73 lines
4.0 KiB
C
73 lines
4.0 KiB
C
#pragma once
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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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GSK_VULKAN_SHADER_CLIP_NONE,
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GSK_VULKAN_SHADER_CLIP_RECT,
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GSK_VULKAN_SHADER_CLIP_ROUNDED
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} GskVulkanShaderClip;
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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 */
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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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void gsk_vulkan_clip_init_copy (GskVulkanClip *self,
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const GskVulkanClip *src);
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void gsk_vulkan_clip_init_rect (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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void gsk_vulkan_clip_scale (GskVulkanClip *dest,
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const GskVulkanClip *src,
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float scale_x,
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float scale_y);
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gboolean gsk_vulkan_clip_transform (GskVulkanClip *dest,
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const GskVulkanClip *src,
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GskTransform *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_point_t *offset,
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const graphene_rect_t *rect) G_GNUC_WARN_UNUSED_RESULT;
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gboolean gsk_vulkan_clip_may_intersect_rect (const GskVulkanClip *self,
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const graphene_point_t *offset,
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const graphene_rect_t *rect) G_GNUC_WARN_UNUSED_RESULT;
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GskVulkanShaderClip gsk_vulkan_clip_get_shader_clip (const GskVulkanClip *self,
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const graphene_point_t *offset,
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const graphene_rect_t *rect);
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G_END_DECLS
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