1 files changed, 108 insertions, 0 deletions
diff --git a/include/render/gles2.h b/include/render/gles2.h
new file mode 100644
index 00000000..1857383f
--- /dev/null
+++ b/include/render/gles2.h
@@ -0,0 +1,108 @@
+#ifndef RENDER_GLES2_H
+#define RENDER_GLES2_H
+
+#include <EGL/egl.h>
+#include <EGL/eglext.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>
+
+extern PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
+
+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;
+};
+
+enum wlr_gles2_texture_type {
+	WLR_GLES2_TEXTURE_GLTEX,
+	WLR_GLES2_TEXTURE_WL_DRM_GL,
+	WLR_GLES2_TEXTURE_WL_DRM_EXT,
+	WLR_GLES2_TEXTURE_DMABUF,
+};
+
+struct wlr_gles2_texture {
+	struct wlr_texture wlr_texture;
+
+	struct wlr_egl *egl;
+	enum wlr_gles2_texture_type type;
+	int width, height;
+	bool has_alpha;
+	enum wl_shm_format wl_format; // used to interpret upload data
+	bool inverted_y;
+
+	// Not set if WLR_GLES2_TEXTURE_GLTEX
+	EGLImageKHR image;
+	GLuint image_tex;
+
+	union {
+		GLuint gl_tex;
+		struct wl_resource *wl_drm;
+	};
+};
+
+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_strip_path(__FILE__), __func__)
+#define POP_GLES2_DEBUG pop_gles2_marker()
+
+#endif