st/mesa: use the texture view's format for render-to-texture

Aside from the bug below, it fixes a simplistic test I've written locally,
and I see no regression in Piglit for radeonsi.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94595
Cc: "11.0 11.1 11.2" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle
2016-03-18 17:16:39 -05:00
parent dcf8a4d281
commit a8b315b827

View File

@@ -387,6 +387,7 @@ st_update_renderbuffer_surface(struct st_context *st,
{
struct pipe_context *pipe = st->pipe;
struct pipe_resource *resource = strb->texture;
struct st_texture_object *stTexObj = NULL;
unsigned rtt_width = strb->Base.Width;
unsigned rtt_height = strb->Base.Height;
unsigned rtt_depth = strb->Base.Depth;
@@ -398,9 +399,18 @@ st_update_renderbuffer_surface(struct st_context *st,
*/
boolean enable_srgb = (st->ctx->Color.sRGBEnabled &&
_mesa_get_format_color_encoding(strb->Base.Format) == GL_SRGB);
enum pipe_format format = (enable_srgb) ?
util_format_srgb(resource->format) :
util_format_linear(resource->format);
enum pipe_format format = resource->format;
if (strb->is_rtt) {
stTexObj = st_texture_object(strb->Base.TexImage->TexObject);
if (stTexObj->surface_based)
format = stTexObj->surface_format;
}
format = (enable_srgb) ?
util_format_srgb(format) :
util_format_linear(format);
unsigned first_layer, last_layer, level;
if (resource->target == PIPE_TEXTURE_1D_ARRAY) {
@@ -431,8 +441,8 @@ st_update_renderbuffer_surface(struct st_context *st,
/* Adjust for texture views */
if (strb->is_rtt && resource->array_size > 1 &&
strb->Base.TexImage->TexObject->Immutable) {
struct gl_texture_object *tex = strb->Base.TexImage->TexObject;
stTexObj->base.Immutable) {
struct gl_texture_object *tex = &stTexObj->base;
first_layer += tex->MinLayer;
if (!strb->rtt_layered)
last_layer += tex->MinLayer;
@@ -492,8 +502,6 @@ st_render_texture(struct gl_context *ctx,
st_update_renderbuffer_surface(st, strb);
strb->Base.Format = st_pipe_format_to_mesa_format(pt->format);
/* Invalidate buffer state so that the pipe's framebuffer state
* gets updated.
* That's where the new renderbuffer (which we just created) gets