mirror of
https://github.com/mpv-player/mpv
synced 2025-01-10 00:49:32 +00:00
f8e62d3d82
The EGL stuff is really complicated because of historical reasons (tl;dr: blame EGL). There was one edge case with EGL context creation that lead to incorrect behavior. EGL_KHR_create_context was created with EGL 1.4 (which mpv does support) but it is still possible for an EGL 1.4 device to not implement this extension. That means that none of the EGL attrs that pass a specific opengl version work. So for this obscure case, there is a fallback context creation at the very end which simply creates an EGLContext without passing any special attrs. This has another problem however. mpv has a hard requirement on at least desktop opengl 2.1 or opengl ES 2.0 to function (we're not asking for much here). Since the fallback EGL context creation has no version checking, it is entirely possible to create an EGL context with a desktop opengl version under 2.1. As you get further along in the code, the user will encounter the hard opengl version check and then error out. However, we're supposed to also actually check if GLES works (that's what the opengl-es=auto option is for) so this is a bug. The fix is to do a bit of code duplication and make a mpgl_check_version specifically for if we hit the edge case of needing to create an EGL context without the EGL_KHR_create_context extension. Grab the version with the function pointer, check if it's under 210, if so destroy the EGL context and set it to NULL. After that, if the user has set opengl-es to auto, mpv will try GLES next. If it is set to no, then mpv will simply fail as desired. Fixes #5915. Sidenote: the ra_gl_ctx_test_version originally testing 140 doesn't make any sense. Passing the version number in that function only does something if the user has set opengl-restrict. What we need to do is to pass the version of the created context to that function. If the version is higher than the opengl-restrict option, then make this a failure.
251 lines
12 KiB
C
251 lines
12 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MPLAYER_GL_COMMON_H
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#define MPLAYER_GL_COMMON_H
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#include <stdio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "config.h"
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#include "common/msg.h"
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#include "misc/bstr.h"
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#include "video/csputils.h"
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#include "video/mp_image.h"
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#include "video/out/vo.h"
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#include "video/out/gpu/ra.h"
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#include "gl_headers.h"
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#if HAVE_GL_WIN32
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#include <windows.h>
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#endif
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struct GL;
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typedef struct GL GL;
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enum {
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MPGL_CAP_ROW_LENGTH = (1 << 4), // GL_[UN]PACK_ROW_LENGTH
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MPGL_CAP_FB = (1 << 5),
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MPGL_CAP_VAO = (1 << 6),
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MPGL_CAP_TEX_RG = (1 << 10), // GL_ARB_texture_rg / GL 3.x
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MPGL_CAP_VDPAU = (1 << 11), // GL_NV_vdpau_interop
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MPGL_CAP_APPLE_RGB_422 = (1 << 12), // GL_APPLE_rgb_422
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MPGL_CAP_1D_TEX = (1 << 14),
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MPGL_CAP_3D_TEX = (1 << 15),
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MPGL_CAP_DEBUG = (1 << 16),
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MPGL_CAP_DXINTEROP = (1 << 17), // WGL_NV_DX_interop
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MPGL_CAP_EXT16 = (1 << 18), // GL_EXT_texture_norm16
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MPGL_CAP_ARB_FLOAT = (1 << 19), // GL_ARB_texture_float
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MPGL_CAP_EXT_CR_HFLOAT = (1 << 20), // GL_EXT_color_buffer_half_float
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MPGL_CAP_UBO = (1 << 21), // GL_ARB_uniform_buffer_object
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MPGL_CAP_SSBO = (1 << 22), // GL_ARB_shader_storage_buffer_object
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MPGL_CAP_COMPUTE_SHADER = (1 << 23), // GL_ARB_compute_shader & GL_ARB_shader_image_load_store
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MPGL_CAP_NESTED_ARRAY = (1 << 24), // GL_ARB_arrays_of_arrays
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MPGL_CAP_SW = (1 << 30), // indirect or sw renderer
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};
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// E.g. 310 means 3.1
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// Code doesn't have to use the macros; they are for convenience only.
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#define MPGL_VER(major, minor) (((major) * 100) + (minor) * 10)
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#define MPGL_VER_GET_MAJOR(ver) ((unsigned)(ver) / 100)
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#define MPGL_VER_GET_MINOR(ver) ((unsigned)(ver) % 100 / 10)
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#define MPGL_VER_P(ver) MPGL_VER_GET_MAJOR(ver), MPGL_VER_GET_MINOR(ver)
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void mpgl_check_version(GL *gl, void *(*get_fn)(void *ctx, const char *n),
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void *fn_ctx);
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void mpgl_load_functions(GL *gl, void *(*getProcAddress)(const GLubyte *),
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const char *ext2, struct mp_log *log);
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void mpgl_load_functions2(GL *gl, void *(*get_fn)(void *ctx, const char *n),
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void *fn_ctx, const char *ext2, struct mp_log *log);
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typedef void (GLAPIENTRY *MP_GLDEBUGPROC)(GLenum, GLenum, GLuint, GLenum,
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GLsizei, const GLchar *,const void *);
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//function pointers loaded from the OpenGL library
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struct GL {
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int version; // MPGL_VER() mangled (e.g. 210 for 2.1)
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int es; // es version (e.g. 300), 0 for desktop GL
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int glsl_version; // e.g. 130 for GLSL 1.30
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char *extensions; // Equivalent to GL_EXTENSIONS
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int mpgl_caps; // Bitfield of MPGL_CAP_* constants
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bool debug_context; // use of e.g. GLX_CONTEXT_DEBUG_BIT_ARB
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void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
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void (GLAPIENTRY *Clear)(GLbitfield);
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void (GLAPIENTRY *GenTextures)(GLsizei, GLuint *);
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void (GLAPIENTRY *DeleteTextures)(GLsizei, const GLuint *);
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void (GLAPIENTRY *ClearColor)(GLclampf, GLclampf, GLclampf, GLclampf);
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void (GLAPIENTRY *Enable)(GLenum);
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void (GLAPIENTRY *Disable)(GLenum);
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const GLubyte *(GLAPIENTRY * GetString)(GLenum);
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void (GLAPIENTRY *BlendFuncSeparate)(GLenum, GLenum, GLenum, GLenum);
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void (GLAPIENTRY *Flush)(void);
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void (GLAPIENTRY *Finish)(void);
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void (GLAPIENTRY *PixelStorei)(GLenum, GLint);
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void (GLAPIENTRY *TexImage1D)(GLenum, GLint, GLint, GLsizei, GLint,
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GLenum, GLenum, const GLvoid *);
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void (GLAPIENTRY *TexImage2D)(GLenum, GLint, GLint, GLsizei, GLsizei,
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GLint, GLenum, GLenum, const GLvoid *);
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void (GLAPIENTRY *TexSubImage2D)(GLenum, GLint, GLint, GLint,
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GLsizei, GLsizei, GLenum, GLenum,
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const GLvoid *);
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void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint);
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void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *);
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void (GLAPIENTRY *ReadPixels)(GLint, GLint, GLsizei, GLsizei, GLenum,
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GLenum, GLvoid *);
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void (GLAPIENTRY *ReadBuffer)(GLenum);
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void (GLAPIENTRY *DrawArrays)(GLenum, GLint, GLsizei);
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GLenum (GLAPIENTRY *GetError)(void);
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void (GLAPIENTRY *GetTexLevelParameteriv)(GLenum, GLint, GLenum, GLint *);
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void (GLAPIENTRY *Scissor)(GLint, GLint, GLsizei, GLsizei);
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void (GLAPIENTRY *GenBuffers)(GLsizei, GLuint *);
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void (GLAPIENTRY *DeleteBuffers)(GLsizei, const GLuint *);
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void (GLAPIENTRY *BindBuffer)(GLenum, GLuint);
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void (GLAPIENTRY *BindBufferBase)(GLenum, GLuint, GLuint);
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GLvoid * (GLAPIENTRY *MapBufferRange)(GLenum, GLintptr, GLsizeiptr,
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GLbitfield);
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GLboolean (GLAPIENTRY *UnmapBuffer)(GLenum);
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void (GLAPIENTRY *BufferData)(GLenum, intptr_t, const GLvoid *, GLenum);
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void (GLAPIENTRY *BufferSubData)(GLenum, GLintptr, GLsizeiptr, const GLvoid *);
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void (GLAPIENTRY *ActiveTexture)(GLenum);
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void (GLAPIENTRY *BindTexture)(GLenum, GLuint);
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int (GLAPIENTRY *SwapInterval)(int);
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void (GLAPIENTRY *TexImage3D)(GLenum, GLint, GLenum, GLsizei, GLsizei,
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GLsizei, GLint, GLenum, GLenum,
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const GLvoid *);
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void (GLAPIENTRY *GenVertexArrays)(GLsizei, GLuint *);
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void (GLAPIENTRY *BindVertexArray)(GLuint);
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GLint (GLAPIENTRY *GetAttribLocation)(GLuint, const GLchar *);
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void (GLAPIENTRY *EnableVertexAttribArray)(GLuint);
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void (GLAPIENTRY *DisableVertexAttribArray)(GLuint);
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void (GLAPIENTRY *VertexAttribPointer)(GLuint, GLint, GLenum, GLboolean,
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GLsizei, const GLvoid *);
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void (GLAPIENTRY *DeleteVertexArrays)(GLsizei, const GLuint *);
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void (GLAPIENTRY *UseProgram)(GLuint);
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GLint (GLAPIENTRY *GetUniformLocation)(GLuint, const GLchar *);
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void (GLAPIENTRY *CompileShader)(GLuint);
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GLuint (GLAPIENTRY *CreateProgram)(void);
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GLuint (GLAPIENTRY *CreateShader)(GLenum);
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void (GLAPIENTRY *ShaderSource)(GLuint, GLsizei, const GLchar **,
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const GLint *);
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void (GLAPIENTRY *LinkProgram)(GLuint);
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void (GLAPIENTRY *AttachShader)(GLuint, GLuint);
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void (GLAPIENTRY *DeleteShader)(GLuint);
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void (GLAPIENTRY *DeleteProgram)(GLuint);
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void (GLAPIENTRY *GetShaderInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
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void (GLAPIENTRY *GetShaderiv)(GLuint, GLenum, GLint *);
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void (GLAPIENTRY *GetProgramInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
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void (GLAPIENTRY *GetProgramiv)(GLenum, GLenum, GLint *);
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void (GLAPIENTRY *GetProgramBinary)(GLuint, GLsizei, GLsizei *, GLenum *,
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void *);
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void (GLAPIENTRY *ProgramBinary)(GLuint, GLenum, const void *, GLsizei);
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void (GLAPIENTRY *DispatchCompute)(GLuint, GLuint, GLuint);
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void (GLAPIENTRY *BindImageTexture)(GLuint, GLuint, GLint, GLboolean,
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GLint, GLenum, GLenum);
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void (GLAPIENTRY *MemoryBarrier)(GLbitfield);
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const GLubyte* (GLAPIENTRY *GetStringi)(GLenum, GLuint);
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void (GLAPIENTRY *BindAttribLocation)(GLuint, GLuint, const GLchar *);
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void (GLAPIENTRY *BindFramebuffer)(GLenum, GLuint);
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void (GLAPIENTRY *GenFramebuffers)(GLsizei, GLuint *);
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void (GLAPIENTRY *DeleteFramebuffers)(GLsizei, const GLuint *);
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GLenum (GLAPIENTRY *CheckFramebufferStatus)(GLenum);
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void (GLAPIENTRY *FramebufferTexture2D)(GLenum, GLenum, GLenum, GLuint,
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GLint);
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void (GLAPIENTRY *BlitFramebuffer)(GLint, GLint, GLint, GLint, GLint, GLint,
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GLint, GLint, GLbitfield, GLenum);
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void (GLAPIENTRY *GetFramebufferAttachmentParameteriv)(GLenum, GLenum,
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GLenum, GLint *);
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void (GLAPIENTRY *Uniform1f)(GLint, GLfloat);
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void (GLAPIENTRY *Uniform2f)(GLint, GLfloat, GLfloat);
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void (GLAPIENTRY *Uniform3f)(GLint, GLfloat, GLfloat, GLfloat);
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void (GLAPIENTRY *Uniform4f)(GLint, GLfloat, GLfloat, GLfloat, GLfloat);
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void (GLAPIENTRY *Uniform1i)(GLint, GLint);
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void (GLAPIENTRY *UniformMatrix2fv)(GLint, GLsizei, GLboolean,
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const GLfloat *);
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void (GLAPIENTRY *UniformMatrix3fv)(GLint, GLsizei, GLboolean,
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const GLfloat *);
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void (GLAPIENTRY *InvalidateTexImage)(GLuint, GLint);
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void (GLAPIENTRY *InvalidateFramebuffer)(GLenum, GLsizei, const GLenum *);
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GLsync (GLAPIENTRY *FenceSync)(GLenum, GLbitfield);
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GLenum (GLAPIENTRY *ClientWaitSync)(GLsync, GLbitfield, GLuint64);
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void (GLAPIENTRY *DeleteSync)(GLsync sync);
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void (GLAPIENTRY *BufferStorage)(GLenum, intptr_t, const GLvoid *, GLenum);
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void (GLAPIENTRY *GenQueries)(GLsizei, GLuint *);
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void (GLAPIENTRY *DeleteQueries)(GLsizei, const GLuint *);
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void (GLAPIENTRY *BeginQuery)(GLenum, GLuint);
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void (GLAPIENTRY *EndQuery)(GLenum);
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void (GLAPIENTRY *QueryCounter)(GLuint, GLenum);
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GLboolean (GLAPIENTRY *IsQuery)(GLuint);
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void (GLAPIENTRY *GetQueryObjectiv)(GLuint, GLenum, GLint *);
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void (GLAPIENTRY *GetQueryObjecti64v)(GLuint, GLenum, GLint64 *);
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void (GLAPIENTRY *GetQueryObjectuiv)(GLuint, GLenum, GLuint *);
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void (GLAPIENTRY *GetQueryObjectui64v)(GLuint, GLenum, GLuint64 *);
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void (GLAPIENTRY *VDPAUInitNV)(const GLvoid *, const GLvoid *);
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void (GLAPIENTRY *VDPAUFiniNV)(void);
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GLvdpauSurfaceNV (GLAPIENTRY *VDPAURegisterOutputSurfaceNV)
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(GLvoid *, GLenum, GLsizei, const GLuint *);
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GLvdpauSurfaceNV (GLAPIENTRY *VDPAURegisterVideoSurfaceNV)
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(GLvoid *, GLenum, GLsizei, const GLuint *);
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void (GLAPIENTRY *VDPAUUnregisterSurfaceNV)(GLvdpauSurfaceNV);
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void (GLAPIENTRY *VDPAUSurfaceAccessNV)(GLvdpauSurfaceNV, GLenum);
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void (GLAPIENTRY *VDPAUMapSurfacesNV)(GLsizei, const GLvdpauSurfaceNV *);
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void (GLAPIENTRY *VDPAUUnmapSurfacesNV)(GLsizei, const GLvdpauSurfaceNV *);
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#if HAVE_GL_WIN32
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// The HANDLE type might not be present on non-Win32
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BOOL (GLAPIENTRY *DXSetResourceShareHandleNV)(void *dxObject,
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HANDLE shareHandle);
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HANDLE (GLAPIENTRY *DXOpenDeviceNV)(void *dxDevice);
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BOOL (GLAPIENTRY *DXCloseDeviceNV)(HANDLE hDevice);
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HANDLE (GLAPIENTRY *DXRegisterObjectNV)(HANDLE hDevice, void *dxObject,
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GLuint name, GLenum type, GLenum access);
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BOOL (GLAPIENTRY *DXUnregisterObjectNV)(HANDLE hDevice, HANDLE hObject);
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BOOL (GLAPIENTRY *DXLockObjectsNV)(HANDLE hDevice, GLint count,
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HANDLE *hObjects);
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BOOL (GLAPIENTRY *DXUnlockObjectsNV)(HANDLE hDevice, GLint count,
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HANDLE *hObjects);
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#endif
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GLint (GLAPIENTRY *GetVideoSync)(GLuint *);
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GLint (GLAPIENTRY *WaitVideoSync)(GLint, GLint, unsigned int *);
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void (GLAPIENTRY *GetTranslatedShaderSourceANGLE)(GLuint, GLsizei,
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GLsizei*, GLchar* source);
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void (GLAPIENTRY *DebugMessageCallback)(MP_GLDEBUGPROC callback,
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const void *userParam);
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void *(GLAPIENTRY *MPGetNativeDisplay)(const char *name);
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};
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#endif /* MPLAYER_GL_COMMON_H */
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