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svga: use new adjust_z_layer() helper in svga_pipe_blit.c

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To handle z/layer fix-ups for blitting and copying.  Note that we weren't
doing this properly in svga_blit() before.

Also, remove redundant stex, dtex assignments.

Reviewed-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Brian Paul 2016-09-23 08:34:11 -06:00
parent c42000545d
commit 14639cdf8f
1 changed files with 28 additions and 44 deletions
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72
src/gallium/drivers/svga/svga_pipe_blit.c
View file

@ -86,6 +86,28 @@ copy_region_vgpu10(struct svga_context *svga, struct pipe_resource *src_tex,
}
/**
* For some texture types, we need to move the z (slice) coordinate
* to the layer value. For example, to select the z=3 slice of a 2D ARRAY
* texture, we need to use layer=3 and set z=0.
*/
static void
adjust_z_layer(enum pipe_texture_target target,
int z_in, unsigned *layer_out, unsigned *z_out)
{
if (target == PIPE_TEXTURE_CUBE ||
target == PIPE_TEXTURE_2D_ARRAY ||
target == PIPE_TEXTURE_1D_ARRAY) {
*layer_out = z_in;
*z_out = 0;
}
else {
*layer_out = 0;
*z_out = z_in;
}
}
static void
svga_resource_copy_region(struct pipe_context *pipe,
struct pipe_resource *dst_tex,
@ -136,32 +158,8 @@ svga_resource_copy_region(struct pipe_context *pipe,
stex = svga_texture(src_tex);
dtex = svga_texture(dst_tex);
if (src_tex->target == PIPE_TEXTURE_CUBE ||
src_tex->target == PIPE_TEXTURE_2D_ARRAY ||
src_tex->target == PIPE_TEXTURE_1D_ARRAY) {
src_face_layer = src_box->z;
src_z = 0;
assert(src_box->depth == 1);
}
else {
src_face_layer = 0;
src_z = src_box->z;
}
if (dst_tex->target == PIPE_TEXTURE_CUBE ||
dst_tex->target == PIPE_TEXTURE_2D_ARRAY ||
dst_tex->target == PIPE_TEXTURE_1D_ARRAY) {
dst_face_layer = dstz;
dst_z = 0;
assert(src_box->depth == 1);
}
else {
dst_face_layer = 0;
dst_z = dstz;
}
stex = svga_texture(src_tex);
dtex = svga_texture(dst_tex);
adjust_z_layer(src_tex->target, src_box->z, &src_face_layer, &src_z);
adjust_z_layer(dst_tex->target, dstz, &dst_face_layer, &dst_z);
if (svga_have_vgpu10(svga)) {
/* vgpu10 */
@ -295,25 +293,11 @@ svga_blit(struct pipe_context *pipe,
if (can_blit_via_copy_region_vgpu10(svga, blit_info)) {
unsigned src_face, src_z, dst_face, dst_z;
if (blit.src.resource->target == PIPE_TEXTURE_CUBE) {
src_face = blit.src.box.z;
src_z = 0;
assert(blit.src.box.depth == 1);
}
else {
src_face = 0;
src_z = blit.src.box.z;
}
adjust_z_layer(blit.src.resource->target, blit.src.box.z,
&src_face, &src_z);
if (blit.dst.resource->target == PIPE_TEXTURE_CUBE) {
dst_face = blit.dst.box.z;
dst_z = 0;
assert(blit.src.box.depth == 1);
}
else {
dst_face = 0;
dst_z = blit.dst.box.z;
}
adjust_z_layer(blit.dst.resource->target, blit.dst.box.z,
&dst_face, &dst_z);
copy_region_vgpu10(svga,
blit.src.resource,