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Add new variants of love.graphics.clear for controlling how the depth and stencil buffers are cleared.

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- Add love.graphics.clear(r, g, b, a [, stencilvalue, depthvalue]).
- Add love.graphics.clear(color1, color2, …, [, stencilvalue, depthvalue]).
- Add love.graphics.clear(false, stencilvalue, depthvalue).

stencilvalue and depthvalue are either true, false, or a number. True is the default behaviour and clears that buffer to the default value (0 for stencil, 1 for depth), false prevents clearing.

The third variant listed above only clears the depth and/or stencil buffers and not the color buffer.

--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2017-04-11 22:32:40 -03:00
parent 72c7602650
commit 0001b4695e
9 changed files with 194 additions and 53 deletions
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src/modules/graphics/opengl/Graphics.h
+3 -3
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@@ -88,8 +88,8 @@ public:
void flushStreamDraws() override;
void clear(Colorf color) override;
void clear(const std::vector<OptionalColorf> &colors) override;
void clear(OptionalColorf color, OptionalInt stencil, OptionalDouble depth) override;
void clear(const std::vector<OptionalColorf> &colors, OptionalInt stencil, OptionalDouble depth) override;
void discard(const std::vector<bool> &colorbuffers, bool depthstencil) override;
@@ -109,7 +109,7 @@ public:
void setStencilTest(CompareMode compare, int value) override;
void setStencilTest() override;
void clearStencil() override;
void clearStencil(int value) override;
void setColorMask(ColorMask mask) override;