diff options
Diffstat (limited to 'video/out/opengl/context.h')
| -rw-r--r-- | video/out/opengl/context.h | 152 |
1 files changed, 46 insertions, 106 deletions
diff --git a/video/out/opengl/context.h b/video/out/opengl/context.h index 229c5ef54f..bdf426b9b4 100644 --- a/video/out/opengl/context.h +++ b/video/out/opengl/context.h @@ -1,116 +1,56 @@ -/* - * common OpenGL routines - * - * copyleft (C) 2005-2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de> - * Special thanks go to the xine team and Matthias Hopf, whose video_out_opengl.c - * gave me lots of good ideas. - * - * This file is part of mpv. - * - * mpv is free software; you can redistribute it 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. - * - * 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 Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with mpv. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef MP_GL_CONTEXT_H_ -#define MP_GL_CONTEXT_H_ +#pragma once +#include "common/global.h" +#include "video/out/gpu/context.h" #include "common.h" -enum { - VOFLAG_GLES = 1 << 0, // Hint to create a GLES context - VOFLAG_NO_GLES = 1 << 1, // Hint to create a desktop GL context - VOFLAG_GL_DEBUG = 1 << 2, // Hint to request debug OpenGL context - VOFLAG_ALPHA = 1 << 3, // Hint to request alpha framebuffer - VOFLAG_SW = 1 << 4, // Hint to accept a software GL renderer - VOFLAG_PROBING = 1 << 6, // The backend is being auto-probed. - VOFLAG_GLES2 = 1 << 7, // Hint for GLESv2 (needs VOFLAG_GLES) -}; - extern const int mpgl_preferred_gl_versions[]; -struct MPGLContext; - -// A windowing backend (like X11, win32, ...), which provides OpenGL rendering. -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); - - // Called when rendering starts. The backend can map or resize the - // framebuffer, or update GL.main_fb. swap_buffers() ends the frame. - // Optional. - void (*start_frame)(struct MPGLContext *ctx); - - // 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); - - // These behave exactly like vo_driver.wakeup/wait_events. They are - // optional. - void (*wakeup)(struct MPGLContext *ctx); - void (*wait_events)(struct MPGLContext *ctx, int64_t until_time_us); - - // 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; - struct mpv_global *global; - struct mp_log *log; - - // For hwdec_vaegl.c. +// Returns whether or not a candidate GL version should be accepted or not +// (based on the --opengl opts). Implementations may call this before +// ra_gl_ctx_init if they wish to probe for multiple possible GL versions. +bool ra_gl_ctx_test_version(struct ra_ctx *ctx, int version, bool es); + +// These are a set of helpers for ra_ctx providers based on ra_gl. +// The init function also initializes ctx->ra and ctx->swapchain, so the user +// doesn't have to do this manually. (Similarly, the uninit function will +// clean them up) + +struct ra_gl_ctx_params { + // Set to the platform-specific function to swap buffers, like + // glXSwapBuffers, eglSwapBuffers etc. This will be called by + // ra_gl_ctx_swap_buffers. Required unless you either never call that + // function or if you override it yourself. + void (*swap_buffers)(struct ra_ctx *ctx); + + // Set to false if the implementation follows normal GL semantics, which is + // upside down. Set to true if it does *not*, i.e. if rendering is right + // side up + bool flipped; + + // If this is set to non-NULL, then the ra_gl_ctx will consider the GL + // implementation to be using an external swapchain, which disables the + // software simulation of --swapchain-depth. Any functions defined by this + // ra_swapchain_fns structs will entirely replace the equivalent ra_gl_ctx + // functions in the resulting ra_swapchain. + const struct ra_swapchain_fns *external_swapchain; + + // For hwdec_vaegl.c: const char *native_display_type; void *native_display; +}; - // Flip the rendered image vertically. This is useful for dxinterop. - bool flip_v; - - // framebuffer to render to (normally 0) - GLuint main_fb; - - // For free use by the mpgl_driver. - void *priv; -} MPGLContext; - -MPGLContext *mpgl_init(struct vo *vo, const char *backend_name, int vo_flags); -void mpgl_uninit(MPGLContext *ctx); -int mpgl_reconfig_window(struct MPGLContext *ctx); -int mpgl_control(struct MPGLContext *ctx, int *events, int request, void *arg); -void mpgl_start_frame(struct MPGLContext *ctx); -void mpgl_swap_buffers(struct MPGLContext *ctx); - -int mpgl_find_backend(const char *name); +void ra_gl_ctx_uninit(struct ra_ctx *ctx); +bool ra_gl_ctx_init(struct ra_ctx *ctx, GL *gl, struct ra_gl_ctx_params params); -struct m_option; -int mpgl_validate_backend_opt(struct mp_log *log, const struct m_option *opt, - struct bstr name, struct bstr param); +// Call this any time the window size or main framebuffer changes +void ra_gl_ctx_resize(struct ra_swapchain *sw, int w, int h, int fbo); -#endif +// These functions are normally set in the ra_swapchain->fns, but if an +// implementation has a need to override this fns struct with custom functions +// for whatever reason, these can be used to inherit the original behavior. +int ra_gl_ctx_color_depth(struct ra_swapchain *sw); +struct mp_image *ra_gl_ctx_screenshot(struct ra_swapchain *sw); +struct ra_tex *ra_gl_ctx_start_frame(struct ra_swapchain *sw); +bool ra_gl_ctx_submit_frame(struct ra_swapchain *sw, const struct vo_frame *frame); +void ra_gl_ctx_swap_buffers(struct ra_swapchain *sw); |