mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-01 16:55:59 +01:00
e8b187cc92
This is useful for e.g. lazily blitting a texture for readback purposes while rendering.
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
|
|
* This an unstable interface of wlroots. No guarantees are made regarding the
|
|
* future consistency of this API.
|
|
*/
|
|
#ifndef WLR_USE_UNSTABLE
|
|
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
|
|
#endif
|
|
|
|
#ifndef WLR_RENDER_GLES2_H
|
|
#define WLR_RENDER_GLES2_H
|
|
|
|
#include <GLES2/gl2.h>
|
|
#include <wlr/render/wlr_renderer.h>
|
|
|
|
struct wlr_egl;
|
|
|
|
/**
|
|
* OpenGL ES 2 renderer.
|
|
*
|
|
* Care must be taken to avoid stepping each other's toes with EGL contexts:
|
|
* the current EGL is global state. The GLES2 renderer operations will save
|
|
* and restore any previous EGL context when called. A render pass is seen as
|
|
* a single operation.
|
|
*
|
|
* The GLES2 renderer doesn't support arbitrarily nested render passes. It
|
|
* supports a subset only: after a nested render pass is created, any parent
|
|
* render pass can't be used before the nested render pass is submitted.
|
|
*/
|
|
|
|
struct wlr_renderer *wlr_gles2_renderer_create_with_drm_fd(int drm_fd);
|
|
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 */
|
|
GLuint tex;
|
|
|
|
bool has_alpha;
|
|
};
|
|
|
|
bool wlr_renderer_is_gles2(struct wlr_renderer *wlr_renderer);
|
|
bool wlr_render_timer_is_gles2(struct wlr_render_timer *timer);
|
|
bool wlr_texture_is_gles2(struct wlr_texture *texture);
|
|
void wlr_gles2_texture_get_attribs(struct wlr_texture *texture,
|
|
struct wlr_gles2_texture_attribs *attribs);
|
|
|
|
#endif
|