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render: add wlr_render_subtexture_with_matrix

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This renders only a subset of the texture, instead of the full texture.
This commit is contained in:
Simon Ser 2020-04-27 12:27:01 +02:00 • committed by Drew DeVault
parent 00ccb89288
commit 315bf08733
4 changed files with 44 additions and 14 deletions
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6
include/wlr/render/interface.h
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@ -32,9 +32,9 @@ struct wlr_renderer_impl {
void (*end)(struct wlr_renderer *renderer);
void (*clear)(struct wlr_renderer *renderer, const float color[static 4]);
void (*scissor)(struct wlr_renderer *renderer, struct wlr_box *box);
bool (*render_texture_with_matrix)(struct wlr_renderer *renderer,
struct wlr_texture *texture, const float matrix[static 9],
float alpha);
bool (*render_subtexture_with_matrix)(struct wlr_renderer *renderer,
struct wlr_texture *texture, const struct wlr_fbox *box,
const float matrix[static 9], float alpha);
void (*render_quad_with_matrix)(struct wlr_renderer *renderer,
const float color[static 4], const float matrix[static 9]);
void (*render_ellipse_with_matrix)(struct wlr_renderer *renderer,

7
include/wlr/render/wlr_renderer.h
View file

@ -54,6 +54,13 @@ bool wlr_render_texture(struct wlr_renderer *r, struct wlr_texture *texture,
*/
bool wlr_render_texture_with_matrix(struct wlr_renderer *r,
struct wlr_texture *texture, const float matrix[static 9], float alpha);
/**
* Renders the requested texture using the provided matrix, after cropping it
* to the provided rectangle.
*/
bool wlr_render_subtexture_with_matrix(struct wlr_renderer *r,
struct wlr_texture *texture, const struct wlr_fbox *box,
const float matrix[static 9], float alpha);
/**
* Renders a solid rectangle in the specified color.
*/