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render: add wlr_texture_is_opaque

This commit is contained in:
emersion 2018-07-12 23:35:33 +01:00
parent d8bbdf3bd5
commit c4915d1492
4 changed files with 19 additions and 0 deletions
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1
include/wlr/render/interface.h
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@ -56,6 +56,7 @@ void wlr_renderer_init(struct wlr_renderer *renderer,
struct wlr_texture_impl {
void (*get_size)(struct wlr_texture *texture, int *width, int *height);
bool (*is_opaque)(struct wlr_texture *texture);
bool (*write_pixels)(struct wlr_texture *texture,
enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width,
uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x,

5
include/wlr/render/wlr_texture.h
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@ -40,6 +40,11 @@ struct wlr_texture *wlr_texture_from_dmabuf(struct wlr_renderer *renderer,
*/
void wlr_texture_get_size(struct wlr_texture *texture, int *width, int *height);
/**
* Returns true if this texture is using a fully opaque format.
*/
bool wlr_texture_is_opaque(struct wlr_texture *texture);
/**
* Update a texture with raw pixels. The texture must be mutable.
*/

6
render/gles2/texture.c
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@ -36,6 +36,11 @@ static void gles2_texture_get_size(struct wlr_texture *wlr_texture, int *width,
*height = texture->height;
}
static bool gles2_texture_is_opaque(struct wlr_texture *wlr_texture) {
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
return !texture->has_alpha;
}
static bool gles2_texture_write_pixels(struct wlr_texture *wlr_texture,
enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width,
uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x,
@ -129,6 +134,7 @@ static void gles2_texture_destroy(struct wlr_texture *wlr_texture) {
static const struct wlr_texture_impl texture_impl = {
.get_size = gles2_texture_get_size,
.is_opaque = gles2_texture_is_opaque,
.write_pixels = gles2_texture_write_pixels,
.to_dmabuf = gles2_texture_to_dmabuf,
.destroy = gles2_texture_destroy,

7
render/wlr_texture.c
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@ -47,6 +47,13 @@ void wlr_texture_get_size(struct wlr_texture *texture, int *width,
return texture->impl->get_size(texture, width, height);
}
bool wlr_texture_is_opaque(struct wlr_texture *texture) {
if (!texture->impl->is_opaque) {
return false;
}
return texture->impl->is_opaque(texture);
}
bool wlr_texture_write_pixels(struct wlr_texture *texture,
enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width,
uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x,