Changeset 0008c0f in mainline for uspace/lib/ipcgfx/src

Timestamp:

2019-10-26T23:30:51Z (6 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

587b4cb

Parents:

7b882c1f

Message:

Bitmaps in IPC GC and in display server

Location:

uspace/lib/ipcgfx/src

Files:

• client.c (modified) (3 diffs)
• server.c (modified) (6 diffs)

uspace/lib/ipcgfx/src/client.c

@@ -36 +36 @@
  */
 
+#include <as.h>
 #include <ipcgfx/client.h>
 #include <ipcgfx/ipc/gc.h>
 #include <gfx/color.h>
+#include <gfx/coord.h>
 #include <gfx/context.h>
 #include <stdlib.h>
@@ -45 +47 @@
 static errno_t ipc_gc_set_color(void *, gfx_color_t *);
 static errno_t ipc_gc_fill_rect(void *, gfx_rect_t *);
+static errno_t ipc_gc_bitmap_create(void *, gfx_bitmap_params_t *,
+    gfx_bitmap_alloc_t *, void **);
+static errno_t ipc_gc_bitmap_destroy(void *);
+static errno_t ipc_gc_bitmap_render(void *, gfx_rect_t *, gfx_coord2_t *);
+static errno_t ipc_gc_bitmap_get_alloc(void *, gfx_bitmap_alloc_t *);
 
 gfx_context_ops_t ipc_gc_ops = {
         .set_color = ipc_gc_set_color,
-        .fill_rect = ipc_gc_fill_rect
+        .fill_rect = ipc_gc_fill_rect,
+        .bitmap_create = ipc_gc_bitmap_create,
+        .bitmap_destroy = ipc_gc_bitmap_destroy,
+        .bitmap_render = ipc_gc_bitmap_render,
+        .bitmap_get_alloc = ipc_gc_bitmap_get_alloc
 };
 
@@ -101 +112 @@
 }
 
+/** Create bitmap in IPC GC.
+ *
+ * @param arg IPC GC
+ * @param params Bitmap params
+ * @param alloc Bitmap allocation info or @c NULL
+ * @param rbm Place to store pointer to new bitmap
+ * @return EOK on success or an error code
+ */
+errno_t ipc_gc_bitmap_create(void *arg, gfx_bitmap_params_t *params,
+    gfx_bitmap_alloc_t *alloc, void **rbm)
+{
+        ipc_gc_t *ipcgc = (ipc_gc_t *) arg;
+        ipc_gc_bitmap_t *ipcbm = NULL;
+        gfx_coord2_t dim;
+        async_exch_t *exch = NULL;
+        ipc_call_t answer;
+        aid_t req;
+        errno_t rc;
+
+        ipcbm = calloc(1, sizeof(ipc_gc_bitmap_t));
+        if (ipcbm == NULL)
+                return ENOMEM;
+
+        gfx_coord2_subtract(&params->rect.p1, &params->rect.p0, &dim);
+        ipcbm->rect = params->rect;
+
+        if (alloc == NULL) {
+                ipcbm->alloc.pitch = dim.x * sizeof(uint32_t);
+                ipcbm->alloc.off0 = 0;
+                ipcbm->alloc.pixels = as_area_create(AS_AREA_ANY,
+                    dim.x * dim.y * sizeof(uint32_t), AS_AREA_READ |
+                    AS_AREA_WRITE | AS_AREA_CACHEABLE, AS_AREA_UNPAGED);
+                if (ipcbm->alloc.pixels == NULL) {
+                        rc = ENOMEM;
+                        goto error;
+                }
+
+                ipcbm->myalloc = true;
+        } else {
+                /*
+                 * XXX We could allow this if the pixels point to a shareable
+                 * area or we could do a copy of the data when rendering
+                 */
+                rc = ENOTSUP;
+                goto error;
+        }
+
+        exch = async_exchange_begin(ipcgc->sess);
+        req = async_send_0(exch, GC_BITMAP_CREATE, &answer);
+        rc = async_data_write_start(exch, params, sizeof (gfx_bitmap_params_t));
+        if (rc != EOK) {
+                async_forget(req);
+                goto error;
+        }
+
+        rc = async_share_out_start(exch, ipcbm->alloc.pixels,
+            AS_AREA_READ | AS_AREA_CACHEABLE);
+        if (rc != EOK) {
+                async_forget(req);
+                goto error;
+        }
+        async_exchange_end(exch);
+        exch = NULL;
+
+        async_wait_for(req, &rc);
+        if (rc != EOK)
+                goto error;
+
+        ipcbm->ipcgc = ipcgc;
+        ipcbm->bmp_id = ipc_get_arg1(&answer);
+        *rbm = (void *)ipcbm;
+        return EOK;
+error:
+        if (exch != NULL)
+                async_exchange_end(exch);
+        if (ipcbm != NULL) {
+                if (ipcbm->alloc.pixels != NULL)
+                        as_area_destroy(ipcbm->alloc.pixels);
+                free(ipcbm);
+        }
+        return rc;
+}
+
+/** Destroy bitmap in IPC GC.
+ *
+ * @param bm Bitmap
+ * @return EOK on success or an error code
+ */
+static errno_t ipc_gc_bitmap_destroy(void *bm)
+{
+        ipc_gc_bitmap_t *ipcbm = (ipc_gc_bitmap_t *)bm;
+        async_exch_t *exch;
+        errno_t rc;
+
+        printf("ipc_gc_bitmap_destroy\n");
+
+        exch = async_exchange_begin(ipcbm->ipcgc->sess);
+        rc = async_req_1_0(exch, GC_BITMAP_DESTROY, ipcbm->bmp_id);
+        async_exchange_end(exch);
+
+        if (rc != EOK)
+                return rc;
+
+        if (ipcbm->myalloc)
+                as_area_destroy(ipcbm->alloc.pixels);
+        free(ipcbm);
+        return EOK;
+}
+
+/** Render bitmap in IPC GC.
+ *
+ * @param bm Bitmap
+ * @param srect0 Source rectangle or @c NULL
+ * @param offs0 Offset or @c NULL
+ * @return EOK on success or an error code
+ */
+static errno_t ipc_gc_bitmap_render(void *bm, gfx_rect_t *srect0,
+    gfx_coord2_t *offs0)
+{
+        ipc_gc_bitmap_t *ipcbm = (ipc_gc_bitmap_t *)bm;
+        gfx_rect_t srect;
+        gfx_rect_t drect;
+        gfx_coord2_t offs;
+        async_exch_t *exch = NULL;
+        ipc_call_t answer;
+        aid_t req;
+        errno_t rc;
+
+        if (srect0 != NULL)
+                srect = *srect0;
+        else
+                srect = ipcbm->rect;
+
+        if (offs0 != NULL) {
+                offs = *offs0;
+        } else {
+                offs.x = 0;
+                offs.y = 0;
+        }
+
+        /* Destination rectangle */
+        gfx_rect_translate(&offs, &srect, &drect);
+
+        exch = async_exchange_begin(ipcbm->ipcgc->sess);
+        req = async_send_3(exch, GC_BITMAP_RENDER, ipcbm->bmp_id, offs.x,
+            offs.y, &answer);
+
+        rc = async_data_write_start(exch, &srect, sizeof (gfx_rect_t));
+        if (rc != EOK) {
+                async_forget(req);
+                goto error;
+        }
+
+        async_exchange_end(exch);
+        exch = NULL;
+
+        async_wait_for(req, &rc);
+        if (rc != EOK)
+                goto error;
+
+        return EOK;
+error:
+        if (exch != NULL)
+                async_exchange_end(exch);
+        return rc;
+}
+
+/** Get allocation info for bitmap in IPC GC.
+ *
+ * @param bm Bitmap
+ * @param alloc Place to store allocation info
+ * @return EOK on success or an error code
+ */
+static errno_t ipc_gc_bitmap_get_alloc(void *bm, gfx_bitmap_alloc_t *alloc)
+{
+        ipc_gc_bitmap_t *ipcbm = (ipc_gc_bitmap_t *)bm;
+        *alloc = ipcbm->alloc;
+        return EOK;
+}
+
 /** Create IPC GC.
  *

uspace/lib/ipcgfx/src/server.c

@@ -36 +36 @@
  */
 
+#include <as.h>
 #include <errno.h>
+#include <gfx/bitmap.h>
 #include <gfx/color.h>
 #include <gfx/render.h>
@@ -43 +45 @@
 #include <ipcgfx/server.h>
 #include <stdint.h>
-
+#include <stdlib.h>
 #include <stdio.h>
 
-#include <bd_srv.h>
-
-static void gc_set_rgb_color_srv(gfx_context_t *gc, ipc_call_t *call)
+#include "../private/server.h"
+
+static ipc_gc_srv_bitmap_t *gc_bitmap_lookup(ipc_gc_srv_t *, sysarg_t);
+
+static void gc_set_rgb_color_srv(ipc_gc_srv_t *srvgc, ipc_call_t *call)
 {
         uint16_t r, g, b;
@@ -64 +68 @@
         }
 
-        rc = gfx_set_color(gc, color);
+        rc = gfx_set_color(srvgc->gc, color);
         async_answer_0(call, rc);
         printf("done with rgb_color_srv\n");
 }
 
-static void gc_fill_rect_srv(gfx_context_t *gc, ipc_call_t *call)
+static void gc_fill_rect_srv(ipc_gc_srv_t *srvgc, ipc_call_t *call)
 {
         gfx_rect_t rect;
@@ -79 +83 @@
         rect.p1.y = ipc_get_arg4(call);
 
-        rc = gfx_fill_rect(gc, &rect);
+        rc = gfx_fill_rect(srvgc->gc, &rect);
         async_answer_0(call, rc);
 }
 
+static void gc_bitmap_create_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;
+        unsigned int flags;
+        void *pixels;
+        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_out_receive(&call, &size, &flags)) {
+                async_answer_0(icall, EINVAL);
+                return;
+        }
+
+        /* 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;
+        }
+
+        rc = async_share_out_finalize(&call, &pixels);
+        if (rc != EOK || pixels == AS_MAP_FAILED) {
+                async_answer_0(icall, ENOMEM);
+                return;
+        }
+
+        alloc.pitch = dim.x * sizeof(uint32_t);
+        alloc.off0 = 0;
+        alloc.pixels = pixels;
+
+        srvbmp = calloc(1, sizeof(ipc_gc_srv_bitmap_t));
+        if (srvbmp == NULL) {
+                as_area_destroy(pixels);
+                async_answer_0(icall, ENOMEM);
+                return;
+        }
+
+        rc = gfx_bitmap_create(srvgc->gc, &params, &alloc, &bitmap);
+        if (rc != EOK) {
+                free(srvbmp);
+                as_area_destroy(pixels);
+                async_answer_0(icall, rc);
+                return;
+        }
+
+        srvbmp->srvgc = srvgc;
+        list_append(&srvbmp->lbitmaps, &srvgc->bitmaps);
+        srvbmp->bmp = bitmap;
+        srvbmp->bmp_id = srvgc->next_bmp_id++;
+        printf("gc_bitmap_create_srv: storing bmp_id=%lu\n", 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)
+{
+        sysarg_t bmp_id;
+        ipc_gc_srv_bitmap_t *bitmap;
+        errno_t rc;
+
+        bmp_id = ipc_get_arg1(call);
+
+        bitmap = gc_bitmap_lookup(srvgc, bmp_id);
+        if (bitmap == NULL) {
+                async_answer_0(call, ENOENT);
+                return;
+        }
+
+        rc = gfx_bitmap_destroy(bitmap->bmp);
+        if (rc != EOK) {
+                async_answer_0(call, rc);
+                return;
+        }
+
+        list_remove(&bitmap->lbitmaps);
+        free(bitmap);
+
+        async_answer_0(call, rc);
+}
+
+static void gc_bitmap_render_srv(ipc_gc_srv_t *srvgc, ipc_call_t *icall)
+{
+        ipc_gc_srv_bitmap_t *bitmap;
+        sysarg_t bmp_id;
+        gfx_rect_t srect;
+        gfx_coord2_t offs;
+        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_rect_t)) {
+                async_answer_0(&call, EINVAL);
+                async_answer_0(icall, EINVAL);
+                return;
+        }
+
+        rc = async_data_write_finalize(&call, &srect, size);
+        if (rc != EOK) {
+                async_answer_0(&call, rc);
+                async_answer_0(icall, rc);
+                return;
+        }
+
+        bmp_id = ipc_get_arg1(icall);
+        offs.x = ipc_get_arg2(icall);
+        offs.y = ipc_get_arg3(icall);
+
+        bitmap = gc_bitmap_lookup(srvgc, bmp_id);
+        if (bitmap == NULL) {
+                async_answer_0(icall, ENOENT);
+                return;
+        }
+
+        rc = gfx_bitmap_render(bitmap->bmp, &srect, &offs);
+        async_answer_0(icall, rc);
+}
+
 errno_t gc_conn(ipc_call_t *icall, gfx_context_t *gc)
 {
+        ipc_gc_srv_t srvgc;
+
         /* Accept the connection */
         async_accept_0(icall);
 
         printf("gc_conn: accepted connection\n");
+        srvgc.gc = gc;
+        list_initialize(&srvgc.bitmaps);
+        srvgc.next_bmp_id = 1;
 
         while (true) {
@@ -104 +263 @@
                 case GC_SET_RGB_COLOR:
                         printf("gc_conn: set_rgb_color\n");
-                        gc_set_rgb_color_srv(gc, &call);
+                        gc_set_rgb_color_srv(&srvgc, &call);
                         printf("gc_conn: done set_rgb_color\n");
                         break;
                 case GC_FILL_RECT:
                         printf("gc_conn: fill_rect_srv\n");
-                        gc_fill_rect_srv(gc, &call);
+                        gc_fill_rect_srv(&srvgc, &call);
                         printf("gc_conn: done fill_rect_srv\n");
+                        break;
+                case GC_BITMAP_CREATE:
+                        printf("gc_conn: bitmap_create_srv\n");
+                        gc_bitmap_create_srv(&srvgc, &call);
+                        printf("gc_conn: done bitmap_create_srv\n");
+                        break;
+                case GC_BITMAP_DESTROY:
+                        printf("gc_conn: bitmap_destroy_srv\n");
+                        gc_bitmap_destroy_srv(&srvgc, &call);
+                        printf("gc_conn: done bitmap_destroy_srv\n");
+                        break;
+                case GC_BITMAP_RENDER:
+                        printf("gc_conn: bitmap_render_srv\n");
+                        gc_bitmap_render_srv(&srvgc, &call);
+                        printf("gc_conn: done bitmap_render_srv\n");
                         break;
                 default:
@@ -122 +296 @@
 }
 
+static ipc_gc_srv_bitmap_t *gc_bitmap_lookup(ipc_gc_srv_t *srvgc,
+    sysarg_t bmp_id)
+{
+        link_t *link;
+        ipc_gc_srv_bitmap_t *bmp;
+
+        link = list_first(&srvgc->bitmaps);
+        while (link != NULL) {
+                bmp = list_get_instance(link, ipc_gc_srv_bitmap_t, lbitmaps);
+                printf("gc_bitmap_lookup: %lu==%lu?\n", bmp->bmp_id, bmp_id);
+                if (bmp->bmp_id == bmp_id)
+                        return bmp;
+                link = list_next(link, &srvgc->bitmaps);
+        }
+
+        return NULL;
+}
+
 /** @}
  */