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-rw-r--r--tests/etnaviv/write_bmp.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/tests/etnaviv/write_bmp.c b/tests/etnaviv/write_bmp.c
new file mode 100644
index 0000000..f7b6bc6
--- /dev/null
+++ b/tests/etnaviv/write_bmp.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2011 Luc Verhaegen <libv@codethink.co.uk>
+ *
+ * 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, sub license,
+ * 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT. 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.
+ *
+ */
+/*
+ * Quick 'n Dirty bitmap dumper.
+ */
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+
+#include "write_bmp.h"
+
+#define FILENAME_SIZE 1024
+
+struct bmp_header {
+ unsigned short magic;
+ unsigned int size;
+ unsigned int unused;
+ unsigned int start;
+} __attribute__((__packed__));
+
+struct dib_header {
+ unsigned int size;
+ unsigned int width;
+ unsigned int height;
+ unsigned short planes;
+ unsigned short bpp;
+ unsigned int compression;
+ unsigned int data_size;
+ unsigned int h_res;
+ unsigned int v_res;
+ unsigned int colours;
+ unsigned int important_colours;
+ unsigned int red_mask;
+ unsigned int green_mask;
+ unsigned int blue_mask;
+ unsigned int alpha_mask;
+ unsigned int colour_space;
+ unsigned int unused[12];
+} __attribute__((__packed__));
+
+static void
+bmp_header_write(int fd, int width, int height, int bgra, int noflip, int alpha)
+{
+ struct bmp_header bmp_header = {
+ .magic = 0x4d42,
+ .size = (width * height * 4) +
+ sizeof(struct bmp_header) + sizeof(struct dib_header),
+ .start = sizeof(struct bmp_header) + sizeof(struct dib_header),
+ };
+ struct dib_header dib_header = {
+ .size = sizeof(struct dib_header),
+ .width = width,
+ .height = noflip ? -height : height,
+ .planes = 1,
+ .bpp = 32,
+ .compression = 3,
+ .data_size = 4 * width * height,
+ .h_res = 0xB13,
+ .v_res = 0xB13,
+ .colours = 0,
+ .important_colours = 0,
+ .red_mask = 0x000000FF,
+ .green_mask = 0x0000FF00,
+ .blue_mask = 0x00FF0000,
+ .alpha_mask = alpha ? 0xFF000000 : 0x00000000,
+ .colour_space = 0x57696E20,
+ };
+
+ if (bgra) {
+ dib_header.red_mask = 0x00FF0000;
+ dib_header.blue_mask = 0x000000FF;
+ }
+
+ write(fd, &bmp_header, sizeof(struct bmp_header));
+ write(fd, &dib_header, sizeof(struct dib_header));
+}
+
+void
+bmp_dump32(char *buffer, unsigned width, unsigned height, bool bgra, const char *filename)
+{
+ int fd;
+
+ fd = open(filename, O_WRONLY| O_TRUNC | O_CREAT, 0666);
+ if (fd == -1) {
+ printf("Failed to open %s: %s\n", filename, strerror(errno));
+ return;
+ }
+
+ bmp_header_write(fd, width, height, bgra, false, true);
+
+ write(fd, buffer, width * height * 4);
+}
+
+void
+bmp_dump32_noflip(char *buffer, unsigned width, unsigned height, bool bgra, const char *filename)
+{
+ int fd;
+
+ fd = open(filename, O_WRONLY| O_TRUNC | O_CREAT, 0666);
+ if (fd == -1) {
+ printf("Failed to open %s: %s\n", filename, strerror(errno));
+ return;
+ }
+
+ bmp_header_write(fd, width, height, bgra, true, true);
+
+ write(fd, buffer, width * height * 4);
+}
+
+void
+bmp_dump32_ex(char *buffer, unsigned width, unsigned height, bool flip, bool bgra, bool alpha, const char *filename)
+{
+ int fd;
+
+ fd = open(filename, O_WRONLY| O_TRUNC | O_CREAT, 0666);
+ if (fd == -1) {
+ printf("Failed to open %s: %s\n", filename, strerror(errno));
+ return;
+ }
+
+ bmp_header_write(fd, width, height, bgra, flip, alpha);
+
+ write(fd, buffer, width * height * 4);
+}