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Really fixing the depth write mask issue on clear...

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This commit is contained in:
samcake 2015-07-29 18:27:10 -07:00
parent e32e45ed2b
commit 70d64a7777
1 changed files with 9 additions and 7 deletions
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16
libraries/gpu/src/gpu/GLBackendOutput.cpp
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@ -209,11 +209,18 @@ void GLBackend::do_clearFramebuffer(Batch& batch, uint32 paramOffset) {
int stencil = batch._params[paramOffset + 1]._int;
int useScissor = batch._params[paramOffset + 0]._int;
bool restoreDepthMask = false;
GLuint glmask = 0;
if (masks & Framebuffer::BUFFER_STENCIL) {
glClearStencil(stencil);
glmask |= GL_STENCIL_BUFFER_BIT;
// TODO: we will probably need to also check the write mask of stencil like we do
// for depth buffer, but as would say a famous Fez owner "We'll cross that bridge when we come to it"
}
bool restoreDepthMask = false;
if (masks & Framebuffer::BUFFER_DEPTH) {
glClearDepth(depth);
glmask |= GL_DEPTH_BUFFER_BIT;
bool cacheDepthMask = _pipeline._stateCache.depthTest.getWriteMask();
if (!cacheDepthMask) {
@ -222,11 +229,6 @@ void GLBackend::do_clearFramebuffer(Batch& batch, uint32 paramOffset) {
}
}
if (masks & Framebuffer::BUFFER_DEPTH) {
glClearDepth(depth);
glmask |= GL_DEPTH_BUFFER_BIT;
}
std::vector<GLenum> drawBuffers;
if (masks & Framebuffer::BUFFER_COLORS) {
for (unsigned int i = 0; i < Framebuffer::MAX_NUM_RENDER_BUFFERS; i++) {
@ -259,7 +261,7 @@ void GLBackend::do_clearFramebuffer(Batch& batch, uint32 paramOffset) {
glDisable(GL_SCISSOR_TEST);
}
// REstore write mask
// Restore write mask meaning turn back off
if (restoreDepthMask) {
glDepthMask(GL_FALSE);
}