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mpv/video/out/gl_common.h

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/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 "config.h"
#include "core/mp_msg.h"
#include "vo.h"
#include "video/csputils.h"
#include "video/mp_image.h"
#if defined(CONFIG_GL_COCOA) && !defined(CONFIG_GL_X11)
#ifdef GL_VERSION_3_0
#include <OpenGL/gl3.h>
#else
#include <OpenGL/gl.h>
#endif
#include <OpenGL/glext.h>
#else
#include <GL/gl.h>
#include <GL/glext.h>
#endif
#define MP_GET_GL_WORKAROUNDS
#include "video/out/gl_header_fixes.h"
struct GL;
typedef struct GL GL;
void glAdjustAlignment(GL *gl, int stride);
int glFmt2bpp(GLenum format, GLenum type);
void glUploadTex(GL *gl, GLenum target, GLenum format, GLenum type,
const void *dataptr, int stride,
int x, int y, int w, int h, int slice);
void glClearTex(GL *gl, GLenum target, GLenum format, GLenum type,
int x, int y, int w, int h, uint8_t val, void **scratch);
void glDownloadTex(GL *gl, GLenum target, GLenum format, GLenum type,
void *dataptr, int stride);
void glCheckError(GL *gl, const char *info);
mp_image_t *glGetWindowScreenshot(GL *gl);
#define GL_3D_RED_CYAN 1
#define GL_3D_GREEN_MAGENTA 2
#define GL_3D_QUADBUFFER 3
void glEnable3DLeft(GL *gl, int type);
void glEnable3DRight(GL *gl, int type);
void glDisable3D(GL *gl, int type);
enum MPGLType {
GLTYPE_AUTO,
GLTYPE_COCOA,
GLTYPE_W32,
GLTYPE_X11,
GLTYPE_WAYLAND,
};
enum {
MPGL_CAP_GL = (1 << 0), // GL was successfully loaded
MPGL_CAP_GL_LEGACY = (1 << 1), // GL 1.1 (but not 3.x)
MPGL_CAP_GL2 = (1 << 2), // GL 2.0 (3.x core subset)
MPGL_CAP_GL21 = (1 << 3), // GL 2.1 (3.x core subset)
MPGL_CAP_GL3 = (1 << 4), // GL 3.x core
MPGL_CAP_FB = (1 << 5),
MPGL_CAP_VAO = (1 << 6),
MPGL_CAP_SRGB_TEX = (1 << 7),
MPGL_CAP_SRGB_FB = (1 << 8),
MPGL_CAP_FLOAT_TEX = (1 << 9),
MPGL_CAP_TEX_RG = (1 << 10), // GL_ARB_texture_rg / GL 3.x
MPGL_CAP_NO_SW = (1 << 30), // used to block sw. renderers
};
#define MPGL_VER(major, minor) (((major) << 16) | (minor))
#define MPGL_VER_GET_MAJOR(ver) ((ver) >> 16)
#define MPGL_VER_GET_MINOR(ver) ((ver) & ((1 << 16) - 1))
#define MPGL_VER_P(ver) MPGL_VER_GET_MAJOR(ver), MPGL_VER_GET_MINOR(ver)
typedef struct MPGLContext {
GL *gl;
enum MPGLType type;
struct vo *vo;
// Bit size of each component in the created framebuffer. 0 if unknown.
int depth_r, depth_g, depth_b;
// GL version requested from config_window_gl3 backend (MPGL_VER mangled).
// (Might be different from the actual version in gl->version.)
int requested_gl_version;
void (*swapGlBuffers)(struct MPGLContext *);
int (*check_events)(struct vo *vo);
void (*fullscreen)(struct vo *vo);
int (*vo_init)(struct vo *vo);
void (*vo_uninit)(struct vo *vo);
void (*releaseGlContext)(struct MPGLContext *);
// Resize the window, or create a new window if there isn't one yet.
// On the first call, it creates a GL context according to what's specified
// in MPGLContext.requested_gl_version. This is just a hint, and if the
// requested version is not available, it may return a completely different
// GL context. (The caller must check if the created GL version is ok. The
// callee must try to fall back to an older version if the requested
// version is not available, and newer versions are incompatible.)
bool (*config_window)(struct MPGLContext *ctx, uint32_t d_width,
uint32_t d_height, uint32_t flags);
// optional
void (*pause)(struct vo *vo);
void (*resume)(struct vo *vo);
void (*ontop)(struct vo *vo);
void (*border)(struct vo *vo);
void (*update_xinerama_info)(struct vo *vo);
// For free use by the backend.
void *priv;
} MPGLContext;
int mpgl_find_backend(const char *name);
MPGLContext *mpgl_init(enum MPGLType type, struct vo *vo);
void mpgl_uninit(MPGLContext *ctx);
// Create a VO window and create a GL context on it.
// (Calls config_window_gl3 or config_window+setGlWindow.)
// gl_caps: bitfield of MPGL_CAP_* (required GL version and feature set)
// flags: passed to the backend's create window function
// Returns success.
bool mpgl_config_window(struct MPGLContext *ctx, int gl_caps, uint32_t d_width,
uint32_t d_height, uint32_t flags);
// print a multi line string with line numbers (e.g. for shader sources)
// mod, lev: module and log level, as in mp_msg()
void mp_log_source(int mod, int lev, const char *src);
//function pointers loaded from the OpenGL library
struct GL {
int version; // MPGL_VER() mangled
int glsl_version; // e.g. 130 for GLSL 1.30
char *extensions; // Equivalent to GL_EXTENSIONS
int mpgl_caps; // Bitfield of MPGL_CAP_* constants
void (GLAPIENTRY *Begin)(GLenum);
void (GLAPIENTRY *End)(void);
void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
void (GLAPIENTRY *MatrixMode)(GLenum);
void (GLAPIENTRY *LoadIdentity)(void);
void (GLAPIENTRY *Translated)(double, double, double);
void (GLAPIENTRY *Scaled)(double, double, double);
void (GLAPIENTRY *Ortho)(double, double, double, double, double,double);
void (GLAPIENTRY *PushMatrix)(void);
void (GLAPIENTRY *PopMatrix)(void);
void (GLAPIENTRY *Clear)(GLbitfield);
GLuint (GLAPIENTRY *GenLists)(GLsizei);
void (GLAPIENTRY *DeleteLists)(GLuint, GLsizei);
void (GLAPIENTRY *NewList)(GLuint, GLenum);
void (GLAPIENTRY *EndList)(void);
void (GLAPIENTRY *CallList)(GLuint);
void (GLAPIENTRY *CallLists)(GLsizei, GLenum, const GLvoid *);
void (GLAPIENTRY *GenTextures)(GLsizei, GLuint *);
void (GLAPIENTRY *DeleteTextures)(GLsizei, const GLuint *);
void (GLAPIENTRY *TexEnvi)(GLenum, GLenum, GLint);
void (GLAPIENTRY *Color4ub)(GLubyte, GLubyte, GLubyte, GLubyte);
void (GLAPIENTRY *Color4f)(GLfloat, GLfloat, GLfloat, GLfloat);
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 *DepthMask)(GLboolean);
void (GLAPIENTRY *BlendFunc)(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 *GetTexImage)(GLenum, GLint, GLenum, GLenum, GLvoid *);
void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint);
void (GLAPIENTRY *TexParameterf)(GLenum, GLenum, GLfloat);
void (GLAPIENTRY *TexParameterfv)(GLenum, GLenum, const GLfloat *);
void (GLAPIENTRY *TexCoord2f)(GLfloat, GLfloat);
void (GLAPIENTRY *TexCoord2fv)(const GLfloat *);
void (GLAPIENTRY *Vertex2f)(GLfloat, GLfloat);
void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *);
void (GLAPIENTRY *GetBooleanv)(GLenum, GLboolean *);
void (GLAPIENTRY *ColorMask)(GLboolean, GLboolean, GLboolean, GLboolean);
void (GLAPIENTRY *ReadPixels)(GLint, GLint, GLsizei, GLsizei, GLenum,
GLenum, GLvoid *);
void (GLAPIENTRY *ReadBuffer)(GLenum);
void (GLAPIENTRY *VertexPointer)(GLint, GLenum, GLsizei, const GLvoid *);
void (GLAPIENTRY *ColorPointer)(GLint, GLenum, GLsizei, const GLvoid *);
void (GLAPIENTRY *TexCoordPointer)(GLint, GLenum, GLsizei, const GLvoid *);
void (GLAPIENTRY *DrawArrays)(GLenum, GLint, GLsizei);
void (GLAPIENTRY *EnableClientState)(GLenum);
void (GLAPIENTRY *DisableClientState)(GLenum);
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);
void (GLAPIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
void (GLAPIENTRY *GenPrograms)(GLsizei, GLuint *);
void (GLAPIENTRY *DeletePrograms)(GLsizei, const GLuint *);
void (GLAPIENTRY *BindProgram)(GLenum, GLuint);
void (GLAPIENTRY *ProgramString)(GLenum, GLenum, GLsizei, const GLvoid *);
void (GLAPIENTRY *GetProgramivARB)(GLenum, GLenum, GLint *);
void (GLAPIENTRY *ProgramEnvParameter4f)(GLenum, GLuint, GLfloat, GLfloat,
GLfloat, GLfloat);
int (GLAPIENTRY *SwapInterval)(int);
void (GLAPIENTRY *TexImage3D)(GLenum, GLint, GLenum, GLsizei, GLsizei,
GLsizei, GLint, GLenum, GLenum,
const GLvoid *);
void (GLAPIENTRY *BeginFragmentShader)(void);
void (GLAPIENTRY *EndFragmentShader)(void);
void (GLAPIENTRY *SampleMap)(GLuint, GLuint, GLenum);
void (GLAPIENTRY *ColorFragmentOp2)(GLenum, GLuint, GLuint, GLuint, GLuint,
GLuint, GLuint, GLuint, GLuint, GLuint);
void (GLAPIENTRY *ColorFragmentOp3)(GLenum, GLuint, GLuint, GLuint, GLuint,
GLuint, GLuint, GLuint, GLuint, GLuint,
GLuint, GLuint, GLuint);
void (GLAPIENTRY *SetFragmentShaderConstant)(GLuint, const GLfloat *);
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 *UniformMatrix3fv)(GLint, GLsizei, GLboolean,
const GLfloat *);
void (GLAPIENTRY *UniformMatrix4x3fv)(GLint, GLsizei, GLboolean,
const GLfloat *);
};
#endif /* MPLAYER_GL_COMMON_H */
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