reset

1 files changed, 0 insertions, 220 deletions

diff --git a/src/backend/gl/gl_common.h b/src/backend/gl/gl_common.h
deleted file mode 100644
index b1d93b0..0000000
--- a/src/backend/gl/gl_common.h
+++ /dev/null
@@ -1,220 +0,0 @@
-// SPDX-License-Identifier: MPL-2.0
-// Copyright (c) Yuxuan Shui <[email protected]>
-#pragma once
-#include <GL/gl.h>
-#include <GL/glext.h>
-#include <stdbool.h>
-#include <string.h>
-
-#include "backend/backend.h"
-#include "log.h"
-#include "region.h"
-
-#define CASESTRRET(s)                                                                    \
-	case s: return #s
-
-// Program and uniforms for window shader
-typedef struct {
-	GLuint prog;
-	GLint unifm_opacity;
-	GLint unifm_invert_color;
-	GLint unifm_tex;
-	GLint unifm_dim;
-	GLint unifm_brightness;
-	GLint unifm_max_brightness;
-} gl_win_shader_t;
-
-// Program and uniforms for brightness shader
-typedef struct {
-	GLuint prog;
-} gl_brightness_shader_t;
-
-// Program and uniforms for blur shader
-typedef struct {
-	GLuint prog;
-	GLint unifm_pixel_norm;
-	GLint unifm_opacity;
-	GLint texorig_loc;
-	GLint scale_loc;
-} gl_blur_shader_t;
-
-typedef struct {
-	GLuint prog;
-	GLint color_loc;
-} gl_fill_shader_t;
-
-/// @brief Wrapper of a binded GLX texture.
-struct gl_texture {
-	int refcount;
-	bool has_alpha;
-	GLuint texture;
-	int width, height;
-	bool y_inverted;
-
-	// Textures for auxiliary uses.
-	GLuint auxiliary_texture[2];
-	void *user_data;
-};
-
-struct gl_data {
-	backend_t base;
-	// If we are using proprietary NVIDIA driver
-	bool is_nvidia;
-	// Height and width of the root window
-	int height, width;
-	gl_win_shader_t win_shader;
-	gl_brightness_shader_t brightness_shader;
-	gl_fill_shader_t fill_shader;
-	GLuint back_texture, back_fbo;
-	GLuint present_prog;
-
-	/// Called when an gl_texture is decoupled from the texture it refers. Returns
-	/// the decoupled user_data
-	void *(*decouple_texture_user_data)(backend_t *base, void *user_data);
-
-	/// Release the user data attached to a gl_texture
-	void (*release_user_data)(backend_t *base, struct gl_texture *);
-
-	struct log_target *logger;
-};
-
-typedef struct session session_t;
-
-#define GL_PROG_MAIN_INIT                                                                \
-	{ .prog = 0, .unifm_opacity = -1, .unifm_invert_color = -1, .unifm_tex = -1, }
-
-GLuint gl_create_shader(GLenum shader_type, const char *shader_str);
-GLuint gl_create_program(const GLuint *const shaders, int nshaders);
-GLuint gl_create_program_from_str(const char *vert_shader_str, const char *frag_shader_str);
-
-/**
- * @brief Render a region with texture data.
- */
-void gl_compose(backend_t *, void *ptex,
-		int dst_x1, int dst_y1, int dst_x2, int dst_y2,
-		const region_t *reg_tgt, const region_t *reg_visible);
-
-void gl_resize(struct gl_data *, int width, int height);
-
-bool gl_init(struct gl_data *gd, session_t *);
-void gl_deinit(struct gl_data *gd);
-
-GLuint gl_new_texture(GLenum target);
-
-bool gl_image_op(backend_t *base, enum image_operations op, void *image_data,
-                 const region_t *reg_op, const region_t *reg_visible, void *arg);
-
-void gl_release_image(backend_t *base, void *image_data);
-
-void *gl_clone(backend_t *base, const void *image_data, const region_t *reg_visible);
-
-bool gl_blur(backend_t *base, double opacity, void *, const region_t *reg_blur,
-             const region_t *reg_visible);
-void *gl_create_blur_context(backend_t *base, enum blur_method, void *args);
-void gl_destroy_blur_context(backend_t *base, void *ctx);
-void gl_get_blur_size(void *blur_context, int *width, int *height);
-
-void gl_fill(backend_t *base, struct color, const region_t *clip);
-
-void gl_present(backend_t *base, const region_t *);
-bool gl_read_pixel(backend_t *base, void *image_data, int x, int y, struct color *output);
-
-static inline void gl_delete_texture(GLuint texture) {
-	glDeleteTextures(1, &texture);
-}
-
-/**
- * Get a textual representation of an OpenGL error.
- */
-static inline const char *gl_get_err_str(GLenum err) {
-	switch (err) {
-		CASESTRRET(GL_NO_ERROR);
-		CASESTRRET(GL_INVALID_ENUM);
-		CASESTRRET(GL_INVALID_VALUE);
-		CASESTRRET(GL_INVALID_OPERATION);
-		CASESTRRET(GL_INVALID_FRAMEBUFFER_OPERATION);
-		CASESTRRET(GL_OUT_OF_MEMORY);
-		CASESTRRET(GL_STACK_UNDERFLOW);
-		CASESTRRET(GL_STACK_OVERFLOW);
-		CASESTRRET(GL_FRAMEBUFFER_UNDEFINED);
-		CASESTRRET(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT);
-		CASESTRRET(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT);
-		CASESTRRET(GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER);
-		CASESTRRET(GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER);
-		CASESTRRET(GL_FRAMEBUFFER_UNSUPPORTED);
-		CASESTRRET(GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE);
-		CASESTRRET(GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS);
-	}
-	return NULL;
-}
-
-/**
- * Check for GLX error.
- *
- * http://blog.nobel-joergensen.com/2013/01/29/debugging-opengl-using-glgeterror/
- */
-static inline void gl_check_err_(const char *func, int line) {
-	GLenum err = GL_NO_ERROR;
-
-	while (GL_NO_ERROR != (err = glGetError())) {
-		const char *errtext = gl_get_err_str(err);
-		if (errtext) {
-			log_printf(tls_logger, LOG_LEVEL_ERROR, func,
-			           "GLX error at line %d: %s", line, errtext);
-		} else {
-			log_printf(tls_logger, LOG_LEVEL_ERROR, func,
-			           "GLX error at line %d: %d", line, err);
-		}
-	}
-}
-
-static inline void gl_clear_err(void) {
-	while (glGetError() != GL_NO_ERROR)
-		;
-}
-
-#define gl_check_err() gl_check_err_(__func__, __LINE__)
-
-/**
- * Check for GL framebuffer completeness.
- */
-static inline bool gl_check_fb_complete_(const char *func, int line, GLenum fb) {
-	GLenum status = glCheckFramebufferStatus(fb);
-
-	if (status == GL_FRAMEBUFFER_COMPLETE) {
-		return true;
-	}
-
-	const char *stattext = gl_get_err_str(status);
-	if (stattext) {
-		log_printf(tls_logger, LOG_LEVEL_ERROR, func,
-		           "Framebuffer attachment failed at line %d: %s", line, stattext);
-	} else {
-		log_printf(tls_logger, LOG_LEVEL_ERROR, func,
-		           "Framebuffer attachment failed at line %d: %d", line, status);
-	}
-
-	return false;
-}
-
-#define gl_check_fb_complete(fb) gl_check_fb_complete_(__func__, __LINE__, (fb))
-
-/**
- * Check if a GLX extension exists.
- */
-static inline bool gl_has_extension(const char *ext) {
-	int nexts = 0;
-	glGetIntegerv(GL_NUM_EXTENSIONS, &nexts);
-	for (int i = 0; i < nexts || !nexts; i++) {
-		const char *exti = (const char *)glGetStringi(GL_EXTENSIONS, (GLuint)i);
-		if (exti == NULL) {
-			break;
-		}
-		if (strcmp(ext, exti) == 0) {
-			return true;
-		}
-	}
-	gl_clear_err();
-	log_info("Missing GL extension %s.", ext);
-	return false;
-}