Changeset afcf704 in mainline for uspace/lib/ipcgfx/src/server.c

Timestamp:

2020-06-14T22:23:34Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c45d8696

Parents:

28f8f6f2

Message:

Allow GUI direct access to window buffer

File:

• uspace/lib/ipcgfx/src/server.c (modified) (3 diffs)

uspace/lib/ipcgfx/src/server.c

@@ -128 +128 @@
         /* Check size */
         if (size != PAGES2SIZE(SIZE2PAGES(dim.x * dim.y * sizeof(uint32_t)))) {
-                printf("size=%zu, expected=%zu\n", size, dim.x * dim.y * sizeof(uint32_t));
                 async_answer_0(icall, EINVAL);
                 return;
@@ -168 +167 @@
 }
 
+static void gc_bitmap_create_doutput_srv(ipc_gc_srv_t *srvgc, ipc_call_t *icall)
+{
+        gfx_bitmap_params_t params;
+        gfx_bitmap_alloc_t alloc;
+        gfx_bitmap_t *bitmap;
+        gfx_coord2_t dim;
+        ipc_gc_srv_bitmap_t *srvbmp = NULL;
+        ipc_call_t call;
+        size_t size;
+        errno_t rc;
+
+        if (!async_data_write_receive(&call, &size)) {
+                async_answer_0(&call, EREFUSED);
+                async_answer_0(icall, EREFUSED);
+                return;
+        }
+
+        if (size != sizeof(gfx_bitmap_params_t)) {
+                async_answer_0(&call, EINVAL);
+                async_answer_0(icall, EINVAL);
+                return;
+        }
+
+        rc = async_data_write_finalize(&call, &params, size);
+        if (rc != EOK) {
+                async_answer_0(&call, rc);
+                async_answer_0(icall, rc);
+                return;
+        }
+
+        /* Bitmap dimensions */
+        gfx_coord2_subtract(&params.rect.p1, &params.rect.p0, &dim);
+
+        if (!async_share_in_receive(&call, &size)) {
+                async_answer_0(icall, EINVAL);
+                return;
+        }
+
+        /* Check size */
+        if (size != PAGES2SIZE(SIZE2PAGES(dim.x * dim.y * sizeof(uint32_t)))) {
+                async_answer_0(&call, EINVAL);
+                async_answer_0(icall, EINVAL);
+                return;
+        }
+
+        rc = gfx_bitmap_create(srvgc->gc, &params, NULL, &bitmap);
+        if (rc != EOK) {
+                async_answer_0(&call, rc);
+                async_answer_0(icall, rc);
+                return;
+        }
+
+        rc = gfx_bitmap_get_alloc(bitmap, &alloc);
+        if (rc != EOK) {
+                gfx_bitmap_destroy(bitmap);
+                async_answer_0(&call, rc);
+                async_answer_0(icall, rc);
+                return;
+        }
+
+        rc = async_share_in_finalize(&call, alloc.pixels, AS_AREA_READ |
+            AS_AREA_WRITE | AS_AREA_CACHEABLE);
+        if (rc != EOK) {
+                gfx_bitmap_destroy(bitmap);
+                async_answer_0(icall, EIO);
+                return;
+        }
+
+        srvbmp = calloc(1, sizeof(ipc_gc_srv_bitmap_t));
+        if (srvbmp == NULL) {
+                gfx_bitmap_destroy(bitmap);
+                async_answer_0(icall, ENOMEM);
+                return;
+        }
+
+        srvbmp->srvgc = srvgc;
+        list_append(&srvbmp->lbitmaps, &srvgc->bitmaps);
+        srvbmp->bmp = bitmap;
+        srvbmp->bmp_id = srvgc->next_bmp_id++;
+        printf("gc_bitmap_create_doutput_srv: storing bmp_id=%u\n",
+            (unsigned) srvbmp->bmp_id);
+
+        async_answer_1(icall, EOK, srvbmp->bmp_id);
+}
+
 static void gc_bitmap_destroy_srv(ipc_gc_srv_t *srvgc, ipc_call_t *call)
 {
@@ -270 +354 @@
                         gc_bitmap_create_srv(&srvgc, &call);
                         break;
+                case GC_BITMAP_CREATE_DOUTPUT:
+                        gc_bitmap_create_doutput_srv(&srvgc, &call);
+                        break;
                 case GC_BITMAP_DESTROY:
                         gc_bitmap_destroy_srv(&srvgc, &call);