From 1c45ff7ccd6f2dcb2a18975137bf30797ebbc857 Mon Sep 17 00:00:00 2001 From: michael Date: Tue, 6 Nov 2001 13:26:43 +0000 Subject: 15 bpp support git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2736 b3059339-0415-0410-9bf9-f77b7e298cf2 --- postproc/yuv2rgb_template.c | 88 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) (limited to 'postproc/yuv2rgb_template.c') diff --git a/postproc/yuv2rgb_template.c b/postproc/yuv2rgb_template.c index 833e6a95f3..78e369c9f3 100644 --- a/postproc/yuv2rgb_template.c +++ b/postproc/yuv2rgb_template.c @@ -23,6 +23,7 @@ * along with GNU Make; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * + * 15 and 24 bpp support from Michael Niedermayer (michaelni@gmx.at) */ #include @@ -229,6 +230,92 @@ YUV2RGB __asm__ __volatile__ (EMMS); } +static void yuv420_rgb15_mmx (uint8_t * image, uint8_t * py, + uint8_t * pu, uint8_t * pv, + int h_size, int v_size, + int rgb_stride, int y_stride, int uv_stride) +{ + int even = 1; + int x, y; + + __asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ ); + + for (y = v_size; --y >= 0; ) { + uint8_t *_image = image; + uint8_t *_py = py; + uint8_t *_pu = pu; + uint8_t *_pv = pv; + + /* load data for start of next scan line */ + __asm__ __volatile__ ( + "movd (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + "movd (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + "movq (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ + + : : "r" (_py), "r" (_pu), "r" (_pv)); + + for (x = h_size >> 3; --x >= 0; ) { + /* this mmx assembly code deals with SINGLE scan line at a time, it convert 8 + pixels in each iteration */ + + __asm__ __volatile__ ( +YUV2RGB + + /* mask unneeded bits off */ + "pand mmx_redmask, %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */ + "pand mmx_redmask, %%mm2;" /* g7g6g5g4 g3_0_0_0 g7g6g5g4 g3_0_0_0 */ + "pand mmx_redmask, %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */ + + "psrlw mmx_blueshift,%%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */ + "psrlw $1,%%mm1;" /* 0_r7r6r5 r4r3_0_0 0_r7r6r5 r4r3_0_0 */ + "pxor %%mm4, %%mm4;" /* zero mm4 */ + + "movq %%mm0, %%mm5;" /* Copy B7-B0 */ + "movq %%mm2, %%mm7;" /* Copy G7-G0 */ + + /* convert rgb24 plane to rgb16 pack for pixel 0-3 */ + "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3_0_0_0 */ + "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ + + "psllw $2, %%mm2;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */ + "por %%mm2, %%mm0;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */ + + "movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ + MOVNTQ " %%mm0, (%3);" /* store pixel 0-3 */ + + /* convert rgb24 plane to rgb16 pack for pixel 0-3 */ + "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 0_g7g6g5 g4g3_0_0 */ + "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ + + "psllw $2, %%mm7;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */ + "movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ + + "por %%mm7, %%mm5;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */ + "movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ + + MOVNTQ " %%mm5, 8 (%3);" /* store pixel 4-7 */ + : : "r" (_py), "r" (_pu), "r" (_pv), "r" (_image)); + + _py += 8; + _pu += 4; + _pv += 4; + _image += 16; + } + + if (!even) { + pu += uv_stride; + pv += uv_stride; + } + + py += y_stride; + image += rgb_stride; + + even = (!even); + } + + __asm__ __volatile__ (EMMS); +} + static void yuv420_rgb24_mmx (uint8_t * image, uint8_t * py, uint8_t * pu, uint8_t * pv, int h_size, int v_size, @@ -435,6 +522,7 @@ YUV2RGB yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode) { // if (bpp == 15 || bpp == 16) { + if (bpp == 15 && mode == MODE_RGB) return yuv420_rgb15_mmx; if (bpp == 16 && mode == MODE_RGB) return yuv420_rgb16_mmx; if (bpp == 24 && mode == MODE_RGB) return yuv420_rgb24_mmx; if (bpp == 32 && mode == MODE_RGB) return yuv420_argb32_mmx; -- cgit v1.2.3