diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_surface.c | 122 |
1 files changed, 2 insertions, 120 deletions
diff --git a/src/gallium/drivers/softpipe/sp_surface.c b/src/gallium/drivers/softpipe/sp_surface.c index 389aceb27ce..6ade7326982 100644 --- a/src/gallium/drivers/softpipe/sp_surface.c +++ b/src/gallium/drivers/softpipe/sp_surface.c @@ -25,132 +25,14 @@ * **************************************************************************/ -#include "pipe/p_defines.h" -#include "pipe/p_inlines.h" -#include "pipe/p_winsys.h" -#include "util/u_tile.h" #include "util/u_rect.h" #include "sp_context.h" -#include "sp_surface.h" -/** - * Copy a rectangular region from one surface to another. - * Surfaces must have same bpp. - * - * Note that it's always the case that Y=0=top of the raster. - * If do_flip is non-zero, the region being copied will be flipped vertically. - * - * Assumes all values are within bounds -- no checking at this level - - * do it higher up if required. - */ -static void -sp_surface_copy(struct pipe_context *pipe, - boolean do_flip, - struct pipe_surface *dst, - unsigned dstx, unsigned dsty, - struct pipe_surface *src, - unsigned srcx, unsigned srcy, unsigned width, unsigned height) -{ - void *dst_map = pipe->screen->surface_map( pipe->screen, - dst, - PIPE_BUFFER_USAGE_CPU_WRITE ); - - const void *src_map = pipe->screen->surface_map( pipe->screen, - src, - PIPE_BUFFER_USAGE_CPU_READ ); - - assert(dst->block.size == src->block.size); - assert(dst->block.width == src->block.width); - assert(dst->block.height == src->block.height); - assert(src_map); - assert(dst_map); - - /* If do_flip, invert src_y position and pass negative src stride */ - pipe_copy_rect(dst_map, - &dst->block, - dst->stride, - dstx, dsty, - width, height, - src_map, - do_flip ? -(int) src->stride : src->stride, - srcx, srcy); - - pipe->screen->surface_unmap(pipe->screen, src); - pipe->screen->surface_unmap(pipe->screen, dst); -} - - -static void * -get_pointer(struct pipe_surface *dst, void *dst_map, unsigned x, unsigned y) -{ - return (char *)dst_map + y / dst->block.height * dst->stride + x / dst->block.width * dst->block.size; -} - - -#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_surface_fill(struct pipe_context *pipe, - struct pipe_surface *dst, - unsigned dstx, unsigned dsty, - unsigned width, unsigned height, unsigned value) -{ - unsigned i, j; - void *dst_map = pipe->screen->surface_map( pipe->screen, - dst, - PIPE_BUFFER_USAGE_CPU_WRITE ); - - assert(dst->stride > 0); - - - switch (dst->block.size) { - case 1: - case 2: - case 4: - pipe_fill_rect(dst_map, &dst->block, dst->stride, dstx, dsty, width, height, value); - break; - case 8: - { - /* expand the 4-byte clear value to an 8-byte value */ - ushort *row = (ushort *) get_pointer(dst, dst_map, 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); - val0 = (val0 << 8) | val0; - val1 = (val1 << 8) | val1; - val2 = (val2 << 8) | val2; - val3 = (val3 << 8) | val3; - 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->stride/2; - } - } - break; - default: - assert(0); - break; - } - - pipe->screen->surface_unmap(pipe->screen, dst); -} - - void sp_init_surface_functions(struct softpipe_context *sp) { - sp->pipe.surface_copy = sp_surface_copy; - sp->pipe.surface_fill = sp_surface_fill; + sp->pipe.surface_copy = util_surface_copy; + sp->pipe.surface_fill = util_surface_fill; } |