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Add (low level) functionality to allow rendering 3D Meshes.

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- Add love.graphics.setDepthMode(testcomparison, enablewrites).
- Add love.graphics.setMeshCullMode.
- Add love.graphics.setFrontFaceWinding.

Depth testing and depth writes require a depth buffer to work. The mesh cull mode controls whether front/back faces of a mesh are culled. The front face winding determines whether a clockwise or counterclockwise-oriented face in a mesh is considered front facing.

--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2017-12-09 23:34:08 -04:00
parent 915e6c8eec
commit 7354de2059
21 changed files with 572 additions and 113 deletions
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src/modules/graphics/opengl/Graphics.h
+6 -3
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@@ -69,8 +69,8 @@ public:
void setActive(bool active) override;
void draw(PrimitiveType primtype, int vertexstart, int vertexcount, int instancecount, const vertex::Attributes &attribs, const vertex::Buffers &buffers, Texture *texture) override;
void drawIndexed(PrimitiveType primtype, int indexcount, int instancecount, IndexDataType datatype, Resource *indexbuffer, size_t indexoffset, const vertex::Attributes &attribs, const vertex::Buffers &buffers, Texture *texture) override;
void draw(const DrawCommand &cmd) override;
void draw(const DrawIndexedCommand &cmd) override;
void clear(OptionalColorf color, OptionalInt stencil, OptionalDouble depth) override;
void clear(const std::vector<OptionalColorf> &colors, OptionalInt stencil, OptionalDouble depth) override;
@@ -90,7 +90,10 @@ public:
void stopDrawToStencilBuffer() override;
void setStencilTest(CompareMode compare, int value) override;
void setStencilTest() override;
void setDepthMode(CompareMode compare, bool write) override;
void setFrontFaceWinding(vertex::Winding winding) override;
void setColorMask(ColorMask mask) override;