

		GLfloat materialAmbient[] = { 1.0f, 1.0f, 1.0f, 1.0f };
		glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, materialAmbient);

		GLfloat materialDiffuse[] = { 1.0f, 1.0f, 1.0f, 1.0f };
		glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, materialDiffuse);

		GLfloat lightPosition[] = { 0.0f, 0.0f, 2.5f, 1.0f };
		glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);

		glEnable(GL_LIGHT0);
		glEnable(GL_LIGHTING);
		glEnable(GL_COLOR_MATERIAL);

		SetClearStencil(0);
		SetClearDepth(1);

		glClear((flags & CLEAR_FLAG::Color ? GL_COLOR_BUFFER_BIT : 0) | (flags & CLEAR_FLAG::Depth ? GL_DEPTH_BUFFER_BIT : 0) | (flags & CLEAR_FLAG::Stencil ? GL_STENCIL_BUFFER_BIT : 0));
	}
Ejemplo n.º 2
0
    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();
    }
Ejemplo n.º 3
0
 void Graphics::ClearStencilBuffer(GLint value)
 {
     SetScissorTest();
     SetClearStencil(value);
     glClear(GL_STENCIL_BUFFER_BIT);
 }