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gallium/u_blitter: add ability to blit only depth or only stencil

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Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Marek Olšák
2012-07-27 21:44:17 +02:00
parent 8842678047
commit ef1bf6d69e
3 changed files with 17 additions and 14 deletions
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26
src/gallium/auxiliary/util/u_blitter.c
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@@ -992,7 +992,8 @@ void util_blitter_copy_texture(struct blitter_context *blitter,
/* Copy. */ /* Copy. */
util_blitter_copy_texture_view(blitter, dst_view, dstx, dsty, src_view, util_blitter_copy_texture_view(blitter, dst_view, dstx, dsty, src_view,
srcbox, src->width0, src->height0); srcbox, src->width0, src->height0,
PIPE_MASK_RGBAZS);
pipe_surface_reference(&dst_view, NULL); pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL); pipe_sampler_view_reference(&src_view, NULL);
@@ -1003,7 +1004,8 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter,
unsigned dstx, unsigned dsty, unsigned dstx, unsigned dsty,
struct pipe_sampler_view *src, struct pipe_sampler_view *src,
const struct pipe_box *srcbox, const struct pipe_box *srcbox,
unsigned src_width0, unsigned src_height0) unsigned src_width0, unsigned src_height0,
unsigned mask)
{ {
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe; struct pipe_context *pipe = ctx->base.pipe;
@@ -1011,19 +1013,19 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter,
enum pipe_texture_target src_target = src->texture->target; enum pipe_texture_target src_target = src->texture->target;
unsigned width = srcbox->width; unsigned width = srcbox->width;
unsigned height = srcbox->height; unsigned height = srcbox->height;
boolean is_stencil, is_depth; boolean blit_stencil, blit_depth;
const struct util_format_description *src_desc = const struct util_format_description *src_desc =
util_format_description(src->format); util_format_description(src->format);
is_depth = util_format_has_depth(src_desc); blit_depth = util_format_has_depth(src_desc) && (mask & PIPE_MASK_Z);
is_stencil = util_format_has_stencil(src_desc); blit_stencil = util_format_has_stencil(src_desc) && (mask & PIPE_MASK_S);
/* If you want a fallback for stencil copies, /* If you want a fallback for stencil copies,
* use util_blitter_copy_texture. */ * use util_blitter_copy_texture. */
if (is_stencil && !ctx->has_stencil_export) { if (blit_stencil && !ctx->has_stencil_export) {
is_stencil = FALSE; blit_stencil = FALSE;
if (!is_depth) if (!blit_depth)
return; return;
} }
@@ -1047,15 +1049,15 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter,
fb_state.width = dst->width; fb_state.width = dst->width;
fb_state.height = dst->height; fb_state.height = dst->height;
if (is_depth || is_stencil) { if (blit_depth || blit_stencil) {
pipe->bind_blend_state(pipe, ctx->blend_keep_color); pipe->bind_blend_state(pipe, ctx->blend_keep_color);
if (is_depth && is_stencil) { if (blit_depth && blit_stencil) {
pipe->bind_depth_stencil_alpha_state(pipe, pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_stencil); ctx->dsa_write_depth_stencil);
pipe->bind_fs_state(pipe, pipe->bind_fs_state(pipe,
blitter_get_fs_texfetch_depthstencil(ctx, src_target)); blitter_get_fs_texfetch_depthstencil(ctx, src_target));
} else if (is_depth) { } else if (blit_depth) {
pipe->bind_depth_stencil_alpha_state(pipe, pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_keep_stencil); ctx->dsa_write_depth_keep_stencil);
pipe->bind_fs_state(pipe, pipe->bind_fs_state(pipe,
@@ -1080,7 +1082,7 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter,
fb_state.zsbuf = 0; fb_state.zsbuf = 0;
} }
if (is_depth && is_stencil) { if (blit_depth && blit_stencil) {
/* Setup two samplers, one for depth and the other one for stencil. */ /* Setup two samplers, one for depth and the other one for stencil. */
struct pipe_sampler_view templ; struct pipe_sampler_view templ;
struct pipe_sampler_view *views[2]; struct pipe_sampler_view *views[2];

3
src/gallium/auxiliary/util/u_blitter.h
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@@ -216,7 +216,8 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter,
unsigned dstx, unsigned dsty, unsigned dstx, unsigned dsty,
struct pipe_sampler_view *src, struct pipe_sampler_view *src,
const struct pipe_box *srcbox, const struct pipe_box *srcbox,
unsigned src_width0, unsigned src_height0); unsigned src_width0, unsigned src_height0,
unsigned mask);
/** /**
* Helper function to initialize a view for copy_texture_view. * Helper function to initialize a view for copy_texture_view.

2
src/gallium/drivers/r300/r300_blit.c
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@@ -579,7 +579,7 @@ static void r300_resource_copy_region(struct pipe_context *pipe,
r300_blitter_begin(r300, R300_COPY); r300_blitter_begin(r300, R300_COPY);
util_blitter_copy_texture_view(r300->blitter, dst_view, dstx, dsty, util_blitter_copy_texture_view(r300->blitter, dst_view, dstx, dsty,
src_view, src_box, src_view, src_box,
src_width0, src_height0); src_width0, src_height0, PIPE_MASK_RGBAZS);
r300_blitter_end(r300); r300_blitter_end(r300);
pipe_surface_reference(&dst_view, NULL); pipe_surface_reference(&dst_view, NULL);