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nv50: adjust blit_3d handling of ms output textures

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This fixes some unwanted scaling when the output is multisampled.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Cc: "10.0 10.1" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit 253314d487)

Also squashed in the following:

Revert nvc0 part of "nv50: adjust blit_3d handling of ms output textures"

The nvc0 bits don't appear to work, and I thought I had removed them
from the commit. Oops.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "10.0 10.1" <mesa-stable@lists.freedesktop.org>
(cherry picked from commit 897f40f25d)
This commit is contained in:
Ilia Mirkin 2014-03-06 00:51:48 -05:00 • committed by Carl Worth
parent 860ee22480
commit 5c4f80dca6
1 changed files with 8 additions and 4 deletions
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12
src/gallium/drivers/nouveau/nv50/nv50_surface.c
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@ -935,6 +935,7 @@ nv50_blit_3d(struct nv50_context *nv50, const struct pipe_blit_info *info)
float x0, x1, y0, y1, z;
float dz;
float x_range, y_range;
float tri_x, tri_y;
blit->mode = nv50_blit_select_mode(info);
blit->color_mask = nv50_blit_derive_color_mask(info);
@ -954,11 +955,14 @@ nv50_blit_3d(struct nv50_context *nv50, const struct pipe_blit_info *info)
x_range = (float)info->src.box.width / (float)info->dst.box.width;
y_range = (float)info->src.box.height / (float)info->dst.box.height;
tri_x = 16384 << nv50_miptree(dst)->ms_x;
tri_y = 16384 << nv50_miptree(dst)->ms_y;
x0 = (float)info->src.box.x - x_range * (float)info->dst.box.x;
y0 = (float)info->src.box.y - y_range * (float)info->dst.box.y;
x1 = x0 + 16384.0f * x_range;
y1 = y0 + 16384.0f * y_range;
x1 = x0 + tri_x * x_range;
y1 = y0 + tri_y * y_range;
x0 *= (float)(1 << nv50_miptree(src)->ms_x);
x1 *= (float)(1 << nv50_miptree(src)->ms_x);
@ -1027,7 +1031,7 @@ nv50_blit_3d(struct nv50_context *nv50, const struct pipe_blit_info *info)
PUSH_DATAf(push, y0);
PUSH_DATAf(push, z);
BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
PUSH_DATAf(push, 16384 << nv50_miptree(dst)->ms_x);
PUSH_DATAf(push, tri_x);
PUSH_DATAf(push, 0.0f);
BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
PUSH_DATAf(push, x0);
@ -1035,7 +1039,7 @@ nv50_blit_3d(struct nv50_context *nv50, const struct pipe_blit_info *info)
PUSH_DATAf(push, z);
BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
PUSH_DATAf(push, 0.0f);
PUSH_DATAf(push, 16384 << nv50_miptree(dst)->ms_y);
PUSH_DATAf(push, tri_y);
BEGIN_NV04(push, NV50_3D(VERTEX_END_GL), 1);
PUSH_DATA (push, 0);
}