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diff --git a/video/out/opengl/common.h b/video/out/opengl/common.h
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+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with mpv. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You can alternatively redistribute this file and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ */
+
+#ifndef MPLAYER_GL_COMMON_H
+#define MPLAYER_GL_COMMON_H
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "config.h"
+#include "common/msg.h"
+#include "misc/bstr.h"
+
+#include "video/out/vo.h"
+#include "video/csputils.h"
+
+#include "video/mp_image.h"
+
+#if HAVE_GL_COCOA
+#define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED 1
+#include <OpenGL/gl.h>
+#include <OpenGL/gl3.h>
+#include <OpenGL/glext.h>
+#else
+#include <GL/gl.h>
+#include <GL/glext.h>
+#endif
+
+#define MP_GET_GL_WORKAROUNDS
+#include "header_fixes.h"
+
+struct GL;
+typedef struct GL GL;
+
+enum {
+ MPGL_CAP_ROW_LENGTH = (1 << 4), // GL_[UN]PACK_ROW_LENGTH
+ MPGL_CAP_FB = (1 << 5),
+ MPGL_CAP_VAO = (1 << 6),
+ MPGL_CAP_FLOAT_TEX = (1 << 9),
+ MPGL_CAP_TEX_RG = (1 << 10), // GL_ARB_texture_rg / GL 3.x
+ MPGL_CAP_VDPAU = (1 << 11), // GL_NV_vdpau_interop
+ MPGL_CAP_APPLE_RGB_422 = (1 << 12), // GL_APPLE_rgb_422
+ MPGL_CAP_1D_TEX = (1 << 14),
+ MPGL_CAP_3D_TEX = (1 << 15),
+ MPGL_CAP_DEBUG = (1 << 16),
+ MPGL_CAP_SW = (1 << 30), // indirect or sw renderer
+};
+
+// E.g. 310 means 3.1
+// Code doesn't have to use the macros; they are for convenience only.
+#define MPGL_VER(major, minor) (((major) * 100) + (minor) * 10)
+#define MPGL_VER_GET_MAJOR(ver) ((unsigned)(ver) / 100)
+#define MPGL_VER_GET_MINOR(ver) ((unsigned)(ver) % 100 / 10)
+
+#define MPGL_VER_P(ver) MPGL_VER_GET_MAJOR(ver), MPGL_VER_GET_MINOR(ver)
+
+struct MPGLContext;
+
+// A backend (like X11, win32, ...), which provides OpenGL rendering.
+// This should be preferred for new code, instead of setting the callbacks
+// in MPGLContext directly.
+struct mpgl_driver {
+ const char *name;
+
+ // Size of the struct allocated for MPGLContext.priv
+ int priv_size;
+
+ // Init the GL context and possibly the underlying VO backend.
+ // The created context should be compatible to GL 3.2 core profile, but
+ // some other GL versions are supported as well (e.g. GL 2.1 or GLES 2).
+ // Return 0 on success, negative value (-1) on error.
+ int (*init)(struct MPGLContext *ctx, int vo_flags);
+
+ // Resize the window, or create a new window if there isn't one yet.
+ // Currently, there is an unfortunate interaction with ctx->vo, and
+ // display size etc. are determined by it.
+ // Return 0 on success, negative value (-1) on error.
+ int (*reconfig)(struct MPGLContext *ctx, int flags);
+
+ // Present the frame.
+ void (*swap_buffers)(struct MPGLContext *ctx);
+
+ // This behaves exactly like vo_driver.control().
+ int (*control)(struct MPGLContext *ctx, int *events, int request, void *arg);
+
+ // Destroy the GL context and possibly the underlying VO backend.
+ void (*uninit)(struct MPGLContext *ctx);
+};
+
+typedef struct MPGLContext {
+ GL *gl;
+ struct vo *vo;
+ const struct mpgl_driver *driver;
+
+ // Bit size of each component in the created framebuffer. 0 if unknown.
+ int depth_r, depth_g, depth_b;
+
+ // For free use by the mpgl_driver.
+ void *priv;
+
+ // Warning: all callbacks below are legacy. Newer code should use
+ // a mpgl_driver struct, which replaces these callbacks.
+
+ void (*swapGlBuffers)(struct MPGLContext *);
+ int (*vo_init)(struct vo *vo);
+ void (*vo_uninit)(struct vo *vo);
+ int (*vo_control)(struct vo *vo, int *events, int request, void *arg);
+ void (*releaseGlContext)(struct MPGLContext *);
+
+ // Used on windows only, tries to vsync with the DWM, and modifies SwapInterval
+ // when it does so. Returns the possibly modified swapinterval value.
+ int (*DwmFlush)(struct MPGLContext *, int opt_dwmflush,
+ int opt_swapinterval, int current_swapinterval);
+
+
+ // Resize the window, or create a new window if there isn't one yet.
+ // On the first call, it creates a GL context.
+ bool (*config_window)(struct MPGLContext *ctx, int flags);
+} MPGLContext;
+
+MPGLContext *mpgl_init(struct vo *vo, const char *backend_name, int vo_flags);
+void mpgl_uninit(MPGLContext *ctx);
+bool mpgl_reconfig_window(struct MPGLContext *ctx, int vo_flags);
+int mpgl_control(struct MPGLContext *ctx, int *events, int request, void *arg);
+void mpgl_swap_buffers(struct MPGLContext *ctx);
+
+int mpgl_find_backend(const char *name);
+
+struct m_option;
+int mpgl_validate_backend_opt(struct mp_log *log, const struct m_option *opt,
+ struct bstr name, struct bstr param);
+
+void mpgl_set_backend_cocoa(MPGLContext *ctx);
+void mpgl_set_backend_w32(MPGLContext *ctx);
+void mpgl_set_backend_wayland(MPGLContext *ctx);
+void mpgl_set_backend_rpi(MPGLContext *ctx);
+
+void mpgl_load_functions(GL *gl, void *(*getProcAddress)(const GLubyte *),
+ const char *ext2, struct mp_log *log);
+void mpgl_load_functions2(GL *gl, void *(*get_fn)(void *ctx, const char *n),
+ void *fn_ctx, const char *ext2, struct mp_log *log);
+
+typedef void (GLAPIENTRY *MP_GLDEBUGPROC)(GLenum, GLenum, GLuint, GLenum,
+ GLsizei, const GLchar *,const void *);
+
+//function pointers loaded from the OpenGL library
+struct GL {
+ int version; // MPGL_VER() mangled (e.g. 210 for 2.1)
+ int es; // es version (e.g. 300), 0 for desktop GL
+ int glsl_version; // e.g. 130 for GLSL 1.30
+ char *extensions; // Equivalent to GL_EXTENSIONS
+ int mpgl_caps; // Bitfield of MPGL_CAP_* constants
+ bool debug_context; // use of e.g. GLX_CONTEXT_DEBUG_BIT_ARB
+
+ void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
+ void (GLAPIENTRY *Clear)(GLbitfield);
+ void (GLAPIENTRY *GenTextures)(GLsizei, GLuint *);
+ void (GLAPIENTRY *DeleteTextures)(GLsizei, const GLuint *);
+ void (GLAPIENTRY *ClearColor)(GLclampf, GLclampf, GLclampf, GLclampf);
+ void (GLAPIENTRY *Enable)(GLenum);
+ void (GLAPIENTRY *Disable)(GLenum);
+ const GLubyte *(GLAPIENTRY * GetString)(GLenum);
+ void (GLAPIENTRY *DrawBuffer)(GLenum);
+ void (GLAPIENTRY *BlendFuncSeparate)(GLenum, GLenum, GLenum, GLenum);
+ void (GLAPIENTRY *Flush)(void);
+ void (GLAPIENTRY *Finish)(void);
+ void (GLAPIENTRY *PixelStorei)(GLenum, GLint);
+ void (GLAPIENTRY *TexImage1D)(GLenum, GLint, GLint, GLsizei, GLint,
+ GLenum, GLenum, const GLvoid *);
+ void (GLAPIENTRY *TexImage2D)(GLenum, GLint, GLint, GLsizei, GLsizei,
+ GLint, GLenum, GLenum, const GLvoid *);
+ void (GLAPIENTRY *TexSubImage2D)(GLenum, GLint, GLint, GLint,
+ GLsizei, GLsizei, GLenum, GLenum,
+ const GLvoid *);
+ void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint);
+ void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *);
+ void (GLAPIENTRY *ReadPixels)(GLint, GLint, GLsizei, GLsizei, GLenum,
+ GLenum, GLvoid *);
+ void (GLAPIENTRY *ReadBuffer)(GLenum);
+ void (GLAPIENTRY *DrawArrays)(GLenum, GLint, GLsizei);
+ GLenum (GLAPIENTRY *GetError)(void);
+ void (GLAPIENTRY *GetTexLevelParameteriv)(GLenum, GLint, GLenum, GLint *);
+
+ void (GLAPIENTRY *GenBuffers)(GLsizei, GLuint *);
+ void (GLAPIENTRY *DeleteBuffers)(GLsizei, const GLuint *);
+ void (GLAPIENTRY *BindBuffer)(GLenum, GLuint);
+ GLvoid * (GLAPIENTRY * MapBuffer)(GLenum, GLenum);
+ GLboolean (GLAPIENTRY *UnmapBuffer)(GLenum);
+ void (GLAPIENTRY *BufferData)(GLenum, intptr_t, const GLvoid *, GLenum);
+ void (GLAPIENTRY *ActiveTexture)(GLenum);
+ void (GLAPIENTRY *BindTexture)(GLenum, GLuint);
+ int (GLAPIENTRY *SwapInterval)(int);
+ void (GLAPIENTRY *TexImage3D)(GLenum, GLint, GLenum, GLsizei, GLsizei,
+ GLsizei, GLint, GLenum, GLenum,
+ const GLvoid *);
+
+ void (GLAPIENTRY *GenVertexArrays)(GLsizei, GLuint *);
+ void (GLAPIENTRY *BindVertexArray)(GLuint);
+ GLint (GLAPIENTRY *GetAttribLocation)(GLuint, const GLchar *);
+ void (GLAPIENTRY *EnableVertexAttribArray)(GLuint);
+ void (GLAPIENTRY *DisableVertexAttribArray)(GLuint);
+ void (GLAPIENTRY *VertexAttribPointer)(GLuint, GLint, GLenum, GLboolean,
+ GLsizei, const GLvoid *);
+ void (GLAPIENTRY *DeleteVertexArrays)(GLsizei, const GLuint *);
+ void (GLAPIENTRY *UseProgram)(GLuint);
+ GLint (GLAPIENTRY *GetUniformLocation)(GLuint, const GLchar *);
+ void (GLAPIENTRY *CompileShader)(GLuint);
+ GLuint (GLAPIENTRY *CreateProgram)(void);
+ GLuint (GLAPIENTRY *CreateShader)(GLenum);
+ void (GLAPIENTRY *ShaderSource)(GLuint, GLsizei, const GLchar **,
+ const GLint *);
+ void (GLAPIENTRY *LinkProgram)(GLuint);
+ void (GLAPIENTRY *AttachShader)(GLuint, GLuint);
+ void (GLAPIENTRY *DeleteShader)(GLuint);
+ void (GLAPIENTRY *DeleteProgram)(GLuint);
+ void (GLAPIENTRY *GetShaderInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
+ void (GLAPIENTRY *GetShaderiv)(GLuint, GLenum, GLint *);
+ void (GLAPIENTRY *GetProgramInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
+ void (GLAPIENTRY *GetProgramiv)(GLenum, GLenum, GLint *);
+ const GLubyte* (GLAPIENTRY *GetStringi)(GLenum, GLuint);
+ void (GLAPIENTRY *BindAttribLocation)(GLuint, GLuint, const GLchar *);
+ void (GLAPIENTRY *BindFramebuffer)(GLenum, GLuint);
+ void (GLAPIENTRY *GenFramebuffers)(GLsizei, GLuint *);
+ void (GLAPIENTRY *DeleteFramebuffers)(GLsizei, const GLuint *);
+ GLenum (GLAPIENTRY *CheckFramebufferStatus)(GLenum);
+ void (GLAPIENTRY *FramebufferTexture2D)(GLenum, GLenum, GLenum, GLuint,
+ GLint);
+
+ void (GLAPIENTRY *Uniform1f)(GLint, GLfloat);
+ void (GLAPIENTRY *Uniform2f)(GLint, GLfloat, GLfloat);
+ void (GLAPIENTRY *Uniform3f)(GLint, GLfloat, GLfloat, GLfloat);
+ void (GLAPIENTRY *Uniform4f)(GLint, GLfloat, GLfloat, GLfloat, GLfloat);
+ void (GLAPIENTRY *Uniform1i)(GLint, GLint);
+ void (GLAPIENTRY *UniformMatrix2fv)(GLint, GLsizei, GLboolean,
+ const GLfloat *);
+ void (GLAPIENTRY *UniformMatrix3fv)(GLint, GLsizei, GLboolean,
+ const GLfloat *);
+
+ void (GLAPIENTRY *VDPAUInitNV)(const GLvoid *, const GLvoid *);
+ void (GLAPIENTRY *VDPAUFiniNV)(void);
+ GLvdpauSurfaceNV (GLAPIENTRY *VDPAURegisterOutputSurfaceNV)
+ (GLvoid *, GLenum, GLsizei, const GLuint *);
+ void (GLAPIENTRY *VDPAUUnregisterSurfaceNV)(GLvdpauSurfaceNV);
+ void (GLAPIENTRY *VDPAUSurfaceAccessNV)(GLvdpauSurfaceNV, GLenum);
+ void (GLAPIENTRY *VDPAUMapSurfacesNV)(GLsizei, const GLvdpauSurfaceNV *);
+ void (GLAPIENTRY *VDPAUUnmapSurfacesNV)(GLsizei, const GLvdpauSurfaceNV *);
+
+ GLint (GLAPIENTRY *GetVideoSync)(GLuint *);
+ GLint (GLAPIENTRY *WaitVideoSync)(GLint, GLint, unsigned int *);
+
+ void (GLAPIENTRY *DebugMessageCallback)(MP_GLDEBUGPROC callback,
+ const void *userParam);
+
+ void *(GLAPIENTRY *MPGetD3DInterface)(const char *name);
+};
+
+#endif /* MPLAYER_GL_COMMON_H */