50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#pragma once
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#include "dvc_config.h"
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#include "math/dvc_vector2.h"
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#include "math/dvc_vector3.h"
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DV_CORE_BEGIN_NAMESPACE
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class DV_CORE_API Rasterizer
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{
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//Draw Line
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public:
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typedef std::function<void(const std::pair<int32_t, int32_t>&, float)> DrawLineCallback;
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//Bresenham's line algorithm
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static void drawLine(int32_t canvasWidth, int32_t canvasHeight,
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const fVector2& start, const fVector2& end,
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DrawLineCallback callback);
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//Draw Triangle
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public:
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typedef std::function<void(const std::pair<int32_t, int32_t>& pos, const fVector3& percent)> DrawTriangleCallback;
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struct DebugParam
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{
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bool debug;
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const char* szOutputFileName;
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int32_t x;
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int32_t y;
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FILE* fpOutput;
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int32_t tile_id;
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int32_t coarse_id;
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int32_t fine_id;
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int32_t edge_id;
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};
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//Larrabee algorithm
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static void drawTriangleLarrabee(int32_t canvasWidth, int32_t canvasHeight,
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const fVector2& v0, const fVector2& v1, const fVector2& v2,
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DrawTriangleCallback callback, bool ccw=true, const DebugParam* debugParam=nullptr);
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//Scaleline algorithm
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static void drawTriangleScanline(int32_t canvasWidth, int32_t canvasHeight,
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const fVector3& v0, const fVector3& v1, const fVector3& v2,
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DrawTriangleCallback callback);
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};
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DV_CORE_END_NAMESPACE
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