nouveau: nv40 swizzled mipmap fixes.
[mesa.git] / src / gallium / drivers / nv40 / nv40_miptree.c
index 9bef23ad1f6f9c06bfcbf68272fea7b5f0843bbe..e4f8df910a9a6465d38c274cd78a4b417b943575 100644 (file)
@@ -10,7 +10,12 @@ nv40_miptree_layout(struct nv40_miptree *mt)
        struct pipe_texture *pt = &mt->base;
        uint width = pt->width[0], height = pt->height[0], depth = pt->depth[0];
        uint offset = 0;
-       int nr_faces, l, f, pitch;
+       int nr_faces, l, f;
+       uint wide_pitch = pt->tex_usage & (PIPE_TEXTURE_USAGE_SAMPLER |
+                                          PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
+                                          PIPE_TEXTURE_USAGE_RENDER_TARGET |
+                                          PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+                                          PIPE_TEXTURE_USAGE_PRIMARY);
 
        if (pt->target == PIPE_TEXTURE_CUBE) {
                nr_faces = 6;
@@ -21,7 +26,6 @@ nv40_miptree_layout(struct nv40_miptree *mt)
                nr_faces = 1;
        }
 
-       pitch = pt->width[0];
        for (l = 0; l <= pt->last_level; l++) {
                pt->width[l] = width;
                pt->height[l] = height;
@@ -29,11 +33,11 @@ nv40_miptree_layout(struct nv40_miptree *mt)
                pt->nblocksx[l] = pf_get_nblocksx(&pt->block, width);
                pt->nblocksy[l] = pf_get_nblocksy(&pt->block, height);
 
-               if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR))
-                       pitch = pt->nblocksx[l];
-               pitch = align(pitch, 64);
+               if (wide_pitch && (pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR))
+                       mt->level[l].pitch = align(pt->width[0] * pt->block.size, 64);
+               else
+                       mt->level[l].pitch = pt->width[l] * pt->block.size;
 
-               mt->level[l].pitch = pitch * pt->block.size;
                mt->level[l].image_offset =
                        CALLOC(nr_faces, sizeof(unsigned));
 
@@ -43,10 +47,17 @@ nv40_miptree_layout(struct nv40_miptree *mt)
        }
 
        for (f = 0; f < nr_faces; f++) {
-               for (l = 0; l <= pt->last_level; l++) {
+               for (l = 0; l < pt->last_level; l++) {
                        mt->level[l].image_offset[f] = offset;
-                       offset += mt->level[l].pitch * pt->height[l];
+
+                       if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR))
+                               offset += align(mt->level[l].pitch * pt->height[l], 64);
+                       else
+                               offset += mt->level[l].pitch * pt->height[l];
                }
+
+               mt->level[l].image_offset[f] = offset;
+               offset += mt->level[l].pitch * pt->height[l];
        }
 
        mt->total_size = offset;
@@ -75,7 +86,8 @@ nv40_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
                mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
        else
        if (pt->tex_usage & (PIPE_TEXTURE_USAGE_PRIMARY |
-                            PIPE_TEXTURE_USAGE_DISPLAY_TARGET))
+                            PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+                            PIPE_TEXTURE_USAGE_DEPTH_STENCIL))
                mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
        else
        if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
@@ -86,7 +98,11 @@ nv40_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt)
                case PIPE_FORMAT_A8R8G8B8_UNORM:
                case PIPE_FORMAT_X8R8G8B8_UNORM:
                case PIPE_FORMAT_R16_SNORM:
+               {
+                       if (debug_get_bool_option("NOUVEAU_NO_SWIZZLE", FALSE))
+                               mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
                        break;
+               }
                default:
                        mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
                }
@@ -149,8 +165,8 @@ nv40_miptree_release(struct pipe_screen *pscreen, struct pipe_texture **ppt)
        }
 
        if (mt->shadow_tex) {
-               assert(mt->shadow_surface);
-               pscreen->tex_surface_release(pscreen, &mt->shadow_surface);
+               if (mt->shadow_surface)
+                       pscreen->tex_surface_release(pscreen, &mt->shadow_surface);
                nv40_miptree_release(pscreen, &mt->shadow_tex);
        }