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author | marha <marha@users.sourceforge.net> | 2012-12-10 08:33:13 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2012-12-10 08:33:13 +0100 |
commit | 0328076efb5ff6e62152c09e38d0d11f7931d07b (patch) | |
tree | ce71cf0fe95186671dc75862c2ced47f4735214f /mesalib/src/gallium/auxiliary/util/u_surface.c | |
parent | e82692e521240c5f8592f9ce56c9d5b3d68870ec (diff) | |
download | vcxsrv-0328076efb5ff6e62152c09e38d0d11f7931d07b.tar.gz vcxsrv-0328076efb5ff6e62152c09e38d0d11f7931d07b.tar.bz2 vcxsrv-0328076efb5ff6e62152c09e38d0d11f7931d07b.zip |
fontconfig libX11 mesa pixman git update 10 dec 2012
libX11 9833489e6c3829a1e835bc0a11f028fc180809e4
mesa 17f5dc57306b8f5079304701e455bf4b927d3cae
pixman 8ca4e144724ba2041bc5ef077ccf6d24e7cf4d1f
fontconfig 608c5b590bd3428dfcd30f3d68ee8b7131e2f019
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_surface.c')
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_surface.c | 179 |
1 files changed, 165 insertions, 14 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_surface.c b/mesalib/src/gallium/auxiliary/util/u_surface.c index 5b42afd0d..2c197c3df 100644 --- a/mesalib/src/gallium/auxiliary/util/u_surface.c +++ b/mesalib/src/gallium/auxiliary/util/u_surface.c @@ -116,6 +116,163 @@ util_create_rgba_texture(struct pipe_context *pipe, /** + * Copy 2D rect from one place to another. + * Position and sizes are in pixels. + * src_stride may be negative to do vertical flip of pixels from source. + */ +void +util_copy_rect(ubyte * dst, + enum pipe_format format, + unsigned dst_stride, + unsigned dst_x, + unsigned dst_y, + unsigned width, + unsigned height, + const ubyte * src, + int src_stride, + unsigned src_x, + unsigned src_y) +{ + unsigned i; + int src_stride_pos = src_stride < 0 ? -src_stride : src_stride; + int blocksize = util_format_get_blocksize(format); + int blockwidth = util_format_get_blockwidth(format); + int blockheight = util_format_get_blockheight(format); + + assert(blocksize > 0); + assert(blockwidth > 0); + assert(blockheight > 0); + + dst_x /= blockwidth; + dst_y /= blockheight; + width = (width + blockwidth - 1)/blockwidth; + height = (height + blockheight - 1)/blockheight; + src_x /= blockwidth; + src_y /= blockheight; + + dst += dst_x * blocksize; + src += src_x * blocksize; + dst += dst_y * dst_stride; + src += src_y * src_stride_pos; + width *= blocksize; + + if (width == dst_stride && width == src_stride) + memcpy(dst, src, height * width); + else { + for (i = 0; i < height; i++) { + memcpy(dst, src, width); + dst += dst_stride; + src += src_stride; + } + } +} + + +/** + * Copy 3D box from one place to another. + * Position and sizes are in pixels. + */ +void +util_copy_box(ubyte * dst, + enum pipe_format format, + unsigned dst_stride, unsigned dst_slice_stride, + unsigned dst_x, unsigned dst_y, unsigned dst_z, + unsigned width, unsigned height, unsigned depth, + const ubyte * src, + int src_stride, unsigned src_slice_stride, + unsigned src_x, unsigned src_y, unsigned src_z) +{ + unsigned z; + dst += dst_z * dst_slice_stride; + src += src_z * src_slice_stride; + for (z = 0; z < depth; ++z) { + util_copy_rect(dst, + format, + dst_stride, + dst_x, dst_y, + width, height, + src, + src_stride, + src_x, src_y); + + dst += dst_slice_stride; + src += src_slice_stride; + } +} + + +void +util_fill_rect(ubyte * dst, + enum pipe_format format, + unsigned dst_stride, + unsigned dst_x, + unsigned dst_y, + unsigned width, + unsigned height, + union util_color *uc) +{ + const struct util_format_description *desc = util_format_description(format); + unsigned i, j; + unsigned width_size; + int blocksize = desc->block.bits / 8; + int blockwidth = desc->block.width; + int blockheight = desc->block.height; + + assert(blocksize > 0); + assert(blockwidth > 0); + assert(blockheight > 0); + + dst_x /= blockwidth; + dst_y /= blockheight; + width = (width + blockwidth - 1)/blockwidth; + height = (height + blockheight - 1)/blockheight; + + dst += dst_x * blocksize; + dst += dst_y * dst_stride; + width_size = width * blocksize; + + switch (blocksize) { + case 1: + if(dst_stride == width_size) + memset(dst, uc->ub, height * width_size); + else { + for (i = 0; i < height; i++) { + memset(dst, uc->ub, width_size); + dst += dst_stride; + } + } + break; + case 2: + for (i = 0; i < height; i++) { + uint16_t *row = (uint16_t *)dst; + for (j = 0; j < width; j++) + *row++ = uc->us; + dst += dst_stride; + } + break; + case 4: + for (i = 0; i < height; i++) { + uint32_t *row = (uint32_t *)dst; + for (j = 0; j < width; j++) + *row++ = uc->ui; + dst += dst_stride; + } + break; + default: + for (i = 0; i < height; i++) { + ubyte *row = dst; + for (j = 0; j < width; j++) { + memcpy(row, uc, blocksize); + row += blocksize; + } + dst += dst_stride; + } + break; + } +} + + +/** * Fallback function for pipe->resource_copy_region(). * Note: (X,Y)=(0,0) is always the upper-left corner. */ @@ -133,7 +290,6 @@ util_resource_copy_region(struct pipe_context *pipe, const uint8_t *src_map; enum pipe_format src_format, dst_format; struct pipe_box dst_box; - int z; assert(src && dst); if (!src || !dst) @@ -181,19 +337,14 @@ util_resource_copy_region(struct pipe_context *pipe, assert(src_box->depth == 1); memcpy(dst_map, src_map, src_box->width); } else { - for (z = 0; z < src_box->depth; ++z) { - util_copy_rect(dst_map, - dst_format, - dst_trans->stride, - 0, 0, - src_box->width, src_box->height, - src_map, - src_trans->stride, - 0, 0); - - dst_map += dst_trans->layer_stride; - src_map += src_trans->layer_stride; - } + util_copy_box(dst_map, + dst_format, + dst_trans->stride, dst_trans->layer_stride, + 0, 0, 0, + src_box->width, src_box->height, src_box->depth, + src_map, + src_trans->stride, src_trans->layer_stride, + 0, 0, 0); } pipe->transfer_unmap(pipe, dst_trans); |