early-access version 1611

2021-04-18 05:35:25 +02:00
parent 16f54e367d
commit 18db69f039
1409 changed files with 545335 additions and 10 deletions
--- a/externals/SDL/src/video/nacl/SDL_naclopengles.c
+++ b/externals/SDL/src/video/nacl/SDL_naclopengles.c
@@ -0,0 +1,174 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
+
+  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"
+
+#if SDL_VIDEO_DRIVER_NACL
+
+/* NaCl SDL video GLES 2 driver implementation */
+
+#include "SDL_video.h"
+#include "SDL_naclvideo.h"
+
+#if SDL_LOADSO_DLOPEN
+#include "dlfcn.h"
+#endif
+
+#include "ppapi/gles2/gl2ext_ppapi.h"
+#include "ppapi_simple/ps.h"
+
+/* GL functions */
+int
+NACL_GLES_LoadLibrary(_THIS, const char *path)
+{
+    /* FIXME: Support dynamic linking when PNACL supports it */
+    return glInitializePPAPI(PSGetInterface) == 0;
+}
+
+void *
+NACL_GLES_GetProcAddress(_THIS, const char *proc)
+{
+#if SDL_LOADSO_DLOPEN
+    return dlsym( 0 /* RTLD_DEFAULT */, proc);
+#else
+    return NULL;
+#endif
+}
+
+void
+NACL_GLES_UnloadLibrary(_THIS)
+{
+    /* FIXME: Support dynamic linking when PNACL supports it */
+    glTerminatePPAPI();
+}
+
+int
+NACL_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext sdl_context)
+{
+    SDL_VideoData *driverdata = (SDL_VideoData *) _this->driverdata;
+    /* FIXME: Check threading issues...otherwise use a hardcoded _this->context across all threads */
+    driverdata->ppb_instance->BindGraphics(driverdata->instance, (PP_Resource) sdl_context);
+    glSetCurrentContextPPAPI((PP_Resource) sdl_context);
+    return 0;
+}
+
+SDL_GLContext
+NACL_GLES_CreateContext(_THIS, SDL_Window * window)
+{
+    SDL_VideoData *driverdata = (SDL_VideoData *) _this->driverdata;
+    PP_Resource context, share_context = 0;
+    /* 64 seems nice. */
+    Sint32 attribs[64];
+    int i = 0;
+    
+    if (_this->gl_config.share_with_current_context) {
+        share_context = (PP_Resource) SDL_GL_GetCurrentContext();
+    }
+
+    /* FIXME: Some ATTRIBS from PP_Graphics3DAttrib are not set here */
+    
+    attribs[i++] = PP_GRAPHICS3DATTRIB_WIDTH;
+    attribs[i++] = window->w;
+    attribs[i++] = PP_GRAPHICS3DATTRIB_HEIGHT;
+    attribs[i++] = window->h;
+    attribs[i++] = PP_GRAPHICS3DATTRIB_RED_SIZE;
+    attribs[i++] = _this->gl_config.red_size;
+    attribs[i++] = PP_GRAPHICS3DATTRIB_GREEN_SIZE;
+    attribs[i++] = _this->gl_config.green_size;
+    attribs[i++] = PP_GRAPHICS3DATTRIB_BLUE_SIZE;
+    attribs[i++] = _this->gl_config.blue_size;
+    
+    if (_this->gl_config.alpha_size) {
+        attribs[i++] = PP_GRAPHICS3DATTRIB_ALPHA_SIZE;
+        attribs[i++] = _this->gl_config.alpha_size;
+    }
+    
+    /*if (_this->gl_config.buffer_size) {
+        attribs[i++] = EGL_BUFFER_SIZE;
+        attribs[i++] = _this->gl_config.buffer_size;
+    }*/
+    
+    attribs[i++] = PP_GRAPHICS3DATTRIB_DEPTH_SIZE;
+    attribs[i++] = _this->gl_config.depth_size;
+    
+    if (_this->gl_config.stencil_size) {
+        attribs[i++] = PP_GRAPHICS3DATTRIB_STENCIL_SIZE;
+        attribs[i++] = _this->gl_config.stencil_size;
+    }
+    
+    if (_this->gl_config.multisamplebuffers) {
+        attribs[i++] = PP_GRAPHICS3DATTRIB_SAMPLE_BUFFERS;
+        attribs[i++] = _this->gl_config.multisamplebuffers;
+    }
+    
+    if (_this->gl_config.multisamplesamples) {
+        attribs[i++] = PP_GRAPHICS3DATTRIB_SAMPLES;
+        attribs[i++] = _this->gl_config.multisamplesamples;
+    }
+       
+    attribs[i++] = PP_GRAPHICS3DATTRIB_NONE;
+    
+    context = driverdata->ppb_graphics->Create(driverdata->instance, share_context, attribs);
+
+    if (context) {
+        /* We need to make the context current, otherwise nothing works */
+        SDL_GL_MakeCurrent(window, (SDL_GLContext) context);
+    }
+    
+    return (SDL_GLContext) context;
+}
+
+
+
+int
+NACL_GLES_SetSwapInterval(_THIS, int interval)
+{
+    /* STUB */
+    return SDL_Unsupported();
+}
+
+int
+NACL_GLES_GetSwapInterval(_THIS)
+{
+    /* STUB */
+    return 0;
+}
+
+int
+NACL_GLES_SwapWindow(_THIS, SDL_Window * window)
+{
+    SDL_VideoData *driverdata = (SDL_VideoData *) _this->driverdata;
+    struct PP_CompletionCallback callback = { NULL, 0, PP_COMPLETIONCALLBACK_FLAG_NONE };
+    if (driverdata->ppb_graphics->SwapBuffers((PP_Resource) SDL_GL_GetCurrentContext(), callback ) != 0) {
+        return SDL_SetError("SwapBuffers failed");
+    }
+    return 0;
+}
+
+void
+NACL_GLES_DeleteContext(_THIS, SDL_GLContext context)
+{
+    SDL_VideoData *driverdata = (SDL_VideoData *) _this->driverdata;
+    driverdata->ppb_core->ReleaseResource((PP_Resource) context);
+}
+
+#endif /* SDL_VIDEO_DRIVER_NACL */
+
+/* vi: set ts=4 sw=4 expandtab: */