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-rw-r--r--tests/modetest/buffers.c340
1 files changed, 340 insertions, 0 deletions
diff --git a/tests/modetest/buffers.c b/tests/modetest/buffers.c
new file mode 100644
index 0000000..0b55aed
--- /dev/null
+++ b/tests/modetest/buffers.c
@@ -0,0 +1,340 @@
+/*
+ * DRM based mode setting test program
+ * Copyright 2008 Tungsten Graphics
+ * Jakob Bornecrantz <jakob@tungstengraphics.com>
+ * Copyright 2008 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/ioctl.h>
+
+#include "drm.h"
+#include "drm_fourcc.h"
+
+#include "libdrm_macros.h"
+#include "xf86drm.h"
+#include "xf86drmMode.h"
+
+#include "buffers.h"
+
+struct bo
+{
+ int fd;
+ void *ptr;
+ uint64_t size;
+ uint32_t pitch;
+ uint32_t handle;
+};
+
+/* -----------------------------------------------------------------------------
+ * Buffers management
+ */
+
+static struct bo *
+bo_create_dumb(int fd, unsigned int width, unsigned int height, unsigned int bpp)
+{
+ struct bo *bo;
+ int ret;
+
+ bo = calloc(1, sizeof(*bo));
+ if (bo == NULL) {
+ fprintf(stderr, "failed to allocate buffer object\n");
+ return NULL;
+ }
+
+ ret = drmModeCreateDumbBuffer(fd, width, height, bpp, 0, &bo->handle,
+ &bo->pitch, &bo->size);
+ if (ret) {
+ fprintf(stderr, "failed to create dumb buffer: %s\n",
+ strerror(errno));
+ free(bo);
+ return NULL;
+ }
+
+ bo->fd = fd;
+
+ return bo;
+}
+
+static int bo_map(struct bo *bo, void **out)
+{
+ void *map;
+ int ret;
+ uint64_t offset;
+
+ ret = drmModeMapDumbBuffer(bo->fd, bo->handle, &offset);
+ if (ret)
+ return ret;
+
+ map = drm_mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ bo->fd, offset);
+ if (map == MAP_FAILED)
+ return -EINVAL;
+
+ bo->ptr = map;
+ *out = map;
+
+ return 0;
+}
+
+static void bo_unmap(struct bo *bo)
+{
+ if (!bo->ptr)
+ return;
+
+ drm_munmap(bo->ptr, bo->size);
+ bo->ptr = NULL;
+}
+
+struct bo *
+bo_create(int fd, unsigned int format,
+ unsigned int width, unsigned int height,
+ unsigned int handles[4], unsigned int pitches[4],
+ unsigned int offsets[4], enum util_fill_pattern pattern)
+{
+ unsigned int virtual_height;
+ struct bo *bo;
+ unsigned int bpp;
+ void *planes[3] = { 0, };
+ void *virtual;
+ int ret;
+
+ switch (format) {
+ case DRM_FORMAT_C8:
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV61:
+ case DRM_FORMAT_YUV420:
+ case DRM_FORMAT_YVU420:
+ bpp = 8;
+ break;
+
+ case DRM_FORMAT_ARGB4444:
+ case DRM_FORMAT_XRGB4444:
+ case DRM_FORMAT_ABGR4444:
+ case DRM_FORMAT_XBGR4444:
+ case DRM_FORMAT_RGBA4444:
+ case DRM_FORMAT_RGBX4444:
+ case DRM_FORMAT_BGRA4444:
+ case DRM_FORMAT_BGRX4444:
+ case DRM_FORMAT_ARGB1555:
+ case DRM_FORMAT_XRGB1555:
+ case DRM_FORMAT_ABGR1555:
+ case DRM_FORMAT_XBGR1555:
+ case DRM_FORMAT_RGBA5551:
+ case DRM_FORMAT_RGBX5551:
+ case DRM_FORMAT_BGRA5551:
+ case DRM_FORMAT_BGRX5551:
+ case DRM_FORMAT_RGB565:
+ case DRM_FORMAT_BGR565:
+ case DRM_FORMAT_UYVY:
+ case DRM_FORMAT_VYUY:
+ case DRM_FORMAT_YUYV:
+ case DRM_FORMAT_YVYU:
+ bpp = 16;
+ break;
+
+ case DRM_FORMAT_BGR888:
+ case DRM_FORMAT_RGB888:
+ bpp = 24;
+ break;
+
+ case DRM_FORMAT_ARGB8888:
+ case DRM_FORMAT_XRGB8888:
+ case DRM_FORMAT_ABGR8888:
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_RGBA8888:
+ case DRM_FORMAT_RGBX8888:
+ case DRM_FORMAT_BGRA8888:
+ case DRM_FORMAT_BGRX8888:
+ case DRM_FORMAT_ARGB2101010:
+ case DRM_FORMAT_XRGB2101010:
+ case DRM_FORMAT_ABGR2101010:
+ case DRM_FORMAT_XBGR2101010:
+ case DRM_FORMAT_RGBA1010102:
+ case DRM_FORMAT_RGBX1010102:
+ case DRM_FORMAT_BGRA1010102:
+ case DRM_FORMAT_BGRX1010102:
+ bpp = 32;
+ break;
+
+ case DRM_FORMAT_XRGB16161616F:
+ case DRM_FORMAT_XBGR16161616F:
+ case DRM_FORMAT_ARGB16161616F:
+ case DRM_FORMAT_ABGR16161616F:
+ bpp = 64;
+ break;
+
+ default:
+ fprintf(stderr, "unsupported format 0x%08x\n", format);
+ return NULL;
+ }
+
+ switch (format) {
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ case DRM_FORMAT_YUV420:
+ case DRM_FORMAT_YVU420:
+ virtual_height = height * 3 / 2;
+ break;
+
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV61:
+ virtual_height = height * 2;
+ break;
+
+ default:
+ virtual_height = height;
+ break;
+ }
+
+ bo = bo_create_dumb(fd, width, virtual_height, bpp);
+ if (!bo)
+ return NULL;
+
+ ret = bo_map(bo, &virtual);
+ if (ret) {
+ fprintf(stderr, "failed to map buffer: %s\n",
+ strerror(-errno));
+ bo_destroy(bo);
+ return NULL;
+ }
+
+ /* just testing a limited # of formats to test single
+ * and multi-planar path.. would be nice to add more..
+ */
+ switch (format) {
+ case DRM_FORMAT_UYVY:
+ case DRM_FORMAT_VYUY:
+ case DRM_FORMAT_YUYV:
+ case DRM_FORMAT_YVYU:
+ offsets[0] = 0;
+ handles[0] = bo->handle;
+ pitches[0] = bo->pitch;
+
+ planes[0] = virtual;
+ break;
+
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV61:
+ offsets[0] = 0;
+ handles[0] = bo->handle;
+ pitches[0] = bo->pitch;
+ pitches[1] = pitches[0];
+ offsets[1] = pitches[0] * height;
+ handles[1] = bo->handle;
+
+ planes[0] = virtual;
+ planes[1] = virtual + offsets[1];
+ break;
+
+ case DRM_FORMAT_YUV420:
+ case DRM_FORMAT_YVU420:
+ offsets[0] = 0;
+ handles[0] = bo->handle;
+ pitches[0] = bo->pitch;
+ pitches[1] = pitches[0] / 2;
+ offsets[1] = pitches[0] * height;
+ handles[1] = bo->handle;
+ pitches[2] = pitches[1];
+ offsets[2] = offsets[1] + pitches[1] * height / 2;
+ handles[2] = bo->handle;
+
+ planes[0] = virtual;
+ planes[1] = virtual + offsets[1];
+ planes[2] = virtual + offsets[2];
+ break;
+
+ case DRM_FORMAT_C8:
+ case DRM_FORMAT_ARGB4444:
+ case DRM_FORMAT_XRGB4444:
+ case DRM_FORMAT_ABGR4444:
+ case DRM_FORMAT_XBGR4444:
+ case DRM_FORMAT_RGBA4444:
+ case DRM_FORMAT_RGBX4444:
+ case DRM_FORMAT_BGRA4444:
+ case DRM_FORMAT_BGRX4444:
+ case DRM_FORMAT_ARGB1555:
+ case DRM_FORMAT_XRGB1555:
+ case DRM_FORMAT_ABGR1555:
+ case DRM_FORMAT_XBGR1555:
+ case DRM_FORMAT_RGBA5551:
+ case DRM_FORMAT_RGBX5551:
+ case DRM_FORMAT_BGRA5551:
+ case DRM_FORMAT_BGRX5551:
+ case DRM_FORMAT_RGB565:
+ case DRM_FORMAT_BGR565:
+ case DRM_FORMAT_BGR888:
+ case DRM_FORMAT_RGB888:
+ case DRM_FORMAT_ARGB8888:
+ case DRM_FORMAT_XRGB8888:
+ case DRM_FORMAT_ABGR8888:
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_RGBA8888:
+ case DRM_FORMAT_RGBX8888:
+ case DRM_FORMAT_BGRA8888:
+ case DRM_FORMAT_BGRX8888:
+ case DRM_FORMAT_ARGB2101010:
+ case DRM_FORMAT_XRGB2101010:
+ case DRM_FORMAT_ABGR2101010:
+ case DRM_FORMAT_XBGR2101010:
+ case DRM_FORMAT_RGBA1010102:
+ case DRM_FORMAT_RGBX1010102:
+ case DRM_FORMAT_BGRA1010102:
+ case DRM_FORMAT_BGRX1010102:
+ case DRM_FORMAT_XRGB16161616F:
+ case DRM_FORMAT_XBGR16161616F:
+ case DRM_FORMAT_ARGB16161616F:
+ case DRM_FORMAT_ABGR16161616F:
+ offsets[0] = 0;
+ handles[0] = bo->handle;
+ pitches[0] = bo->pitch;
+
+ planes[0] = virtual;
+ break;
+ }
+
+ util_fill_pattern(format, pattern, planes, width, height, pitches[0]);
+ bo_unmap(bo);
+
+ return bo;
+}
+
+void bo_destroy(struct bo *bo)
+{
+ int ret;
+
+ ret = drmModeDestroyDumbBuffer(bo->fd, bo->handle);
+ if (ret)
+ fprintf(stderr, "failed to destroy dumb buffer: %s\n",
+ strerror(errno));
+
+ free(bo);
+}
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