kolibrios-fun/contrib/sdk/sources/Intel-2D/sna/sna_render_inline.h

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