From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- .../src/video/kmsdrm/SDL_kmsdrmopengles.c | 203 --------------------- 1 file changed, 203 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/video/kmsdrm/SDL_kmsdrmopengles.c (limited to 'contrib/SDL-3.2.8/src/video/kmsdrm/SDL_kmsdrmopengles.c') diff --git a/contrib/SDL-3.2.8/src/video/kmsdrm/SDL_kmsdrmopengles.c b/contrib/SDL-3.2.8/src/video/kmsdrm/SDL_kmsdrmopengles.c deleted file mode 100644 index cc93cde..0000000 --- a/contrib/SDL-3.2.8/src/video/kmsdrm/SDL_kmsdrmopengles.c +++ /dev/null @@ -1,203 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -#include "SDL_internal.h" - -#ifdef SDL_VIDEO_DRIVER_KMSDRM - -#include "SDL_kmsdrmvideo.h" -#include "SDL_kmsdrmopengles.h" -#include "SDL_kmsdrmdyn.h" -#include - -#ifndef EGL_PLATFORM_GBM_MESA -#define EGL_PLATFORM_GBM_MESA 0x31D7 -#endif - -// EGL implementation of SDL OpenGL support - -void KMSDRM_GLES_DefaultProfileConfig(SDL_VideoDevice *_this, int *mask, int *major, int *minor) -{ - /* if SDL was _also_ built with the Raspberry Pi driver (so we're - definitely a Pi device) or with the ROCKCHIP video driver - (it's a ROCKCHIP device), default to GLES2. */ -#if defined(SDL_VIDEO_DRIVER_RPI) || defined(SDL_VIDEO_DRIVER_ROCKCHIP) - *mask = SDL_GL_CONTEXT_PROFILE_ES; - *major = 2; - *minor = 0; -#endif -} - -bool KMSDRM_GLES_LoadLibrary(SDL_VideoDevice *_this, const char *path) -{ - /* Just pretend you do this here, but don't do it until KMSDRM_CreateWindow(), - where we do the same library load we would normally do here. - because this gets called by SDL_CreateWindow() before KMSDR_CreateWindow(), - so gbm dev isn't yet created when this is called, AND we can't alter the - call order in SDL_CreateWindow(). */ -#if 0 - NativeDisplayType display = (NativeDisplayType)_this->internal->gbm_dev; - return SDL_EGL_LoadLibrary(_this, path, display, EGL_PLATFORM_GBM_MESA); -#endif - return true; -} - -void KMSDRM_GLES_UnloadLibrary(SDL_VideoDevice *_this) -{ - /* As with KMSDRM_GLES_LoadLibrary(), we define our own "dummy" unloading function - so we manually unload the library whenever we want. */ -} - -SDL_EGL_CreateContext_impl(KMSDRM) - -bool KMSDRM_GLES_SetSwapInterval(SDL_VideoDevice *_this, int interval) -{ - if (!_this->egl_data) { - return SDL_SetError("EGL not initialized"); - } - - if (interval == 0 || interval == 1) { - _this->egl_data->egl_swapinterval = interval; - } else { - return SDL_SetError("Only swap intervals of 0 or 1 are supported"); - } - - return true; -} - -bool KMSDRM_GLES_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window) -{ - SDL_WindowData *windata = window->internal; - SDL_DisplayData *dispdata = SDL_GetDisplayDriverDataForWindow(window); - SDL_VideoData *viddata = _this->internal; - KMSDRM_FBInfo *fb_info; - int ret = 0; - - /* Always wait for the previous issued flip before issuing a new one, - even if you do async flips. */ - uint32_t flip_flags = DRM_MODE_PAGE_FLIP_EVENT; - - // Skip the swap if we've switched away to another VT - if (windata->egl_surface == EGL_NO_SURFACE) { - // Wait a bit, throttling to ~100 FPS - SDL_Delay(10); - return true; - } - - // Recreate the GBM / EGL surfaces if the display mode has changed - if (windata->egl_surface_dirty) { - KMSDRM_CreateSurfaces(_this, window); - } - - /* Wait for confirmation that the next front buffer has been flipped, at which - point the previous front buffer can be released */ - if (!KMSDRM_WaitPageflip(_this, windata)) { - return SDL_SetError("Wait for previous pageflip failed"); - } - - // Release the previous front buffer - if (windata->bo) { - KMSDRM_gbm_surface_release_buffer(windata->gs, windata->bo); - windata->bo = NULL; - } - - windata->bo = windata->next_bo; - - /* Mark a buffer to become the next front buffer. - This won't happen until pagelip completes. */ - if (!(_this->egl_data->eglSwapBuffers(_this->egl_data->egl_display, - windata->egl_surface))) { - return SDL_SetError("eglSwapBuffers failed"); - } - - /* From the GBM surface, get the next BO to become the next front buffer, - and lock it so it can't be allocated as a back buffer (to prevent EGL - from drawing into it!) */ - windata->next_bo = KMSDRM_gbm_surface_lock_front_buffer(windata->gs); - if (!windata->next_bo) { - return SDL_SetError("Could not lock front buffer on GBM surface"); - } - - // Get an actual usable fb for the next front buffer. - fb_info = KMSDRM_FBFromBO(_this, windata->next_bo); - if (!fb_info) { - return SDL_SetError("Could not get a framebuffer"); - } - - if (!windata->bo) { - /* On the first swap, immediately present the new front buffer. Before - drmModePageFlip can be used the CRTC has to be configured to use - the current connector and mode with drmModeSetCrtc */ - ret = KMSDRM_drmModeSetCrtc(viddata->drm_fd, - dispdata->crtc->crtc_id, fb_info->fb_id, 0, 0, - &dispdata->connector->connector_id, 1, &dispdata->mode); - - if (ret) { - return SDL_SetError("Could not set videomode on CRTC."); - } - } else { - /* On subsequent swaps, queue the new front buffer to be flipped during - the next vertical blank - - Remember: drmModePageFlip() never blocks, it just issues the flip, - which will be done during the next vblank, or immediately if - we pass the DRM_MODE_PAGE_FLIP_ASYNC flag. - Since calling drmModePageFlip() will return EBUSY if we call it - without having completed the last issued flip, we must pass the - DRM_MODE_PAGE_FLIP_ASYNC if we don't block on EGL (egl_swapinterval = 0). - That makes it flip immediately, without waiting for the next vblank - to do so, so even if we don't block on EGL, the flip will have completed - when we get here again. */ - if (_this->egl_data->egl_swapinterval == 0 && viddata->async_pageflip_support) { - flip_flags |= DRM_MODE_PAGE_FLIP_ASYNC; - } - - ret = KMSDRM_drmModePageFlip(viddata->drm_fd, dispdata->crtc->crtc_id, - fb_info->fb_id, flip_flags, &windata->waiting_for_flip); - - if (ret == 0) { - windata->waiting_for_flip = true; - } else { - SDL_LogError(SDL_LOG_CATEGORY_VIDEO, "Could not queue pageflip: %d", ret); - } - - /* Wait immediately for vsync (as if we only had two buffers). - Even if we are already doing a WaitPageflip at the beginning of this - function, this is NOT redundant because here we wait immediately - after submitting the image to the screen, reducing lag, and if - we have waited here, there won't be a pending pageflip so the - WaitPageflip at the beginning of this function will be a no-op. - Just leave it here and don't worry. - Run your SDL program with "SDL_VIDEO_DOUBLE_BUFFER=1 " - to enable this. */ - if (windata->double_buffer) { - if (!KMSDRM_WaitPageflip(_this, windata)) { - return SDL_SetError("Immediate wait for previous pageflip failed"); - } - } - } - - return true; -} - -SDL_EGL_MakeCurrent_impl(KMSDRM) - -#endif // SDL_VIDEO_DRIVER_KMSDRM -- cgit v1.2.3