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-rw-r--r--src/egl/drivers/dri2/platform_drm.c153
1 files changed, 132 insertions, 21 deletions
diff --git a/src/egl/drivers/dri2/platform_drm.c b/src/egl/drivers/dri2/platform_drm.c
index 6227bc94cd5..23a8d27b90a 100644
--- a/src/egl/drivers/dri2/platform_drm.c
+++ b/src/egl/drivers/dri2/platform_drm.c
@@ -44,6 +44,7 @@ lock_front_buffer(struct gbm_surface *_surf)
{
struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
struct dri2_egl_surface *dri2_surf = surf->dri_private;
+ struct gbm_dri_device *device = (struct gbm_dri_device *) _surf->gbm;
struct gbm_bo *bo;
if (dri2_surf->current == NULL) {
@@ -52,8 +53,11 @@ lock_front_buffer(struct gbm_surface *_surf)
}
bo = dri2_surf->current->bo;
- dri2_surf->current->locked = 1;
- dri2_surf->current = NULL;
+
+ if (device->dri2) {
+ dri2_surf->current->locked = 1;
+ dri2_surf->current = NULL;
+ }
return bo;
}
@@ -122,13 +126,22 @@ dri2_drm_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
goto cleanup_surf;
}
- dri2_surf->dri_drawable =
- (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen,
- dri2_conf->dri_double_config,
- dri2_surf->gbm_surf);
+ if (dri2_dpy->dri2) {
+ dri2_surf->dri_drawable =
+ (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen,
+ dri2_conf->dri_double_config,
+ dri2_surf->gbm_surf);
+
+ } else {
+ assert(dri2_dpy->swrast != NULL);
+ dri2_surf->dri_drawable =
+ (*dri2_dpy->swrast->createNewDrawable) (dri2_dpy->dri_screen,
+ dri2_conf->dri_double_config,
+ dri2_surf->gbm_surf);
+ }
if (dri2_surf->dri_drawable == NULL) {
- _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
+ _eglError(EGL_BAD_ALLOC, "createNewDrawable()");
goto cleanup_surf;
}
@@ -221,6 +234,28 @@ get_back_bo(struct dri2_egl_surface *dri2_surf)
return 0;
}
+static int
+get_swrast_front_bo(struct dri2_egl_surface *dri2_surf)
+{
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+ struct gbm_dri_surface *surf = dri2_surf->gbm_surf;
+
+ if (dri2_surf->current == NULL) {
+ assert(!dri2_surf->color_buffers[0].locked);
+ dri2_surf->current = &dri2_surf->color_buffers[0];
+ }
+
+ if (dri2_surf->current->bo == NULL)
+ dri2_surf->current->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base.base,
+ surf->base.width, surf->base.height,
+ surf->base.format, surf->base.flags);
+ if (dri2_surf->current->bo == NULL)
+ return -1;
+
+ return 0;
+}
+
static void
back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
{
@@ -374,19 +409,23 @@ dri2_drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
int i;
- if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
- if (dri2_surf->current)
- _eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
- for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
- if (dri2_surf->color_buffers[i].age > 0)
- dri2_surf->color_buffers[i].age++;
- dri2_surf->current = dri2_surf->back;
- dri2_surf->current->age = 1;
- dri2_surf->back = NULL;
- }
+ if (dri2_dpy->swrast) {
+ (*dri2_dpy->core->swapBuffers)(dri2_surf->dri_drawable);
+ } else {
+ if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
+ if (dri2_surf->current)
+ _eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
+ if (dri2_surf->color_buffers[i].age > 0)
+ dri2_surf->color_buffers[i].age++;
+ dri2_surf->current = dri2_surf->back;
+ dri2_surf->current->age = 1;
+ dri2_surf->back = NULL;
+ }
- (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
- (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
+ (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
+ (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
+ }
return EGL_TRUE;
}
@@ -457,6 +496,73 @@ dri2_drm_authenticate(_EGLDisplay *disp, uint32_t id)
return drmAuthMagic(dri2_dpy->fd, id);
}
+static void
+swrast_put_image2(__DRIdrawable *driDrawable,
+ int op,
+ int x,
+ int y,
+ int width,
+ int height,
+ int stride,
+ char *data,
+ void *loaderPrivate)
+{
+ struct dri2_egl_surface *dri2_surf = loaderPrivate;
+ int internal_stride, i;
+ struct gbm_dri_bo *bo;
+
+ if (op != __DRI_SWRAST_IMAGE_OP_DRAW &&
+ op != __DRI_SWRAST_IMAGE_OP_SWAP)
+ return;
+
+ if (get_swrast_front_bo(dri2_surf) < 0)
+ return;
+
+ bo = gbm_dri_bo(dri2_surf->current->bo);
+ if (gbm_dri_bo_map(bo) == NULL)
+ return;
+
+ internal_stride = bo->base.base.stride;
+
+ for (i = 0; i < height; i++) {
+ memcpy(bo->map + (x + i) * internal_stride + y,
+ data + i * stride, stride);
+ }
+
+ gbm_dri_bo_unmap(bo);
+}
+
+static void
+swrast_get_image(__DRIdrawable *driDrawable,
+ int x,
+ int y,
+ int width,
+ int height,
+ char *data,
+ void *loaderPrivate)
+{
+ struct dri2_egl_surface *dri2_surf = loaderPrivate;
+ int internal_stride, stride, i;
+ struct gbm_dri_bo *bo;
+
+ if (get_swrast_front_bo(dri2_surf) < 0)
+ return;
+
+ bo = gbm_dri_bo(dri2_surf->current->bo);
+ if (gbm_dri_bo_map(bo) == NULL)
+ return;
+
+ internal_stride = bo->base.base.stride;
+ stride = width * 4;
+
+ for (i = 0; i < height; i++) {
+ memcpy(data + i * stride,
+ bo->map + (x + i) * internal_stride + y, stride);
+ }
+
+ gbm_dri_bo_unmap(bo);
+}
+
static struct dri2_egl_display_vtbl dri2_drm_display_vtbl = {
.authenticate = dri2_drm_authenticate,
.create_window_surface = dri2_drm_create_window_surface,
@@ -533,6 +639,7 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
dri2_dpy->dri2 = dri2_dpy->gbm_dri->dri2;
dri2_dpy->image = dri2_dpy->gbm_dri->image;
dri2_dpy->flush = dri2_dpy->gbm_dri->flush;
+ dri2_dpy->swrast = dri2_dpy->gbm_dri->swrast;
dri2_dpy->driver_configs = dri2_dpy->gbm_dri->driver_configs;
dri2_dpy->gbm_dri->lookup_image = dri2_lookup_egl_image;
@@ -542,6 +649,8 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
dri2_dpy->gbm_dri->flush_front_buffer = dri2_drm_flush_front_buffer;
dri2_dpy->gbm_dri->get_buffers_with_format = dri2_drm_get_buffers_with_format;
dri2_dpy->gbm_dri->image_get_buffers = dri2_drm_image_get_buffers;
+ dri2_dpy->gbm_dri->swrast_put_image2 = swrast_put_image2;
+ dri2_dpy->gbm_dri->swrast_get_image = swrast_get_image;
dri2_dpy->gbm_dri->base.base.surface_lock_front_buffer = lock_front_buffer;
dri2_dpy->gbm_dri->base.base.surface_release_buffer = release_buffer;
@@ -572,10 +681,12 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
i + 1, EGL_WINDOW_BIT, attr_list, NULL);
}
- disp->Extensions.EXT_buffer_age = EGL_TRUE;
+ if (dri2_dpy->dri2)
+ disp->Extensions.EXT_buffer_age = EGL_TRUE;
#ifdef HAVE_WAYLAND_PLATFORM
- disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
+ if (dri2_dpy->image)
+ disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
#endif
/* we're supporting EGL 1.4 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 03:50:26 +0000