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Diffstat (limited to 'plugins/gpulib/cspace.c')
| -rw-r--r-- | plugins/gpulib/cspace.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/plugins/gpulib/cspace.c b/plugins/gpulib/cspace.c deleted file mode 100644 index f0c4912..0000000 --- a/plugins/gpulib/cspace.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * (C) GraÅžvydas "notaz" Ignotas, 2011,2012 - * - * This work is licensed under the terms of any of these licenses - * (at your option): - * - GNU GPL, version 2 or later. - * - GNU LGPL, version 2.1 or later. - * See the COPYING file in the top-level directory. - */ - -#include "cspace.h" - -/* - * note: these are intended for testing and should be avoided - * in favor of NEON version or platform-specific conversion - */ - -#ifndef __ARM_NEON__ - -void bgr555_to_rgb565(void *dst_, const void *src_, int bytes) -{ - const unsigned int *src = src_; - unsigned int *dst = dst_; - unsigned int p; - int x; - - for (x = 0; x < bytes / 4; x++) { - p = src[x]; - p = ((p & 0x7c007c00) >> 10) | ((p & 0x03e003e0) << 1) - | ((p & 0x001f001f) << 11); - dst[x] = p; - } -} - -void bgr888_to_rgb565(void *dst_, const void *src_, int bytes) -{ - const unsigned char *src = src_; - unsigned int *dst = dst_; - unsigned int r1, g1, b1, r2, g2, b2; - - for (; bytes >= 6; bytes -= 6, src += 6, dst++) { - r1 = src[0] & 0xf8; - g1 = src[1] & 0xfc; - b1 = src[2] & 0xf8; - r2 = src[3] & 0xf8; - g2 = src[4] & 0xfc; - b2 = src[5] & 0xf8; - *dst = (r2 << 24) | (g2 << 19) | (b2 << 13) | - (r1 << 8) | (g1 << 3) | (b1 >> 3); - } -} - -// TODO? -void rgb888_to_rgb565(void *dst, const void *src, int bytes) {} -void bgr888_to_rgb888(void *dst, const void *src, int bytes) {} - -#endif // __ARM_NEON__ - -/* YUV stuff */ -static int yuv_ry[32], yuv_gy[32], yuv_by[32]; -static unsigned char yuv_u[32 * 2], yuv_v[32 * 2]; - -void bgr_to_uyvy_init(void) -{ - int i, v; - - /* init yuv converter: - y0 = (int)((0.299f * r0) + (0.587f * g0) + (0.114f * b0)); - y1 = (int)((0.299f * r1) + (0.587f * g1) + (0.114f * b1)); - u = (int)(8 * 0.565f * (b0 - y0)) + 128; - v = (int)(8 * 0.713f * (r0 - y0)) + 128; - */ - for (i = 0; i < 32; i++) { - yuv_ry[i] = (int)(0.299f * i * 65536.0f + 0.5f); - yuv_gy[i] = (int)(0.587f * i * 65536.0f + 0.5f); - yuv_by[i] = (int)(0.114f * i * 65536.0f + 0.5f); - } - for (i = -32; i < 32; i++) { - v = (int)(8 * 0.565f * i) + 128; - if (v < 0) - v = 0; - if (v > 255) - v = 255; - yuv_u[i + 32] = v; - v = (int)(8 * 0.713f * i) + 128; - if (v < 0) - v = 0; - if (v > 255) - v = 255; - yuv_v[i + 32] = v; - } -} - -void rgb565_to_uyvy(void *d, const void *s, int pixels) -{ - unsigned int *dst = d; - const unsigned short *src = s; - const unsigned char *yu = yuv_u + 32; - const unsigned char *yv = yuv_v + 32; - int r0, g0, b0, r1, g1, b1; - int y0, y1, u, v; - - for (; pixels > 0; src += 2, dst++, pixels -= 2) - { - r0 = (src[0] >> 11) & 0x1f; - g0 = (src[0] >> 6) & 0x1f; - b0 = src[0] & 0x1f; - r1 = (src[1] >> 11) & 0x1f; - g1 = (src[1] >> 6) & 0x1f; - b1 = src[1] & 0x1f; - y0 = (yuv_ry[r0] + yuv_gy[g0] + yuv_by[b0]) >> 16; - y1 = (yuv_ry[r1] + yuv_gy[g1] + yuv_by[b1]) >> 16; - u = yu[b0 - y0]; - v = yv[r0 - y0]; - // valid Y range seems to be 16..235 - y0 = 16 + 219 * y0 / 31; - y1 = 16 + 219 * y1 / 31; - - *dst = (y1 << 24) | (v << 16) | (y0 << 8) | u; - } -} - -void bgr555_to_uyvy(void *d, const void *s, int pixels) -{ - unsigned int *dst = d; - const unsigned short *src = s; - const unsigned char *yu = yuv_u + 32; - const unsigned char *yv = yuv_v + 32; - int r0, g0, b0, r1, g1, b1; - int y0, y1, u, v; - - for (; pixels > 0; src += 2, dst++, pixels -= 2) - { - b0 = (src[0] >> 10) & 0x1f; - g0 = (src[0] >> 5) & 0x1f; - r0 = src[0] & 0x1f; - b1 = (src[1] >> 10) & 0x1f; - g1 = (src[1] >> 5) & 0x1f; - r1 = src[1] & 0x1f; - y0 = (yuv_ry[r0] + yuv_gy[g0] + yuv_by[b0]) >> 16; - y1 = (yuv_ry[r1] + yuv_gy[g1] + yuv_by[b1]) >> 16; - u = yu[b0 - y0]; - v = yv[r0 - y0]; - y0 = 16 + 219 * y0 / 31; - y1 = 16 + 219 * y1 / 31; - - *dst = (y1 << 24) | (v << 16) | (y0 << 8) | u; - } -} - -void bgr888_to_uyvy(void *d, const void *s, int pixels) -{ - unsigned int *dst = d; - const unsigned char *src8 = s; - const unsigned char *yu = yuv_u + 32; - const unsigned char *yv = yuv_v + 32; - int r0, g0, b0, r1, g1, b1; - int y0, y1, u, v; - - for (; pixels > 0; src8 += 3*2, dst++, pixels -= 2) - { - r0 = src8[0], g0 = src8[1], b0 = src8[2]; - r1 = src8[3], g1 = src8[4], b1 = src8[5]; - y0 = (r0 * 19595 + g0 * 38470 + b0 * 7471) >> 16; - y1 = (r1 * 19595 + g1 * 38470 + b1 * 7471) >> 16; - u = yu[(b0 - y0) / 8]; - v = yv[(r0 - y0) / 8]; - y0 = 16 + 219 * y0 / 255; - y1 = 16 + 219 * y1 / 255; - - *dst = (y1 << 24) | (v << 16) | (y0 << 8) | u; - } -} |