diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_tile.c')
| -rw-r--r-- | src/gallium/auxiliary/util/u_tile.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_tile.c b/src/gallium/auxiliary/util/u_tile.c index e445895efc5..09b2382733d 100644 --- a/src/gallium/auxiliary/util/u_tile.c +++ b/src/gallium/auxiliary/util/u_tile.c @@ -295,6 +295,55 @@ r8g8b8a8_put_tile_rgba(unsigned *dst, } +/*** PIPE_FORMAT_B5G5R5X1_UNORM ***/ + +static void +x1r5g5b5_get_tile_rgba(const ushort *src, + unsigned w, unsigned h, + float *p, + unsigned dst_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + const ushort pixel = *src++; + pRow[0] = ((pixel >> 10) & 0x1f) * (1.0f / 31.0f); + pRow[1] = ((pixel >> 5) & 0x1f) * (1.0f / 31.0f); + pRow[2] = ((pixel ) & 0x1f) * (1.0f / 31.0f); + pRow[3] = 1.0f; + } + p += dst_stride; + } +} + + +static void +x1r5g5b5_put_tile_rgba(ushort *dst, + unsigned w, unsigned h, + const float *p, + unsigned src_stride) +{ + unsigned i, j; + + for (i = 0; i < h; i++) { + const float *pRow = p; + for (j = 0; j < w; j++, pRow += 4) { + unsigned r, g, b; + r = float_to_ubyte(pRow[0]); + g = float_to_ubyte(pRow[1]); + b = float_to_ubyte(pRow[2]); + r = r >> 3; /* 5 bits */ + g = g >> 3; /* 5 bits */ + b = b >> 3; /* 5 bits */ + *dst++ = (1 << 15) | (r << 10) | (g << 5) | b; + } + p += src_stride; + } +} + + /*** PIPE_FORMAT_B5G5R5A1_UNORM ***/ static void @@ -1174,6 +1223,9 @@ pipe_tile_raw_to_rgba(enum pipe_format format, case PIPE_FORMAT_A8B8G8R8_UNORM: r8g8b8a8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); break; + case PIPE_FORMAT_B5G5R5X1_UNORM: + x1r5g5b5_get_tile_rgba((ushort *) src, w, h, dst, dst_stride); + break; case PIPE_FORMAT_B5G5R5A1_UNORM: a1r5g5b5_get_tile_rgba((ushort *) src, w, h, dst, dst_stride); break; @@ -1275,6 +1327,69 @@ pipe_get_tile_rgba(struct pipe_context *pipe, void +pipe_get_tile_swizzle(struct pipe_context *pipe, + struct pipe_transfer *pt, + uint x, + uint y, + uint w, + uint h, + uint swizzle_r, + uint swizzle_g, + uint swizzle_b, + uint swizzle_a, + enum pipe_format format, + float *p) +{ + unsigned dst_stride = w * 4; + void *packed; + uint i; + float rgba01[6]; + + if (pipe_clip_tile(x, y, &w, &h, pt)) { + return; + } + + packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format)); + if (!packed) { + return; + } + + if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) { + assert((x & 1) == 0); + } + + pipe_get_tile_raw(pipe, pt, x, y, w, h, packed, 0); + + pipe_tile_raw_to_rgba(format, packed, w, h, p, dst_stride); + + FREE(packed); + + if (swizzle_r == PIPE_SWIZZLE_RED && + swizzle_g == PIPE_SWIZZLE_GREEN && + swizzle_b == PIPE_SWIZZLE_BLUE && + swizzle_a == PIPE_SWIZZLE_ALPHA) { + /* no-op, skip */ + return; + } + + rgba01[PIPE_SWIZZLE_ZERO] = 0.0f; + rgba01[PIPE_SWIZZLE_ONE] = 1.0f; + + for (i = 0; i < w * h; i++) { + rgba01[PIPE_SWIZZLE_RED] = p[0]; + rgba01[PIPE_SWIZZLE_GREEN] = p[1]; + rgba01[PIPE_SWIZZLE_BLUE] = p[2]; + rgba01[PIPE_SWIZZLE_ALPHA] = p[3]; + + *p++ = rgba01[swizzle_r]; + *p++ = rgba01[swizzle_g]; + *p++ = rgba01[swizzle_b]; + *p++ = rgba01[swizzle_a]; + } +} + + +void pipe_put_tile_rgba(struct pipe_context *pipe, struct pipe_transfer *pt, uint x, uint y, uint w, uint h, @@ -1305,6 +1420,9 @@ pipe_put_tile_rgba(struct pipe_context *pipe, case PIPE_FORMAT_A8B8G8R8_UNORM: r8g8b8a8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride); break; + case PIPE_FORMAT_B5G5R5X1_UNORM: + x1r5g5b5_put_tile_rgba((ushort *) packed, w, h, p, src_stride); + break; case PIPE_FORMAT_B5G5R5A1_UNORM: a1r5g5b5_put_tile_rgba((ushort *) packed, w, h, p, src_stride); break; |