diff options
Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_composite.c')
| -rw-r--r-- | src/gallium/state_trackers/xorg/xorg_composite.c | 65 |
1 files changed, 64 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_composite.c b/src/gallium/state_trackers/xorg/xorg_composite.c index edb7620f12..66ca4cb590 100644 --- a/src/gallium/state_trackers/xorg/xorg_composite.c +++ b/src/gallium/state_trackers/xorg/xorg_composite.c @@ -952,6 +952,61 @@ static void renderer_copy_texture(struct exa_context *exa, pipe_surface_reference(&dst_surf, NULL); } + +static struct pipe_texture * +create_sampler_texture(struct exa_context *ctx, + struct pipe_texture *src) +{ + enum pipe_format format; + struct pipe_context *pipe = ctx->pipe; + struct pipe_screen *screen = pipe->screen; + struct pipe_texture *pt; + struct pipe_texture templ; + + pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL); + + /* the coming in texture should already have that invariance */ + debug_assert(screen->is_format_supported(screen, src->format, + PIPE_TEXTURE_2D, + PIPE_TEXTURE_USAGE_SAMPLER, 0)); + + format = src->format; + + memset(&templ, 0, sizeof(templ)); + templ.target = PIPE_TEXTURE_2D; + templ.format = format; + templ.last_level = 0; + templ.width[0] = src->width[0]; + templ.height[0] = src->height[0]; + templ.depth[0] = 1; + pf_get_block(format, &templ.block); + templ.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER; + + pt = screen->texture_create(screen, &templ); + + debug_assert(!pt || pipe_is_referenced(&pt->reference)); + + if (!pt) + return NULL; + + { + /* copy source framebuffer surface into texture */ + struct pipe_surface *ps_read = screen->get_tex_surface( + screen, src, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ); + struct pipe_surface *ps_tex = screen->get_tex_surface( + screen, pt, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE ); + pipe->surface_copy(pipe, + ps_tex, /* dest */ + 0, 0, /* destx/y */ + ps_read, + 0, 0, src->width[0], src->height[0]); + pipe_surface_reference(&ps_read, NULL); + pipe_surface_reference(&ps_tex, NULL); + } + + return pt; +} + void xorg_copy_pixmap(struct exa_context *ctx, struct exa_pixmap_priv *dst_priv, int dx, int dy, struct exa_pixmap_priv *src_priv, int sx, int sy, @@ -1002,8 +1057,13 @@ void xorg_copy_pixmap(struct exa_context *ctx, if (src_loc[2] >= 0 && src_loc[3] >= 0 && dst_loc[2] >= 0 && dst_loc[3] >= 0) { + struct pipe_texture *temp_src = src; + + if (src == dst) + temp_src = create_sampler_texture(ctx, src); + renderer_copy_texture(ctx, - src, + temp_src, src_loc[0], src_loc[1], src_loc[0] + src_loc[2], @@ -1013,6 +1073,9 @@ void xorg_copy_pixmap(struct exa_context *ctx, dst_loc[1], dst_loc[0] + dst_loc[2], dst_loc[1] + dst_loc[3]); + + if (src == dst) + pipe_texture_reference(&temp_src, NULL); } } |