};
#endif
+#if GEN_GEN >= 7
static const uint32_t isl_to_gen_multisample_layout[] = {
[ISL_MSAA_LAYOUT_NONE] = MSFMT_MSS,
[ISL_MSAA_LAYOUT_INTERLEAVED] = MSFMT_DEPTH_STENCIL,
[ISL_MSAA_LAYOUT_ARRAY] = MSFMT_MSS,
};
+#endif
+
+#if GEN_GEN >= 9
+static const uint32_t isl_to_gen_aux_mode[] = {
+ [ISL_AUX_USAGE_NONE] = AUX_NONE,
+ [ISL_AUX_USAGE_HIZ] = AUX_HIZ,
+ [ISL_AUX_USAGE_MCS] = AUX_CCS_D,
+ [ISL_AUX_USAGE_CCS_D] = AUX_CCS_D,
+ [ISL_AUX_USAGE_CCS_E] = AUX_CCS_E,
+};
+#elif GEN_GEN >= 8
+static const uint32_t isl_to_gen_aux_mode[] = {
+ [ISL_AUX_USAGE_NONE] = AUX_NONE,
+ [ISL_AUX_USAGE_HIZ] = AUX_HIZ,
+ [ISL_AUX_USAGE_MCS] = AUX_MCS,
+ [ISL_AUX_USAGE_CCS_D] = AUX_MCS,
+};
+#endif
static uint8_t
get_surftype(enum isl_surf_dim dim, isl_surf_usage_flags_t usage)
assert(!(usage & ISL_SURF_USAGE_CUBE_BIT));
return SURFTYPE_1D;
case ISL_SURF_DIM_2D:
- if (usage & ISL_SURF_USAGE_STORAGE_BIT) {
- /* Storage images are always plain 2-D, not cube */
- return SURFTYPE_2D;
- } else if (usage & ISL_SURF_USAGE_CUBE_BIT) {
+ if ((usage & ISL_SURF_USAGE_CUBE_BIT) &&
+ (usage & ISL_SURF_USAGE_TEXTURE_BIT)) {
+ /* We need SURFTYPE_CUBE to make cube sampling work */
return SURFTYPE_CUBE;
} else {
+ /* Everything else (render and storage) treat cubes as plain
+ * 2D array textures
+ */
return SURFTYPE_2D;
}
case ISL_SURF_DIM_3D:
* hardware. Note that this does NOT give you the actual hardware enum values
* but an index into the isl_to_gen_[hv]align arrays above.
*/
-static struct isl_extent3d
+static inline struct isl_extent3d
get_image_alignment(const struct isl_surf *surf)
{
if (GEN_GEN >= 9) {
* true alignment is likely outside the enum range of HALIGN* and
* VALIGN*.
*/
- return isl_extent3d(0, 0, 0);
+ return isl_extent3d(4, 4, 1);
} else {
/* In Skylake, RENDER_SUFFACE_STATE.SurfaceVerticalAlignment is in units
* of surface elements (not pixels nor samples). For compressed formats,
default:
unreachable("Bad isl_surf_dim");
case ISL_DIM_LAYOUT_GEN4_2D:
- case ISL_DIM_LAYOUT_GEN4_3D:
if (GEN_GEN >= 9) {
- return isl_surf_get_array_pitch_el_rows(surf);
+ if (surf->dim == ISL_SURF_DIM_3D && surf->tiling == ISL_TILING_W) {
+ /* This is rather annoying and completely undocumented. It
+ * appears that the hardware has a bug (or undocumented feature)
+ * regarding stencil buffers most likely related to the way
+ * W-tiling is handled as modified Y-tiling. If you bind a 3-D
+ * stencil buffer normally, and use texelFetch on it, the z or
+ * array index will get implicitly multiplied by 2 for no obvious
+ * reason. The fix appears to be to divide qpitch by 2 for
+ * W-tiled surfaces.
+ */
+ return isl_surf_get_array_pitch_el_rows(surf) / 2;
+ } else {
+ return isl_surf_get_array_pitch_el_rows(surf);
+ }
} else {
/* From the Broadwell PRM for RENDER_SURFACE_STATE.QPitch
*
* slices.
*/
return isl_surf_get_array_pitch_el(surf);
+ case ISL_DIM_LAYOUT_GEN4_3D:
+ /* QPitch doesn't make sense for ISL_DIM_LAYOUT_GEN4_3D since it uses a
+ * different pitch at each LOD. Also, the QPitch field is ignored for
+ * these surfaces. From the Broadwell PRM documentation for QPitch:
+ *
+ * This field specifies the distance in rows between array slices. It
+ * is used only in the following cases:
+ * - Surface Array is enabled OR
+ * - Number of Mulitsamples is not NUMSAMPLES_1 and Multisampled
+ * Surface Storage Format set to MSFMT_MSS OR
+ * - Surface Type is SURFTYPE_CUBE
+ *
+ * None of the three conditions above can possibly apply to a 3D surface
+ * so it is safe to just set QPitch to 0.
+ */
+ return 0;
}
}
#endif /* GEN_GEN >= 8 */
s.SurfaceType = get_surftype(info->surf->dim, info->view->usage);
- if (info->view->usage & ISL_SURF_USAGE_STORAGE_BIT) {
- s.SurfaceFormat =
- isl_lower_storage_image_format(dev->info, info->view->format);
- } else {
- s.SurfaceFormat = info->view->format;
- }
+ if (info->view->usage & ISL_SURF_USAGE_RENDER_TARGET_BIT)
+ assert(isl_format_supports_rendering(dev->info, info->view->format));
+ else if (info->view->usage & ISL_SURF_USAGE_TEXTURE_BIT)
+ assert(isl_format_supports_sampling(dev->info, info->view->format));
+
+ /* From the Sky Lake PRM Vol. 2d, RENDER_SURFACE_STATE::SurfaceFormat
+ *
+ * This field cannot be a compressed (BC*, DXT*, FXT*, ETC*, EAC*)
+ * format if the Surface Type is SURFTYPE_1D
+ */
+ if (info->surf->dim == ISL_SURF_DIM_1D)
+ assert(!isl_format_is_compressed(info->view->format));
+
+ s.SurfaceFormat = info->view->format;
#if GEN_IS_HASWELL
s.IntegerSurfaceFormat = isl_format_has_int_channel(s.SurfaceFormat);
#endif
+ assert(info->surf->logical_level0_px.width > 0 &&
+ info->surf->logical_level0_px.height > 0);
+
s.Width = info->surf->logical_level0_px.width - 1;
s.Height = info->surf->logical_level0_px.height - 1;
+ /* In the gen6 PRM Volume 1 Part 1: Graphics Core, Section 7.18.3.7.1
+ * (Surface Arrays For all surfaces other than separate stencil buffer):
+ *
+ * "[DevSNB] Errata: Sampler MSAA Qpitch will be 4 greater than the value
+ * calculated in the equation above , for every other odd Surface Height
+ * starting from 1 i.e. 1,5,9,13"
+ *
+ * Since this Qpitch errata only impacts the sampler, we have to adjust the
+ * input for the rendering surface to achieve the same qpitch. For the
+ * affected heights, we increment the height by 1 for the rendering
+ * surface.
+ */
+ if (GEN_GEN == 6 && (info->view->usage & ISL_SURF_USAGE_RENDER_TARGET_BIT) &&
+ info->surf->samples > 1 &&
+ (info->surf->logical_level0_px.height % 4) == 1)
+ s.Height++;
+
switch (s.SurfaceType) {
case SURFTYPE_1D:
case SURFTYPE_2D:
+ /* From the Ivy Bridge PRM >> RENDER_SURFACE_STATE::MinimumArrayElement:
+ *
+ * "If Number of Multisamples is not MULTISAMPLECOUNT_1, this field
+ * must be set to zero if this surface is used with sampling engine
+ * messages."
+ *
+ * This restriction appears to exist only on Ivy Bridge.
+ */
+ if (GEN_GEN == 7 && !GEN_IS_HASWELL && !ISL_DEV_IS_BAYTRAIL(dev) &&
+ (info->view->usage & ISL_SURF_USAGE_TEXTURE_BIT) &&
+ info->surf->samples > 1)
+ assert(info->view->base_array_layer == 0);
+
s.MinimumArrayElement = info->view->base_array_layer;
/* From the Broadwell PRM >> RENDER_SURFACE_STATE::Depth:
s.RenderTargetViewExtent = s.Depth;
break;
case SURFTYPE_3D:
- s.MinimumArrayElement = info->view->base_array_layer;
-
/* From the Broadwell PRM >> RENDER_SURFACE_STATE::Depth:
*
* If the volume texture is MIP-mapped, this field specifies the
* textures with more levels than we can render to. In order to prevent
* assert-failures in the packing function below, we only set the field
* when it's actually going to be used by the hardware.
+ *
+ * Similaraly, the MinimumArrayElement field is ignored by all hardware
+ * prior to Sky Lake when texturing and we want it set to 0 anyway.
+ * Since it's already initialized to 0, we can just leave it alone for
+ * texture surfaces.
*/
if (info->view->usage & (ISL_SURF_USAGE_RENDER_TARGET_BIT |
ISL_SURF_USAGE_STORAGE_BIT)) {
- s.RenderTargetViewExtent = isl_minify(info->surf->logical_level0_px.depth,
- info->view->base_level) - 1;
+ s.MinimumArrayElement = info->view->base_array_layer;
+ s.RenderTargetViewExtent = info->view->array_len - 1;
}
break;
default:
unreachable("bad SurfaceType");
}
+#if GEN_GEN >= 7
s.SurfaceArray = info->surf->dim != ISL_SURF_DIM_3D;
+#endif
if (info->view->usage & ISL_SURF_USAGE_RENDER_TARGET_BIT) {
/* For render target surfaces, the hardware interprets field
s.MIPCountLOD = MAX(info->view->levels, 1) - 1;
}
+#if GEN_GEN >= 9
+ /* We don't use miptails yet. The PRM recommends that you set "Mip Tail
+ * Start LOD" to 15 to prevent the hardware from trying to use them.
+ */
+ s.TiledResourceMode = NONE;
+ s.MipTailStartLOD = 15;
+#endif
+
+#if GEN_GEN >= 6
const struct isl_extent3d image_align = get_image_alignment(info->surf);
s.SurfaceVerticalAlignment = isl_to_gen_valign[image_align.height];
+#if GEN_GEN >= 7
s.SurfaceHorizontalAlignment = isl_to_gen_halign[image_align.width];
+#endif
+#endif
- if (info->surf->tiling == ISL_TILING_W) {
- /* From the Broadwell PRM documentation for this field:
- *
- * "If the surface is a stencil buffer (and thus has Tile Mode set
- * to TILEMODE_WMAJOR), the pitch must be set to 2x the value
- * computed based on width, as the stencil buffer is stored with
- * two rows interleaved."
- */
- s.SurfacePitch = info->surf->row_pitch * 2 - 1;
+ if (info->surf->dim_layout == ISL_DIM_LAYOUT_GEN9_1D) {
+ /* For gen9 1-D textures, surface pitch is ignored */
+ s.SurfacePitch = 0;
} else {
s.SurfacePitch = info->surf->row_pitch - 1;
}
s.TileMode = isl_to_gen_tiling[info->surf->tiling];
#else
s.TiledSurface = info->surf->tiling != ISL_TILING_LINEAR,
- s.TileWalk = info->surf->tiling == ISL_TILING_X ? TILEWALK_XMAJOR :
- TILEWALK_YMAJOR;
+ s.TileWalk = info->surf->tiling == ISL_TILING_Y0 ? TILEWALK_YMAJOR :
+ TILEWALK_XMAJOR,
#endif
#if GEN_GEN >= 8
#endif
}
+#if GEN_GEN >= 6
+ s.NumberofMultisamples = ffs(info->surf->samples) - 1;
+#if GEN_GEN >= 7
s.MultisampledSurfaceStorageFormat =
isl_to_gen_multisample_layout[info->surf->msaa_layout];
- s.NumberofMultisamples = ffs(info->surf->samples) - 1;
+#endif
+#endif
#if (GEN_GEN >= 8 || GEN_IS_HASWELL)
- s.ShaderChannelSelectRed = info->view->channel_select[0];
- s.ShaderChannelSelectGreen = info->view->channel_select[1];
- s.ShaderChannelSelectBlue = info->view->channel_select[2];
- s.ShaderChannelSelectAlpha = info->view->channel_select[3];
+ s.ShaderChannelSelectRed = info->view->swizzle.r;
+ s.ShaderChannelSelectGreen = info->view->swizzle.g;
+ s.ShaderChannelSelectBlue = info->view->swizzle.b;
+ s.ShaderChannelSelectAlpha = info->view->swizzle.a;
#endif
s.SurfaceBaseAddress = info->address;
+
+#if GEN_GEN >= 6
s.MOCS = info->mocs;
+#endif
+
+#if GEN_GEN > 4 || GEN_IS_G4X
+ if (info->x_offset_sa != 0 || info->y_offset_sa != 0) {
+ /* There are fairly strict rules about when the offsets can be used.
+ * These are mostly taken from the Sky Lake PRM documentation for
+ * RENDER_SURFACE_STATE.
+ */
+ assert(info->surf->tiling != ISL_TILING_LINEAR);
+ assert(info->surf->dim == ISL_SURF_DIM_2D);
+ assert(isl_is_pow2(isl_format_get_layout(info->view->format)->bpb));
+ assert(info->surf->levels == 1);
+ assert(info->surf->logical_level0_px.array_len == 1);
+ assert(info->aux_usage == ISL_AUX_USAGE_NONE);
+
+ if (GEN_GEN >= 8) {
+ /* Broadwell added more rules. */
+ assert(info->surf->samples == 1);
+ if (isl_format_get_layout(info->view->format)->bpb == 8)
+ assert(info->x_offset_sa % 16 == 0);
+ if (isl_format_get_layout(info->view->format)->bpb == 16)
+ assert(info->x_offset_sa % 8 == 0);
+ }
+
+#if GEN_GEN >= 7
+ s.SurfaceArray = false;
+#endif
+ }
+
+ const unsigned x_div = 4;
+ const unsigned y_div = GEN_GEN >= 8 ? 4 : 2;
+ assert(info->x_offset_sa % x_div == 0);
+ assert(info->y_offset_sa % y_div == 0);
+ s.XOffset = info->x_offset_sa / x_div;
+ s.YOffset = info->y_offset_sa / y_div;
+#else
+ assert(info->x_offset_sa == 0);
+ assert(info->y_offset_sa == 0);
+#endif
+
+#if GEN_GEN >= 7
+ if (info->aux_surf && info->aux_usage != ISL_AUX_USAGE_NONE) {
+ struct isl_tile_info tile_info;
+ isl_surf_get_tile_info(dev, info->aux_surf, &tile_info);
+ uint32_t pitch_in_tiles =
+ info->aux_surf->row_pitch / tile_info.phys_extent_B.width;
#if GEN_GEN >= 8
- s.AuxiliarySurfaceMode = AUX_NONE;
+ assert(GEN_GEN >= 9 || info->aux_usage != ISL_AUX_USAGE_CCS_E);
+ s.AuxiliarySurfacePitch = pitch_in_tiles - 1;
+ /* Auxiliary surfaces in ISL have compressed formats but the hardware
+ * doesn't expect our definition of the compression, it expects qpitch
+ * in units of samples on the main surface.
+ */
+ s.AuxiliarySurfaceQPitch =
+ isl_surf_get_array_pitch_sa_rows(info->aux_surf) >> 2;
+ s.AuxiliarySurfaceBaseAddress = info->aux_address;
+
+ if (info->aux_usage == ISL_AUX_USAGE_HIZ) {
+ /* The number of samples must be 1 */
+ assert(info->surf->samples == 1);
+
+ /* The dimension must not be 3D */
+ assert(info->surf->dim != ISL_SURF_DIM_3D);
+
+ /* The format must be one of the following: */
+ switch (info->view->format) {
+ case ISL_FORMAT_R32_FLOAT:
+ case ISL_FORMAT_R24_UNORM_X8_TYPELESS:
+ case ISL_FORMAT_R16_UNORM:
+ break;
+ default:
+ assert(!"Incompatible HiZ Sampling format");
+ break;
+ }
+ }
+
+ s.AuxiliarySurfaceMode = isl_to_gen_aux_mode[info->aux_usage];
#else
- s.MCSEnable = false;
+ assert(info->aux_usage == ISL_AUX_USAGE_MCS ||
+ info->aux_usage == ISL_AUX_USAGE_CCS_D);
+ s.MCSBaseAddress = info->aux_address,
+ s.MCSSurfacePitch = pitch_in_tiles - 1;
+ s.MCSEnable = true;
+#endif
+ }
#endif
#if GEN_GEN >= 8
s.SamplerL2BypassModeDisable = true;
break;
default:
+ /* From the SKL PRM, Programming Note under Sampler Output Channel
+ * Mapping:
+ *
+ * If a surface has an associated HiZ Auxilliary surface, the
+ * Sampler L2 Bypass Mode Disable field in the RENDER_SURFACE_STATE
+ * must be set.
+ */
+ if (GEN_GEN >= 9 && info->aux_usage == ISL_AUX_USAGE_HIZ)
+ s.SamplerL2BypassModeDisable = true;
break;
}
}
#endif
+ if (info->aux_usage != ISL_AUX_USAGE_NONE) {
#if GEN_GEN >= 9
- s.RedClearColor = info->clear_color.u32[0];
- s.GreenClearColor = info->clear_color.u32[1];
- s.BlueClearColor = info->clear_color.u32[2];
- s.AlphaClearColor = info->clear_color.u32[3];
+ s.RedClearColor = info->clear_color.u32[0];
+ s.GreenClearColor = info->clear_color.u32[1];
+ s.BlueClearColor = info->clear_color.u32[2];
+ s.AlphaClearColor = info->clear_color.u32[3];
#elif GEN_GEN >= 7
- /* Prior to Sky Lake, we only have one bit for the clear color which
- * gives us 0 or 1 in whatever the surface's format happens to be.
- */
- if (isl_format_has_int_channel(info->view->format)) {
- for (unsigned i = 0; i < 4; i++) {
- assert(info->clear_color.u32[i] == 0 ||
- info->clear_color.u32[i] == 1);
- }
- s.RedClearColor = info->clear_color.u32[0] != 0;
- s.GreenClearColor = info->clear_color.u32[1] != 0;
- s.BlueClearColor = info->clear_color.u32[2] != 0;
- s.AlphaClearColor = info->clear_color.u32[3] != 0;
- } else {
- for (unsigned i = 0; i < 4; i++) {
- assert(info->clear_color.f32[i] == 0.0f ||
- info->clear_color.f32[i] == 1.0f);
+ /* Prior to Sky Lake, we only have one bit for the clear color which
+ * gives us 0 or 1 in whatever the surface's format happens to be.
+ */
+ if (isl_format_has_int_channel(info->view->format)) {
+ for (unsigned i = 0; i < 4; i++) {
+ assert(info->clear_color.u32[i] == 0 ||
+ info->clear_color.u32[i] == 1);
+ }
+ s.RedClearColor = info->clear_color.u32[0] != 0;
+ s.GreenClearColor = info->clear_color.u32[1] != 0;
+ s.BlueClearColor = info->clear_color.u32[2] != 0;
+ s.AlphaClearColor = info->clear_color.u32[3] != 0;
+ } else {
+ for (unsigned i = 0; i < 4; i++) {
+ assert(info->clear_color.f32[i] == 0.0f ||
+ info->clear_color.f32[i] == 1.0f);
+ }
+ s.RedClearColor = info->clear_color.f32[0] != 0.0f;
+ s.GreenClearColor = info->clear_color.f32[1] != 0.0f;
+ s.BlueClearColor = info->clear_color.f32[2] != 0.0f;
+ s.AlphaClearColor = info->clear_color.f32[3] != 0.0f;
}
- s.RedClearColor = info->clear_color.f32[0] != 0.0f;
- s.GreenClearColor = info->clear_color.f32[1] != 0.0f;
- s.BlueClearColor = info->clear_color.f32[2] != 0.0f;
- s.AlphaClearColor = info->clear_color.f32[3] != 0.0f;
- }
#endif
+ }
GENX(RENDER_SURFACE_STATE_pack)(NULL, state, &s);
}
{
uint32_t num_elements = info->size / info->stride;
- struct GENX(RENDER_SURFACE_STATE) surface_state = {
- .SurfaceType = SURFTYPE_BUFFER,
- .SurfaceArray = false,
- .SurfaceFormat = info->format,
- .SurfaceVerticalAlignment = isl_to_gen_valign[4],
- .SurfaceHorizontalAlignment = isl_to_gen_halign[4],
- .Height = ((num_elements - 1) >> 7) & 0x3fff,
- .Width = (num_elements - 1) & 0x7f,
- .Depth = ((num_elements - 1) >> 21) & 0x3f,
- .SurfacePitch = info->stride - 1,
- .NumberofMultisamples = MULTISAMPLECOUNT_1,
+ if (GEN_GEN >= 7) {
+ /* From the IVB PRM, SURFACE_STATE::Height,
+ *
+ * For typed buffer and structured buffer surfaces, the number
+ * of entries in the buffer ranges from 1 to 2^27. For raw buffer
+ * surfaces, the number of entries in the buffer is the number of bytes
+ * which can range from 1 to 2^30.
+ */
+ if (info->format == ISL_FORMAT_RAW) {
+ assert(num_elements <= (1ull << 30));
+ assert((num_elements & 3) == 0);
+ } else {
+ assert(num_elements <= (1ull << 27));
+ }
+ } else {
+ assert(num_elements <= (1ull << 27));
+ }
+
+ struct GENX(RENDER_SURFACE_STATE) s = { 0, };
+
+ s.SurfaceType = SURFTYPE_BUFFER;
+ s.SurfaceFormat = info->format;
+
+#if GEN_GEN >= 6
+ s.SurfaceVerticalAlignment = isl_to_gen_valign[4];
+#if GEN_GEN >= 7
+ s.SurfaceHorizontalAlignment = isl_to_gen_halign[4];
+ s.SurfaceArray = false;
+#endif
+#endif
+
+#if GEN_GEN >= 7
+ s.Height = ((num_elements - 1) >> 7) & 0x3fff;
+ s.Width = (num_elements - 1) & 0x7f;
+ s.Depth = ((num_elements - 1) >> 21) & 0x3ff;
+#else
+ s.Height = ((num_elements - 1) >> 7) & 0x1fff;
+ s.Width = (num_elements - 1) & 0x7f;
+ s.Depth = ((num_elements - 1) >> 20) & 0x7f;
+#endif
+
+ s.SurfacePitch = info->stride - 1;
+
+#if GEN_GEN >= 6
+ s.NumberofMultisamples = MULTISAMPLECOUNT_1;
+#endif
#if (GEN_GEN >= 8)
- .TileMode = LINEAR,
+ s.TileMode = LINEAR;
#else
- .TiledSurface = false,
+ s.TiledSurface = false;
#endif
#if (GEN_GEN >= 8)
- .RenderCacheReadWriteMode = WriteOnlyCache,
+ s.RenderCacheReadWriteMode = WriteOnlyCache;
#else
- .RenderCacheReadWriteMode = 0,
+ s.RenderCacheReadWriteMode = 0;
#endif
- .MOCS = info->mocs,
+ s.SurfaceBaseAddress = info->address;
+#if GEN_GEN >= 6
+ s.MOCS = info->mocs;
+#endif
#if (GEN_GEN >= 8 || GEN_IS_HASWELL)
- .ShaderChannelSelectRed = SCS_RED,
- .ShaderChannelSelectGreen = SCS_GREEN,
- .ShaderChannelSelectBlue = SCS_BLUE,
- .ShaderChannelSelectAlpha = SCS_ALPHA,
+ s.ShaderChannelSelectRed = SCS_RED;
+ s.ShaderChannelSelectGreen = SCS_GREEN;
+ s.ShaderChannelSelectBlue = SCS_BLUE;
+ s.ShaderChannelSelectAlpha = SCS_ALPHA;
#endif
- .SurfaceBaseAddress = info->address,
- };
- GENX(RENDER_SURFACE_STATE_pack)(NULL, state, &surface_state);
+ GENX(RENDER_SURFACE_STATE_pack)(NULL, state, &s);
}
projects / mesa.git / blobdiff