diff options
author | Michel Dänzer <michel@tungstengraphics.com> | 2007-11-28 19:04:54 +0100 |
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committer | Michel Dänzer <michel@tungstengraphics.com> | 2007-11-29 16:41:39 +0100 |
commit | 11a80160fd60d1eb1541b49128c659526a5d8ac8 (patch) | |
tree | 410bbe6407d37e9ca3af884f89e03104926624ad /src/mesa/pipe/softpipe/sp_region.c | |
parent | 7043db677f457ae9a46f2585a5ef52bf69a4e8ea (diff) |
Move dimensions from struct pipe_region to struct pipe_surface.
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_region.c')
-rw-r--r-- | src/mesa/pipe/softpipe/sp_region.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/src/mesa/pipe/softpipe/sp_region.c b/src/mesa/pipe/softpipe/sp_region.c index fef63ef2f6..58dc6bb96e 100644 --- a/src/mesa/pipe/softpipe/sp_region.c +++ b/src/mesa/pipe/softpipe/sp_region.c @@ -70,196 +70,10 @@ sp_region_unmap(struct pipe_context *pipe, struct pipe_region *region) } - -/** - * Copy 2D rect from one place to another. - * Position and sizes are in pixels. - */ -static void -copy_rect(ubyte * dst, - unsigned cpp, - unsigned dst_pitch, - unsigned dst_x, - unsigned dst_y, - unsigned width, - unsigned height, - const ubyte * src, - unsigned src_pitch, - unsigned src_x, - unsigned src_y) -{ - unsigned i; - - dst_pitch *= cpp; - src_pitch *= cpp; - dst += dst_x * cpp; - src += src_x * cpp; - dst += dst_y * dst_pitch; - src += src_y * src_pitch; - width *= cpp; - - if (width == dst_pitch && width == src_pitch) - memcpy(dst, src, height * width); - else { - for (i = 0; i < height; i++) { - memcpy(dst, src, width); - dst += dst_pitch; - src += src_pitch; - } - } -} - - -/* Upload data to a rectangular sub-region. Lots of choices how to do this: - * - * - memcpy by span to current destination - * - upload data as new buffer and blit - * - * Currently always memcpy. - */ -static void -sp_region_data(struct pipe_context *pipe, - struct pipe_region *dst, - unsigned dst_offset, - unsigned dstx, unsigned dsty, - const void *src, unsigned src_pitch, - unsigned srcx, unsigned srcy, unsigned width, unsigned height) -{ - copy_rect(pipe->region_map(pipe, dst) + dst_offset, - dst->cpp, - dst->pitch, - dstx, dsty, width, height, src, src_pitch, srcx, srcy); - - pipe->region_unmap(pipe, dst); -} - -/* Assumes all values are within bounds -- no checking at this level - - * do it higher up if required. - */ -static void -sp_region_copy(struct pipe_context *pipe, - struct pipe_region *dst, - unsigned dst_offset, - unsigned dstx, unsigned dsty, - struct pipe_region *src, - unsigned src_offset, - unsigned srcx, unsigned srcy, unsigned width, unsigned height) -{ - ubyte *src_map, *dst_map; - assert( dst->cpp == src->cpp ); - - dst_map = pipe->region_map(pipe, dst); - src_map = pipe->region_map(pipe, src); - copy_rect(dst_map + dst_offset, - dst->cpp, - dst->pitch, - dstx, dsty, - width, height, - src_map + src_offset, - src->pitch, - srcx, srcy); - - pipe->region_unmap(pipe, src); - pipe->region_unmap(pipe, dst); -} - - -static ubyte * -get_pointer(struct pipe_region *dst, unsigned x, unsigned y) -{ - return dst->map + (y * dst->pitch + x) * dst->cpp; -} - - -#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8)) - - -/** - * Fill a rectangular sub-region. Need better logic about when to - * push buffers into AGP - will currently do so whenever possible. - */ -static void -sp_region_fill(struct pipe_context *pipe, - struct pipe_region *dst, - unsigned dst_offset, - unsigned dstx, unsigned dsty, - unsigned width, unsigned height, unsigned value) -{ - unsigned i, j; - - assert(dst->pitch > 0); - assert(width <= dst->pitch); - - (void)pipe->region_map(pipe, dst); - - switch (dst->cpp) { - case 1: - { - ubyte *row = get_pointer(dst, dstx, dsty); - for (i = 0; i < height; i++) { - memset(row, value, width); - row += dst->pitch; - } - } - break; - case 2: - { - ushort *row = (ushort *) get_pointer(dst, dstx, dsty); - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) - row[j] = (ushort) value; - row += dst->pitch; - } - } - break; - case 4: - { - unsigned *row = (unsigned *) get_pointer(dst, dstx, dsty); - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) - row[j] = value; - row += dst->pitch; - } - } - break; - case 8: - { - /* expand the 4-byte clear value to an 8-byte value */ - ushort *row = (ushort *) get_pointer(dst, dstx, dsty); - ushort val0 = UBYTE_TO_USHORT((value >> 0) & 0xff); - ushort val1 = UBYTE_TO_USHORT((value >> 8) & 0xff); - ushort val2 = UBYTE_TO_USHORT((value >> 16) & 0xff); - ushort val3 = UBYTE_TO_USHORT((value >> 24) & 0xff); - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) { - row[j*4+0] = val0; - row[j*4+1] = val1; - row[j*4+2] = val2; - row[j*4+3] = val3; - } - row += dst->pitch * 4; - } - } - break; - default: - assert(0); - break; - } - - pipe->region_unmap( pipe, dst ); -} - - - - - void sp_init_region_functions(struct softpipe_context *sp) { sp->pipe.region_map = sp_region_map; sp->pipe.region_unmap = sp_region_unmap; - sp->pipe.region_data = sp_region_data; - sp->pipe.region_copy = sp_region_copy; - sp->pipe.region_fill = sp_region_fill; } |