diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/util/u_blit.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c index 261a9b6c902..bc908137193 100644 --- a/src/gallium/auxiliary/util/u_blit.c +++ b/src/gallium/auxiliary/util/u_blit.c @@ -268,6 +268,7 @@ setup_vertex_data_tex(struct blit_state *ctx, /** * Copy pixel block from src surface to dst surface. * Overlapping regions are acceptable. + * Flipping and stretching are supported. * XXX need some control over blitting Z and/or stencil. */ void @@ -294,6 +295,29 @@ util_blit_pixels(struct blit_state *ctx, assert(filter == PIPE_TEX_MIPFILTER_NEAREST || filter == PIPE_TEX_MIPFILTER_LINEAR); + assert(screen->is_format_supported(screen, src->format, PIPE_TEXTURE_2D, + PIPE_TEXTURE_USAGE_SAMPLER, 0)); + assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D, + PIPE_TEXTURE_USAGE_SAMPLER, 0)); + + /* + * Check for simple case: no format conversion, no flipping, no stretching. + */ + if (dst->format == src->format && + srcX0 < srcX1 && + dstX0 < dstX1 && + srcY0 < srcY1 && + dstY0 < dstY1 && + (dstX1 - dstX0) == (srcX1 - srcX0) && + (dstY1 - dstY0) == (srcY1 - srcY0)) { + /* FIXME: this will most surely fail for overlapping rectangles */ + pipe->surface_copy(pipe, + dst, dstX0, dstY0, /* dest */ + src, srcX0, srcY0, /* src */ + srcW, srcH); /* size */ + return; + } + if (srcLeft != srcX0) { /* left-right flip */ int tmp = dstX0; @@ -308,22 +332,6 @@ util_blit_pixels(struct blit_state *ctx, dstY1 = tmp; } - assert(screen->is_format_supported(screen, src->format, PIPE_TEXTURE_2D, - PIPE_TEXTURE_USAGE_SAMPLER, 0)); - assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D, - PIPE_TEXTURE_USAGE_SAMPLER, 0)); - - if (dst->format == src->format && - (dstX1 - dstX0) == srcW && - (dstY1 - dstY0) == srcH) { - /* FIXME: this will most surely fail for overlapping rectangles */ - pipe->surface_copy(pipe, - dst, dstX0, dstY0, /* dest */ - src, srcX0, srcY0, /* src */ - srcW, srcH); /* size */ - return; - } - assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)); |