static bool
modifier_is_supported(const struct gen_device_info *devinfo,
- uint64_t modifier)
+ enum pipe_format pfmt, uint64_t modifier)
{
/* XXX: do something real */
switch (modifier) {
+ case I915_FORMAT_MOD_Y_TILED_CCS: {
+ if (unlikely(INTEL_DEBUG & DEBUG_NO_RBC))
+ return false;
+
+ enum isl_format rt_format =
+ iris_format_for_usage(devinfo, pfmt,
+ ISL_SURF_USAGE_RENDER_TARGET_BIT).fmt;
+
+ enum isl_format linear_format = isl_format_srgb_to_linear(rt_format);
+
+ if (!isl_format_supports_ccs_e(devinfo, linear_format))
+ return false;
+
+ return true;
+ }
case I915_FORMAT_MOD_Y_TILED:
case I915_FORMAT_MOD_X_TILED:
case DRM_FORMAT_MOD_LINEAR:
return true;
- case I915_FORMAT_MOD_Y_TILED_CCS:
case DRM_FORMAT_MOD_INVALID:
default:
return false;
}
static uint64_t
-select_best_modifier(struct gen_device_info *devinfo,
+select_best_modifier(struct gen_device_info *devinfo, enum pipe_format pfmt,
const uint64_t *modifiers,
int count)
{
enum modifier_priority prio = MODIFIER_PRIORITY_INVALID;
for (int i = 0; i < count; i++) {
- if (!modifier_is_supported(devinfo, modifiers[i]))
+ if (!modifier_is_supported(devinfo, pfmt, modifiers[i]))
continue;
switch (modifiers[i]) {
return priority_to_modifier[prio];
}
-static enum isl_surf_dim
+enum isl_surf_dim
target_to_isl_surf_dim(enum pipe_texture_target target)
{
switch (target) {
DRM_FORMAT_MOD_LINEAR,
I915_FORMAT_MOD_X_TILED,
I915_FORMAT_MOD_Y_TILED,
- // XXX: (broken) I915_FORMAT_MOD_Y_TILED_CCS,
+ I915_FORMAT_MOD_Y_TILED_CCS,
};
int supported_mods = 0;
for (int i = 0; i < ARRAY_SIZE(all_modifiers); i++) {
- if (!modifier_is_supported(devinfo, all_modifiers[i]))
+ if (!modifier_is_supported(devinfo, pfmt, all_modifiers[i]))
continue;
if (supported_mods < max) {
}
}
+enum isl_dim_layout
+iris_get_isl_dim_layout(const struct gen_device_info *devinfo,
+ enum isl_tiling tiling,
+ enum pipe_texture_target target)
+{
+ switch (target) {
+ case PIPE_TEXTURE_1D:
+ case PIPE_TEXTURE_1D_ARRAY:
+ return (devinfo->gen >= 9 && tiling == ISL_TILING_LINEAR ?
+ ISL_DIM_LAYOUT_GEN9_1D : ISL_DIM_LAYOUT_GEN4_2D);
+
+ case PIPE_TEXTURE_2D:
+ case PIPE_TEXTURE_2D_ARRAY:
+ case PIPE_TEXTURE_RECT:
+ case PIPE_TEXTURE_CUBE:
+ case PIPE_TEXTURE_CUBE_ARRAY:
+ return ISL_DIM_LAYOUT_GEN4_2D;
+
+ case PIPE_TEXTURE_3D:
+ return (devinfo->gen >= 9 ?
+ ISL_DIM_LAYOUT_GEN4_2D : ISL_DIM_LAYOUT_GEN4_3D);
+
+ case PIPE_MAX_TEXTURE_TYPES:
+ case PIPE_BUFFER:
+ break;
+ }
+ unreachable("invalid texture type");
+}
+
void
iris_resource_disable_aux(struct iris_resource *res)
{
return per_level_arr;
}
+static unsigned
+iris_get_aux_clear_color_state_size(struct iris_screen *screen)
+{
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ return devinfo->gen >= 10 ? screen->isl_dev.ss.clear_color_state_size : 0;
+}
+
/**
- * Allocate the initial aux surface for a resource based on aux.usage
+ * Configure aux for the resource, but don't allocate it. For images which
+ * might be shared with modifiers, we must allocate the image and aux data in
+ * a single bo.
*/
static bool
-iris_resource_alloc_aux(struct iris_screen *screen, struct iris_resource *res)
+iris_resource_configure_aux(struct iris_screen *screen,
+ struct iris_resource *res, bool imported,
+ uint64_t *aux_size_B,
+ uint32_t *alloc_flags)
{
struct isl_device *isl_dev = &screen->isl_dev;
enum isl_aux_state initial_state;
UNUSED bool ok = false;
- uint8_t memset_value = 0;
- uint32_t alloc_flags = 0;
- const struct gen_device_info *devinfo = &screen->devinfo;
- const unsigned clear_color_state_size = devinfo->gen >= 10 ?
- screen->isl_dev.ss.clear_color_state_size :
- (devinfo->gen >= 9 ? screen->isl_dev.ss.clear_value_size : 0);
+ *aux_size_B = 0;
+ *alloc_flags = 0;
assert(!res->aux.bo);
switch (res->aux.usage) {
break;
case ISL_AUX_USAGE_HIZ:
initial_state = ISL_AUX_STATE_AUX_INVALID;
- memset_value = 0;
ok = isl_surf_get_hiz_surf(isl_dev, &res->surf, &res->aux.surf);
break;
case ISL_AUX_USAGE_MCS:
* 1's, so we simply memset it to 0xff.
*/
initial_state = ISL_AUX_STATE_CLEAR;
- memset_value = 0xFF;
ok = isl_surf_get_mcs_surf(isl_dev, &res->surf, &res->aux.surf);
break;
case ISL_AUX_USAGE_CCS_D:
* For CCS_D, do the same thing. On Gen9+, this avoids having any
* undefined bits in the aux buffer.
*/
- initial_state = ISL_AUX_STATE_PASS_THROUGH;
- alloc_flags |= BO_ALLOC_ZEROED;
+ if (imported)
+ initial_state =
+ isl_drm_modifier_get_default_aux_state(res->mod_info->modifier);
+ else
+ initial_state = ISL_AUX_STATE_PASS_THROUGH;
+ *alloc_flags |= BO_ALLOC_ZEROED;
ok = isl_surf_get_ccs_surf(isl_dev, &res->surf, &res->aux.surf, 0);
break;
}
if (res->aux.surf.size_B == 0)
return true;
- /* Create the aux_state for the auxiliary buffer. */
- res->aux.state = create_aux_state_map(res, initial_state);
- if (!res->aux.state)
- return false;
+ if (!res->aux.state) {
+ /* Create the aux_state for the auxiliary buffer. */
+ res->aux.state = create_aux_state_map(res, initial_state);
+ if (!res->aux.state)
+ return false;
+ }
uint64_t size = res->aux.surf.size_B;
* anyways, and copy it back to the surface state during state emission.
*/
res->aux.clear_color_offset = size;
- size += clear_color_state_size;
+ size += iris_get_aux_clear_color_state_size(screen);
+ *aux_size_B = size;
- /* Allocate the auxiliary buffer. ISL has stricter set of alignment rules
- * the drm allocator. Therefore, one can pass the ISL dimensions in terms
- * of bytes instead of trying to recalculate based on different format
- * block sizes.
- */
- res->aux.bo = iris_bo_alloc_tiled(screen->bufmgr, "aux buffer", size,
- IRIS_MEMZONE_OTHER, I915_TILING_Y,
- res->aux.surf.row_pitch_B, alloc_flags);
- if (!res->aux.bo) {
- return false;
+ if (res->aux.usage == ISL_AUX_USAGE_HIZ) {
+ for (unsigned level = 0; level < res->surf.levels; ++level) {
+ uint32_t width = u_minify(res->surf.phys_level0_sa.width, level);
+ uint32_t height = u_minify(res->surf.phys_level0_sa.height, level);
+
+ /* Disable HiZ for LOD > 0 unless the width/height are 8x4 aligned.
+ * For LOD == 0, we can grow the dimensions to make it work.
+ */
+ if (level == 0 || ((width & 7) == 0 && (height & 3) == 0))
+ res->aux.has_hiz |= 1 << level;
+ }
}
+ return true;
+}
+
+/**
+ * Initialize the aux buffer contents.
+ */
+static bool
+iris_resource_init_aux_buf(struct iris_resource *res, uint32_t alloc_flags,
+ unsigned clear_color_state_size)
+{
if (!(alloc_flags & BO_ALLOC_ZEROED)) {
void *map = iris_bo_map(NULL, res->aux.bo, MAP_WRITE | MAP_RAW);
return false;
}
- if (memset_value != 0)
- memset(map, memset_value, res->aux.surf.size_B);
+ if (iris_resource_get_aux_state(res, 0, 0) != ISL_AUX_STATE_AUX_INVALID) {
+ uint8_t memset_value = res->aux.usage == ISL_AUX_USAGE_MCS ? 0xFF : 0;
+ memset((char*)map + res->aux.offset, memset_value,
+ res->aux.surf.size_B);
+ }
/* Zero the indirect clear color to match ::fast_clear_color. */
memset((char *)map + res->aux.clear_color_offset, 0,
iris_bo_reference(res->aux.clear_color_bo);
}
- if (res->aux.usage == ISL_AUX_USAGE_HIZ) {
- for (unsigned level = 0; level < res->surf.levels; ++level) {
- uint32_t width = u_minify(res->surf.phys_level0_sa.width, level);
- uint32_t height = u_minify(res->surf.phys_level0_sa.height, level);
+ return true;
+}
- /* Disable HiZ for LOD > 0 unless the width/height are 8x4 aligned.
- * For LOD == 0, we can grow the dimensions to make it work.
- */
- if (level == 0 || ((width & 7) == 0 && (height & 3) == 0))
- res->aux.has_hiz |= 1 << level;
- }
+/**
+ * Allocate the initial aux surface for a resource based on aux.usage
+ */
+static bool
+iris_resource_alloc_separate_aux(struct iris_screen *screen,
+ struct iris_resource *res)
+{
+ uint32_t alloc_flags;
+ uint64_t size;
+ if (!iris_resource_configure_aux(screen, res, false, &size, &alloc_flags))
+ return false;
+
+ if (size == 0)
+ return true;
+
+ /* Allocate the auxiliary buffer. ISL has stricter set of alignment rules
+ * the drm allocator. Therefore, one can pass the ISL dimensions in terms
+ * of bytes instead of trying to recalculate based on different format
+ * block sizes.
+ */
+ res->aux.bo = iris_bo_alloc_tiled(screen->bufmgr, "aux buffer", size, 4096,
+ IRIS_MEMZONE_OTHER, I915_TILING_Y,
+ res->aux.surf.row_pitch_B, alloc_flags);
+ if (!res->aux.bo) {
+ return false;
}
+ if (!iris_resource_init_aux_buf(res, alloc_flags,
+ iris_get_aux_clear_color_state_size(screen)))
+ return false;
+
return true;
}
+void
+iris_resource_finish_aux_import(struct pipe_screen *pscreen,
+ struct iris_resource *res)
+{
+ struct iris_screen *screen = (struct iris_screen *)pscreen;
+ assert(iris_resource_unfinished_aux_import(res));
+ assert(!res->mod_info->supports_clear_color);
+
+ struct iris_resource *aux_res = (void *) res->base.next;
+ assert(aux_res->aux.surf.row_pitch_B && aux_res->aux.offset &&
+ aux_res->aux.bo);
+
+ assert(res->bo == aux_res->aux.bo);
+ iris_bo_reference(aux_res->aux.bo);
+ res->aux.bo = aux_res->aux.bo;
+
+ res->aux.offset = aux_res->aux.offset;
+
+ assert(res->bo->size >= (res->aux.offset + res->aux.surf.size_B));
+ assert(res->aux.clear_color_bo == NULL);
+ res->aux.clear_color_offset = 0;
+
+ assert(aux_res->aux.surf.row_pitch_B == res->aux.surf.row_pitch_B);
+
+ unsigned clear_color_state_size =
+ iris_get_aux_clear_color_state_size(screen);
+
+ if (clear_color_state_size > 0) {
+ res->aux.clear_color_bo =
+ iris_bo_alloc(screen->bufmgr, "clear color buffer",
+ clear_color_state_size, IRIS_MEMZONE_OTHER);
+ res->aux.clear_color_offset = 0;
+ }
+
+ iris_resource_destroy(&screen->base, res->base.next);
+ res->base.next = NULL;
+}
+
static bool
supports_mcs(const struct isl_surf *surf)
{
util_format_description(templ->format);
const bool has_depth = util_format_has_depth(format_desc);
uint64_t modifier =
- select_best_modifier(devinfo, modifiers, modifiers_count);
+ select_best_modifier(devinfo, templ->format, modifiers, modifiers_count);
isl_tiling_flags_t tiling_flags = ISL_TILING_ANY_MASK;
IRIS_RESOURCE_FLAG_SURFACE_MEMZONE |
IRIS_RESOURCE_FLAG_DYNAMIC_MEMZONE)));
- res->bo = iris_bo_alloc_tiled(screen->bufmgr, name, res->surf.size_B,
- memzone,
+ uint32_t aux_preferred_alloc_flags;
+ uint64_t aux_size = 0;
+ bool aux_enabled =
+ iris_resource_configure_aux(screen, res, false, &aux_size,
+ &aux_preferred_alloc_flags);
+ aux_enabled = aux_enabled && res->aux.surf.size_B > 0;
+ const bool separate_aux = aux_enabled && !res->mod_info;
+ uint64_t aux_offset;
+ uint64_t bo_size;
+
+ if (aux_enabled && !separate_aux) {
+ /* Allocate aux data with main surface. This is required for modifiers
+ * with aux data (ccs).
+ */
+ aux_offset = ALIGN(res->surf.size_B, res->aux.surf.alignment_B);
+ bo_size = aux_offset + aux_size;
+ } else {
+ aux_offset = 0;
+ bo_size = res->surf.size_B;
+ }
+
+ res->bo = iris_bo_alloc_tiled(screen->bufmgr, name, bo_size, 4096, memzone,
isl_tiling_to_i915_tiling(res->surf.tiling),
res->surf.row_pitch_B, flags);
if (!res->bo)
goto fail;
- if (!iris_resource_alloc_aux(screen, res))
+ if (aux_enabled) {
+ if (separate_aux) {
+ if (!iris_resource_alloc_separate_aux(screen, res))
+ aux_enabled = false;
+ } else {
+ res->aux.bo = res->bo;
+ iris_bo_reference(res->aux.bo);
+ res->aux.offset += aux_offset;
+ unsigned clear_color_state_size =
+ iris_get_aux_clear_color_state_size(screen);
+ if (clear_color_state_size > 0)
+ res->aux.clear_color_offset += aux_offset;
+ if (!iris_resource_init_aux_buf(res, flags, clear_color_state_size))
+ aux_enabled = false;
+ }
+ }
+
+ if (!aux_enabled)
iris_resource_disable_aux(res);
return &res->base;
if (templ->target == PIPE_BUFFER) {
res->surf.tiling = ISL_TILING_LINEAR;
} else {
- isl_surf_init(&screen->isl_dev, &res->surf,
- .dim = target_to_isl_surf_dim(templ->target),
- .format = fmt.fmt,
- .width = templ->width0,
- .height = templ->height0,
- .depth = templ->depth0,
- .levels = templ->last_level + 1,
- .array_len = templ->array_size,
- .samples = MAX2(templ->nr_samples, 1),
- .min_alignment_B = 0,
- .row_pitch_B = whandle->stride,
- .usage = isl_usage,
- .tiling_flags = 1 << res->mod_info->tiling);
-
- assert(res->bo->tiling_mode ==
- isl_tiling_to_i915_tiling(res->surf.tiling));
-
- // XXX: create_ccs_buf_for_image?
- if (!iris_resource_alloc_aux(screen, res))
- goto fail;
+ if (whandle->modifier == DRM_FORMAT_MOD_INVALID || whandle->plane == 0) {
+ UNUSED const bool isl_surf_created_successfully =
+ isl_surf_init(&screen->isl_dev, &res->surf,
+ .dim = target_to_isl_surf_dim(templ->target),
+ .format = fmt.fmt,
+ .width = templ->width0,
+ .height = templ->height0,
+ .depth = templ->depth0,
+ .levels = templ->last_level + 1,
+ .array_len = templ->array_size,
+ .samples = MAX2(templ->nr_samples, 1),
+ .min_alignment_B = 0,
+ .row_pitch_B = whandle->stride,
+ .usage = isl_usage,
+ .tiling_flags = 1 << res->mod_info->tiling);
+ assert(isl_surf_created_successfully);
+ assert(res->bo->tiling_mode ==
+ isl_tiling_to_i915_tiling(res->surf.tiling));
+
+ // XXX: create_ccs_buf_for_image?
+ if (whandle->modifier == DRM_FORMAT_MOD_INVALID) {
+ if (!iris_resource_alloc_separate_aux(screen, res))
+ goto fail;
+ } else {
+ if (res->mod_info->aux_usage != ISL_AUX_USAGE_NONE) {
+ uint32_t alloc_flags;
+ uint64_t size;
+ res->aux.usage = res->mod_info->aux_usage;
+ res->aux.possible_usages = 1 << res->mod_info->aux_usage;
+ res->aux.sampler_usages = res->aux.possible_usages;
+ bool ok = iris_resource_configure_aux(screen, res, true, &size,
+ &alloc_flags);
+ assert(ok);
+ /* The gallium dri layer will create a separate plane resource
+ * for the aux image. iris_resource_finish_aux_import will
+ * merge the separate aux parameters back into a single
+ * iris_resource.
+ */
+ }
+ }
+ } else {
+ /* Save modifier import information to reconstruct later. After
+ * import, this will be available under a second image accessible
+ * from the main image with res->base.next. See
+ * iris_resource_finish_aux_import.
+ */
+ res->aux.surf.row_pitch_B = whandle->stride;
+ res->aux.offset = whandle->offset;
+ res->aux.bo = res->bo;
+ res->bo = NULL;
+ }
}
return &res->base;
mod ? mod->supports_clear_color : false);
}
-static boolean
+static bool
+iris_resource_get_param(struct pipe_screen *screen,
+ struct pipe_resource *resource,
+ unsigned int plane,
+ enum pipe_resource_param param,
+ uint64_t *value)
+{
+ struct iris_resource *res = (struct iris_resource *)resource;
+ bool mod_with_aux =
+ res->mod_info && res->mod_info->aux_usage != ISL_AUX_USAGE_NONE;
+ bool wants_aux = mod_with_aux && plane > 0;
+ struct iris_bo *bo = wants_aux ? res->aux.bo : res->bo;
+ bool result;
+ unsigned handle;
+
+ switch (param) {
+ case PIPE_RESOURCE_PARAM_NPLANES:
+ *value = mod_with_aux ? 2 : 1;
+ return true;
+ case PIPE_RESOURCE_PARAM_STRIDE:
+ *value = wants_aux ? res->aux.surf.row_pitch_B : res->surf.row_pitch_B;
+ return true;
+ case PIPE_RESOURCE_PARAM_OFFSET:
+ *value = wants_aux ? res->aux.offset : 0;
+ return true;
+ case PIPE_RESOURCE_PARAM_MODIFIER:
+ *value = res->mod_info ? res->mod_info->modifier :
+ tiling_to_modifier(res->bo->tiling_mode);
+ return true;
+ case PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED:
+ result = iris_bo_flink(bo, &handle) == 0;
+ if (result)
+ *value = handle;
+ return result;
+ case PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS:
+ *value = iris_bo_export_gem_handle(bo);
+ return true;
+ case PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD:
+ result = iris_bo_export_dmabuf(bo, (int *) &handle) == 0;
+ if (result)
+ *value = handle;
+ return result;
+ default:
+ return false;
+ }
+}
+
+static bool
iris_resource_get_handle(struct pipe_screen *pscreen,
struct pipe_context *ctx,
struct pipe_resource *resource,
unsigned usage)
{
struct iris_resource *res = (struct iris_resource *)resource;
+ bool mod_with_aux =
+ res->mod_info && res->mod_info->aux_usage != ISL_AUX_USAGE_NONE;
- /* Disable aux usage if explicit flush not set and this is the
- * first time we are dealing with this resource.
+ /* Disable aux usage if explicit flush not set and this is the first time
+ * we are dealing with this resource and the resource was not created with
+ * a modifier with aux.
*/
- if ((!(usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH) && res->aux.usage != 0)) {
- if (p_atomic_read(&resource->reference.count) == 1)
+ if (!mod_with_aux &&
+ (!(usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH) && res->aux.usage != 0) &&
+ p_atomic_read(&resource->reference.count) == 1) {
iris_resource_disable_aux(res);
}
- /* If this is a buffer, stride should be 0 - no need to special case */
- whandle->stride = res->surf.row_pitch_B;
+ struct iris_bo *bo;
+ if (mod_with_aux && whandle->plane > 0) {
+ assert(res->aux.bo);
+ bo = res->aux.bo;
+ whandle->stride = res->aux.surf.row_pitch_B;
+ whandle->offset = res->aux.offset;
+ } else {
+ /* If this is a buffer, stride should be 0 - no need to special case */
+ whandle->stride = res->surf.row_pitch_B;
+ bo = res->bo;
+ }
whandle->modifier =
res->mod_info ? res->mod_info->modifier
: tiling_to_modifier(res->bo->tiling_mode);
switch (whandle->type) {
case WINSYS_HANDLE_TYPE_SHARED:
- return iris_bo_flink(res->bo, &whandle->handle) == 0;
+ return iris_bo_flink(bo, &whandle->handle) == 0;
case WINSYS_HANDLE_TYPE_KMS:
- whandle->handle = iris_bo_export_gem_handle(res->bo);
+ whandle->handle = iris_bo_export_gem_handle(bo);
return true;
case WINSYS_HANDLE_TYPE_FD:
- return iris_bo_export_dmabuf(res->bo, (int *) &whandle->handle) == 0;
+ return iris_bo_export_dmabuf(bo, (int *) &whandle->handle) == 0;
}
return false;
.nr_samples = xfer->resource->nr_samples,
.nr_storage_samples = xfer->resource->nr_storage_samples,
.array_size = box->depth,
+ .format = res->internal_format,
};
if (xfer->resource->target == PIPE_BUFFER)
else
templ.target = PIPE_TEXTURE_2D;
- /* Depth, stencil, and ASTC can't be linear surfaces, so we can't use
- * xfer->resource->format directly. Pick a bpb compatible format so
- * resource creation will succeed; blorp_copy will override it anyway.
- */
- switch (util_format_get_blocksizebits(res->internal_format)) {
- case 8: templ.format = PIPE_FORMAT_R8_UINT; break;
- case 16: templ.format = PIPE_FORMAT_R8G8_UINT; break;
- case 24: templ.format = PIPE_FORMAT_R8G8B8_UINT; break;
- case 32: templ.format = PIPE_FORMAT_R8G8B8A8_UINT; break;
- case 48: templ.format = PIPE_FORMAT_R16G16B16_UINT; break;
- case 64: templ.format = PIPE_FORMAT_R16G16B16A16_UINT; break;
- case 96: templ.format = PIPE_FORMAT_R32G32B32_UINT; break;
- case 128: templ.format = PIPE_FORMAT_R32G32B32A32_UINT; break;
- default: unreachable("Invalid bpb");
- }
-
map->staging = iris_resource_create(pscreen, &templ);
assert(map->staging);
}
}
+/**
+ * This function computes the tile_w (in bytes) and tile_h (in rows) of
+ * different tiling patterns.
+ */
+static void
+iris_resource_get_tile_dims(enum isl_tiling tiling, uint32_t cpp,
+ uint32_t *tile_w, uint32_t *tile_h)
+{
+ switch (tiling) {
+ case ISL_TILING_X:
+ *tile_w = 512;
+ *tile_h = 8;
+ break;
+ case ISL_TILING_Y0:
+ *tile_w = 128;
+ *tile_h = 32;
+ break;
+ case ISL_TILING_LINEAR:
+ *tile_w = cpp;
+ *tile_h = 1;
+ break;
+ default:
+ unreachable("not reached");
+ }
+
+}
+
+/**
+ * This function computes masks that may be used to select the bits of the X
+ * and Y coordinates that indicate the offset within a tile. If the BO is
+ * untiled, the masks are set to 0.
+ */
+static void
+iris_resource_get_tile_masks(enum isl_tiling tiling, uint32_t cpp,
+ uint32_t *mask_x, uint32_t *mask_y)
+{
+ uint32_t tile_w_bytes, tile_h;
+
+ iris_resource_get_tile_dims(tiling, cpp, &tile_w_bytes, &tile_h);
+
+ *mask_x = tile_w_bytes / cpp - 1;
+ *mask_y = tile_h - 1;
+}
+
+/**
+ * Compute the offset (in bytes) from the start of the BO to the given x
+ * and y coordinate. For tiled BOs, caller must ensure that x and y are
+ * multiples of the tile size.
+ */
+static uint32_t
+iris_resource_get_aligned_offset(const struct iris_resource *res,
+ uint32_t x, uint32_t y)
+{
+ const struct isl_format_layout *fmtl = isl_format_get_layout(res->surf.format);
+ unsigned cpp = fmtl->bpb / 8;
+ uint32_t pitch = res->surf.row_pitch_B;
+
+ switch (res->surf.tiling) {
+ default:
+ unreachable("not reached");
+ case ISL_TILING_LINEAR:
+ return y * pitch + x * cpp;
+ case ISL_TILING_X:
+ assert((x % (512 / cpp)) == 0);
+ assert((y % 8) == 0);
+ return y * pitch + x / (512 / cpp) * 4096;
+ case ISL_TILING_Y0:
+ assert((x % (128 / cpp)) == 0);
+ assert((y % 32) == 0);
+ return y * pitch + x / (128 / cpp) * 4096;
+ }
+}
+
+/**
+ * Rendering with tiled buffers requires that the base address of the buffer
+ * be aligned to a page boundary. For renderbuffers, and sometimes with
+ * textures, we may want the surface to point at a texture image level that
+ * isn't at a page boundary.
+ *
+ * This function returns an appropriately-aligned base offset
+ * according to the tiling restrictions, plus any required x/y offset
+ * from there.
+ */
+uint32_t
+iris_resource_get_tile_offsets(const struct iris_resource *res,
+ uint32_t level, uint32_t z,
+ uint32_t *tile_x, uint32_t *tile_y)
+{
+ uint32_t x, y;
+ uint32_t mask_x, mask_y;
+
+ const struct isl_format_layout *fmtl = isl_format_get_layout(res->surf.format);
+ const unsigned cpp = fmtl->bpb / 8;
+
+ iris_resource_get_tile_masks(res->surf.tiling, cpp, &mask_x, &mask_y);
+ get_image_offset_el(&res->surf, level, z, &x, &y);
+
+ *tile_x = x & mask_x;
+ *tile_y = y & mask_y;
+
+ return iris_resource_get_aligned_offset(res, x & ~mask_x, y & ~mask_y);
+}
+
/**
* Get pointer offset into stencil buffer.
*
* mesa: Fix return type of _mesa_get_format_bytes() (#37351)
*/
static intptr_t
-s8_offset(uint32_t stride, uint32_t x, uint32_t y, bool swizzled)
+s8_offset(uint32_t stride, uint32_t x, uint32_t y)
{
uint32_t tile_size = 4096;
uint32_t tile_width = 64;
+ 2 * (byte_y % 2)
+ 1 * (byte_x % 2);
- if (swizzled) {
- /* adjust for bit6 swizzling */
- if (((byte_x / 8) % 2) == 1) {
- if (((byte_y / 8) % 2) == 0) {
- u += 64;
- } else {
- u -= 64;
- }
- }
- }
-
return u;
}
const struct pipe_box *box = &xfer->box;
struct iris_resource *res = (struct iris_resource *) xfer->resource;
struct isl_surf *surf = &res->surf;
- const bool has_swizzling = false;
if (xfer->usage & PIPE_TRANSFER_WRITE) {
uint8_t *untiled_s8_map = map->ptr;
for (uint32_t x = 0; x < box->width; x++) {
ptrdiff_t offset = s8_offset(surf->row_pitch_B,
x0_el + box->x + x,
- y0_el + box->y + y,
- has_swizzling);
+ y0_el + box->y + y);
tiled_s8_map[offset] =
untiled_s8_map[s * xfer->layer_stride + y * xfer->stride + x];
}
map->buffer = map->ptr = malloc(xfer->layer_stride * box->depth);
assert(map->buffer);
- const bool has_swizzling = false;
-
/* One of either READ_BIT or WRITE_BIT or both is set. READ_BIT implies no
* INVALIDATE_RANGE_BIT. WRITE_BIT needs the original values read in unless
* invalidate is set, since we'll be writing the whole rectangle from our
for (uint32_t x = 0; x < box->width; x++) {
ptrdiff_t offset = s8_offset(surf->row_pitch_B,
x0_el + box->x + x,
- y0_el + box->y + y,
- has_swizzling);
+ y0_el + box->y + y);
untiled_s8_map[s * xfer->layer_stride + y * xfer->stride + x] =
tiled_s8_map[offset];
}
const bool has_swizzling = false;
- // XXX: PIPE_TRANSFER_READ?
if (!(xfer->usage & PIPE_TRANSFER_DISCARD_RANGE)) {
char *src =
iris_bo_map(map->dbg, res->bo, (xfer->usage | MAP_RAW) & MAP_FLAGS);
usage |= PIPE_TRANSFER_DISCARD_RANGE;
}
- bool map_would_stall = false;
-
- if (resource->target != PIPE_BUFFER) {
- iris_resource_access_raw(ice, &ice->batches[IRIS_BATCH_RENDER], res,
- level, box->z, box->depth,
- usage & PIPE_TRANSFER_WRITE);
- }
-
if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&
can_promote_to_async(res, box, usage)) {
usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
}
+ bool need_resolve = false;
+ bool need_color_resolve = false;
+
+ if (resource->target != PIPE_BUFFER) {
+ bool need_hiz_resolve = iris_resource_level_has_hiz(res, level);
+
+ need_color_resolve =
+ (res->aux.usage == ISL_AUX_USAGE_CCS_D ||
+ res->aux.usage == ISL_AUX_USAGE_CCS_E) &&
+ iris_has_color_unresolved(res, level, 1, box->z, box->depth);
+
+ need_resolve = need_color_resolve || need_hiz_resolve;
+ }
+
+ bool map_would_stall = false;
+
if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
- map_would_stall = resource_is_busy(ice, res);
+ map_would_stall = need_resolve || resource_is_busy(ice, res);
if (map_would_stall && (usage & PIPE_TRANSFER_DONTBLOCK) &&
(usage & PIPE_TRANSFER_MAP_DIRECTLY))
* temporary and map that, to avoid the resolve. (It might be better to
* a tiled temporary and use the tiled_memcpy paths...)
*/
- if (!(usage & PIPE_TRANSFER_DISCARD_RANGE) &&
- res->aux.usage != ISL_AUX_USAGE_CCS_E &&
- res->aux.usage != ISL_AUX_USAGE_CCS_D) {
+ if (!(usage & PIPE_TRANSFER_DISCARD_RANGE) && !need_color_resolve)
+ no_gpu = true;
+
+ const struct isl_format_layout *fmtl = isl_format_get_layout(surf->format);
+ if (fmtl->txc == ISL_TXC_ASTC)
no_gpu = true;
- }
if ((map_would_stall || res->aux.usage == ISL_AUX_USAGE_CCS_E) && !no_gpu) {
- /* If we need a synchronous mapping and the resource is busy,
- * we copy to/from a linear temporary buffer using the GPU.
+ /* If we need a synchronous mapping and the resource is busy, or needs
+ * resolving, we copy to/from a linear temporary buffer using the GPU.
*/
map->batch = &ice->batches[IRIS_BATCH_RENDER];
map->blorp = &ice->blorp;
iris_map_copy_region(map);
} else {
- /* Otherwise we're free to map on the CPU. Flush if needed. */
+ /* Otherwise we're free to map on the CPU. */
+
+ if (need_resolve) {
+ iris_resource_access_raw(ice, &ice->batches[IRIS_BATCH_RENDER], res,
+ level, box->z, box->depth,
+ usage & PIPE_TRANSFER_WRITE);
+ }
+
if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
for (int i = 0; i < IRIS_BATCH_COUNT; i++) {
if (iris_batch_references(&ice->batches[i], res->bo))
if (map->staging)
iris_flush_staging_region(xfer, box);
- for (int i = 0; i < IRIS_BATCH_COUNT; i++) {
- if (ice->batches[i].contains_draw ||
- ice->batches[i].cache.render->entries) {
- iris_batch_maybe_flush(&ice->batches[i], 24);
- iris_flush_and_dirty_for_history(ice, &ice->batches[i], res,
- "cache history: transfer flush");
+ uint32_t history_flush = 0;
+
+ if (res->base.target == PIPE_BUFFER) {
+ history_flush |= iris_flush_bits_for_history(res) |
+ (map->staging ? PIPE_CONTROL_RENDER_TARGET_FLUSH : 0);
+ }
+
+ if (history_flush & ~PIPE_CONTROL_CS_STALL) {
+ for (int i = 0; i < IRIS_BATCH_COUNT; i++) {
+ struct iris_batch *batch = &ice->batches[i];
+ if (batch->contains_draw || batch->cache.render->entries) {
+ iris_batch_maybe_flush(batch, 24);
+ iris_emit_pipe_control_flush(batch,
+ "cache history: transfer flush",
+ history_flush);
+ }
}
}
struct iris_context *ice = (struct iris_context *)ctx;
struct iris_transfer *map = (void *) xfer;
- if (!(xfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
+ if (!(xfer->usage & (PIPE_TRANSFER_FLUSH_EXPLICIT |
+ PIPE_TRANSFER_COHERENT))) {
struct pipe_box flush_box = {
.x = 0, .y = 0, .z = 0,
.width = xfer->box.width,
iris_flush_and_dirty_for_history(struct iris_context *ice,
struct iris_batch *batch,
struct iris_resource *res,
+ uint32_t extra_flags,
const char *reason)
{
if (res->base.target != PIPE_BUFFER)
return;
- uint32_t flush = iris_flush_bits_for_history(res);
-
- /* We've likely used the rendering engine (i.e. BLORP) to write to this
- * surface. Flush the render cache so the data actually lands.
- */
- if (batch->name != IRIS_BATCH_COMPUTE)
- flush |= PIPE_CONTROL_RENDER_TARGET_FLUSH;
+ uint32_t flush = iris_flush_bits_for_history(res) | extra_flags;
iris_emit_pipe_control_flush(batch, reason, flush);
+
+ iris_dirty_for_history(ice, res);
}
bool
pscreen->resource_from_user_memory = iris_resource_from_user_memory;
pscreen->resource_from_handle = iris_resource_from_handle;
pscreen->resource_get_handle = iris_resource_get_handle;
+ pscreen->resource_get_param = iris_resource_get_param;
pscreen->resource_destroy = u_transfer_helper_resource_destroy;
pscreen->transfer_helper =
u_transfer_helper_create(&transfer_vtbl, true, true, false, true);