diff options
Diffstat (limited to 'src/gallium/state_trackers/egl_g3d/common/egl_g3d.c')
-rw-r--r-- | src/gallium/state_trackers/egl_g3d/common/egl_g3d.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c index 08f796d083..042e9518c2 100644 --- a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c +++ b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c @@ -26,6 +26,7 @@ #include <string.h> #include "pipe/p_screen.h" #include "util/u_memory.h" +#include "util/u_rect.h" #include "egldriver.h" #include "eglcurrent.h" #include "eglconfigutil.h" @@ -861,6 +862,101 @@ egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf) return EGL_TRUE; } +/** + * Find a config that supports the pixmap. + */ +static _EGLConfig * +find_pixmap_config(_EGLDisplay *dpy, EGLNativePixmapType pix) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_config *gconf; + EGLint i; + + for (i = 0; i < dpy->NumConfigs; i++) { + gconf = egl_g3d_config(dpy->Configs[i]); + if (gdpy->native->is_pixmap_supported(gdpy->native, pix, gconf->native)) + break; + } + + return (i < dpy->NumConfigs) ? &gconf->base : NULL; +} + +/** + * Get the pipe surface of the given attachment of the native surface. + */ +static struct pipe_surface * +get_pipe_surface(struct native_display *ndpy, struct native_surface *nsurf, + enum native_attachment natt) +{ + struct pipe_texture *textures[NUM_NATIVE_ATTACHMENTS]; + struct pipe_surface *psurf; + + textures[natt] = NULL; + nsurf->validate(nsurf, 1 << natt, NULL, textures, NULL, NULL); + if (!textures[natt]) + return NULL; + + psurf = ndpy->screen->get_tex_surface(ndpy->screen, textures[natt], + 0, 0, 0, PIPE_BUFFER_USAGE_CPU_WRITE); + pipe_texture_reference(&textures[natt], NULL); + + return psurf; +} + +static EGLBoolean +egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, + NativePixmapType target) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + _EGLContext *ctx = _eglGetCurrentContext(); + struct egl_g3d_config *gconf; + struct native_surface *nsurf; + struct pipe_screen *screen = gdpy->native->screen; + struct pipe_surface *psurf; + + if (!gsurf->render_surface) + return EGL_TRUE; + + gconf = egl_g3d_config(find_pixmap_config(dpy, target)); + if (!gconf) + return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglCopyBuffers"); + + nsurf = gdpy->native->create_pixmap_surface(gdpy->native, + target, gconf->native); + if (!nsurf) + return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglCopyBuffers"); + + /* flush if the surface is current */ + if (ctx && ctx->DrawSurface == &gsurf->base) { + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + gctx->stapi->st_flush(gctx->st_ctx, + PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); + } + + psurf = get_pipe_surface(gdpy->native, nsurf, NATIVE_ATTACHMENT_FRONT_LEFT); + if (psurf) { + struct pipe_context pipe; + + /** + * XXX This is hacky. If we might allow the EGLDisplay to create a pipe + * context of its own and use the blitter context for this. + */ + memset(&pipe, 0, sizeof(pipe)); + pipe.screen = screen; + + util_surface_copy(&pipe, FALSE, psurf, 0, 0, + gsurf->render_surface, 0, 0, psurf->width, psurf->height); + + pipe_surface_reference(&psurf, NULL); + nsurf->flush_frontbuffer(nsurf); + } + + nsurf->destroy(nsurf); + + return EGL_TRUE; +} + static EGLBoolean egl_g3d_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx) { @@ -1114,6 +1210,7 @@ _eglMain(const char *args) gdrv->base.API.DestroySurface = egl_g3d_destroy_surface; gdrv->base.API.MakeCurrent = egl_g3d_make_current; gdrv->base.API.SwapBuffers = egl_g3d_swap_buffers; + gdrv->base.API.CopyBuffers = egl_g3d_copy_buffers; gdrv->base.API.WaitClient = egl_g3d_wait_client; gdrv->base.API.WaitNative = egl_g3d_wait_native; gdrv->base.API.GetProcAddress = egl_g3d_get_proc_address; |