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authorMarek Olšák <marek.olsak@amd.com>2014-03-11 14:52:39 +0100
committerMarek Olšák <marek.olsak@amd.com>2014-03-21 00:50:53 +0100
commitdb722bdcab15717d80797323330b60fe3f61df5d (patch)
tree5c06e372affed1f017066ae14fa0f62ce533dfbd /src/gallium
parent91df26842fb36e6f1ec33db5c028ae34c9993f1d (diff)
st/mesa: fix generating mipmaps for cube arrays
Cc: mesa-stable@lists.freedesktop.org Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/auxiliary/util/u_gen_mipmap.c48
1 files changed, 20 insertions, 28 deletions
diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index dad3ad2ec1d..0d40026beae 100644
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -1382,7 +1382,7 @@ get_next_slot(struct gen_mipmap_state *ctx)
static unsigned
set_vertex_data(struct gen_mipmap_state *ctx,
enum pipe_texture_target tex_target,
- uint layer, float r)
+ uint face, float r)
{
unsigned offset;
@@ -1403,14 +1403,21 @@ set_vertex_data(struct gen_mipmap_state *ctx,
ctx->vertices[3][0][1] = 1.0f;
/* Setup vertex texcoords. This is a little tricky for cube maps. */
- if (tex_target == PIPE_TEXTURE_CUBE) {
+ if (tex_target == PIPE_TEXTURE_CUBE ||
+ tex_target == PIPE_TEXTURE_CUBE_ARRAY) {
static const float st[4][2] = {
{0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f}
};
- util_map_texcoords2d_onto_cubemap(layer, &st[0][0], 2,
+ util_map_texcoords2d_onto_cubemap(face, &st[0][0], 2,
&ctx->vertices[0][1][0], 8,
FALSE);
+
+ /* set the layer for cube arrays */
+ ctx->vertices[0][1][3] = r;
+ ctx->vertices[1][1][3] = r;
+ ctx->vertices[2][1][3] = r;
+ ctx->vertices[3][1][3] = r;
}
else if (tex_target == PIPE_TEXTURE_1D_ARRAY) {
/* 1D texture array */
@@ -1520,29 +1527,7 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
assert(filter == PIPE_TEX_FILTER_LINEAR ||
filter == PIPE_TEX_FILTER_NEAREST);
- switch (pt->target) {
- case PIPE_TEXTURE_1D:
- type = TGSI_TEXTURE_1D;
- break;
- case PIPE_TEXTURE_2D:
- type = TGSI_TEXTURE_2D;
- break;
- case PIPE_TEXTURE_3D:
- type = TGSI_TEXTURE_3D;
- break;
- case PIPE_TEXTURE_CUBE:
- type = TGSI_TEXTURE_CUBE;
- break;
- case PIPE_TEXTURE_1D_ARRAY:
- type = TGSI_TEXTURE_1D_ARRAY;
- break;
- case PIPE_TEXTURE_2D_ARRAY:
- type = TGSI_TEXTURE_2D_ARRAY;
- break;
- default:
- assert(0);
- type = TGSI_TEXTURE_2D;
- }
+ type = util_pipe_tex_to_tgsi_tex(pt->target, 1);
/* check if we can render in the texture's format */
if (!screen->is_format_supported(screen, psv->format, pt->target,
@@ -1600,7 +1585,9 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
if (pt->target == PIPE_TEXTURE_3D)
nr_layers = u_minify(pt->depth0, dstLevel);
- else if (pt->target == PIPE_TEXTURE_2D_ARRAY || pt->target == PIPE_TEXTURE_1D_ARRAY)
+ else if (pt->target == PIPE_TEXTURE_2D_ARRAY ||
+ pt->target == PIPE_TEXTURE_1D_ARRAY ||
+ pt->target == PIPE_TEXTURE_CUBE_ARRAY)
nr_layers = pt->array_size;
else
nr_layers = 1;
@@ -1613,9 +1600,14 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
layer = i;
/* XXX hmm really? */
rcoord = (float)layer / (float)nr_layers + 1.0f / (float)(nr_layers * 2);
- } else if (pt->target == PIPE_TEXTURE_2D_ARRAY || pt->target == PIPE_TEXTURE_1D_ARRAY) {
+ } else if (pt->target == PIPE_TEXTURE_2D_ARRAY ||
+ pt->target == PIPE_TEXTURE_1D_ARRAY) {
layer = i;
rcoord = (float)layer;
+ } else if (pt->target == PIPE_TEXTURE_CUBE_ARRAY) {
+ layer = i;
+ face = layer % 6;
+ rcoord = layer / 6;
} else
layer = face;