58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
#ifndef RASTERIZER_H
|
|
#define RASTERIZER_H
|
|
|
|
#include "software_global.h"
|
|
|
|
namespace paysages {
|
|
namespace software {
|
|
|
|
typedef struct ScanPoint ScanPoint;
|
|
typedef struct RenderScanlines RenderScanlines;
|
|
|
|
/**
|
|
* @brief Base abstract class for scenery pieces that can be rasterized to polygons.
|
|
*/
|
|
class SOFTWARESHARED_EXPORT Rasterizer
|
|
{
|
|
public:
|
|
Rasterizer(SoftwareRenderer *renderer, int client_id, const Color &color);
|
|
virtual ~Rasterizer();
|
|
|
|
inline SoftwareRenderer *getRenderer() const {return renderer;}
|
|
|
|
virtual void rasterizeToCanvas(CanvasPortion* canvas) = 0;
|
|
virtual Color shadeFragment(const CanvasFragment &fragment) const = 0;
|
|
virtual void interrupt();
|
|
|
|
protected:
|
|
void addPredictedPolys(int count=1);
|
|
void addDonePolys(int count=1);
|
|
|
|
void pushProjectedTriangle(CanvasPortion *canvas, const Vector3 &pixel1, const Vector3 &pixel2, const Vector3 &pixel3, const Vector3 &location1, const Vector3 &location2, const Vector3 &location3);
|
|
|
|
void pushTriangle(CanvasPortion *canvas, const Vector3 &v1, const Vector3 &v2, const Vector3 &v3);
|
|
void pushQuad(CanvasPortion *canvas, const Vector3 &v1, const Vector3 &v2, const Vector3 &v3, const Vector3 &v4);
|
|
void pushDisplacedTriangle(CanvasPortion *canvas, const Vector3 &v1, const Vector3 &v2, const Vector3 &v3, const Vector3 &ov1, const Vector3 &ov2, const Vector3 &ov3);
|
|
void pushDisplacedQuad(CanvasPortion *canvas, const Vector3 &v1, const Vector3 &v2, const Vector3 &v3, const Vector3 &v4, const Vector3 &ov1, const Vector3 &ov2, const Vector3 &ov3, const Vector3 &ov4);
|
|
|
|
Color* color;
|
|
SoftwareRenderer *renderer;
|
|
int client_id;
|
|
bool interrupted;
|
|
|
|
private:
|
|
void scanGetDiff(ScanPoint *v1, ScanPoint *v2, ScanPoint *result);
|
|
void scanInterpolate(CameraDefinition *camera, ScanPoint *v1, ScanPoint *diff, double value, ScanPoint *result);
|
|
void pushScanPoint(CanvasPortion *canvas, RenderScanlines *scanlines, ScanPoint *point);
|
|
void pushScanLineEdge(CanvasPortion *canvas, RenderScanlines *scanlines, ScanPoint *point1, ScanPoint *point2);
|
|
void renderScanLines(CanvasPortion *canvas, RenderScanlines *scanlines);
|
|
|
|
int predicted_poly_count;
|
|
int done_poly_count;
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif // RASTERIZER_H
|