--- /dev/null
+/*
+ * QEMU Epson S1D13744/S1D13745 templates
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define SKIP_PIXEL(to) (to += deststep)
+#if DEPTH == 8
+# define PIXEL_TYPE uint8_t
+# define COPY_PIXEL(to, from) do { *to = from; SKIP_PIXEL(to); } while (0)
+# define COPY_PIXEL1(to, from) (*to++ = from)
+#elif DEPTH == 15 || DEPTH == 16
+# define PIXEL_TYPE uint16_t
+# define COPY_PIXEL(to, from) do { *to = from; SKIP_PIXEL(to); } while (0)
+# define COPY_PIXEL1(to, from) (*to++ = from)
+#elif DEPTH == 24
+# define PIXEL_TYPE uint8_t
+# define COPY_PIXEL(to, from) \
+ do { \
+ to[0] = from; \
+ to[1] = (from) >> 8; \
+ to[2] = (from) >> 16; \
+ SKIP_PIXEL(to); \
+ } while (0)
+
+# define COPY_PIXEL1(to, from) \
+ do { \
+ *to++ = from; \
+ *to++ = (from) >> 8; \
+ *to++ = (from) >> 16; \
+ } while (0)
+#elif DEPTH == 32
+# define PIXEL_TYPE uint32_t
+# define COPY_PIXEL(to, from) do { *to = from; SKIP_PIXEL(to); } while (0)
+# define COPY_PIXEL1(to, from) (*to++ = from)
+#else
+# error unknown bit depth
+#endif
+
+#ifdef HOST_WORDS_BIGENDIAN
+# define SWAP_WORDS 1
+#endif
+
+static void glue(blizzard_draw_line16_, DEPTH)(PIXEL_TYPE *dest,
+ const uint16_t *src, unsigned int width)
+{
+#if !defined(SWAP_WORDS) && DEPTH == 16
+ memcpy(dest, src, width);
+#else
+ uint16_t data;
+ unsigned int r, g, b;
+ const uint16_t *end = (const void *) src + width;
+ while (src < end) {
+ data = *src ++;
+ b = (data & 0x1f) << 3;
+ data >>= 5;
+ g = (data & 0x3f) << 2;
+ data >>= 6;
+ r = (data & 0x1f) << 3;
+ data >>= 5;
+ COPY_PIXEL1(dest, glue(rgb_to_pixel, DEPTH)(r, g, b));
+ }
+#endif
+}
+
+static void glue(blizzard_draw_line24mode1_, DEPTH)(PIXEL_TYPE *dest,
+ const uint8_t *src, unsigned int width)
+{
+ /* TODO: check if SDL 24-bit planes are not in the same format and
+ * if so, use memcpy */
+ unsigned int r[2], g[2], b[2];
+ const uint8_t *end = src + width;
+ while (src < end) {
+ g[0] = *src ++;
+ r[0] = *src ++;
+ r[1] = *src ++;
+ b[0] = *src ++;
+ COPY_PIXEL1(dest, glue(rgb_to_pixel, DEPTH)(r[0], g[0], b[0]));
+ b[1] = *src ++;
+ g[1] = *src ++;
+ COPY_PIXEL1(dest, glue(rgb_to_pixel, DEPTH)(r[1], g[1], b[1]));
+ }
+}
+
+static void glue(blizzard_draw_line24mode2_, DEPTH)(PIXEL_TYPE *dest,
+ const uint8_t *src, unsigned int width)
+{
+ unsigned int r, g, b;
+ const uint8_t *end = src + width;
+ while (src < end) {
+ r = *src ++;
+ src ++;
+ b = *src ++;
+ g = *src ++;
+ COPY_PIXEL1(dest, glue(rgb_to_pixel, DEPTH)(r, g, b));
+ }
+}
+
+/* No rotation */
+static blizzard_fn_t glue(blizzard_draw_fn_, DEPTH)[0x10] = {
+ NULL,
+ /* RGB 5:6:5*/
+ (blizzard_fn_t) glue(blizzard_draw_line16_, DEPTH),
+ /* RGB 6:6:6 mode 1 */
+ (blizzard_fn_t) glue(blizzard_draw_line24mode1_, DEPTH),
+ /* RGB 8:8:8 mode 1 */
+ (blizzard_fn_t) glue(blizzard_draw_line24mode1_, DEPTH),
+ NULL, NULL,
+ /* RGB 6:6:6 mode 2 */
+ (blizzard_fn_t) glue(blizzard_draw_line24mode2_, DEPTH),
+ /* RGB 8:8:8 mode 2 */
+ (blizzard_fn_t) glue(blizzard_draw_line24mode2_, DEPTH),
+ /* YUV 4:2:2 */
+ NULL,
+ /* YUV 4:2:0 */
+ NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL,
+};
+
+/* 90deg, 180deg and 270deg rotation */
+static blizzard_fn_t glue(blizzard_draw_fn_r_, DEPTH)[0x10] = {
+ /* TODO */
+ [0 ... 0xf] = NULL,
+};
+
+#undef DEPTH
+#undef SKIP_PIXEL
+#undef COPY_PIXEL
+#undef COPY_PIXEL1
+#undef PIXEL_TYPE
+
+#undef SWAP_WORDS
Code Review / kvmfornfv.git / blobdiff