gtk2/gsk/vulkan/gskvulkanclipprivate.h
Benjamin Otte 91932ada63 vulkan: Handle simple transforms in the clipping code
Requires pushing the GskTransform into the clipping code so that we
can actually look at its category.
2021-03-05 19:36:36 -05:00

58 lines
2.5 KiB
C

#ifndef __GSK_VULKAN_CLIP_PRIVATE_H__
#define __GSK_VULKAN_CLIP_PRIVATE_H__
#include <gdk/gdk.h>
#include <graphene.h>
#include <gsk/gskroundedrect.h>
G_BEGIN_DECLS
typedef enum {
/* The whole area is clipped, no drawing is necessary.
* This can't be handled by return values because for return
* values we return if clips could even be computed.
*/
GSK_VULKAN_CLIP_ALL_CLIPPED,
/* No clipping is necessary, but the clip rect is set
* to the actual bounds of the underlying framebuffer
*/
GSK_VULKAN_CLIP_NONE,
/* The clip is a rectangular area */
GSK_VULKAN_CLIP_RECT,
/* The clip is a rounded rectangle, and for every corner
* corner.width == corner.height is true
*/
GSK_VULKAN_CLIP_ROUNDED_CIRCULAR,
/* The clip is a rounded rectangle */
GSK_VULKAN_CLIP_ROUNDED
} GskVulkanClipComplexity;
typedef struct _GskVulkanClip GskVulkanClip;
struct _GskVulkanClip
{
GskVulkanClipComplexity type;
GskRoundedRect rect;
};
void gsk_vulkan_clip_init_empty (GskVulkanClip *clip,
const graphene_rect_t *rect);
gboolean gsk_vulkan_clip_intersect_rect (GskVulkanClip *dest,
const GskVulkanClip *src,
const graphene_rect_t *rect) G_GNUC_WARN_UNUSED_RESULT;
gboolean gsk_vulkan_clip_intersect_rounded_rect (GskVulkanClip *dest,
const GskVulkanClip *src,
const GskRoundedRect *rounded) G_GNUC_WARN_UNUSED_RESULT;
gboolean gsk_vulkan_clip_transform (GskVulkanClip *dest,
const GskVulkanClip *src,
GskTransform *transform,
const graphene_rect_t *viewport) G_GNUC_WARN_UNUSED_RESULT;
gboolean gsk_vulkan_clip_contains_rect (const GskVulkanClip *self,
const graphene_rect_t *rect) G_GNUC_WARN_UNUSED_RESULT;
G_END_DECLS
#endif /* __GSK_VULKAN_CLIP_PRIVATE_H__ */