diff options
Diffstat (limited to 'WebCore/platform/graphics/opengl/GraphicsContext3DOpenGL.cpp')
| -rw-r--r-- | WebCore/platform/graphics/opengl/GraphicsContext3DOpenGL.cpp | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGL.cpp b/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGL.cpp index 85089a0..d295abb 100644 --- a/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGL.cpp +++ b/WebCore/platform/graphics/opengl/GraphicsContext3DOpenGL.cpp @@ -211,20 +211,29 @@ void GraphicsContext3D::reshape(int width, int height) } // Initialize renderbuffers to 0. - GLboolean colorMask[] = {GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE}, depthMask = GL_TRUE, stencilMask = GL_TRUE; + GLfloat clearColor[] = {0, 0, 0, 0}, clearDepth = 0; + GLint clearStencil = 0; + GLboolean colorMask[] = {GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE}, depthMask = GL_TRUE; + GLuint stencilMask = 0xffffffff; GLboolean isScissorEnabled = GL_FALSE; GLboolean isDitherEnabled = GL_FALSE; GLbitfield clearMask = GL_COLOR_BUFFER_BIT; + ::glGetFloatv(GL_COLOR_CLEAR_VALUE, clearColor); + ::glClearColor(0, 0, 0, 0); ::glGetBooleanv(GL_COLOR_WRITEMASK, colorMask); ::glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); if (m_attrs.depth) { + ::glGetFloatv(GL_DEPTH_CLEAR_VALUE, &clearDepth); + ::glClearDepth(1); ::glGetBooleanv(GL_DEPTH_WRITEMASK, &depthMask); ::glDepthMask(GL_TRUE); clearMask |= GL_DEPTH_BUFFER_BIT; } if (m_attrs.stencil) { - ::glGetBooleanv(GL_STENCIL_WRITEMASK, &stencilMask); - ::glStencilMask(GL_TRUE); + ::glGetIntegerv(GL_STENCIL_CLEAR_VALUE, &clearStencil); + ::glClearStencil(0); + ::glGetIntegerv(GL_STENCIL_WRITEMASK, reinterpret_cast<GLint*>(&stencilMask)); + ::glStencilMaskSeparate(GL_FRONT, 0xffffffff); clearMask |= GL_STENCIL_BUFFER_BIT; } isScissorEnabled = ::glIsEnabled(GL_SCISSOR_TEST); @@ -234,11 +243,16 @@ void GraphicsContext3D::reshape(int width, int height) ::glClear(clearMask); + ::glClearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]); ::glColorMask(colorMask[0], colorMask[1], colorMask[2], colorMask[3]); - if (m_attrs.depth) + if (m_attrs.depth) { + ::glClearDepth(clearDepth); ::glDepthMask(depthMask); - if (m_attrs.stencil) - ::glStencilMask(stencilMask); + } + if (m_attrs.stencil) { + ::glClearStencil(clearStencil); + ::glStencilMaskSeparate(GL_FRONT, stencilMask); + } if (isScissorEnabled) ::glEnable(GL_SCISSOR_TEST); else |