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render: add get native paint target of renderer

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Add wlr_pixman_buffer_get_current_image for wlr_pixman_renderer.
Add wlr_gles2_buffer_get_current_fbo for wlr_gles2_renderer.

Allow get the FBO/pixman_image_t, the compositor can be add some
action for FBO(for eg, attach a depth buffer), or without pixman
render to pixman_image_t(for eg, use QPainter of Qt instead of pixman).
This commit is contained in:
zccrs 2021-05-28 13:53:24 +08:00 • committed by Simon Ser
parent dc17ecd236
commit 3c03639cd5
4 changed files with 22 additions and 0 deletions
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4
include/wlr/render/gles2.h
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@ -21,6 +21,10 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl);
struct wlr_egl *wlr_gles2_renderer_get_egl(struct wlr_renderer *renderer);
bool wlr_gles2_renderer_check_ext(struct wlr_renderer *renderer,
const char *ext);
/**
* Returns the OpenGL FBO of current buffer.
*/
GLuint wlr_gles2_renderer_get_current_fbo(struct wlr_renderer *wlr_renderer);
struct wlr_gles2_texture_attribs {
GLenum target; /* either GL_TEXTURE_2D or GL_TEXTURE_EXTERNAL_OES */