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metal: implement depth/stencil state

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This commit is contained in:
Alex Szpakowski
2020-06-14 21:14:56 -03:00
parent 9d2dca5740
commit 9aa9319eb5
9 changed files with 121 additions and 70 deletions
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src/modules/graphics/opengl/Graphics.cpp
+13 -11
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@@ -1119,7 +1119,8 @@ void Graphics::setScissor()
void Graphics::drawToStencilBuffer(StencilAction action, int value)
{
const auto &rts = states.back().renderTargets;
DisplayState &state = states.back();
const auto &rts = state.renderTargets;
love::graphics::Texture *dstexture = rts.depthStencil.texture.get();
if (!isRenderTargetActive() && !windowHasStencil)
@@ -1129,7 +1130,8 @@ void Graphics::drawToStencilBuffer(StencilAction action, int value)
flushBatchedDraws();
writingToStencil = true;
state.stencil.action = action;
state.stencil.value = value;
// Disable color writes but don't save the state for it.
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
@@ -1169,33 +1171,33 @@ void Graphics::drawToStencilBuffer(StencilAction action, int value)
void Graphics::stopDrawToStencilBuffer()
{
if (!writingToStencil)
DisplayState &state = states.back();
if (state.stencil.action == STENCIL_KEEP)
return;
flushBatchedDraws();
writingToStencil = false;
const DisplayState &state = states.back();
state.stencil.action = STENCIL_KEEP;
// Revert the color write mask.
setColorMask(state.colorMask);
// Use the user-set stencil test state when writes are disabled.
setStencilTest(state.stencilCompare, state.stencilTestValue);
setStencilTest(state.stencil.compare, state.stencil.value);
}
void Graphics::setStencilTest(CompareMode compare, int value)
{
DisplayState &state = states.back();
if (state.stencilCompare != compare || state.stencilTestValue != value)
if (state.stencil.compare != compare || state.stencil.value != value)
flushBatchedDraws();
state.stencilCompare = compare;
state.stencilTestValue = value;
state.stencil.compare = compare;
state.stencil.value = value;
if (writingToStencil)
if (state.stencil.action != STENCIL_KEEP)
return;
if (compare == COMPARE_ALWAYS)