--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/fb_render_template.h Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,346 @@
+/*
+ * Render Engine for framebuffer devices
+ *
+ * Copyright (c) 2008 CodeSourcery
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* This file is included from fb_render_def.h
+ At the moment of this inclusion, the following
+ preprocessor parameters are defined:
+ DEST_BPP { 8,15,16,24,32 }
+ FB_SRC_COLOR_ORDER { FB_CO_RGB, FB_CO_BGR }
+ FB_SRC_BYTE_ORDER { FB_LITTLE_ENDIAN, FB_BIG_ENDIAN }
+ FB_SRC_PIXEL_ORDER { FB_LITTLE_ENDIAN, FB_BIG_ENDIAN }
+*/
+
+
+/* The COPY_PIXEL macro does two things:
+ 1) Copies all the bytes involved in the pixel (depending on the DEST_BPP)
+ 2) Leaves the 'dest' parameter pointing to the first byte of next pixel.
+ This depends also by the rotation parameter. The rotation modifies the
+ 'increment' bytes between pixels.
+*/
+
+#if DEST_BPP == 8
+# define COPY_PIXEL(to, from, increment) { *to = from; to += increment; }
+#elif DEST_BPP == 15 || DEST_BPP == 16
+# define COPY_PIXEL(to, from, increment) { *(uint16_t *)to = from; to += increment; }
+#elif DEST_BPP == 24
+# define COPY_PIXEL(to, from, increment) \
+ { *to = from; to += increment; *to = (from) >> 8; to += increment; *to = (from) >> 16; to += increment; }
+#elif DEST_BPP == 32
+# define COPY_PIXEL(to, from, increment) *(uint32_t *)to = from; to += increment;
+#else
+# error unknown bit depth
+#endif
+
+
+/* Define the infixes of the functions name */
+
+#if FB_SRC_COLOR_ORDER == FB_CO_RGB
+# define SRC_COLOR_ORDER_INFIX rgb
+#else
+# define SRC_COLOR_ORDER_INFIX bgr
+#endif
+
+#if FB_SRC_BYTE_ORDER == FB_LITTLE_ENDIAN
+# define SRC_BYTE_ORDER_INFIX lb
+#else
+# define SRC_BYTE_ORDER_INFIX bb
+#endif
+
+#if FB_SRC_PIXEL_ORDER == FB_LITTLE_ENDIAN
+# define SRC_PIXEL_ORDER_INFIX lp
+#else
+# define SRC_PIXEL_ORDER_INFIX bp
+#endif
+
+#define MAKE_FN_SUFFIX(dest_bpp,color_order,byte_order,pixel_order) \
+ byte_order##pixel_order##_##color_order##dest_bpp
+
+#define FN_SUFFIX glue(SRC_BYTE_ORDER_INFIX,glue(SRC_PIXEL_ORDER_INFIX,glue(_,glue(SRC_COLOR_ORDER_INFIX,DEST_BPP))))
+
+#ifdef WORDS_BIGENDIAN
+# define FB_DEST_BYTE_ORDER FB_BIG_ENDIAN
+#else
+# define FB_DEST_BYTE_ORDER FB_LITTLE_ENDIAN
+#endif
+
+
+#if FB_SRC_BYTE_ORDER != FB_DEST_BYTE_ORDER
+# define SWAP_WORDS 1
+#endif
+
+#if FB_SRC_BYTE_ORDER != FB_SRC_PIXEL_ORDER
+# define SWAP_PIXELS 1
+#endif
+
+
+#define FN_2(x, y) FN(x, y) FN(x+1, y)
+#define FN_4(x, y) FN_2(x, y) FN_2(x+2, y)
+#define FN_8(y) FN_4(0, y) FN_4(4, y)
+
+
+static void glue(fb_draw_line1_,FN_SUFFIX)(uint32_t *palette, uint8_t *d, const uint8_t *src, int width, int increment)
+{
+ uint32_t data;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_PIXELS
+# define FN(x, y) COPY_PIXEL(d, palette[(data >> (y + 7 - (x))) & 1], increment);
+#else
+# define FN(x, y) COPY_PIXEL(d, palette[(data >> ((x) + y)) & 1], increment);
+#endif
+#ifdef SWAP_WORDS
+ FN_8(24)
+ FN_8(16)
+ FN_8(8)
+ FN_8(0)
+#else
+ FN_8(0)
+ FN_8(8)
+ FN_8(16)
+ FN_8(24)
+#endif
+#undef FN
+ width -= 32;
+ src += 4;
+ }
+}
+
+static void glue(fb_draw_line2_,FN_SUFFIX)(uint32_t *palette, uint8_t *d, const uint8_t *src, int width, int increment)
+{
+ uint32_t data;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_PIXELS
+#define FN(x, y) COPY_PIXEL(d, palette[(data >> (y + 6 - (x)*2)) & 3], increment);
+#else
+#define FN(x, y) COPY_PIXEL(d, palette[(data >> ((x)*2 + y)) & 3], increment);
+#endif
+#ifdef SWAP_WORDS
+ FN_4(0, 24)
+ FN_4(0, 16)
+ FN_4(0, 8)
+ FN_4(0, 0)
+#else
+ FN_4(0, 0)
+ FN_4(0, 8)
+ FN_4(0, 16)
+ FN_4(0, 24)
+#endif
+#undef FN
+ width -= 16;
+ src += 4;
+ }
+}
+
+static void glue(fb_draw_line4_,FN_SUFFIX)(uint32_t *palette, uint8_t *d, const uint8_t *src, int width, int increment)
+{
+ uint32_t data;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_PIXELS
+# define FN(x, y) COPY_PIXEL(d, palette[(data >> (y + 4 - (x)*4)) & 0xf], increment);
+#else
+# define FN(x, y) COPY_PIXEL(d, palette[(data >> ((x)*4 + y)) & 0xf], increment);
+#endif
+#ifdef SWAP_WORDS
+ FN_2(0, 24)
+ FN_2(0, 16)
+ FN_2(0, 8)
+ FN_2(0, 0)
+#else
+ FN_2(0, 0)
+ FN_2(0, 8)
+ FN_2(0, 16)
+ FN_2(0, 24)
+#endif
+#undef FN
+ width -= 8;
+ src += 4;
+ }
+}
+
+static void glue(fb_draw_line8_,FN_SUFFIX)(uint32_t *palette, uint8_t *d, const uint8_t *src, int width, int increment)
+{
+ uint32_t data;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#define FN(x) COPY_PIXEL(d, palette[(data >> (x)) & 0xff], increment);
+#ifdef SWAP_WORDS
+ FN(24)
+ FN(16)
+ FN(8)
+ FN(0)
+#else
+ FN(0)
+ FN(8)
+ FN(16)
+ FN(24)
+#endif
+#undef FN
+ width -= 4;
+ src += 4;
+ }
+}
+
+static void glue(fb_draw_line15_,FN_SUFFIX)(uint32_t *palette, uint8_t *d, const uint8_t *src, int width, int increment)
+{
+ uint32_t data;
+ unsigned int r, g, b;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_WORDS
+ data = bswap32(data);
+#endif
+#if FB_SRC_COLOR_ORDER == FB_CO_RGB
+# define LSB r
+# define MSB b
+#else
+# define LSB b
+# define MSB r
+#endif
+
+ /* byte swapping done by bswap32 */
+ LSB = (data & 0x1f) << 3;
+ data >>= 5;
+ g = (data & 0x1f) << 3;
+ data >>= 5;
+ MSB = (data & 0x1f) << 3;
+ data >>= 6;
+ COPY_PIXEL(d, glue(rgb_to_pixel,DEST_BPP)(r, g, b), increment);
+
+ LSB = (data & 0x1f) << 3;
+ data >>= 5;
+ g = (data & 0x1f) << 3;
+ data >>= 5;
+ MSB = (data & 0x1f) << 3;
+ COPY_PIXEL(d, glue(rgb_to_pixel,DEST_BPP)(r, g, b), increment);
+#undef MSB
+#undef LSB
+ width -= 2;
+ src += 4;
+ }
+}
+
+static void glue(fb_draw_line16_,FN_SUFFIX)(uint32_t *palette, uint8_t *d, const uint8_t *src, int width, int increment)
+{
+ uint32_t data;
+ unsigned int r, g, b;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_WORDS
+ data = bswap32(data);
+#endif
+#if FB_SRC_COLOR_ORDER == FB_CO_RGB
+# define LSB r
+# define MSB b
+#else
+# define LSB b
+# define MSB r
+#endif
+
+ /* byte swapping done by bswap32 */
+ LSB = (data & 0x1f) << 3;
+ data >>= 5;
+ g = (data & 0x3f) << 2;
+ data >>= 6;
+ MSB = (data & 0x1f) << 3;
+ data >>= 5;
+ COPY_PIXEL(d, glue(rgb_to_pixel,DEST_BPP)(r, g, b), increment);
+
+ LSB = (data & 0x1f) << 3;
+ data >>= 5;
+ g = (data & 0x3f) << 2;
+ data >>= 6;
+ MSB = (data & 0x1f) << 3;
+ data >>= 5;
+ COPY_PIXEL(d, glue(rgb_to_pixel,DEST_BPP)(r, g, b), increment);
+#undef MSB
+#undef LSB
+ width -= 2;
+ src += 4;
+ }
+}
+
+static void glue(fb_draw_line24_,FN_SUFFIX)(uint32_t *palette, uint8_t *d, const uint8_t *src, int width, int increment)
+{
+ unsigned int r, g, b;
+ while (width > 0) {
+#if FB_SRC_COLOR_ORDER == FB_CO_RGB
+# define LSB r
+# define MSB b
+#else
+# define LSB b
+# define MSB r
+#endif
+ /* byte swapping not implemented in 24 bpp */
+ LSB = *src; src++;
+ g = *src; src++;
+ MSB = *src; src++;
+
+ COPY_PIXEL(d, glue(rgb_to_pixel,DEST_BPP)(r, g, b), increment);
+#undef MSB
+#undef LSB
+ width--;
+ }
+}
+
+static void glue(fb_draw_line32_,FN_SUFFIX)(uint32_t *palette, uint8_t *d, const uint8_t *src, int width, int increment)
+{
+ uint32_t data;
+ unsigned int r, g, b;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#if FB_SRC_COLOR_ORDER == FB_CO_RGB
+# define LSB r
+# define MSB b
+#else
+# define LSB b
+# define MSB r
+#endif
+#ifndef SWAP_WORDS
+ LSB = data & 0xff;
+ g = (data >> 8) & 0xff;
+ MSB = (data >> 16) & 0xff;
+#else
+ LSB = (data >> 24) & 0xff;
+ g = (data >> 16) & 0xff;
+ MSB = (data >> 8) & 0xff;
+#endif
+ COPY_PIXEL(d, glue(rgb_to_pixel,DEST_BPP)(r, g, b), increment);
+#undef MSB
+#undef LSB
+ width--;
+ src += 4;
+ }
+}
+
+/* Undefine all the local definitions, so they don't collide with the next time
+ this file is included in the tree */
+
+#undef COPY_PIXEL
+#undef SWAP_PIXELS
+#undef SWAP_WORDS
+#undef FN_SUFFIX
+#undef FB_DEST_BYTE_ORDER
+#undef SRC_COLOR_ORDER_INFIX
+#undef SRC_BYTE_ORDER_INFIX
+#undef SRC_PIXEL_ORDER_INFIX
+
+