mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 14:52:43 +00:00
371 lines
17 KiB
C
371 lines
17 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* You can alternatively redistribute this file 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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#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 "mpvcore/mp_msg.h"
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#include "mpvcore/bstr.h"
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#include "vo.h"
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#include "video/csputils.h"
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#include "video/mp_image.h"
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#if HAVE_GL_COCOA
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#ifdef GL_VERSION_3_0
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#include <OpenGL/gl3.h>
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#else
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#include <OpenGL/gl.h>
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#endif
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#include <OpenGL/glext.h>
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#else
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#include <GL/gl.h>
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#include <GL/glext.h>
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#endif
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#define MP_GET_GL_WORKAROUNDS
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#include "video/out/gl_header_fixes.h"
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struct GL;
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typedef struct GL GL;
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void glAdjustAlignment(GL *gl, int stride);
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int glFmt2bpp(GLenum format, GLenum type);
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void glUploadTex(GL *gl, GLenum target, GLenum format, GLenum type,
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const void *dataptr, int stride,
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int x, int y, int w, int h, int slice);
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void glClearTex(GL *gl, GLenum target, GLenum format, GLenum type,
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int x, int y, int w, int h, uint8_t val, void **scratch);
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void glDownloadTex(GL *gl, GLenum target, GLenum format, GLenum type,
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void *dataptr, int stride);
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void glCheckError(GL *gl, struct mp_log *log, const char *info);
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mp_image_t *glGetWindowScreenshot(GL *gl);
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#define GL_3D_RED_CYAN 1
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#define GL_3D_GREEN_MAGENTA 2
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#define GL_3D_QUADBUFFER 3
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void glEnable3DLeft(GL *gl, int type);
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void glEnable3DRight(GL *gl, int type);
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void glDisable3D(GL *gl, int type);
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enum {
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MPGL_CAP_GL = (1 << 0), // GL was successfully loaded
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MPGL_CAP_GL_LEGACY = (1 << 1), // GL 1.1 (but not 3.x)
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MPGL_CAP_GL2 = (1 << 2), // GL 2.0 (3.x core subset)
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MPGL_CAP_GL21 = (1 << 3), // GL 2.1 (3.x core subset)
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MPGL_CAP_GL3 = (1 << 4), // GL 3.x core
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MPGL_CAP_FB = (1 << 5),
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MPGL_CAP_VAO = (1 << 6),
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MPGL_CAP_SRGB_TEX = (1 << 7),
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MPGL_CAP_SRGB_FB = (1 << 8),
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MPGL_CAP_FLOAT_TEX = (1 << 9),
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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_NO_SW = (1 << 30), // used to block sw. renderers
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};
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#define MPGL_VER(major, minor) (((major) << 16) | (minor))
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#define MPGL_VER_GET_MAJOR(ver) ((ver) >> 16)
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#define MPGL_VER_GET_MINOR(ver) ((ver) & ((1 << 16) - 1))
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#define MPGL_VER_P(ver) MPGL_VER_GET_MAJOR(ver), MPGL_VER_GET_MINOR(ver)
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typedef struct MPGLContext {
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GL *gl;
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struct vo *vo;
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// Bit size of each component in the created framebuffer. 0 if unknown.
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int depth_r, depth_g, depth_b;
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// GL version requested from config_window_gl3 backend (MPGL_VER mangled).
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// (Might be different from the actual version in gl->version.)
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int requested_gl_version;
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void (*swapGlBuffers)(struct MPGLContext *);
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int (*vo_init)(struct vo *vo);
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void (*vo_uninit)(struct vo *vo);
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int (*vo_control)(struct vo *vo, int *events, int request, void *arg);
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void (*releaseGlContext)(struct MPGLContext *);
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void (*set_current)(struct MPGLContext *, bool current);
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// Resize the window, or create a new window if there isn't one yet.
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// On the first call, it creates a GL context according to what's specified
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// in MPGLContext.requested_gl_version. This is just a hint, and if the
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// requested version is not available, it may return a completely different
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// GL context. (The caller must check if the created GL version is ok. The
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// callee must try to fall back to an older version if the requested
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// version is not available, and newer versions are incompatible.)
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bool (*config_window)(struct MPGLContext *ctx, uint32_t d_width,
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uint32_t d_height, uint32_t flags);
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// An optional function to register a resize callback in the backend that
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// can be called on separate thread to handle resize events immediately
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// (without waiting for vo_check_events, which will come later for the
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// proper resize)
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void (*register_resize_callback)(struct vo *vo,
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void (*cb)(struct vo *vo, int w, int h));
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// For free use by the backend.
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void *priv;
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} MPGLContext;
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MPGLContext *mpgl_init(struct vo *vo, const char *backend_name);
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void mpgl_uninit(MPGLContext *ctx);
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void mpgl_lock(MPGLContext *ctx);
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void mpgl_unlock(MPGLContext *ctx);
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void mpgl_set_context(MPGLContext *ctx);
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void mpgl_unset_context(MPGLContext *ctx);
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bool mpgl_is_thread_safe(MPGLContext *ctx);
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// Create a VO window and create a GL context on it.
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// (Calls config_window_gl3 or config_window+setGlWindow.)
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// gl_caps: bitfield of MPGL_CAP_* (required GL version and feature set)
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// flags: passed to the backend's create window function
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// Returns success.
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bool mpgl_config_window(struct MPGLContext *ctx, int gl_caps, uint32_t d_width,
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uint32_t d_height, uint32_t flags);
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int mpgl_find_backend(const char *name);
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struct m_option;
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int mpgl_validate_backend_opt(const struct m_option *opt, struct bstr name,
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struct bstr param);
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void mpgl_set_backend_cocoa(MPGLContext *ctx);
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void mpgl_set_backend_w32(MPGLContext *ctx);
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void mpgl_set_backend_x11(MPGLContext *ctx);
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void mpgl_set_backend_wayland(MPGLContext *ctx);
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struct mp_hwdec_info;
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struct gl_hwdec {
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const struct gl_hwdec_driver *driver;
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struct mp_log *log;
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struct MPGLContext *mpgl;
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struct mp_hwdec_info *info;
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// For free use by hwdec driver
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void *priv;
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// hwdec backends must set this to an IMGFMT_ that has an equivalent
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// internal representation in gl_video.c as the hardware texture.
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// It's used to build the rendering chain, and also as screenshot format.
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int converted_imgfmt;
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};
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struct gl_hwdec_driver {
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// Same name as used by mp_hwdec_info->load_api()
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const char *api_name;
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// Test whether the given IMGFMT_ is supported.
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bool (*query_format)(int imgfmt);
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// Create the hwdec device. It must fill in hw->info, if applicable.
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// This also must set hw->converted_imgfmt.
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int (*create)(struct gl_hwdec *hw);
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// Prepare for rendering video. (E.g. create textures.)
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// Called on initialization, and every time the video size changes.
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int (*reinit)(struct gl_hwdec *hw, const struct mp_image_params *params);
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// Return textures that contain the given hw_image.
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// Note that the caller keeps a reference to hw_image until unmap_image
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// is called, so the hwdec driver doesn't need to do that.
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int (*map_image)(struct gl_hwdec *hw, struct mp_image *hw_image,
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GLuint *out_textures);
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// Undo map_image(). The user of map_image() calls this when the textures
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// are not needed anymore.
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void (*unmap_image)(struct gl_hwdec *hw);
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void (*destroy)(struct gl_hwdec *hw);
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};
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extern const struct gl_hwdec_driver *mpgl_hwdec_drivers[];
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void *mp_getdladdr(const char *s);
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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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// print a multi line string with line numbers (e.g. for shader sources)
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// log, lev: module and log level, as in mp_msg()
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void mp_log_source(struct mp_log *log, int lev, const char *src);
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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
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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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void (GLAPIENTRY *Begin)(GLenum);
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void (GLAPIENTRY *End)(void);
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void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
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void (GLAPIENTRY *MatrixMode)(GLenum);
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void (GLAPIENTRY *LoadIdentity)(void);
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void (GLAPIENTRY *Translated)(double, double, double);
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void (GLAPIENTRY *Scaled)(double, double, double);
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void (GLAPIENTRY *Ortho)(double, double, double, double, double,double);
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void (GLAPIENTRY *PushMatrix)(void);
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void (GLAPIENTRY *PopMatrix)(void);
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void (GLAPIENTRY *Clear)(GLbitfield);
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GLuint (GLAPIENTRY *GenLists)(GLsizei);
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void (GLAPIENTRY *DeleteLists)(GLuint, GLsizei);
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void (GLAPIENTRY *NewList)(GLuint, GLenum);
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void (GLAPIENTRY *EndList)(void);
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void (GLAPIENTRY *CallList)(GLuint);
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void (GLAPIENTRY *CallLists)(GLsizei, GLenum, const GLvoid *);
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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 *TexEnvi)(GLenum, GLenum, GLint);
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void (GLAPIENTRY *Color4ub)(GLubyte, GLubyte, GLubyte, GLubyte);
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void (GLAPIENTRY *Color4f)(GLfloat, GLfloat, GLfloat, GLfloat);
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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 *DrawBuffer)(GLenum);
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void (GLAPIENTRY *DepthMask)(GLboolean);
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void (GLAPIENTRY *BlendFunc)(GLenum, 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 *GetTexImage)(GLenum, GLint, GLenum, GLenum, GLvoid *);
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void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint);
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void (GLAPIENTRY *TexParameterf)(GLenum, GLenum, GLfloat);
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void (GLAPIENTRY *TexParameterfv)(GLenum, GLenum, const GLfloat *);
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void (GLAPIENTRY *TexCoord2f)(GLfloat, GLfloat);
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void (GLAPIENTRY *TexCoord2fv)(const GLfloat *);
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void (GLAPIENTRY *Vertex2f)(GLfloat, GLfloat);
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void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *);
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void (GLAPIENTRY *GetBooleanv)(GLenum, GLboolean *);
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void (GLAPIENTRY *ColorMask)(GLboolean, GLboolean, GLboolean, GLboolean);
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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 *VertexPointer)(GLint, GLenum, GLsizei, const GLvoid *);
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void (GLAPIENTRY *ColorPointer)(GLint, GLenum, GLsizei, const GLvoid *);
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void (GLAPIENTRY *TexCoordPointer)(GLint, GLenum, GLsizei, const GLvoid *);
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void (GLAPIENTRY *DrawArrays)(GLenum, GLint, GLsizei);
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void (GLAPIENTRY *EnableClientState)(GLenum);
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void (GLAPIENTRY *DisableClientState)(GLenum);
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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 *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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GLvoid * (GLAPIENTRY * MapBuffer)(GLenum, GLenum);
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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 *ActiveTexture)(GLenum);
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void (GLAPIENTRY *BindTexture)(GLenum, GLuint);
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void (GLAPIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
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void (GLAPIENTRY *GenPrograms)(GLsizei, GLuint *);
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void (GLAPIENTRY *DeletePrograms)(GLsizei, const GLuint *);
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void (GLAPIENTRY *BindProgram)(GLenum, GLuint);
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void (GLAPIENTRY *ProgramString)(GLenum, GLenum, GLsizei, const GLvoid *);
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void (GLAPIENTRY *GetProgramivARB)(GLenum, GLenum, GLint *);
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void (GLAPIENTRY *ProgramEnvParameter4f)(GLenum, GLuint, GLfloat, GLfloat,
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GLfloat, GLfloat);
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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 *BeginFragmentShader)(void);
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void (GLAPIENTRY *EndFragmentShader)(void);
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void (GLAPIENTRY *SampleMap)(GLuint, GLuint, GLenum);
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void (GLAPIENTRY *ColorFragmentOp2)(GLenum, GLuint, GLuint, GLuint, GLuint,
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GLuint, GLuint, GLuint, GLuint, GLuint);
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void (GLAPIENTRY *ColorFragmentOp3)(GLenum, GLuint, GLuint, GLuint, GLuint,
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GLuint, GLuint, GLuint, GLuint, GLuint,
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GLuint, GLuint, GLuint);
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void (GLAPIENTRY *SetFragmentShaderConstant)(GLuint, const GLfloat *);
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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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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 *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 *UniformMatrix4x3fv)(GLint, GLsizei, GLboolean,
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const GLfloat *);
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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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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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};
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#endif /* MPLAYER_GL_COMMON_H */
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