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