Mirrors/overte-JulianGro
3
0
Fork 0
mirror of https://github.com/JulianGro/overte.git synced 2025-04-25 18:55:01 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix depth state caching / resetting

Browse source
This commit is contained in:
Bradley Austin Davis 2016-07-26 08:51:12 -07:00
parent 40c24b8cd1
commit 3962487ee3
1 changed files with 46 additions and 37 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

83
libraries/gpu-gl/src/gpu/gl/GLBackendState.cpp
View file

@ -158,64 +158,73 @@ void GLBackend::do_setStateDepthBias(Vec2 bias) {
}
void GLBackend::do_setStateDepthTest(State::DepthTest test) {
if (_pipeline._stateCache.depthTest != test) {
const auto& current = _pipeline._stateCache.depthTest;
if (current != test) {
if (test.isEnabled()) {
glEnable(GL_DEPTH_TEST);
glDepthMask(test.getWriteMask());
glDepthFunc(COMPARISON_TO_GL[test.getFunction()]);
} else {
glDisable(GL_DEPTH_TEST);
}
if (test.getWriteMask() != current.getWriteMask()) {
glDepthMask(test.getWriteMask());
}
if (test.getFunction() != current.getFunction()) {
glDepthFunc(COMPARISON_TO_GL[test.getFunction()]);
}
if (CHECK_GL_ERROR()) {
qDebug() << "DepthTest" << (test.isEnabled() ? "Enabled" : "Disabled")
<< "Mask=" << (test.getWriteMask() ? "Write" : "no Write")
<< "Func=" << test.getFunction()
<< "Raw=" << test.getRaw();
}
_pipeline._stateCache.depthTest = test;
}
}
void GLBackend::do_setStateStencil(State::StencilActivation activation, State::StencilTest frontTest, State::StencilTest backTest) {
if ((_pipeline._stateCache.stencilActivation != activation)
|| (_pipeline._stateCache.stencilTestFront != frontTest)
|| (_pipeline._stateCache.stencilTestBack != backTest)) {
const auto& currentActivation = _pipeline._stateCache.stencilActivation;
const auto& currentTestFront = _pipeline._stateCache.stencilTestFront;
const auto& currentTestBack = _pipeline._stateCache.stencilTestBack;
if ((currentActivation != activation)
|| (currentTestFront != frontTest)
|| (currentTestBack != backTest)) {
if (activation.isEnabled()) {
glEnable(GL_STENCIL_TEST);
if (activation.getWriteMaskFront() != activation.getWriteMaskBack()) {
glStencilMaskSeparate(GL_FRONT, activation.getWriteMaskFront());
glStencilMaskSeparate(GL_BACK, activation.getWriteMaskBack());
} else {
glStencilMask(activation.getWriteMaskFront());
}
static GLenum STENCIL_OPS[] = {
GL_KEEP,
GL_ZERO,
GL_REPLACE,
GL_INCR_WRAP,
GL_DECR_WRAP,
GL_INVERT,
GL_INCR,
GL_DECR };
if (frontTest != backTest) {
glStencilOpSeparate(GL_FRONT, STENCIL_OPS[frontTest.getFailOp()], STENCIL_OPS[frontTest.getPassOp()], STENCIL_OPS[frontTest.getDepthFailOp()]);
glStencilFuncSeparate(GL_FRONT, COMPARISON_TO_GL[frontTest.getFunction()], frontTest.getReference(), frontTest.getReadMask());
glStencilOpSeparate(GL_BACK, STENCIL_OPS[backTest.getFailOp()], STENCIL_OPS[backTest.getPassOp()], STENCIL_OPS[backTest.getDepthFailOp()]);
glStencilFuncSeparate(GL_BACK, COMPARISON_TO_GL[backTest.getFunction()], backTest.getReference(), backTest.getReadMask());
} else {
glStencilOp(STENCIL_OPS[frontTest.getFailOp()], STENCIL_OPS[frontTest.getPassOp()], STENCIL_OPS[frontTest.getDepthFailOp()]);
glStencilFunc(COMPARISON_TO_GL[frontTest.getFunction()], frontTest.getReference(), frontTest.getReadMask());
}
} else {
}
else {
glDisable(GL_STENCIL_TEST);
}
if (activation.getWriteMaskFront() != activation.getWriteMaskBack()) {
glStencilMaskSeparate(GL_FRONT, activation.getWriteMaskFront());
glStencilMaskSeparate(GL_BACK, activation.getWriteMaskBack());
}
else {
glStencilMask(activation.getWriteMaskFront());
}
static GLenum STENCIL_OPS[State::NUM_STENCIL_OPS] = {
GL_KEEP,
GL_ZERO,
GL_REPLACE,
GL_INCR_WRAP,
GL_DECR_WRAP,
GL_INVERT,
GL_INCR,
GL_DECR };
if (frontTest != backTest) {
glStencilOpSeparate(GL_FRONT, STENCIL_OPS[frontTest.getFailOp()], STENCIL_OPS[frontTest.getPassOp()], STENCIL_OPS[frontTest.getDepthFailOp()]);
glStencilFuncSeparate(GL_FRONT, COMPARISON_TO_GL[frontTest.getFunction()], frontTest.getReference(), frontTest.getReadMask());
glStencilOpSeparate(GL_BACK, STENCIL_OPS[backTest.getFailOp()], STENCIL_OPS[backTest.getPassOp()], STENCIL_OPS[backTest.getDepthFailOp()]);
glStencilFuncSeparate(GL_BACK, COMPARISON_TO_GL[backTest.getFunction()], backTest.getReference(), backTest.getReadMask());
} else {
glStencilOp(STENCIL_OPS[frontTest.getFailOp()], STENCIL_OPS[frontTest.getPassOp()], STENCIL_OPS[frontTest.getDepthFailOp()]);
glStencilFunc(COMPARISON_TO_GL[frontTest.getFunction()], frontTest.getReference(), frontTest.getReadMask());
}
(void)CHECK_GL_ERROR();
_pipeline._stateCache.stencilActivation = activation;