egl_dri2: Implement EGL_KHR_gl_renderbuffer_image
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 0c2dfe6..d775b5e 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -103,12 +103,6 @@
{
_EGLImage base;
__DRIimage *dri_image;
- int width;
- int height;
- int name;
- int pitch;
- int cpp;
- int format;
};
/* standard typecasts */
@@ -694,6 +688,7 @@
disp->ClientAPIsMask = EGL_OPENGL_BIT;
disp->Extensions.KHR_image_base = EGL_TRUE;
disp->Extensions.KHR_image_pixmap = EGL_TRUE;
+ disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
/* we're supporting EGL 1.4 */
*major = 1;
@@ -1107,9 +1102,8 @@
}
static _EGLImage *
-dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
- _EGLContext *ctx, EGLenum target,
- EGLClientBuffer buffer, const EGLint *attr_list)
+dri2_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx,
+ EGLClientBuffer buffer, const EGLint *attr_list)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
@@ -1122,6 +1116,92 @@
xcb_get_geometry_cookie_t geometry_cookie;
xcb_get_geometry_reply_t *geometry_reply;
xcb_generic_error_t *error;
+ int stride, format;
+
+ drawable = (xcb_drawable_t) buffer;
+ xcb_dri2_create_drawable (dri2_dpy->conn, drawable);
+ attachments[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT;
+ buffers_cookie =
+ xcb_dri2_get_buffers_unchecked (dri2_dpy->conn,
+ drawable, 1, 1, attachments);
+ geometry_cookie = xcb_get_geometry (dri2_dpy->conn, drawable);
+ buffers_reply = xcb_dri2_get_buffers_reply (dri2_dpy->conn,
+ buffers_cookie, NULL);
+ buffers = xcb_dri2_get_buffers_buffers (buffers_reply);
+ if (buffers == NULL) {
+ return NULL;
+ }
+
+ geometry_reply = xcb_get_geometry_reply (dri2_dpy->conn,
+ geometry_cookie, &error);
+ if (geometry_reply == NULL || error != NULL) {
+ _eglError(EGL_BAD_ALLOC, "xcb_get_geometry");
+ free(error);
+ free(buffers_reply);
+ }
+
+ switch (geometry_reply->depth) {
+ case 16:
+ format = __DRI_IMAGE_FORMAT_RGB565;
+ break;
+ case 24:
+ format = __DRI_IMAGE_FORMAT_XRGB8888;
+ break;
+ case 32:
+ format = __DRI_IMAGE_FORMAT_ARGB8888;
+ break;
+ default:
+ _eglError(EGL_BAD_PARAMETER,
+ "dri2_create_image_khr: unsupported pixmap depth");
+ free(buffers_reply);
+ free(geometry_reply);
+ return NULL;
+ }
+
+ dri2_img = malloc(sizeof *dri2_img);
+ if (!dri2_img) {
+ free(buffers_reply);
+ free(geometry_reply);
+ _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
+ return EGL_NO_IMAGE_KHR;
+ }
+
+ if (!_eglInitImage(&dri2_img->base, disp, attr_list)) {
+ free(buffers_reply);
+ free(geometry_reply);
+ return EGL_NO_IMAGE_KHR;
+ }
+
+ stride = buffers[0].pitch / buffers[0].cpp;
+ dri2_img->dri_image =
+ dri2_dpy->image->createImageFromName(dri2_ctx->dri_context,
+ buffers_reply->width,
+ buffers_reply->height,
+ format,
+ buffers[0].name,
+ stride,
+ dri2_img);
+
+ free(buffers_reply);
+ free(geometry_reply);
+
+ return &dri2_img->base;
+}
+
+static _EGLImage *
+dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
+ EGLClientBuffer buffer,
+ const EGLint *attr_list)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
+ struct dri2_egl_image *dri2_img;
+ GLuint renderbuffer = (GLuint) buffer;
+
+ if (renderbuffer == 0) {
+ _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
+ return EGL_NO_IMAGE_KHR;
+ }
dri2_img = malloc(sizeof *dri2_img);
if (!dri2_img) {
@@ -1132,70 +1212,30 @@
if (!_eglInitImage(&dri2_img->base, disp, attr_list))
return EGL_NO_IMAGE_KHR;
- switch (target) {
- case EGL_NATIVE_PIXMAP_KHR:
- drawable = (xcb_drawable_t) buffer;
- xcb_dri2_create_drawable (dri2_dpy->conn, drawable);
- attachments[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT;
- buffers_cookie =
- xcb_dri2_get_buffers_unchecked (dri2_dpy->conn,
- drawable, 1, 1, attachments);
- geometry_cookie = xcb_get_geometry (dri2_dpy->conn, drawable);
- buffers_reply = xcb_dri2_get_buffers_reply (dri2_dpy->conn,
- buffers_cookie, NULL);
- buffers = xcb_dri2_get_buffers_buffers (buffers_reply);
- if (buffers == NULL) {
- free(dri2_img);
- return NULL;
- }
-
- geometry_reply = xcb_get_geometry_reply (dri2_dpy->conn,
- geometry_cookie, &error);
- if (geometry_reply == NULL || error != NULL) {
- _eglError(EGL_BAD_ALLOC, "xcb_get_geometry");
- free(error);
- free(dri2_img);
- free(buffers_reply);
- }
-
- dri2_img->width = buffers_reply->width;
- dri2_img->height = buffers_reply->height;
- dri2_img->name = buffers[0].name;
- dri2_img->pitch = buffers[0].pitch / buffers[0].cpp;
- dri2_img->cpp = buffers[0].cpp;
- switch (geometry_reply->depth) {
- case 16:
- dri2_img->format = __DRI_IMAGE_FORMAT_RGB565;
- break;
- case 24:
- dri2_img->format = __DRI_IMAGE_FORMAT_XRGB8888;
- break;
- case 32:
- dri2_img->format = __DRI_IMAGE_FORMAT_ARGB8888;
- break;
- }
- free(buffers_reply);
- free(geometry_reply);
- break;
-
- default:
- _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
- free(dri2_img);
- return EGL_NO_IMAGE_KHR;
- }
-
- dri2_img->dri_image =
- dri2_dpy->image->createImageFromName(dri2_ctx->dri_context,
- dri2_img->width,
- dri2_img->height,
- dri2_img->format,
- dri2_img->name,
- dri2_img->pitch,
- dri2_img);
+ dri2_img->dri_image =
+ dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
+ renderbuffer,
+ dri2_img);
return &dri2_img->base;
}
+static _EGLImage *
+dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
+ _EGLContext *ctx, EGLenum target,
+ EGLClientBuffer buffer, const EGLint *attr_list)
+{
+ switch (target) {
+ case EGL_NATIVE_PIXMAP_KHR:
+ return dri2_create_image_khr_pixmap(disp, ctx, buffer, attr_list);
+ case EGL_GL_RENDERBUFFER_KHR:
+ return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
+ default:
+ _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
+ return EGL_NO_IMAGE_KHR;
+ }
+}
+
static EGLBoolean
dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
{