-/**************************************************************************
- *
+/*
* Copyright 2006 VMware, Inc.
* All Rights Reserved.
*
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
+ * distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
+ */
#include <GL/gl.h>
#include <GL/internal/dri_interface.h>
#include "intel_batchbuffer.h"
-#include "intel_chipset.h"
#include "intel_mipmap_tree.h"
-#include "intel_regions.h"
#include "intel_resolve_map.h"
#include "intel_tex.h"
#include "intel_blit.h"
#include "main/texcompress_etc.h"
#include "main/teximage.h"
#include "main/streaming-load-memcpy.h"
+#include "x86/common_x86_asm.h"
#define FILE_DEBUG_FLAG DEBUG_MIPTREE
+static void *intel_miptree_map_raw(struct brw_context *brw,
+ struct intel_mipmap_tree *mt);
+
+static void intel_miptree_unmap_raw(struct intel_mipmap_tree *mt);
+
+static bool
+intel_miptree_alloc_mcs(struct brw_context *brw,
+ struct intel_mipmap_tree *mt,
+ GLuint num_samples);
+
/**
* Determine which MSAA layout should be used by the MSAA surface being
* created, based on the chip generation and the surface type.
*/
static enum intel_msaa_layout
-compute_msaa_layout(struct brw_context *brw, mesa_format format, GLenum target)
+compute_msaa_layout(struct brw_context *brw, mesa_format format,
+ bool disable_aux_buffers)
{
/* Prior to Gen7, all MSAA surfaces used IMS layout. */
if (brw->gen < 7)
case GL_DEPTH_STENCIL:
return INTEL_MSAA_LAYOUT_IMS;
default:
- /* Disable MCS on Broadwell for now. We can enable it once things
- * are working without it.
- */
- if (brw->gen >= 8) {
- perf_debug("Missing CMS support on Broadwell.\n");
- return INTEL_MSAA_LAYOUT_UMS;
- }
-
/* From the Ivy Bridge PRM, Vol4 Part1 p77 ("MCS Enable"):
*
* This field must be set to 0 for all SINT MSRTs when all RT channels
* would require converting between CMS and UMS MSAA layouts on the fly,
* which is expensive.
*/
- if (_mesa_get_format_datatype(format) == GL_INT) {
- /* TODO: is this workaround needed for future chipsets? */
- assert(brw->gen == 7);
+ if (brw->gen == 7 && _mesa_get_format_datatype(format) == GL_INT) {
+ return INTEL_MSAA_LAYOUT_UMS;
+ } else if (disable_aux_buffers) {
+ /* We can't use the CMS layout because it uses an aux buffer, the MCS
+ * buffer. So fallback to UMS, which is identical to CMS without the
+ * MCS. */
return INTEL_MSAA_LAYOUT_UMS;
} else {
return INTEL_MSAA_LAYOUT_CMS;
* by half the block width, and Y coordinates by half the block height.
*/
void
-intel_get_non_msrt_mcs_alignment(struct brw_context *brw,
- struct intel_mipmap_tree *mt,
+intel_get_non_msrt_mcs_alignment(struct intel_mipmap_tree *mt,
unsigned *width_px, unsigned *height)
{
- switch (mt->region->tiling) {
+ switch (mt->tiling) {
default:
- assert(!"Non-MSRT MCS requires X or Y tiling");
+ unreachable("Non-MSRT MCS requires X or Y tiling");
/* In release builds, fall through */
case I915_TILING_Y:
*width_px = 32 / mt->cpp;
}
}
+bool
+intel_tiling_supports_non_msrt_mcs(struct brw_context *brw, unsigned tiling)
+{
+ /* From the Ivy Bridge PRM, Vol2 Part1 11.7 "MCS Buffer for Render
+ * Target(s)", beneath the "Fast Color Clear" bullet (p326):
+ *
+ * - Support is limited to tiled render targets.
+ *
+ * Gen9 changes the restriction to Y-tile only.
+ */
+ if (brw->gen >= 9)
+ return tiling == I915_TILING_Y;
+ else if (brw->gen >= 7)
+ return tiling != I915_TILING_NONE;
+ else
+ return false;
+}
/**
* For a single-sampled render target ("non-MSRT"), determine if an MCS buffer
- * can be used.
+ * can be used. This doesn't (and should not) inspect any of the properties of
+ * the miptree's BO.
*
* From the Ivy Bridge PRM, Vol2 Part1 11.7 "MCS Buffer for Render Target(s)",
* beneath the "Fast Color Clear" bullet (p326):
*
- * - Support is limited to tiled render targets.
* - Support is for non-mip-mapped and non-array surface types only.
*
* And then later, on p327:
* 64bpp, and 128bpp.
*/
bool
-intel_is_non_msrt_mcs_buffer_supported(struct brw_context *brw,
- struct intel_mipmap_tree *mt)
+intel_miptree_is_fast_clear_capable(struct brw_context *brw,
+ struct intel_mipmap_tree *mt)
{
/* MCS support does not exist prior to Gen7 */
- if (brw->gen < 7 || brw->gen >= 8)
+ if (brw->gen < 7)
+ return false;
+
+ if (mt->disable_aux_buffers)
return false;
/* MCS is only supported for color buffers */
return false;
}
- if (mt->region->tiling != I915_TILING_X &&
- mt->region->tiling != I915_TILING_Y)
- return false;
if (mt->cpp != 4 && mt->cpp != 8 && mt->cpp != 16)
return false;
- if (mt->first_level != 0 || mt->last_level != 0)
+ if (mt->first_level != 0 || mt->last_level != 0) {
+ if (brw->gen >= 8) {
+ perf_debug("Multi-LOD fast clear - giving up (%dx%dx%d).\n",
+ mt->logical_width0, mt->logical_height0, mt->last_level);
+ }
+
return false;
- if (mt->physical_depth0 != 1)
+ }
+ if (mt->physical_depth0 != 1) {
+ if (brw->gen >= 8) {
+ perf_debug("Layered fast clear - giving up. (%dx%d%d)\n",
+ mt->logical_width0, mt->logical_height0,
+ mt->physical_depth0);
+ }
+
return false;
+ }
/* There's no point in using an MCS buffer if the surface isn't in a
* renderable format.
* intel_miptree_create_for_bo(). If true, then do not create
* \c stencil_mt.
*/
-struct intel_mipmap_tree *
+static struct intel_mipmap_tree *
intel_miptree_create_layout(struct brw_context *brw,
GLenum target,
mesa_format format,
GLuint width0,
GLuint height0,
GLuint depth0,
- bool for_bo,
- GLuint num_samples)
+ GLuint num_samples,
+ uint32_t layout_flags)
{
struct intel_mipmap_tree *mt = calloc(sizeof(*mt), 1);
if (!mt)
return NULL;
- DBG("%s target %s format %s level %d..%d slices %d <-- %p\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(target),
+ DBG("%s target %s format %s level %d..%d slices %d <-- %p\n", __func__,
+ _mesa_enum_to_string(target),
_mesa_get_format_name(format),
first_level, last_level, depth0, mt);
+ if (target == GL_TEXTURE_1D_ARRAY) {
+ /* For a 1D Array texture the OpenGL API will treat the height0
+ * parameter as the number of array slices. For Intel hardware, we treat
+ * the 1D array as a 2D Array with a height of 1.
+ *
+ * So, when we first come through this path to create a 1D Array
+ * texture, height0 stores the number of slices, and depth0 is 1. In
+ * this case, we want to swap height0 and depth0.
+ *
+ * Since some miptrees will be created based on the base miptree, we may
+ * come through this path and see height0 as 1 and depth0 being the
+ * number of slices. In this case we don't need to do the swap.
+ */
+ assert(height0 == 1 || depth0 == 1);
+ if (height0 > 1) {
+ depth0 = height0;
+ height0 = 1;
+ }
+ }
+
mt->target = target;
mt->format = format;
mt->first_level = first_level;
mt->logical_height0 = height0;
mt->logical_depth0 = depth0;
mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_NO_MCS;
-
- /* The cpp is bytes per (1, blockheight)-sized block for compressed
- * textures. This is why you'll see divides by blockheight all over
- */
- unsigned bw, bh;
- _mesa_get_format_block_size(format, &bw, &bh);
- assert(_mesa_get_format_bytes(mt->format) % bw == 0);
- mt->cpp = _mesa_get_format_bytes(mt->format) / bw;
-
+ mt->disable_aux_buffers = (layout_flags & MIPTREE_LAYOUT_DISABLE_AUX) != 0;
+ exec_list_make_empty(&mt->hiz_map);
+ mt->cpp = _mesa_get_format_bytes(format);
mt->num_samples = num_samples;
mt->compressed = _mesa_is_format_compressed(format);
mt->msaa_layout = INTEL_MSAA_LAYOUT_NONE;
if (num_samples > 1) {
/* Adjust width/height/depth for MSAA */
- mt->msaa_layout = compute_msaa_layout(brw, format, mt->target);
+ mt->msaa_layout = compute_msaa_layout(brw, format,
+ mt->disable_aux_buffers);
if (mt->msaa_layout == INTEL_MSAA_LAYOUT_IMS) {
- /* In the Sandy Bridge PRM, volume 4, part 1, page 31, it says:
+ /* From the Ivybridge PRM, Volume 1, Part 1, page 108:
+ * "If the surface is multisampled and it is a depth or stencil
+ * surface or Multisampled Surface StorageFormat in SURFACE_STATE is
+ * MSFMT_DEPTH_STENCIL, WL and HL must be adjusted as follows before
+ * proceeding:
+ *
+ * +----------------------------------------------------------------+
+ * | Num Multisamples | W_l = | H_l = |
+ * +----------------------------------------------------------------+
+ * | 2 | ceiling(W_l / 2) * 4 | H_l (no adjustment) |
+ * | 4 | ceiling(W_l / 2) * 4 | ceiling(H_l / 2) * 4 |
+ * | 8 | ceiling(W_l / 2) * 8 | ceiling(H_l / 2) * 4 |
+ * | 16 | ceiling(W_l / 2) * 8 | ceiling(H_l / 2) * 8 |
+ * +----------------------------------------------------------------+
+ * "
+ *
+ * Note that MSFMT_DEPTH_STENCIL just means the IMS (interleaved)
+ * format rather than UMS/CMS (array slices). The Sandybridge PRM,
+ * Volume 1, Part 1, Page 111 has the same formula for 4x MSAA.
+ *
+ * Another more complicated explanation for these adjustments comes
+ * from the Sandybridge PRM, volume 4, part 1, page 31:
*
* "Any of the other messages (sample*, LOD, load4) used with a
* (4x) multisampled surface will in-effect sample a surface with
/* num_samples should already have been quantized to 0, 1, 2, 4, or
* 8.
*/
- assert(false);
+ unreachable("not reached");
}
} else {
/* Non-interleaved */
}
}
- /* array_spacing_lod0 is only used for non-IMS MSAA surfaces. TODO: can we
- * use it elsewhere?
+ /* Set array_layout to ALL_SLICES_AT_EACH_LOD when array_spacing_lod0 can
+ * be used. array_spacing_lod0 is only used for non-IMS MSAA surfaces on
+ * Gen 7 and 8. On Gen 8 and 9 this layout is not available but it is still
+ * used on Gen8 to make it pick a qpitch value which doesn't include space
+ * for the mipmaps. On Gen9 this is not necessary because it will
+ * automatically pick a packed qpitch value whenever mt->first_level ==
+ * mt->last_level.
+ * TODO: can we use it elsewhere?
+ * TODO: also disable this on Gen8 and pick the qpitch value like Gen9
*/
- switch (mt->msaa_layout) {
- case INTEL_MSAA_LAYOUT_NONE:
- case INTEL_MSAA_LAYOUT_IMS:
- mt->array_spacing_lod0 = false;
- break;
- case INTEL_MSAA_LAYOUT_UMS:
- case INTEL_MSAA_LAYOUT_CMS:
- mt->array_spacing_lod0 = true;
- break;
+ if (brw->gen >= 9) {
+ mt->array_layout = ALL_LOD_IN_EACH_SLICE;
+ } else {
+ switch (mt->msaa_layout) {
+ case INTEL_MSAA_LAYOUT_NONE:
+ case INTEL_MSAA_LAYOUT_IMS:
+ mt->array_layout = ALL_LOD_IN_EACH_SLICE;
+ break;
+ case INTEL_MSAA_LAYOUT_UMS:
+ case INTEL_MSAA_LAYOUT_CMS:
+ mt->array_layout = ALL_SLICES_AT_EACH_LOD;
+ break;
+ }
}
if (target == GL_TEXTURE_CUBE_MAP) {
mt->physical_height0 = height0;
mt->physical_depth0 = depth0;
- if (!for_bo &&
+ if (!(layout_flags & MIPTREE_LAYOUT_FOR_BO) &&
_mesa_get_format_base_format(format) == GL_DEPTH_STENCIL &&
(brw->must_use_separate_stencil ||
- (brw->has_separate_stencil && brw_is_hiz_depth_format(brw, format)))) {
+ (brw->has_separate_stencil &&
+ intel_miptree_wants_hiz_buffer(brw, mt)))) {
+ uint32_t stencil_flags = MIPTREE_LAYOUT_ACCELERATED_UPLOAD;
+ if (brw->gen == 6) {
+ stencil_flags |= MIPTREE_LAYOUT_FORCE_ALL_SLICE_AT_LOD |
+ MIPTREE_LAYOUT_TILING_ANY;
+ }
+
mt->stencil_mt = intel_miptree_create(brw,
mt->target,
MESA_FORMAT_S_UINT8,
mt->logical_width0,
mt->logical_height0,
mt->logical_depth0,
- true,
num_samples,
- INTEL_MIPTREE_TILING_ANY);
+ stencil_flags);
+
if (!mt->stencil_mt) {
intel_miptree_release(&mt);
return NULL;
}
}
- brw_miptree_layout(brw, mt);
-
- return mt;
-}
-
-/**
- * \brief Helper function for intel_miptree_create().
- */
-static uint32_t
-intel_miptree_choose_tiling(struct brw_context *brw,
- mesa_format format,
- uint32_t width0,
- uint32_t num_samples,
- enum intel_miptree_tiling_mode requested,
- struct intel_mipmap_tree *mt)
-{
- if (format == MESA_FORMAT_S_UINT8) {
- /* The stencil buffer is W tiled. However, we request from the kernel a
- * non-tiled buffer because the GTT is incapable of W fencing.
- */
- return I915_TILING_NONE;
- }
+ if (layout_flags & MIPTREE_LAYOUT_FORCE_ALL_SLICE_AT_LOD)
+ mt->array_layout = ALL_SLICES_AT_EACH_LOD;
- /* Some usages may want only one type of tiling, like depth miptrees (Y
- * tiled), or temporary BOs for uploading data once (linear).
+ /*
+ * Obey HALIGN_16 constraints for Gen8 and Gen9 buffers which are
+ * multisampled or have an AUX buffer attached to it.
+ *
+ * GEN | MSRT | AUX_CCS_* or AUX_MCS
+ * -------------------------------------------
+ * 9 | HALIGN_16 | HALIGN_16
+ * 8 | HALIGN_ANY | HALIGN_16
+ * 7 | ? | ?
+ * 6 | ? | ?
*/
- switch (requested) {
- case INTEL_MIPTREE_TILING_ANY:
- break;
- case INTEL_MIPTREE_TILING_Y:
- return I915_TILING_Y;
- case INTEL_MIPTREE_TILING_NONE:
- return I915_TILING_NONE;
- }
-
- if (num_samples > 1) {
- /* From p82 of the Sandy Bridge PRM, dw3[1] of SURFACE_STATE ("Tiled
- * Surface"):
- *
- * [DevSNB+]: For multi-sample render targets, this field must be
- * 1. MSRTs can only be tiled.
- *
- * Our usual reason for preferring X tiling (fast blits using the
- * blitting engine) doesn't apply to MSAA, since we'll generally be
- * downsampling or upsampling when blitting between the MSAA buffer
- * and another buffer, and the blitting engine doesn't support that.
- * So use Y tiling, since it makes better use of the cache.
- */
- return I915_TILING_Y;
- }
-
- GLenum base_format = _mesa_get_format_base_format(format);
- if (base_format == GL_DEPTH_COMPONENT ||
- base_format == GL_DEPTH_STENCIL_EXT)
- return I915_TILING_Y;
-
- int minimum_pitch = mt->total_width * mt->cpp;
-
- /* If the width is much smaller than a tile, don't bother tiling. */
- if (minimum_pitch < 64)
- return I915_TILING_NONE;
-
- if (ALIGN(minimum_pitch, 512) >= 32768 ||
- mt->total_width >= 32768 || mt->total_height >= 32768) {
- perf_debug("%dx%d miptree too large to blit, falling back to untiled",
- mt->total_width, mt->total_height);
- return I915_TILING_NONE;
+ if (intel_miptree_is_fast_clear_capable(brw, mt)) {
+ if (brw->gen >= 9 || (brw->gen == 8 && num_samples <= 1))
+ layout_flags |= MIPTREE_LAYOUT_FORCE_HALIGN16;
+ } else if (brw->gen >= 9 && num_samples > 1) {
+ layout_flags |= MIPTREE_LAYOUT_FORCE_HALIGN16;
+ } else {
+ /* For now, nothing else has this requirement */
+ assert((layout_flags & MIPTREE_LAYOUT_FORCE_HALIGN16) == 0);
}
- /* Pre-gen6 doesn't have BLORP to handle Y-tiling, so use X-tiling. */
- if (brw->gen < 6)
- return I915_TILING_X;
+ brw_miptree_layout(brw, mt, layout_flags);
- /* From the Sandybridge PRM, Volume 1, Part 2, page 32:
- * "NOTE: 128BPE Format Color Buffer ( render target ) MUST be either TileX
- * or Linear."
- * 128 bits per pixel translates to 16 bytes per pixel. This is necessary
- * all the way back to 965, but is explicitly permitted on Gen7.
- */
- if (brw->gen != 7 && mt->cpp >= 16)
- return I915_TILING_X;
+ if (mt->disable_aux_buffers)
+ assert(mt->msaa_layout != INTEL_MSAA_LAYOUT_CMS);
- /* From the Ivy Bridge PRM, Vol4 Part1 2.12.2.1 (SURFACE_STATE for most
- * messages), on p64, under the heading "Surface Vertical Alignment":
- *
- * This field must be set to VALIGN_4 for all tiled Y Render Target
- * surfaces.
- *
- * So if the surface is renderable and uses a vertical alignment of 2,
- * force it to be X tiled. This is somewhat conservative (it's possible
- * that the client won't ever render to this surface), but it's difficult
- * to know that ahead of time. And besides, since we use a vertical
- * alignment of 4 as often as we can, this shouldn't happen very often.
- */
- if (brw->gen == 7 && mt->align_h == 2 &&
- brw->format_supported_as_render_target[format]) {
- return I915_TILING_X;
- }
-
- return I915_TILING_Y | I915_TILING_X;
+ return mt;
}
}
}
+/* This function computes Yf/Ys tiled bo size, alignment and pitch. */
+static unsigned long
+intel_get_yf_ys_bo_size(struct intel_mipmap_tree *mt, unsigned *alignment,
+ unsigned long *pitch)
+{
+ uint32_t tile_width, tile_height;
+ unsigned long stride, size, aligned_y;
+
+ assert(mt->tr_mode != INTEL_MIPTREE_TRMODE_NONE);
+ intel_get_tile_dims(mt->tiling, mt->tr_mode, mt->cpp,
+ &tile_width, &tile_height);
+
+ aligned_y = ALIGN(mt->total_height, tile_height);
+ stride = mt->total_width * mt->cpp;
+ stride = ALIGN(stride, tile_width);
+ size = stride * aligned_y;
+
+ if (mt->tr_mode == INTEL_MIPTREE_TRMODE_YF) {
+ assert(size % 4096 == 0);
+ *alignment = 4096;
+ } else {
+ assert(size % (64 * 1024) == 0);
+ *alignment = 64 * 1024;
+ }
+ *pitch = stride;
+ return size;
+}
struct intel_mipmap_tree *
intel_miptree_create(struct brw_context *brw,
- GLenum target,
- mesa_format format,
- GLuint first_level,
- GLuint last_level,
- GLuint width0,
- GLuint height0,
- GLuint depth0,
- bool expect_accelerated_upload,
+ GLenum target,
+ mesa_format format,
+ GLuint first_level,
+ GLuint last_level,
+ GLuint width0,
+ GLuint height0,
+ GLuint depth0,
GLuint num_samples,
- enum intel_miptree_tiling_mode requested_tiling)
+ uint32_t layout_flags)
{
struct intel_mipmap_tree *mt;
mesa_format tex_format = format;
mesa_format etc_format = MESA_FORMAT_NONE;
GLuint total_width, total_height;
+ uint32_t alloc_flags = 0;
format = intel_lower_compressed_format(brw, format);
etc_format = (format != tex_format) ? tex_format : MESA_FORMAT_NONE;
+ assert((layout_flags & MIPTREE_LAYOUT_DISABLE_AUX) == 0);
+ assert((layout_flags & MIPTREE_LAYOUT_FOR_BO) == 0);
mt = intel_miptree_create_layout(brw, target, format,
- first_level, last_level, width0,
- height0, depth0,
- false, num_samples);
+ first_level, last_level, width0,
+ height0, depth0, num_samples,
+ layout_flags);
/*
* pitch == 0 || height == 0 indicates the null texture
*/
total_height = ALIGN(total_height, 64);
}
- uint32_t tiling = intel_miptree_choose_tiling(brw, format, width0,
- num_samples, requested_tiling,
- mt);
- bool y_or_x = tiling == (I915_TILING_Y | I915_TILING_X);
+ bool y_or_x = false;
+
+ if (mt->tiling == (I915_TILING_Y | I915_TILING_X)) {
+ y_or_x = true;
+ mt->tiling = I915_TILING_Y;
+ }
+
+ if (layout_flags & MIPTREE_LAYOUT_ACCELERATED_UPLOAD)
+ alloc_flags |= BO_ALLOC_FOR_RENDER;
+ unsigned long pitch;
mt->etc_format = etc_format;
- mt->region = intel_region_alloc(brw->intelScreen,
- y_or_x ? I915_TILING_Y : tiling,
- mt->cpp,
- total_width,
- total_height,
- expect_accelerated_upload);
-
- /* If the region is too large to fit in the aperture, we need to use the
- * BLT engine to support it. The BLT paths can't currently handle Y-tiling,
- * so we need to fall back to X.
+
+ if (mt->tr_mode != INTEL_MIPTREE_TRMODE_NONE) {
+ unsigned alignment = 0;
+ unsigned long size;
+ size = intel_get_yf_ys_bo_size(mt, &alignment, &pitch);
+ assert(size);
+ mt->bo = drm_intel_bo_alloc_for_render(brw->bufmgr, "miptree",
+ size, alignment);
+ } else {
+ mt->bo = drm_intel_bo_alloc_tiled(brw->bufmgr, "miptree",
+ total_width, total_height, mt->cpp,
+ &mt->tiling, &pitch,
+ alloc_flags);
+ }
+
+ mt->pitch = pitch;
+
+ /* If the BO is too large to fit in the aperture, we need to use the
+ * BLT engine to support it. Prior to Sandybridge, the BLT paths can't
+ * handle Y-tiling, so we need to fall back to X.
*/
- if (y_or_x && mt->region->bo->size >= brw->max_gtt_map_object_size) {
+ if (brw->gen < 6 && y_or_x && mt->bo->size >= brw->max_gtt_map_object_size) {
perf_debug("%dx%d miptree larger than aperture; falling back to X-tiled\n",
mt->total_width, mt->total_height);
- intel_region_release(&mt->region);
- mt->region = intel_region_alloc(brw->intelScreen,
- I915_TILING_X,
- mt->cpp,
- total_width,
- total_height,
- expect_accelerated_upload);
+ mt->tiling = I915_TILING_X;
+ drm_intel_bo_unreference(mt->bo);
+ mt->bo = drm_intel_bo_alloc_tiled(brw->bufmgr, "miptree",
+ total_width, total_height, mt->cpp,
+ &mt->tiling, &pitch, alloc_flags);
+ mt->pitch = pitch;
}
mt->offset = 0;
- if (!mt->region) {
+ if (!mt->bo) {
intel_miptree_release(&mt);
return NULL;
}
if (mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) {
+ assert(mt->num_samples > 1);
if (!intel_miptree_alloc_mcs(brw, mt, num_samples)) {
intel_miptree_release(&mt);
return NULL;
* Allocation of the MCS miptree will be deferred until the first fast
* clear actually occurs.
*/
- if (intel_is_non_msrt_mcs_buffer_supported(brw, mt))
+ if (intel_tiling_supports_non_msrt_mcs(brw, mt->tiling) &&
+ intel_miptree_is_fast_clear_capable(brw, mt)) {
mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
+ assert(brw->gen < 8 || mt->halign == 16 || num_samples <= 1);
+ }
return mt;
}
uint32_t offset,
uint32_t width,
uint32_t height,
- int pitch)
+ uint32_t depth,
+ int pitch,
+ uint32_t layout_flags)
{
struct intel_mipmap_tree *mt;
uint32_t tiling, swizzle;
-
- struct intel_region *region = calloc(1, sizeof(*region));
- if (!region)
- return NULL;
+ GLenum target;
drm_intel_bo_get_tiling(bo, &tiling, &swizzle);
*/
assert(pitch >= 0);
- mt = intel_miptree_create_layout(brw, GL_TEXTURE_2D, format,
+ target = depth > 1 ? GL_TEXTURE_2D_ARRAY : GL_TEXTURE_2D;
+
+ /* The BO already has a tiling format and we shouldn't confuse the lower
+ * layers by making it try to find a tiling format again.
+ */
+ assert((layout_flags & MIPTREE_LAYOUT_TILING_ANY) == 0);
+ assert((layout_flags & MIPTREE_LAYOUT_TILING_NONE) == 0);
+
+ layout_flags |= MIPTREE_LAYOUT_FOR_BO;
+ mt = intel_miptree_create_layout(brw, target, format,
0, 0,
- width, height, 1,
- true, 0 /* num_samples */);
- if (!mt) {
- free(region);
- return mt;
- }
-
- region->cpp = mt->cpp;
- region->width = width;
- region->height = height;
- region->pitch = pitch;
- region->refcount = 1;
- drm_intel_bo_reference(bo);
- region->bo = bo;
- region->tiling = tiling;
+ width, height, depth, 0,
+ layout_flags);
+ if (!mt)
+ return NULL;
- mt->region = region;
+ drm_intel_bo_reference(bo);
+ mt->bo = bo;
+ mt->pitch = pitch;
mt->offset = offset;
+ mt->tiling = tiling;
return mt;
}
/**
- * For a singlesample image buffer, this simply wraps the given region with a miptree.
+ * For a singlesample renderbuffer, this simply wraps the given BO with a
+ * miptree.
*
- * For a multisample image buffer, this wraps the given region with
- * a singlesample miptree, then creates a multisample miptree into which the
- * singlesample miptree is embedded as a child.
+ * For a multisample renderbuffer, this wraps the window system's
+ * (singlesample) BO with a singlesample miptree attached to the
+ * intel_renderbuffer, then creates a multisample miptree attached to irb->mt
+ * that will contain the actual rendering (which is lazily resolved to
+ * irb->singlesample_mt).
*/
void
intel_update_winsys_renderbuffer_miptree(struct brw_context *intel,
struct intel_renderbuffer *irb,
- struct intel_region *region)
+ drm_intel_bo *bo,
+ uint32_t width, uint32_t height,
+ uint32_t pitch)
{
struct intel_mipmap_tree *singlesample_mt = NULL;
struct intel_mipmap_tree *multisample_mt = NULL;
_mesa_get_format_base_format(format) == GL_RGBA);
singlesample_mt = intel_miptree_create_for_bo(intel,
- region->bo,
+ bo,
format,
0,
- region->width,
- region->height,
- region->pitch);
+ width,
+ height,
+ 1,
+ pitch,
+ 0);
if (!singlesample_mt)
goto fail;
- singlesample_mt->region->name = region->name;
-
/* If this miptree is capable of supporting fast color clears, set
* mcs_state appropriately to ensure that fast clears will occur.
* Allocation of the MCS miptree will be deferred until the first fast
* clear actually occurs.
*/
- if (intel_is_non_msrt_mcs_buffer_supported(intel, singlesample_mt))
+ if (intel_tiling_supports_non_msrt_mcs(intel, singlesample_mt->tiling) &&
+ intel_miptree_is_fast_clear_capable(intel, singlesample_mt))
singlesample_mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
if (num_samples == 0) {
irb->singlesample_mt = singlesample_mt;
if (!irb->mt ||
- irb->mt->logical_width0 != region->width ||
- irb->mt->logical_height0 != region->height) {
+ irb->mt->logical_width0 != width ||
+ irb->mt->logical_height0 != height) {
multisample_mt = intel_miptree_create_for_renderbuffer(intel,
format,
- region->width,
- region->height,
+ width,
+ height,
num_samples);
if (!multisample_mt)
goto fail;
uint32_t depth = 1;
bool ok;
GLenum target = num_samples > 1 ? GL_TEXTURE_2D_MULTISAMPLE : GL_TEXTURE_2D;
+ const uint32_t layout_flags = MIPTREE_LAYOUT_ACCELERATED_UPLOAD |
+ MIPTREE_LAYOUT_TILING_ANY;
+
mt = intel_miptree_create(brw, target, format, 0, 0,
- width, height, depth, true, num_samples,
- INTEL_MIPTREE_TILING_ANY);
+ width, height, depth, num_samples,
+ layout_flags);
if (!mt)
goto fail;
- if (brw_is_hiz_depth_format(brw, format)) {
+ if (intel_miptree_wants_hiz_buffer(brw, mt)) {
ok = intel_miptree_alloc_hiz(brw, mt);
if (!ok)
goto fail;
if (src) {
src->refcount++;
- DBG("%s %p refcount now %d\n", __FUNCTION__, src, src->refcount);
+ DBG("%s %p refcount now %d\n", __func__, src, src->refcount);
}
*dst = src;
if (!*mt)
return;
- DBG("%s %p refcount will be %d\n", __FUNCTION__, *mt, (*mt)->refcount - 1);
+ DBG("%s %p refcount will be %d\n", __func__, *mt, (*mt)->refcount - 1);
if (--(*mt)->refcount <= 0) {
GLuint i;
- DBG("%s deleting %p\n", __FUNCTION__, *mt);
+ DBG("%s deleting %p\n", __func__, *mt);
- intel_region_release(&((*mt)->region));
+ drm_intel_bo_unreference((*mt)->bo);
intel_miptree_release(&(*mt)->stencil_mt);
- intel_miptree_release(&(*mt)->hiz_mt);
+ if ((*mt)->hiz_buf) {
+ if ((*mt)->hiz_buf->mt)
+ intel_miptree_release(&(*mt)->hiz_buf->mt);
+ else
+ drm_intel_bo_unreference((*mt)->hiz_buf->bo);
+ free((*mt)->hiz_buf);
+ }
intel_miptree_release(&(*mt)->mcs_mt);
intel_resolve_map_clear(&(*mt)->hiz_map);
*mt = NULL;
}
+
void
-intel_miptree_get_dimensions_for_image(struct gl_texture_image *image,
- int *width, int *height, int *depth)
+intel_get_image_dims(struct gl_texture_image *image,
+ int *width, int *height, int *depth)
{
switch (image->TexObject->Target) {
case GL_TEXTURE_1D_ARRAY:
+ /* For a 1D Array texture the OpenGL API will treat the image height as
+ * the number of array slices. For Intel hardware, we treat the 1D array
+ * as a 2D Array with a height of 1. So, here we want to swap image
+ * height and depth.
+ */
*width = image->Width;
*height = 1;
*depth = image->Height;
if (image->TexFormat != mt_format)
return false;
- intel_miptree_get_dimensions_for_image(image, &width, &height, &depth);
+ intel_get_image_dims(image, &width, &height, &depth);
if (mt->target == GL_TEXTURE_CUBE_MAP)
depth = 6;
mt->level[level].level_x = x;
mt->level[level].level_y = y;
- DBG("%s level %d, depth %d, offset %d,%d\n", __FUNCTION__,
+ DBG("%s level %d, depth %d, offset %d,%d\n", __func__,
level, d, x, y);
assert(mt->level[level].slice == NULL);
mt->level[level].slice[img].y_offset = mt->level[level].level_y + y;
DBG("%s level %d img %d pos %d,%d\n",
- __FUNCTION__, level, img,
+ __func__, level, img,
mt->level[level].slice[img].x_offset,
mt->level[level].slice[img].y_offset);
}
*y = mt->level[level].slice[slice].y_offset;
}
+
+/**
+ * This function computes the tile_w (in bytes) and tile_h (in rows) of
+ * different tiling patterns. If the BO is untiled, tile_w is set to cpp
+ * and tile_h is set to 1.
+ */
+void
+intel_get_tile_dims(uint32_t tiling, uint32_t tr_mode, uint32_t cpp,
+ uint32_t *tile_w, uint32_t *tile_h)
+{
+ if (tr_mode == INTEL_MIPTREE_TRMODE_NONE) {
+ switch (tiling) {
+ case I915_TILING_X:
+ *tile_w = 512;
+ *tile_h = 8;
+ break;
+ case I915_TILING_Y:
+ *tile_w = 128;
+ *tile_h = 32;
+ break;
+ case I915_TILING_NONE:
+ *tile_w = cpp;
+ *tile_h = 1;
+ break;
+ default:
+ unreachable("not reached");
+ }
+ } else {
+ uint32_t aspect_ratio = 1;
+ assert(_mesa_is_pow_two(cpp));
+
+ switch (cpp) {
+ case 1:
+ *tile_h = 64;
+ break;
+ case 2:
+ case 4:
+ *tile_h = 32;
+ break;
+ case 8:
+ case 16:
+ *tile_h = 16;
+ break;
+ default:
+ unreachable("not reached");
+ }
+
+ if (cpp == 2 || cpp == 8)
+ aspect_ratio = 2;
+
+ if (tr_mode == INTEL_MIPTREE_TRMODE_YS)
+ *tile_h *= 4;
+
+ *tile_w = *tile_h * aspect_ratio * cpp;
+ }
+}
+
+
/**
* 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.
*/
void
-intel_miptree_get_tile_masks(const struct intel_mipmap_tree *mt,
- uint32_t *mask_x, uint32_t *mask_y,
- bool map_stencil_as_y_tiled)
+intel_get_tile_masks(uint32_t tiling, uint32_t tr_mode, uint32_t cpp,
+ bool map_stencil_as_y_tiled,
+ uint32_t *mask_x, uint32_t *mask_y)
{
- int cpp = mt->region->cpp;
- uint32_t tiling = mt->region->tiling;
-
+ uint32_t tile_w_bytes, tile_h;
if (map_stencil_as_y_tiled)
tiling = I915_TILING_Y;
- switch (tiling) {
- default:
- assert(false);
- case I915_TILING_NONE:
- *mask_x = *mask_y = 0;
- break;
- case I915_TILING_X:
- *mask_x = 512 / cpp - 1;
- *mask_y = 7;
- break;
- case I915_TILING_Y:
- *mask_x = 128 / cpp - 1;
- *mask_y = 31;
- break;
- }
+ intel_get_tile_dims(tiling, tr_mode, cpp, &tile_w_bytes, &tile_h);
+
+ *mask_x = tile_w_bytes / cpp - 1;
+ *mask_y = tile_h - 1;
}
/**
uint32_t x, uint32_t y,
bool map_stencil_as_y_tiled)
{
- int cpp = mt->region->cpp;
- uint32_t pitch = mt->region->pitch;
- uint32_t tiling = mt->region->tiling;
+ int cpp = mt->cpp;
+ uint32_t pitch = mt->pitch;
+ uint32_t tiling = mt->tiling;
if (map_stencil_as_y_tiled) {
tiling = I915_TILING_Y;
switch (tiling) {
default:
- assert(false);
+ unreachable("not reached");
case I915_TILING_NONE:
return y * pitch + x * cpp;
case I915_TILING_X:
uint32_t x, y;
uint32_t mask_x, mask_y;
- intel_miptree_get_tile_masks(mt, &mask_x, &mask_y, false);
+ intel_get_tile_masks(mt->tiling, mt->tr_mode, mt->cpp, false, &mask_x, &mask_y);
intel_miptree_get_image_offset(mt, level, slice, &x, &y);
*tile_x = x & mask_x;
int height)
{
void *src, *dst;
- int src_stride, dst_stride;
+ ptrdiff_t src_stride, dst_stride;
int cpp = dst_mt->cpp;
intel_miptree_map(brw, src_mt,
BRW_MAP_DIRECT_BIT,
&dst, &dst_stride);
- DBG("sw blit %s mt %p %p/%d -> %s mt %p %p/%d (%dx%d)\n",
+ DBG("sw blit %s mt %p %p/%"PRIdPTR" -> %s mt %p %p/%"PRIdPTR" (%dx%d)\n",
_mesa_get_format_name(src_mt->format),
src_mt, src, src_stride,
_mesa_get_format_name(dst_mt->format),
assert(src_mt->format == dst_mt->format);
if (dst_mt->compressed) {
- height = ALIGN(height, dst_mt->align_h) / dst_mt->align_h;
- width = ALIGN(width, dst_mt->align_w);
+ unsigned int i, j;
+ _mesa_get_format_block_size(dst_mt->format, &i, &j);
+ height = ALIGN_NPOT(height, j) / j;
+ width = ALIGN_NPOT(width, i) / i;
}
/* If it's a packed depth/stencil buffer with separate stencil, the blit
DBG("validate blit mt %s %p %d,%d/%d -> mt %s %p %d,%d/%d (%dx%d)\n",
_mesa_get_format_name(src_mt->format),
- src_mt, src_x, src_y, src_mt->region->pitch,
+ src_mt, src_x, src_y, src_mt->pitch,
_mesa_get_format_name(dst_mt->format),
- dst_mt, dst_x, dst_y, dst_mt->region->pitch,
+ dst_mt, dst_x, dst_y, dst_mt->pitch,
width, height);
if (!intel_miptree_blit(brw,
intel_texture_object(intelImage->base.Base.TexObject);
int level = intelImage->base.Base.Level;
int face = intelImage->base.Base.Face;
- GLuint depth = intelImage->base.Base.Depth;
+
+ GLuint depth;
+ if (intel_obj->base.Target == GL_TEXTURE_1D_ARRAY)
+ depth = intelImage->base.Base.Height;
+ else
+ depth = intelImage->base.Base.Depth;
if (!invalidate) {
for (int slice = 0; slice < depth; slice++) {
intel_obj->needs_validate = true;
}
-bool
+static bool
intel_miptree_alloc_mcs(struct brw_context *brw,
struct intel_mipmap_tree *mt,
GLuint num_samples)
{
assert(brw->gen >= 7); /* MCS only used on Gen7+ */
assert(mt->mcs_mt == NULL);
+ assert(!mt->disable_aux_buffers);
/* Choose the correct format for the MCS buffer. All that really matters
* is that we allocate the right buffer size, since we'll always be
*/
mesa_format format;
switch (num_samples) {
+ case 2:
case 4:
/* 8 bits/pixel are required for MCS data when using 4x MSAA (2 bits for
* each sample).
format = MESA_FORMAT_R_UINT32;
break;
default:
- assert(!"Unrecognized sample count in intel_miptree_alloc_mcs");
- return false;
+ unreachable("Unrecognized sample count in intel_miptree_alloc_mcs");
};
/* From the Ivy Bridge PRM, Vol4 Part1 p76, "MCS Base Address":
*
* "The MCS surface must be stored as Tile Y."
*/
+ const uint32_t mcs_flags = MIPTREE_LAYOUT_ACCELERATED_UPLOAD |
+ MIPTREE_LAYOUT_TILING_Y;
mt->mcs_mt = intel_miptree_create(brw,
mt->target,
format,
mt->logical_width0,
mt->logical_height0,
mt->logical_depth0,
- true,
0 /* num_samples */,
- INTEL_MIPTREE_TILING_Y);
+ mcs_flags);
/* From the Ivy Bridge PRM, Vol 2 Part 1 p326:
*
* Note: the clear value for MCS buffers is all 1's, so we memset to 0xff.
*/
void *data = intel_miptree_map_raw(brw, mt->mcs_mt);
- memset(data, 0xff, mt->mcs_mt->region->height * mt->mcs_mt->region->pitch);
- intel_miptree_unmap_raw(brw, mt->mcs_mt);
+ memset(data, 0xff, mt->mcs_mt->total_height * mt->mcs_mt->pitch);
+ intel_miptree_unmap_raw(mt->mcs_mt);
mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_CLEAR;
return mt->mcs_mt;
struct intel_mipmap_tree *mt)
{
assert(mt->mcs_mt == NULL);
+ assert(!mt->disable_aux_buffers);
/* The format of the MCS buffer is opaque to the driver; all that matters
* is that we get its size and pitch right. We'll pretend that the format
const mesa_format format = MESA_FORMAT_R_UINT32;
unsigned block_width_px;
unsigned block_height;
- intel_get_non_msrt_mcs_alignment(brw, mt, &block_width_px, &block_height);
+ intel_get_non_msrt_mcs_alignment(mt, &block_width_px, &block_height);
unsigned width_divisor = block_width_px * 4;
unsigned height_divisor = block_height * 8;
unsigned mcs_width =
unsigned mcs_height =
ALIGN(mt->logical_height0, height_divisor) / height_divisor;
assert(mt->logical_depth0 == 1);
+ uint32_t layout_flags = MIPTREE_LAYOUT_ACCELERATED_UPLOAD |
+ MIPTREE_LAYOUT_TILING_Y;
+ if (brw->gen >= 8) {
+ layout_flags |= MIPTREE_LAYOUT_FORCE_HALIGN16;
+ }
mt->mcs_mt = intel_miptree_create(brw,
mt->target,
format,
mcs_width,
mcs_height,
mt->logical_depth0,
- true,
0 /* num_samples */,
- INTEL_MIPTREE_TILING_Y);
+ layout_flags);
return mt->mcs_mt;
}
/**
* Helper for intel_miptree_alloc_hiz() that sets
- * \c mt->level[level].slice[layer].has_hiz. Return true if and only if
+ * \c mt->level[level].has_hiz. Return true if and only if
* \c has_hiz was set.
*/
static bool
-intel_miptree_slice_enable_hiz(struct brw_context *brw,
+intel_miptree_level_enable_hiz(struct brw_context *brw,
struct intel_mipmap_tree *mt,
- uint32_t level,
- uint32_t layer)
+ uint32_t level)
{
- assert(mt->hiz_mt);
+ assert(mt->hiz_buf);
if (brw->gen >= 8 || brw->is_haswell) {
uint32_t width = minify(mt->physical_width0, level);
* force the proper size alignments.
*/
if (level > 0 && ((width & 7) || (height & 3))) {
+ DBG("mt %p level %d: HiZ DISABLED\n", mt, level);
return false;
}
}
- mt->level[level].slice[layer].has_hiz = true;
+ DBG("mt %p level %d: HiZ enabled\n", mt, level);
+ mt->level[level].has_hiz = true;
return true;
}
+/**
+ * Helper for intel_miptree_alloc_hiz() that determines the required hiz
+ * buffer dimensions and allocates a bo for the hiz buffer.
+ */
+static struct intel_miptree_aux_buffer *
+intel_gen7_hiz_buf_create(struct brw_context *brw,
+ struct intel_mipmap_tree *mt)
+{
+ unsigned z_width = mt->logical_width0;
+ unsigned z_height = mt->logical_height0;
+ const unsigned z_depth = MAX2(mt->logical_depth0, 1);
+ unsigned hz_width, hz_height;
+ struct intel_miptree_aux_buffer *buf = calloc(sizeof(*buf), 1);
+
+ if (!buf)
+ return NULL;
+
+ /* Gen7 PRM Volume 2, Part 1, 11.5.3 "Hierarchical Depth Buffer" documents
+ * adjustments required for Z_Height and Z_Width based on multisampling.
+ */
+ switch (mt->num_samples) {
+ case 0:
+ case 1:
+ break;
+ case 2:
+ case 4:
+ z_width *= 2;
+ z_height *= 2;
+ break;
+ case 8:
+ z_width *= 4;
+ z_height *= 2;
+ break;
+ default:
+ unreachable("unsupported sample count");
+ }
+
+ const unsigned vertical_align = 8; /* 'j' in the docs */
+ const unsigned H0 = z_height;
+ const unsigned h0 = ALIGN(H0, vertical_align);
+ const unsigned h1 = ALIGN(minify(H0, 1), vertical_align);
+ const unsigned Z0 = z_depth;
+
+ /* HZ_Width (bytes) = ceiling(Z_Width / 16) * 16 */
+ hz_width = ALIGN(z_width, 16);
+
+ if (mt->target == GL_TEXTURE_3D) {
+ unsigned H_i = H0;
+ unsigned Z_i = Z0;
+ hz_height = 0;
+ for (unsigned level = mt->first_level; level <= mt->last_level; ++level) {
+ unsigned h_i = ALIGN(H_i, vertical_align);
+ /* sum(i=0 to m; h_i * max(1, floor(Z_Depth/2**i))) */
+ hz_height += h_i * Z_i;
+ H_i = minify(H_i, 1);
+ Z_i = minify(Z_i, 1);
+ }
+ /* HZ_Height =
+ * (1/2) * sum(i=0 to m; h_i * max(1, floor(Z_Depth/2**i)))
+ */
+ hz_height = DIV_ROUND_UP(hz_height, 2);
+ } else {
+ const unsigned hz_qpitch = h0 + h1 + (12 * vertical_align);
+ if (mt->target == GL_TEXTURE_CUBE_MAP_ARRAY ||
+ mt->target == GL_TEXTURE_CUBE_MAP) {
+ /* HZ_Height (rows) = Ceiling ( ( Q_pitch * Z_depth * 6/2) /8 ) * 8 */
+ hz_height = DIV_ROUND_UP(hz_qpitch * Z0 * 6, 2 * 8) * 8;
+ } else {
+ /* HZ_Height (rows) = Ceiling ( ( Q_pitch * Z_depth/2) /8 ) * 8 */
+ hz_height = DIV_ROUND_UP(hz_qpitch * Z0, 2 * 8) * 8;
+ }
+ }
+
+ unsigned long pitch;
+ uint32_t tiling = I915_TILING_Y;
+ buf->bo = drm_intel_bo_alloc_tiled(brw->bufmgr, "hiz",
+ hz_width, hz_height, 1,
+ &tiling, &pitch,
+ BO_ALLOC_FOR_RENDER);
+ if (!buf->bo) {
+ free(buf);
+ return NULL;
+ } else if (tiling != I915_TILING_Y) {
+ drm_intel_bo_unreference(buf->bo);
+ free(buf);
+ return NULL;
+ }
+
+ buf->pitch = pitch;
+
+ return buf;
+}
+
+
+/**
+ * Helper for intel_miptree_alloc_hiz() that determines the required hiz
+ * buffer dimensions and allocates a bo for the hiz buffer.
+ */
+static struct intel_miptree_aux_buffer *
+intel_gen8_hiz_buf_create(struct brw_context *brw,
+ struct intel_mipmap_tree *mt)
+{
+ unsigned z_width = mt->logical_width0;
+ unsigned z_height = mt->logical_height0;
+ const unsigned z_depth = MAX2(mt->logical_depth0, 1);
+ unsigned hz_width, hz_height;
+ struct intel_miptree_aux_buffer *buf = calloc(sizeof(*buf), 1);
+
+ if (!buf)
+ return NULL;
+
+ /* Gen7 PRM Volume 2, Part 1, 11.5.3 "Hierarchical Depth Buffer" documents
+ * adjustments required for Z_Height and Z_Width based on multisampling.
+ */
+ if (brw->gen < 9) {
+ switch (mt->num_samples) {
+ case 0:
+ case 1:
+ break;
+ case 2:
+ case 4:
+ z_width *= 2;
+ z_height *= 2;
+ break;
+ case 8:
+ z_width *= 4;
+ z_height *= 2;
+ break;
+ default:
+ unreachable("unsupported sample count");
+ }
+ }
+
+ const unsigned vertical_align = 8; /* 'j' in the docs */
+ const unsigned H0 = z_height;
+ const unsigned h0 = ALIGN(H0, vertical_align);
+ const unsigned h1 = ALIGN(minify(H0, 1), vertical_align);
+ const unsigned Z0 = z_depth;
+
+ /* HZ_Width (bytes) = ceiling(Z_Width / 16) * 16 */
+ hz_width = ALIGN(z_width, 16);
+
+ unsigned H_i = H0;
+ unsigned Z_i = Z0;
+ unsigned sum_h_i = 0;
+ unsigned hz_height_3d_sum = 0;
+ for (unsigned level = mt->first_level; level <= mt->last_level; ++level) {
+ unsigned i = level - mt->first_level;
+ unsigned h_i = ALIGN(H_i, vertical_align);
+ /* sum(i=2 to m; h_i) */
+ if (i >= 2) {
+ sum_h_i += h_i;
+ }
+ /* sum(i=0 to m; h_i * max(1, floor(Z_Depth/2**i))) */
+ hz_height_3d_sum += h_i * Z_i;
+ H_i = minify(H_i, 1);
+ Z_i = minify(Z_i, 1);
+ }
+ /* HZ_QPitch = h0 + max(h1, sum(i=2 to m; h_i)) */
+ buf->qpitch = h0 + MAX2(h1, sum_h_i);
+
+ if (mt->target == GL_TEXTURE_3D) {
+ /* (1/2) * sum(i=0 to m; h_i * max(1, floor(Z_Depth/2**i))) */
+ hz_height = DIV_ROUND_UP(hz_height_3d_sum, 2);
+ } else {
+ /* HZ_Height (rows) = ceiling( (HZ_QPitch/2)/8) *8 * Z_Depth */
+ hz_height = DIV_ROUND_UP(buf->qpitch, 2 * 8) * 8 * Z0;
+ if (mt->target == GL_TEXTURE_CUBE_MAP_ARRAY ||
+ mt->target == GL_TEXTURE_CUBE_MAP) {
+ /* HZ_Height (rows) = ceiling( (HZ_QPitch/2)/8) *8 * 6 * Z_Depth
+ *
+ * We can can just take our hz_height calculation from above, and
+ * multiply by 6 for the cube map and cube map array types.
+ */
+ hz_height *= 6;
+ }
+ }
+
+ unsigned long pitch;
+ uint32_t tiling = I915_TILING_Y;
+ buf->bo = drm_intel_bo_alloc_tiled(brw->bufmgr, "hiz",
+ hz_width, hz_height, 1,
+ &tiling, &pitch,
+ BO_ALLOC_FOR_RENDER);
+ if (!buf->bo) {
+ free(buf);
+ return NULL;
+ } else if (tiling != I915_TILING_Y) {
+ drm_intel_bo_unreference(buf->bo);
+ free(buf);
+ return NULL;
+ }
+
+ buf->pitch = pitch;
+
+ return buf;
+}
+
+
+static struct intel_miptree_aux_buffer *
+intel_hiz_miptree_buf_create(struct brw_context *brw,
+ struct intel_mipmap_tree *mt)
+{
+ struct intel_miptree_aux_buffer *buf = calloc(sizeof(*buf), 1);
+ uint32_t layout_flags = MIPTREE_LAYOUT_ACCELERATED_UPLOAD;
+
+ if (brw->gen == 6)
+ layout_flags |= MIPTREE_LAYOUT_FORCE_ALL_SLICE_AT_LOD;
+
+ if (!buf)
+ return NULL;
+
+ layout_flags |= MIPTREE_LAYOUT_TILING_ANY;
+ buf->mt = intel_miptree_create(brw,
+ mt->target,
+ mt->format,
+ mt->first_level,
+ mt->last_level,
+ mt->logical_width0,
+ mt->logical_height0,
+ mt->logical_depth0,
+ mt->num_samples,
+ layout_flags);
+ if (!buf->mt) {
+ free(buf);
+ return NULL;
+ }
+
+ buf->bo = buf->mt->bo;
+ buf->pitch = buf->mt->pitch;
+ buf->qpitch = buf->mt->qpitch;
+
+ return buf;
+}
+
+bool
+intel_miptree_wants_hiz_buffer(struct brw_context *brw,
+ struct intel_mipmap_tree *mt)
+{
+ if (!brw->has_hiz)
+ return false;
+
+ if (mt->hiz_buf != NULL)
+ return false;
+
+ if (mt->disable_aux_buffers)
+ return false;
+
+ switch (mt->format) {
+ case MESA_FORMAT_Z_FLOAT32:
+ case MESA_FORMAT_Z32_FLOAT_S8X24_UINT:
+ case MESA_FORMAT_Z24_UNORM_X8_UINT:
+ case MESA_FORMAT_Z24_UNORM_S8_UINT:
+ case MESA_FORMAT_Z_UNORM16:
+ return true;
+ default:
+ return false;
+ }
+}
bool
intel_miptree_alloc_hiz(struct brw_context *brw,
struct intel_mipmap_tree *mt)
{
- assert(mt->hiz_mt == NULL);
- mt->hiz_mt = intel_miptree_create(brw,
- mt->target,
- mt->format,
- mt->first_level,
- mt->last_level,
- mt->logical_width0,
- mt->logical_height0,
- mt->logical_depth0,
- true,
- mt->num_samples,
- INTEL_MIPTREE_TILING_ANY);
+ assert(mt->hiz_buf == NULL);
+ assert(!mt->disable_aux_buffers);
+
+ if (brw->gen == 7) {
+ mt->hiz_buf = intel_gen7_hiz_buf_create(brw, mt);
+ } else if (brw->gen >= 8) {
+ mt->hiz_buf = intel_gen8_hiz_buf_create(brw, mt);
+ } else {
+ mt->hiz_buf = intel_hiz_miptree_buf_create(brw, mt);
+ }
- if (!mt->hiz_mt)
+ if (!mt->hiz_buf)
return false;
/* Mark that all slices need a HiZ resolve. */
- struct intel_resolve_map *head = &mt->hiz_map;
- for (int level = mt->first_level; level <= mt->last_level; ++level) {
- for (int layer = 0; layer < mt->level[level].depth; ++layer) {
- if (!intel_miptree_slice_enable_hiz(brw, mt, level, layer))
- continue;
-
- head->next = malloc(sizeof(*head->next));
- head->next->prev = head;
- head->next->next = NULL;
- head = head->next;
-
- head->level = level;
- head->layer = layer;
- head->need = GEN6_HIZ_OP_HIZ_RESOLVE;
+ for (unsigned level = mt->first_level; level <= mt->last_level; ++level) {
+ if (!intel_miptree_level_enable_hiz(brw, mt, level))
+ continue;
+
+ for (unsigned layer = 0; layer < mt->level[level].depth; ++layer) {
+ struct intel_resolve_map *m = malloc(sizeof(struct intel_resolve_map));
+ exec_node_init(&m->link);
+ m->level = level;
+ m->layer = layer;
+ m->need = GEN6_HIZ_OP_HIZ_RESOLVE;
+
+ exec_list_push_tail(&mt->hiz_map, &m->link);
}
}
* Does the miptree slice have hiz enabled?
*/
bool
-intel_miptree_slice_has_hiz(struct intel_mipmap_tree *mt,
- uint32_t level,
- uint32_t layer)
+intel_miptree_level_has_hiz(struct intel_mipmap_tree *mt, uint32_t level)
{
- intel_miptree_check_level_layer(mt, level, layer);
- return mt->level[level].slice[layer].has_hiz;
+ intel_miptree_check_level_layer(mt, level, 0);
+ return mt->level[level].has_hiz;
}
void
uint32_t level,
uint32_t layer)
{
- if (!intel_miptree_slice_has_hiz(mt, level, layer))
+ if (!intel_miptree_level_has_hiz(mt, level))
return;
intel_resolve_map_set(&mt->hiz_map,
uint32_t level,
uint32_t layer)
{
- if (!intel_miptree_slice_has_hiz(mt, level, layer))
+ if (!intel_miptree_level_has_hiz(mt, level))
return;
intel_resolve_map_set(&mt->hiz_map,
enum gen6_hiz_op need)
{
bool did_resolve = false;
- struct intel_resolve_map *i, *next;
- for (i = mt->hiz_map.next; i; i = next) {
- next = i->next;
- if (i->need != need)
+ foreach_list_typed_safe(struct intel_resolve_map, map, link, &mt->hiz_map) {
+ if (map->need != need)
continue;
- intel_hiz_exec(brw, mt, i->level, i->layer, need);
- intel_resolve_map_remove(i);
+ intel_hiz_exec(brw, mt, map->level, map->layer, need);
+ intel_resolve_map_remove(map);
did_resolve = true;
}
case INTEL_FAST_CLEAR_STATE_CLEAR:
/* Fast color clear resolves only make sense for non-MSAA buffers. */
if (mt->msaa_layout == INTEL_MSAA_LAYOUT_NONE)
- brw_blorp_resolve_color(brw, mt);
+ brw_meta_resolve_color(brw, mt);
break;
}
}
/**
- * Make it possible to share the region backing the given miptree with another
+ * Make it possible to share the BO backing the given miptree with another
* process or another miptree.
*
* Fast color clears are unsafe with shared buffers, so we need to resolve and
struct intel_mipmap_tree *src,
struct intel_mipmap_tree *dst)
{
- if (brw->gen < 8 || src->format == MESA_FORMAT_S_UINT8) {
+ if (brw->gen < 8) {
brw_blorp_blit_miptrees(brw,
- src, 0 /* level */, 0 /* layer */,
- dst, 0 /* level */, 0 /* layer */,
+ src, 0 /* level */, 0 /* layer */, src->format,
+ dst, 0 /* level */, 0 /* layer */, dst->format,
0, 0,
src->logical_width0, src->logical_height0,
0, 0,
dst->logical_width0, dst->logical_height0,
GL_NEAREST, false, false /*mirror x, y*/);
+ } else if (src->format == MESA_FORMAT_S_UINT8) {
+ brw_meta_stencil_updownsample(brw, src, dst);
} else {
brw_meta_updownsample(brw, src, dst);
}
if (src->stencil_mt) {
+ if (brw->gen >= 8) {
+ brw_meta_stencil_updownsample(brw, src->stencil_mt, dst);
+ return;
+ }
+
brw_blorp_blit_miptrees(brw,
src->stencil_mt, 0 /* level */, 0 /* layer */,
+ src->stencil_mt->format,
dst->stencil_mt, 0 /* level */, 0 /* layer */,
+ dst->stencil_mt->format,
0, 0,
src->logical_width0, src->logical_height0,
0, 0,
*/
intel_miptree_resolve_color(brw, mt);
- drm_intel_bo *bo = mt->region->bo;
+ drm_intel_bo *bo = mt->bo;
if (drm_intel_bo_references(brw->batch.bo, bo))
intel_batchbuffer_flush(brw);
- if (mt->region->tiling != I915_TILING_NONE)
+ if (mt->tiling != I915_TILING_NONE)
brw_bo_map_gtt(brw, bo, "miptree");
else
brw_bo_map(brw, bo, true, "miptree");
}
void
-intel_miptree_unmap_raw(struct brw_context *brw,
- struct intel_mipmap_tree *mt)
+intel_miptree_unmap_raw(struct intel_mipmap_tree *mt)
{
- drm_intel_bo_unmap(mt->region->bo);
+ drm_intel_bo_unmap(mt->bo);
}
static void
unsigned int bw, bh;
void *base;
unsigned int image_x, image_y;
- int x = map->x;
- int y = map->y;
+ intptr_t x = map->x;
+ intptr_t y = map->y;
/* For compressed formats, the stride is the number of bytes per
* row of blocks. intel_miptree_get_image_offset() already does
*/
_mesa_get_format_block_size(mt->format, &bw, &bh);
assert(y % bh == 0);
+ assert(x % bw == 0);
y /= bh;
+ x /= bw;
base = intel_miptree_map_raw(brw, mt) + mt->offset;
x += image_x;
y += image_y;
- map->stride = mt->region->pitch;
+ map->stride = mt->pitch;
map->ptr = base + y * map->stride + x * mt->cpp;
}
- DBG("%s: %d,%d %dx%d from mt %p (%s) %d,%d = %p/%d\n", __FUNCTION__,
+ DBG("%s: %d,%d %dx%d from mt %p (%s) "
+ "%"PRIiPTR",%"PRIiPTR" = %p/%d\n", __func__,
map->x, map->y, map->w, map->h,
mt, _mesa_get_format_name(mt->format),
x, y, map->ptr, map->stride);
}
static void
-intel_miptree_unmap_gtt(struct brw_context *brw,
- struct intel_mipmap_tree *mt,
- struct intel_miptree_map *map,
- unsigned int level,
- unsigned int slice)
+intel_miptree_unmap_gtt(struct intel_mipmap_tree *mt)
{
- intel_miptree_unmap_raw(brw, mt);
+ intel_miptree_unmap_raw(mt);
}
static void
struct intel_miptree_map *map,
unsigned int level, unsigned int slice)
{
- map->mt = intel_miptree_create(brw, GL_TEXTURE_2D, mt->format,
- 0, 0,
- map->w, map->h, 1,
- false, 0,
- INTEL_MIPTREE_TILING_NONE);
- if (!map->mt) {
+ map->linear_mt = intel_miptree_create(brw, GL_TEXTURE_2D, mt->format,
+ /* first_level */ 0,
+ /* last_level */ 0,
+ map->w, map->h, 1,
+ /* samples */ 0,
+ MIPTREE_LAYOUT_TILING_NONE);
+
+ if (!map->linear_mt) {
fprintf(stderr, "Failed to allocate blit temporary\n");
goto fail;
}
- map->stride = map->mt->region->pitch;
+ map->stride = map->linear_mt->pitch;
- if (!intel_miptree_blit(brw,
- mt, level, slice,
- map->x, map->y, false,
- map->mt, 0, 0,
- 0, 0, false,
- map->w, map->h, GL_COPY)) {
- fprintf(stderr, "Failed to blit\n");
- goto fail;
+ /* 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
+ * temporary buffer back out.
+ */
+ if (!(map->mode & GL_MAP_INVALIDATE_RANGE_BIT)) {
+ if (!intel_miptree_blit(brw,
+ mt, level, slice,
+ map->x, map->y, false,
+ map->linear_mt, 0, 0,
+ 0, 0, false,
+ map->w, map->h, GL_COPY)) {
+ fprintf(stderr, "Failed to blit\n");
+ goto fail;
+ }
}
- map->ptr = intel_miptree_map_raw(brw, map->mt);
+ map->ptr = intel_miptree_map_raw(brw, map->linear_mt);
- DBG("%s: %d,%d %dx%d from mt %p (%s) %d,%d = %p/%d\n", __FUNCTION__,
+ DBG("%s: %d,%d %dx%d from mt %p (%s) %d,%d = %p/%d\n", __func__,
map->x, map->y, map->w, map->h,
mt, _mesa_get_format_name(mt->format),
level, slice, map->ptr, map->stride);
return;
fail:
- intel_miptree_release(&map->mt);
+ intel_miptree_release(&map->linear_mt);
map->ptr = NULL;
map->stride = 0;
}
{
struct gl_context *ctx = &brw->ctx;
- intel_miptree_unmap_raw(brw, map->mt);
+ intel_miptree_unmap_raw(map->linear_mt);
if (map->mode & GL_MAP_WRITE_BIT) {
bool ok = intel_miptree_blit(brw,
- map->mt, 0, 0,
+ map->linear_mt, 0, 0,
0, 0, false,
mt, level, slice,
map->x, map->y, false,
WARN_ONCE(!ok, "Failed to blit from linear temporary mapping");
}
- intel_miptree_release(&map->mt);
+ intel_miptree_release(&map->linear_mt);
}
-#ifdef __SSE4_1__
/**
* "Map" a buffer by copying it to an untiled temporary using MOVNTDQA.
*/
+#if defined(USE_SSE41)
static void
intel_miptree_map_movntdqa(struct brw_context *brw,
struct intel_mipmap_tree *mt,
assert(map->mode & GL_MAP_READ_BIT);
assert(!(map->mode & GL_MAP_WRITE_BIT));
- DBG("%s: %d,%d %dx%d from mt %p (%s) %d,%d = %p/%d\n", __FUNCTION__,
+ DBG("%s: %d,%d %dx%d from mt %p (%s) %d,%d = %p/%d\n", __func__,
map->x, map->y, map->w, map->h,
mt, _mesa_get_format_name(mt->format),
level, slice, map->ptr, map->stride);
void *src = intel_miptree_map_raw(brw, mt);
if (!src)
return;
- src += image_y * mt->region->pitch;
- src += image_x * mt->region->cpp;
+ src += image_y * mt->pitch;
+ src += image_x * mt->cpp;
/* Due to the pixel offsets for the particular image being mapped, our
* src pointer may not be 16-byte aligned. However, if the pitch is
* divisible by 16, then the amount by which it's misaligned will remain
* consistent from row to row.
*/
- assert((mt->region->pitch % 16) == 0);
+ assert((mt->pitch % 16) == 0);
const int misalignment = ((uintptr_t) src) & 15;
/* Create an untiled temporary buffer for the mapping. */
map->stride = ALIGN(misalignment + width_bytes, 16);
- map->buffer = malloc(map->stride * map->h);
+ map->buffer = _mesa_align_malloc(map->stride * map->h, 16);
/* Offset the destination so it has the same misalignment as src. */
map->ptr = map->buffer + misalignment;
for (uint32_t y = 0; y < map->h; y++) {
void *dst_ptr = map->ptr + y * map->stride;
- void *src_ptr = src + y * mt->region->pitch;
+ void *src_ptr = src + y * mt->pitch;
_mesa_streaming_load_memcpy(dst_ptr, src_ptr, width_bytes);
}
- intel_miptree_unmap_raw(brw, mt);
+ intel_miptree_unmap_raw(mt);
}
static void
unsigned int level,
unsigned int slice)
{
- free(map->buffer);
+ _mesa_align_free(map->buffer);
map->buffer = NULL;
map->ptr = NULL;
}
for (uint32_t y = 0; y < map->h; y++) {
for (uint32_t x = 0; x < map->w; x++) {
- ptrdiff_t offset = intel_offset_S8(mt->region->pitch,
+ ptrdiff_t offset = intel_offset_S8(mt->pitch,
x + image_x + map->x,
y + image_y + map->y,
brw->has_swizzling);
}
}
- intel_miptree_unmap_raw(brw, mt);
+ intel_miptree_unmap_raw(mt);
- DBG("%s: %d,%d %dx%d from mt %p %d,%d = %p/%d\n", __FUNCTION__,
+ DBG("%s: %d,%d %dx%d from mt %p %d,%d = %p/%d\n", __func__,
map->x, map->y, map->w, map->h,
mt, map->x + image_x, map->y + image_y, map->ptr, map->stride);
} else {
- DBG("%s: %d,%d %dx%d from mt %p = %p/%d\n", __FUNCTION__,
+ DBG("%s: %d,%d %dx%d from mt %p = %p/%d\n", __func__,
map->x, map->y, map->w, map->h,
mt, map->ptr, map->stride);
}
for (uint32_t y = 0; y < map->h; y++) {
for (uint32_t x = 0; x < map->w; x++) {
- ptrdiff_t offset = intel_offset_S8(mt->region->pitch,
+ ptrdiff_t offset = intel_offset_S8(mt->pitch,
x + map->x,
y + map->y,
brw->has_swizzling);
}
}
- intel_miptree_unmap_raw(brw, mt);
+ intel_miptree_unmap_raw(mt);
}
free(map->buffer);
image_y += map->y;
uint8_t *dst = intel_miptree_map_raw(brw, mt)
- + image_y * mt->region->pitch
- + image_x * mt->region->cpp;
+ + image_y * mt->pitch
+ + image_x * mt->cpp;
if (mt->etc_format == MESA_FORMAT_ETC1_RGB8)
- _mesa_etc1_unpack_rgba8888(dst, mt->region->pitch,
+ _mesa_etc1_unpack_rgba8888(dst, mt->pitch,
map->ptr, map->stride,
map->w, map->h);
else
- _mesa_unpack_etc2_format(dst, mt->region->pitch,
+ _mesa_unpack_etc2_format(dst, mt->pitch,
map->ptr, map->stride,
map->w, map->h, mt->etc_format);
- intel_miptree_unmap_raw(brw, mt);
+ intel_miptree_unmap_raw(mt);
free(map->buffer);
}
for (uint32_t y = 0; y < map->h; y++) {
for (uint32_t x = 0; x < map->w; x++) {
int map_x = map->x + x, map_y = map->y + y;
- ptrdiff_t s_offset = intel_offset_S8(s_mt->region->pitch,
+ ptrdiff_t s_offset = intel_offset_S8(s_mt->pitch,
map_x + s_image_x,
map_y + s_image_y,
brw->has_swizzling);
ptrdiff_t z_offset = ((map_y + z_image_y) *
- (z_mt->region->pitch / 4) +
+ (z_mt->pitch / 4) +
(map_x + z_image_x));
uint8_t s = s_map[s_offset];
uint32_t z = z_map[z_offset];
}
}
- intel_miptree_unmap_raw(brw, s_mt);
- intel_miptree_unmap_raw(brw, z_mt);
+ intel_miptree_unmap_raw(s_mt);
+ intel_miptree_unmap_raw(z_mt);
DBG("%s: %d,%d %dx%d from z mt %p %d,%d, s mt %p %d,%d = %p/%d\n",
- __FUNCTION__,
+ __func__,
map->x, map->y, map->w, map->h,
z_mt, map->x + z_image_x, map->y + z_image_y,
s_mt, map->x + s_image_x, map->y + s_image_y,
map->ptr, map->stride);
} else {
- DBG("%s: %d,%d %dx%d from mt %p = %p/%d\n", __FUNCTION__,
+ DBG("%s: %d,%d %dx%d from mt %p = %p/%d\n", __func__,
map->x, map->y, map->w, map->h,
mt, map->ptr, map->stride);
}
for (uint32_t y = 0; y < map->h; y++) {
for (uint32_t x = 0; x < map->w; x++) {
- ptrdiff_t s_offset = intel_offset_S8(s_mt->region->pitch,
+ ptrdiff_t s_offset = intel_offset_S8(s_mt->pitch,
x + s_image_x + map->x,
y + s_image_y + map->y,
brw->has_swizzling);
- ptrdiff_t z_offset = ((y + z_image_y) *
- (z_mt->region->pitch / 4) +
- (x + z_image_x));
+ ptrdiff_t z_offset = ((y + z_image_y + map->y) *
+ (z_mt->pitch / 4) +
+ (x + z_image_x + map->x));
if (map_z32f_x24s8) {
z_map[z_offset] = packed_map[(y * map->w + x) * 2 + 0];
}
}
- intel_miptree_unmap_raw(brw, s_mt);
- intel_miptree_unmap_raw(brw, z_mt);
+ intel_miptree_unmap_raw(s_mt);
+ intel_miptree_unmap_raw(z_mt);
DBG("%s: %d,%d %dx%d from z mt %p (%s) %d,%d, s mt %p %d,%d = %p/%d\n",
- __FUNCTION__,
+ __func__,
map->x, map->y, map->w, map->h,
z_mt, _mesa_get_format_name(z_mt->format),
map->x + z_image_x, map->y + z_image_y,
if (image_x >= 32768 || image_y >= 32768)
return false;
- if (mt->region->pitch >= 32768)
+ /* See intel_miptree_blit() for details on the 32k pitch limit. */
+ if (mt->pitch >= 32768)
return false;
return true;
}
+static bool
+use_intel_mipree_map_blit(struct brw_context *brw,
+ struct intel_mipmap_tree *mt,
+ GLbitfield mode,
+ unsigned int level,
+ unsigned int slice)
+{
+ if (brw->has_llc &&
+ /* It's probably not worth swapping to the blit ring because of
+ * all the overhead involved.
+ */
+ !(mode & GL_MAP_WRITE_BIT) &&
+ !mt->compressed &&
+ (mt->tiling == I915_TILING_X ||
+ /* Prior to Sandybridge, the blitter can't handle Y tiling */
+ (brw->gen >= 6 && mt->tiling == I915_TILING_Y)) &&
+ can_blit_slice(mt, level, slice))
+ return true;
+
+ if (mt->tiling != I915_TILING_NONE &&
+ mt->bo->size >= brw->max_gtt_map_object_size) {
+ assert(can_blit_slice(mt, level, slice));
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * Parameter \a out_stride has type ptrdiff_t not because the buffer stride may
+ * exceed 32 bits but to diminish the likelihood subtle bugs in pointer
+ * arithmetic overflow.
+ *
+ * If you call this function and use \a out_stride, then you're doing pointer
+ * arithmetic on \a out_ptr. The type of \a out_stride doesn't prevent all
+ * bugs. The caller must still take care to avoid 32-bit overflow errors in
+ * all arithmetic expressions that contain buffer offsets and pixel sizes,
+ * which usually have type uint32_t or GLuint.
+ */
void
intel_miptree_map(struct brw_context *brw,
struct intel_mipmap_tree *mt,
unsigned int h,
GLbitfield mode,
void **out_ptr,
- int *out_stride)
+ ptrdiff_t *out_stride)
{
struct intel_miptree_map *map;
intel_miptree_map_etc(brw, mt, map, level, slice);
} else if (mt->stencil_mt && !(mode & BRW_MAP_DIRECT_BIT)) {
intel_miptree_map_depthstencil(brw, mt, map, level, slice);
- }
- /* See intel_miptree_blit() for details on the 32k pitch limit. */
- else if (brw->has_llc &&
- !(mode & GL_MAP_WRITE_BIT) &&
- !mt->compressed &&
- (mt->region->tiling == I915_TILING_X ||
- (brw->gen >= 6 && mt->region->tiling == I915_TILING_Y)) &&
- can_blit_slice(mt, level, slice)) {
- intel_miptree_map_blit(brw, mt, map, level, slice);
- } else if (mt->region->tiling != I915_TILING_NONE &&
- mt->region->bo->size >= brw->max_gtt_map_object_size) {
- assert(can_blit_slice(mt, level, slice));
+ } else if (use_intel_mipree_map_blit(brw, mt, mode, level, slice)) {
intel_miptree_map_blit(brw, mt, map, level, slice);
-#ifdef __SSE4_1__
- } else if (!(mode & GL_MAP_WRITE_BIT) && !mt->compressed) {
+#if defined(USE_SSE41)
+ } else if (!(mode & GL_MAP_WRITE_BIT) &&
+ !mt->compressed && cpu_has_sse4_1 &&
+ (mt->pitch % 16 == 0)) {
intel_miptree_map_movntdqa(brw, mt, map, level, slice);
#endif
} else {
if (!map)
return;
- DBG("%s: mt %p (%s) level %d slice %d\n", __FUNCTION__,
+ DBG("%s: mt %p (%s) level %d slice %d\n", __func__,
mt, _mesa_get_format_name(mt->format), level, slice);
if (mt->format == MESA_FORMAT_S_UINT8) {
intel_miptree_unmap_etc(brw, mt, map, level, slice);
} else if (mt->stencil_mt && !(map->mode & BRW_MAP_DIRECT_BIT)) {
intel_miptree_unmap_depthstencil(brw, mt, map, level, slice);
- } else if (map->mt) {
+ } else if (map->linear_mt) {
intel_miptree_unmap_blit(brw, mt, map, level, slice);
-#ifdef __SSE4_1__
- } else if (map->buffer) {
+#if defined(USE_SSE41)
+ } else if (map->buffer && cpu_has_sse4_1) {
intel_miptree_unmap_movntdqa(brw, mt, map, level, slice);
#endif
} else {
- intel_miptree_unmap_gtt(brw, mt, map, level, slice);
+ intel_miptree_unmap_gtt(mt);
}
intel_miptree_release_map(mt, level, slice);
projects / mesa.git / blobdiff