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https://github.com/KolibriOS/kolibrios.git
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71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
#ifndef SNA_RENDER_INLINE_H
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#define SNA_RENDER_INLINE_H
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static inline bool need_tiling(struct sna *sna, int16_t width, int16_t height)
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{
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/* Is the damage area too large to fit in 3D pipeline,
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* and so do we need to split the operation up into tiles?
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*/
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return (width > sna->render.max_3d_size ||
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height > sna->render.max_3d_size);
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}
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static inline bool need_redirect(struct sna *sna, PixmapPtr dst)
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{
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/* Is the pixmap too large to render to? */
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return (dst->drawable.width > sna->render.max_3d_size ||
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dst->drawable.height > sna->render.max_3d_size);
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}
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static force_inline float pack_2s(int16_t x, int16_t y)
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{
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union {
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struct sna_coordinate p;
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float f;
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} u;
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u.p.x = x;
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u.p.y = y;
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return u.f;
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}
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static force_inline int vertex_space(struct sna *sna)
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{
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return sna->render.vertex_size - sna->render.vertex_used;
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}
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static force_inline void vertex_emit(struct sna *sna, float v)
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{
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assert(sna->render.vertex_used < sna->render.vertex_size);
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sna->render.vertices[sna->render.vertex_used++] = v;
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}
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static force_inline void vertex_emit_2s(struct sna *sna, int16_t x, int16_t y)
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{
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vertex_emit(sna, pack_2s(x, y));
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}
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static force_inline int batch_space(struct sna *sna)
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{
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assert(sna->kgem.nbatch <= KGEM_BATCH_SIZE(&sna->kgem));
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assert(sna->kgem.nbatch + KGEM_BATCH_RESERVED <= sna->kgem.surface);
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return sna->kgem.surface - sna->kgem.nbatch - KGEM_BATCH_RESERVED;
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}
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static force_inline void batch_emit(struct sna *sna, uint32_t dword)
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{
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assert(sna->kgem.mode != KGEM_NONE);
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assert(sna->kgem.nbatch + KGEM_BATCH_RESERVED < sna->kgem.surface);
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sna->kgem.batch[sna->kgem.nbatch++] = dword;
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}
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static force_inline void batch_emit_float(struct sna *sna, float f)
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{
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union {
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uint32_t dw;
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float f;
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} u;
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u.f = f;
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batch_emit(sna, u.dw);
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}
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#endif /* SNA_RENDER_INLINE_H */
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