50 lines
990 B
C
50 lines
990 B
C
#ifndef CLIP_H
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#define CLIP_H
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#include <stdint.h>
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#include "../containers/aligned_vector.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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CLIP_RESULT_ALL_IN_FRONT,
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CLIP_RESULT_ALL_BEHIND,
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CLIP_RESULT_ALL_ON_PLANE,
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CLIP_RESULT_FRONT_TO_BACK,
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CLIP_RESULT_BACK_TO_FRONT
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} ClipResult;
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#define A8IDX 3
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#define R8IDX 2
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#define G8IDX 1
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#define B8IDX 0
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typedef struct {
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/* Same 32 byte layout as pvr_vertex_t */
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uint32_t flags;
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float xyz[3];
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float uv[2];
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uint8_t bgra[4];
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uint32_t oargb;
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/* Important, we have 24 bytes here. That means when submitting to the SQs we need to
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* increment the pointer by 6 */
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float nxyz[3]; /* Normal */
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float w;
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float st[2];
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} ClipVertex;
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void clipLineToNearZ(const ClipVertex* v1, const ClipVertex* v2, ClipVertex* vout, float* t);
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void clipTriangleStrip(const ClipVertex* vertices, const unsigned int count, AlignedVector* outBuffer);
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#ifdef __cplusplus
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}
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#endif
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#endif // CLIP_H
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