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-rw-r--r--src/intel/isl/isl_surface_state.c394
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diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c
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+/*
+ * Copyright 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * 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, 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 above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 <stdint.h>
+
+#define __gen_address_type uint64_t
+#define __gen_user_data void
+
+static inline uint64_t
+__gen_combine_address(void *data, void *loc, uint64_t addr, uint32_t delta)
+{
+ return addr + delta;
+}
+
+#include "genxml/gen_macros.h"
+#include "genxml/genX_pack.h"
+
+#include "isl_priv.h"
+
+#define __PASTE2(x, y) x ## y
+#define __PASTE(x, y) __PASTE2(x, y)
+#define isl_genX(x) __PASTE(isl_, genX(x))
+
+#if GEN_GEN >= 8
+static const uint8_t isl_to_gen_halign[] = {
+ [4] = HALIGN4,
+ [8] = HALIGN8,
+ [16] = HALIGN16,
+};
+
+static const uint8_t isl_to_gen_valign[] = {
+ [4] = VALIGN4,
+ [8] = VALIGN8,
+ [16] = VALIGN16,
+};
+#else
+static const uint8_t isl_to_gen_halign[] = {
+ [4] = HALIGN_4,
+ [8] = HALIGN_8,
+};
+
+static const uint8_t isl_to_gen_valign[] = {
+ [2] = VALIGN_2,
+ [4] = VALIGN_4,
+};
+#endif
+
+#if GEN_GEN >= 8
+static const uint8_t isl_to_gen_tiling[] = {
+ [ISL_TILING_LINEAR] = LINEAR,
+ [ISL_TILING_X] = XMAJOR,
+ [ISL_TILING_Y0] = YMAJOR,
+ [ISL_TILING_Yf] = YMAJOR,
+ [ISL_TILING_Ys] = YMAJOR,
+ [ISL_TILING_W] = WMAJOR,
+};
+#endif
+
+#if GEN_GEN >= 8
+static const uint32_t isl_to_gen_multisample_layout[] = {
+ [ISL_MSAA_LAYOUT_NONE] = MSS,
+ [ISL_MSAA_LAYOUT_INTERLEAVED] = DEPTH_STENCIL,
+ [ISL_MSAA_LAYOUT_ARRAY] = MSS,
+};
+#else
+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
+
+static const uint8_t
+get_surftype(enum isl_surf_dim dim, isl_surf_usage_flags_t usage)
+{
+ switch (dim) {
+ default:
+ unreachable("bad isl_surf_dim");
+ case ISL_SURF_DIM_1D:
+ 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) {
+ return SURFTYPE_CUBE;
+ } else {
+ return SURFTYPE_2D;
+ }
+ case ISL_SURF_DIM_3D:
+ assert(!(usage & ISL_SURF_USAGE_CUBE_BIT));
+ return SURFTYPE_3D;
+ }
+}
+
+/**
+ * Get the values to pack into RENDER_SUFFACE_STATE.SurfaceHorizontalAlignment
+ * and SurfaceVerticalAlignment.
+ */
+static void
+get_halign_valign(const struct isl_surf *surf,
+ uint32_t *halign, uint32_t *valign)
+{
+ if (GEN_GEN >= 9) {
+ if (isl_tiling_is_std_y(surf->tiling) ||
+ surf->dim_layout == ISL_DIM_LAYOUT_GEN9_1D) {
+ /* The hardware ignores the alignment values. Anyway, the surface's
+ * true alignment is likely outside the enum range of HALIGN* and
+ * VALIGN*.
+ */
+ *halign = 0;
+ *valign = 0;
+ } else {
+ /* In Skylake, RENDER_SUFFACE_STATE.SurfaceVerticalAlignment is in units
+ * of surface elements (not pixels nor samples). For compressed formats,
+ * a "surface element" is defined as a compression block. For example,
+ * if SurfaceVerticalAlignment is VALIGN_4 and SurfaceFormat is an ETC2
+ * format (ETC2 has a block height of 4), then the vertical alignment is
+ * 4 compression blocks or, equivalently, 16 pixels.
+ */
+ struct isl_extent3d image_align_el
+ = isl_surf_get_image_alignment_el(surf);
+
+ *halign = isl_to_gen_halign[image_align_el.width];
+ *valign = isl_to_gen_valign[image_align_el.height];
+ }
+ } else {
+ /* Pre-Skylake, RENDER_SUFFACE_STATE.SurfaceVerticalAlignment is in
+ * units of surface samples. For example, if SurfaceVerticalAlignment
+ * is VALIGN_4 and the surface is singlesampled, then for any surface
+ * format (compressed or not) the vertical alignment is
+ * 4 pixels.
+ */
+ struct isl_extent3d image_align_sa
+ = isl_surf_get_image_alignment_sa(surf);
+
+ *halign = isl_to_gen_halign[image_align_sa.width];
+ *valign = isl_to_gen_valign[image_align_sa.height];
+ }
+}
+
+#if GEN_GEN >= 8
+static uint32_t
+get_qpitch(const struct isl_surf *surf)
+{
+ switch (surf->dim) {
+ default:
+ assert(!"Bad isl_surf_dim");
+ case ISL_SURF_DIM_1D:
+ if (GEN_GEN >= 9) {
+ /* QPitch is usually expressed as rows of surface elements (where
+ * a surface element is an compression block or a single surface
+ * sample). Skylake 1D is an outlier.
+ *
+ * From the Skylake BSpec >> Memory Views >> Common Surface
+ * Formats >> Surface Layout and Tiling >> 1D Surfaces:
+ *
+ * Surface QPitch specifies the distance in pixels between array
+ * slices.
+ */
+ return isl_surf_get_array_pitch_el(surf);
+ } else {
+ return isl_surf_get_array_pitch_el_rows(surf);
+ }
+ case ISL_SURF_DIM_2D:
+ case ISL_SURF_DIM_3D:
+ if (GEN_GEN >= 9) {
+ return isl_surf_get_array_pitch_el_rows(surf);
+ } else {
+ /* From the Broadwell PRM for RENDER_SURFACE_STATE.QPitch
+ *
+ * "This field must be set to an integer multiple of the Surface
+ * Vertical Alignment. For compressed textures (BC*, FXT1,
+ * ETC*, and EAC* Surface Formats), this field is in units of
+ * rows in the uncompressed surface, and must be set to an
+ * integer multiple of the vertical alignment parameter "j"
+ * defined in the Common Surface Formats section."
+ */
+ return isl_surf_get_array_pitch_sa_rows(surf);
+ }
+ }
+}
+#endif /* GEN_GEN >= 8 */
+
+void
+isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state,
+ const struct isl_surf_fill_state_info *restrict info)
+{
+ uint32_t halign, valign;
+ get_halign_valign(info->surf, &halign, &valign);
+
+ struct GENX(RENDER_SURFACE_STATE) s = {
+ .SurfaceType = get_surftype(info->surf->dim, info->view->usage),
+ .SurfaceArray = info->surf->phys_level0_sa.array_len > 1,
+ .SurfaceVerticalAlignment = valign,
+ .SurfaceHorizontalAlignment = halign,
+
+#if GEN_GEN >= 8
+ .TileMode = isl_to_gen_tiling[info->surf->tiling],
+#else
+ .TiledSurface = info->surf->tiling != ISL_TILING_LINEAR,
+ .TileWalk = info->surf->tiling == ISL_TILING_X ? TILEWALK_XMAJOR :
+ TILEWALK_YMAJOR,
+#endif
+
+ .VerticalLineStride = 0,
+ .VerticalLineStrideOffset = 0,
+
+#if GEN_GEN >= 8
+ .SamplerL2BypassModeDisable = true,
+#endif
+
+#if GEN_GEN >= 8
+ .RenderCacheReadWriteMode = WriteOnlyCache,
+#else
+ .RenderCacheReadWriteMode = 0,
+#endif
+
+#if GEN_GEN >= 8
+ .CubeFaceEnablePositiveZ = 1,
+ .CubeFaceEnableNegativeZ = 1,
+ .CubeFaceEnablePositiveY = 1,
+ .CubeFaceEnableNegativeY = 1,
+ .CubeFaceEnablePositiveX = 1,
+ .CubeFaceEnableNegativeX = 1,
+#else
+ .CubeFaceEnables = 0x3f,
+#endif
+
+#if GEN_GEN >= 8
+ .SurfaceQPitch = get_qpitch(info->surf) >> 2,
+#endif
+
+ .Width = info->level0_extent_px.width - 1,
+ .Height = info->level0_extent_px.height - 1,
+ .Depth = 0, /* TEMPLATE */
+
+ .SurfacePitch = info->surf->row_pitch - 1,
+ .RenderTargetViewExtent = 0, /* TEMPLATE */
+ .MinimumArrayElement = 0, /* TEMPLATE */
+
+ .MultisampledSurfaceStorageFormat =
+ isl_to_gen_multisample_layout[info->surf->msaa_layout],
+ .NumberofMultisamples = ffs(info->surf->samples) - 1,
+ .MultisamplePositionPaletteIndex = 0, /* UNUSED */
+
+ .XOffset = 0,
+ .YOffset = 0,
+
+ .ResourceMinLOD = 0.0,
+
+ .MIPCountLOD = 0, /* TEMPLATE */
+ .SurfaceMinLOD = 0, /* TEMPLATE */
+
+#if (GEN_GEN >= 8 || GEN_IS_HASWELL)
+ .ShaderChannelSelectRed = info->view->channel_select[0],
+ .ShaderChannelSelectGreen = info->view->channel_select[1],
+ .ShaderChannelSelectBlue = info->view->channel_select[2],
+ .ShaderChannelSelectAlpha = info->view->channel_select[3],
+#endif
+
+ .SurfaceBaseAddress = info->address,
+ .MOCS = info->mocs,
+
+#if GEN_GEN >= 8
+ .AuxiliarySurfaceMode = AUX_NONE,
+#else
+ .MCSEnable = false,
+#endif
+ };
+
+ if (info->view->usage & ISL_SURF_USAGE_STORAGE_BIT) {
+ s.SurfaceFormat = isl_lower_storage_image_format(dev, info->view->format);
+ } else {
+ s.SurfaceFormat = info->view->format;
+ }
+
+ switch (s.SurfaceType) {
+ case SURFTYPE_1D:
+ case SURFTYPE_2D:
+ s.MinimumArrayElement = info->view->base_array_layer;
+
+ /* From the Broadwell PRM >> RENDER_SURFACE_STATE::Depth:
+ *
+ * For SURFTYPE_1D, 2D, and CUBE: The range of this field is reduced
+ * by one for each increase from zero of Minimum Array Element. For
+ * example, if Minimum Array Element is set to 1024 on a 2D surface,
+ * the range of this field is reduced to [0,1023].
+ *
+ * In other words, 'Depth' is the number of array layers.
+ */
+ s.Depth = info->view->array_len - 1;
+
+ /* From the Broadwell PRM >> RENDER_SURFACE_STATE::RenderTargetViewExtent:
+ *
+ * For Render Target and Typed Dataport 1D and 2D Surfaces:
+ * This field must be set to the same value as the Depth field.
+ */
+ s.RenderTargetViewExtent = s.Depth;
+ break;
+ case SURFTYPE_CUBE:
+ s.MinimumArrayElement = info->view->base_array_layer;
+ /* Same as SURFTYPE_2D, but divided by 6 */
+ s.Depth = info->view->array_len / 6 - 1;
+ 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
+ * depth of the base MIP level.
+ */
+ s.Depth = info->level0_extent_px.depth - 1;
+
+ /* From the Broadwell PRM >> RENDER_SURFACE_STATE::RenderTargetViewExtent:
+ *
+ * For Render Target and Typed Dataport 3D Surfaces: This field
+ * indicates the extent of the accessible 'R' coordinates minus 1 on
+ * the LOD currently being rendered to.
+ */
+ s.RenderTargetViewExtent = info->level0_extent_px.depth - 1;
+ break;
+ default:
+ unreachable(!"bad SurfaceType");
+ }
+
+ if (info->view->usage & ISL_SURF_USAGE_RENDER_TARGET_BIT) {
+ /* For render target surfaces, the hardware interprets field
+ * MIPCount/LOD as LOD. The Broadwell PRM says:
+ *
+ * MIPCountLOD defines the LOD that will be rendered into.
+ * SurfaceMinLOD is ignored.
+ */
+ s.MIPCountLOD = info->view->base_level;
+ s.SurfaceMinLOD = 0;
+ } else {
+ /* For non render target surfaces, the hardware interprets field
+ * MIPCount/LOD as MIPCount. The range of levels accessible by the
+ * sampler engine is [SurfaceMinLOD, SurfaceMinLOD + MIPCountLOD].
+ */
+ s.SurfaceMinLOD = info->view->base_level;
+ s.MIPCountLOD = MAX(info->view->levels, 1) - 1;
+ }
+
+#if 0
+ if (GEN_GEN == 8) {
+ if (isl_format_is_integer(info->view->format)) {
+ for (unsigned i = 0; i < 4; i++) {
+ assert(info->clear_color.u32[i] == 0 ||
+ info->clear_color.u32[i] == 1);
+ }
+ } 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.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 {
+ .RedClearColor = info->clear_color.u32[0],
+ .GreenClearColor = info->clear_color.u32[1],
+ .BlueClearColor = info->clear_color.u32[2],
+ .AlphaClearColor = info->clear_color.u32[3],
+ }
+#endif
+
+ GENX(RENDER_SURFACE_STATE_pack)(NULL, state, &s);
+}
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