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#ifndef RENDER_GLES2_H
#define RENDER_GLES2_H
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <wlr/backend.h>
#include <wlr/render/egl.h>
#include <wlr/render/gles2.h>
#include <wlr/render/interface.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/render/wlr_texture.h>
#include <wlr/util/log.h>
struct wlr_gles2_procs {
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
PFNGLDEBUGMESSAGECALLBACKKHRPROC glDebugMessageCallbackKHR;
PFNGLDEBUGMESSAGECONTROLKHRPROC glDebugMessageControlKHR;
PFNGLPOPDEBUGGROUPKHRPROC glPopDebugGroupKHR;
PFNGLPUSHDEBUGGROUPKHRPROC glPushDebugGroupKHR;
};
extern struct wlr_gles2_procs gles2_procs;
struct wlr_gles2_pixel_format {
enum wl_shm_format wl_format;
GLint gl_format, gl_type;
int depth, bpp;
bool has_alpha;
};
struct wlr_gles2_tex_shader {
GLuint program;
GLint proj;
GLint invert_y;
GLint tex;
GLint alpha;
};
struct wlr_gles2_renderer {
struct wlr_renderer wlr_renderer;
struct wlr_egl *egl;
const char *exts_str;
struct {
bool read_format_bgra_ext;
bool debug_khr;
bool egl_image_external_oes;
} exts;
struct {
struct {
GLuint program;
GLint proj;
GLint color;
} quad;
struct {
GLuint program;
GLint proj;
GLint color;
} ellipse;
struct wlr_gles2_tex_shader tex_rgba;
struct wlr_gles2_tex_shader tex_rgbx;
struct wlr_gles2_tex_shader tex_ext;
} shaders;
uint32_t viewport_width, viewport_height;
};
struct wlr_gles2_texture {
struct wlr_texture wlr_texture;
struct wlr_egl *egl;
// Basically:
// GL_TEXTURE_2D == mutable
// GL_TEXTURE_EXTERNAL_OES == immutable
GLenum target;
GLuint tex;
EGLImageKHR image;
int width, height;
bool inverted_y;
bool has_alpha;
// Only affects target == GL_TEXTURE_2D
enum wl_shm_format wl_format; // used to interpret upload data
};
const struct wlr_gles2_pixel_format *get_gles2_format_from_wl(
enum wl_shm_format fmt);
const struct wlr_gles2_pixel_format *get_gles2_format_from_gl(
GLint gl_format, GLint gl_type, bool alpha);
const enum wl_shm_format *get_gles2_wl_formats(size_t *len);
struct wlr_gles2_texture *gles2_get_texture(
struct wlr_texture *wlr_texture);
void push_gles2_marker(const char *file, const char *func);
void pop_gles2_marker(void);
#define PUSH_GLES2_DEBUG push_gles2_marker(_WLR_FILENAME, __func__)
#define POP_GLES2_DEBUG pop_gles2_marker()
#endif
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