#define FILE_DEBUG_FLAG DEBUG_TEXTURE
+/* Make sure one doesn't end up shrinking base level zero unnecessarily.
+ * Determining the base level dimension by shifting higher level dimension
+ * ends up in off-by-one value in case base level has NPOT size (for example,
+ * 293 != 146 << 1).
+ * Choose the original base level dimension when shifted dimensions agree.
+ * Otherwise assume real resize is intended and use the new shifted value.
+ */
+static unsigned
+get_base_dim(unsigned old_base_dim, unsigned new_level_dim, unsigned level)
+{
+ const unsigned old_level_dim = old_base_dim >> level;
+ const unsigned new_base_dim = new_level_dim << level;
+
+ return old_level_dim == new_level_dim ? old_base_dim : new_base_dim;
+}
+
/* Work back from the specified level of the image to the baselevel and create a
* miptree of that size.
*/
{
GLuint lastLevel;
int width, height, depth;
+ unsigned old_width = 0, old_height = 0, old_depth = 0;
+ const struct intel_mipmap_tree *old_mt = intelObj->mt;
+ const unsigned level = intelImage->base.Base.Level;
intel_get_image_dims(&intelImage->base.Base, &width, &height, &depth);
+ if (old_mt && old_mt->surf.size > 0) {
+ old_width = old_mt->surf.logical_level0_px.width;
+ old_height = old_mt->surf.logical_level0_px.height;
+ old_depth = old_mt->surf.dim == ISL_SURF_DIM_3D ?
+ old_mt->surf.logical_level0_px.depth :
+ old_mt->surf.logical_level0_px.array_len;
+ } else if (old_mt) {
+ old_width = old_mt->logical_width0;
+ old_height = old_mt->logical_height0;
+ old_depth = old_mt->logical_depth0;
+ }
+
DBG("%s\n", __func__);
/* Figure out image dimensions at start level. */
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
case GL_TEXTURE_RECTANGLE:
case GL_TEXTURE_EXTERNAL_OES:
- assert(intelImage->base.Base.Level == 0);
+ assert(level == 0);
break;
case GL_TEXTURE_3D:
- depth <<= intelImage->base.Base.Level;
+ depth = old_mt ? get_base_dim(old_depth, depth, level) :
+ depth << level;
/* Fall through */
case GL_TEXTURE_2D:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_ARRAY:
- height <<= intelImage->base.Base.Level;
+ height = old_mt ? get_base_dim(old_height, height, level) :
+ height << level;
/* Fall through */
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
- width <<= intelImage->base.Base.Level;
+ width = old_mt ? get_base_dim(old_width, width, level) :
+ width << level;
break;
default:
unreachable("Unexpected target");
struct intel_texture_image *intelImage = intel_texture_image(texImage);
bool ok;
- bool tex_busy = intelImage->mt && drm_intel_bo_busy(intelImage->mt->bo);
+ bool tex_busy = intelImage->mt && brw_bo_busy(intelImage->mt->bo);
DBG("%s mesa_format %s target %s format %s type %s level %d %dx%dx%d\n",
__func__, _mesa_get_format_name(texImage->TexFormat),
create_mt_for_dri_image(struct brw_context *brw,
GLenum target, __DRIimage *image)
{
+ struct gl_context *ctx = &brw->ctx;
struct intel_mipmap_tree *mt;
uint32_t draw_x, draw_y;
+ if (!ctx->TextureFormatSupported[image->format])
+ return NULL;
+
/* Disable creation of the texture's aux buffers because the driver exposes
* no EGL API to manage them. That is, there is no API for resolving the aux
* buffer's content to the main buffer nor for invalidating the aux buffer's
{
struct brw_context *brw = brw_context(ctx);
struct intel_mipmap_tree *mt;
- __DRIscreen *dri_screen = brw->intelScreen->driScrnPriv;
+ __DRIscreen *dri_screen = brw->screen->driScrnPriv;
__DRIimage *image;
image = dri_screen->dri2.image->lookupEGLImage(dri_screen, image_handle,
int dst_pitch;
/* The miptree's buffer. */
- drm_intel_bo *bo;
-
- int error = 0;
+ struct brw_bo *bo;
uint32_t cpp;
mem_copy_fn mem_copy = NULL;
return false;
}
+ /* tiled_to_linear() assumes that if the object is swizzled, it is using
+ * I915_BIT6_SWIZZLE_9_10 for X and I915_BIT6_SWIZZLE_9 for Y. This is only
+ * true on gen5 and above.
+ *
+ * The killer on top is that some gen4 have an L-shaped swizzle mode, where
+ * parts of the memory aren't swizzled at all. Userspace just can't handle
+ * that.
+ */
+ if (brw->gen < 5 && brw->has_swizzling)
+ return false;
+
+ int level = texImage->Level + texImage->TexObject->MinLevel;
+
/* Since we are going to write raw data to the miptree, we need to resolve
* any pending fast color clears before we start.
*/
- intel_miptree_resolve_color(brw, image->mt, 0);
+ assert(image->mt->logical_depth0 == 1);
+ intel_miptree_access_raw(brw, image->mt, level, 0, true);
bo = image->mt->bo;
- if (drm_intel_bo_references(brw->batch.bo, bo)) {
+ if (brw_batch_references(&brw->batch, bo)) {
perf_debug("Flushing before mapping a referenced bo.\n");
intel_batchbuffer_flush(brw);
}
- error = brw_bo_map(brw, bo, false /* write enable */, "miptree");
- if (error) {
+ void *map = brw_bo_map(brw, bo, MAP_READ | MAP_RAW);
+ if (map == NULL) {
DBG("%s: failed to map bo\n", __func__);
return false;
}
packing->Alignment, packing->RowLength, packing->SkipPixels,
packing->SkipRows);
- int level = texImage->Level + texImage->TexObject->MinLevel;
-
/* Adjust x and y offset based on miplevel */
xoffset += image->mt->level[level].level_x;
yoffset += image->mt->level[level].level_y;
xoffset * cpp, (xoffset + width) * cpp,
yoffset, yoffset + height,
pixels - (ptrdiff_t) yoffset * dst_pitch - (ptrdiff_t) xoffset * cpp,
- bo->virtual,
+ map,
dst_pitch, image->mt->pitch,
brw->has_swizzling,
image->mt->tiling,
mem_copy
);
- drm_intel_bo_unmap(bo);
+ brw_bo_unmap(bo);
return true;
}