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Replaced the old stencil API with love.graphics.drawStencil(stencilfunc), love.graphics.setStencilTest(enable, invert), and love.graphics.getStencilTest.

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Draw to the stencil buffer (rather than the color buffer) using love.graphics.drawStencil with a function which draws geometry. Once the stencil buffer has been drawn to, use love.graphics.setStencilTest before drawing to let drawn geometry be affected by it.

love.graphics.clear (and Canvas:clear) will clear both the color and stencil buffers by default. love.graphics.clear("stencil") will clear only the stencil buffer.

--HG--
branch : stencil-functions
This commit is contained in:
Alex Szpakowski
2014-08-08 00:25:44 -03:00
parent 53e63d48c9
commit 2b70d84611
7 changed files with 161 additions and 61 deletions
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src/modules/graphics/Graphics.h
+13
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@@ -103,6 +103,13 @@ public:
STACK_MAX_ENUM
};
enum ClearType
{
CLEAR_ALL,
CLEAR_STENCIL,
CLEAR_MAX_ENUM
};
struct RendererInfo
{
std::string name;
@@ -158,6 +165,9 @@ public:
static bool getConstant(const char *in, StackType &out);
static bool getConstant(StackType in, const char *&out);
static bool getConstant(const char *in, ClearType &out);
static bool getConstant(ClearType in, const char *&out);
private:
static StringMap<DrawMode, DRAW_MAX_ENUM>::Entry drawModeEntries[];
@@ -184,6 +194,9 @@ private:
static StringMap<StackType, STACK_MAX_ENUM>::Entry stackTypeEntries[];
static StringMap<StackType, STACK_MAX_ENUM> stackTypes;
static StringMap<ClearType, CLEAR_MAX_ENUM>::Entry clearTypeEntries[];
static StringMap<ClearType, CLEAR_MAX_ENUM> clearTypes;
}; // Graphics
} // graphics