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matrix: use 2D matrices

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emersion 2018-03-15 15:33:58 +01:00
parent d26b67cb06
commit 824a95ad19
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GPG key ID: 0FDE7BE0E88F5E48
21 changed files with 216 additions and 271 deletions
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20
include/wlr/render.h
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@ -30,26 +30,26 @@ struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r);
*
* struct wlr_renderer *renderer;
* struct wlr_texture *texture;
* float projection[16];
* float matrix[16];
* wlr_texture_get_matrix(texture, &matrix, &projection, 123, 321);
* wlr_render_with_matrix(renderer, texture, &matrix, 0.5f);
* float projection[9];
* float matrix[9];
* wlr_texture_get_matrix(texture, matrix, projection, 123, 321);
* wlr_render_texture_with_matrix(renderer, texture, matrix, 0.5f);
*
* This will render the texture at <123, 321> with an alpha channel of 0.5.
*/
bool wlr_render_with_matrix(struct wlr_renderer *r,
struct wlr_texture *texture, const float matrix[static 16], float alpha);
bool wlr_render_texture_with_matrix(struct wlr_renderer *r,
struct wlr_texture *texture, const float matrix[static 9], float alpha);
/**
* Renders a solid quad in the specified color.
*/
void wlr_render_colored_quad(struct wlr_renderer *r,
const float color[static 4], const float matrix[static 16]);
const float color[static 4], const float matrix[static 9]);
/**
* Renders a solid ellipse in the specified color.
*/
void wlr_render_colored_ellipse(struct wlr_renderer *r,
const float color[static 4], const float matrix[static 16]);
const float color[static 4], const float matrix[static 9]);
/**
* Returns a list of pixel formats supported by this renderer.
*/
@ -139,8 +139,8 @@ bool wlr_texture_update_shm(struct wlr_texture *surf, uint32_t format,
* width) and [0, height], and the x and y coordinates provided are used as
* such.
*/
void wlr_texture_get_matrix(struct wlr_texture *texture, float mat[static 16],
const float projection[static 16], int x, int y);
void wlr_texture_get_matrix(struct wlr_texture *texture, float mat[static 9],
const float projection[static 9], int x, int y);
/**
* Destroys this wlr_texture.
*/