src/intel/vulkan/genX_state.c

   1 /*
   2  * Copyright © 2015 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <assert.h>
  25 #include <stdbool.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28 #include <fcntl.h>
  29
  30 #include "anv_private.h"
  31
  32 #include "common/gen_sample_positions.h"
  33 #include "genxml/gen_macros.h"
  34 #include "genxml/genX_pack.h"
  35
  36 VkResult
  37 genX(init_device_state)(struct anv_device *device)
  38 {
  39    GENX(MEMORY_OBJECT_CONTROL_STATE_pack)(NULL, &device->default_mocs,
  40                                           &GENX(MOCS));
  41
  42    struct anv_batch batch;
  43
  44    uint32_t cmds[64];
  45    batch.start = batch.next = cmds;
  46    batch.end = (void *) cmds + sizeof(cmds);
  47
  48    anv_batch_emit(&batch, GENX(PIPELINE_SELECT), ps) {
  49 #if GEN_GEN >= 9
  50       ps.MaskBits = 3;
  51 #endif
  52       ps.PipelineSelection = _3D;
  53    }
  54
  55 #if GEN_GEN == 9
  56    uint32_t cache_mode_1;
  57    anv_pack_struct(&cache_mode_1, GENX(CACHE_MODE_1),
  58                    .FloatBlendOptimizationEnable = true,
  59                    .FloatBlendOptimizationEnableMask = true,
  60                    .PartialResolveDisableInVC = true,
  61                    .PartialResolveDisableInVCMask = true);
  62
  63    anv_batch_emit(&batch, GENX(MI_LOAD_REGISTER_IMM), lri) {
  64       lri.RegisterOffset = GENX(CACHE_MODE_1_num);
  65       lri.DataDWord      = cache_mode_1;
  66    }
  67 #endif
  68
  69    anv_batch_emit(&batch, GENX(3DSTATE_AA_LINE_PARAMETERS), aa);
  70
  71    anv_batch_emit(&batch, GENX(3DSTATE_DRAWING_RECTANGLE), rect) {
  72       rect.ClippedDrawingRectangleYMin = 0;
  73       rect.ClippedDrawingRectangleXMin = 0;
  74       rect.ClippedDrawingRectangleYMax = UINT16_MAX;
  75       rect.ClippedDrawingRectangleXMax = UINT16_MAX;
  76       rect.DrawingRectangleOriginY = 0;
  77       rect.DrawingRectangleOriginX = 0;
  78    }
  79
  80 #if GEN_GEN >= 8
  81    anv_batch_emit(&batch, GENX(3DSTATE_WM_CHROMAKEY), ck);
  82
  83    /* See the Vulkan 1.0 spec Table 24.1 "Standard sample locations" and
  84     * VkPhysicalDeviceFeatures::standardSampleLocations.
  85     */
  86    anv_batch_emit(&batch, GENX(3DSTATE_SAMPLE_PATTERN), sp) {
  87       GEN_SAMPLE_POS_1X(sp._1xSample);
  88       GEN_SAMPLE_POS_2X(sp._2xSample);
  89       GEN_SAMPLE_POS_4X(sp._4xSample);
  90       GEN_SAMPLE_POS_8X(sp._8xSample);
  91 #if GEN_GEN >= 9
  92       GEN_SAMPLE_POS_16X(sp._16xSample);
  93 #endif
  94    }
  95 #endif
  96
  97    anv_batch_emit(&batch, GENX(MI_BATCH_BUFFER_END), bbe);
  98
  99    assert(batch.next <= batch.end);
 100
 101    return anv_device_submit_simple_batch(device, &batch);
 102 }
 103
 104 static uint32_t
 105 vk_to_gen_tex_filter(VkFilter filter, bool anisotropyEnable)
 106 {
 107    switch (filter) {
 108    default:
 109       assert(!"Invalid filter");
 110    case VK_FILTER_NEAREST:
 111       return anisotropyEnable ? MAPFILTER_ANISOTROPIC : MAPFILTER_NEAREST;
 112    case VK_FILTER_LINEAR:
 113       return anisotropyEnable ? MAPFILTER_ANISOTROPIC : MAPFILTER_LINEAR;
 114    }
 115 }
 116
 117 static uint32_t
 118 vk_to_gen_max_anisotropy(float ratio)
 119 {
 120    return (anv_clamp_f(ratio, 2, 16) - 2) / 2;
 121 }
 122
 123 static const uint32_t vk_to_gen_mipmap_mode[] = {
 124    [VK_SAMPLER_MIPMAP_MODE_NEAREST]          = MIPFILTER_NEAREST,
 125    [VK_SAMPLER_MIPMAP_MODE_LINEAR]           = MIPFILTER_LINEAR
 126 };
 127
 128 static const uint32_t vk_to_gen_tex_address[] = {
 129    [VK_SAMPLER_ADDRESS_MODE_REPEAT]          = TCM_WRAP,
 130    [VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT] = TCM_MIRROR,
 131    [VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE]   = TCM_CLAMP,
 132    [VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE] = TCM_MIRROR_ONCE,
 133    [VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER] = TCM_CLAMP_BORDER,
 134 };
 135
 136 /* Vulkan specifies the result of shadow comparisons as:
 137  *     1     if   ref <op> texel,
 138  *     0     otherwise.
 139  *
 140  * The hardware does:
 141  *     0     if texel <op> ref,
 142  *     1     otherwise.
 143  *
 144  * So, these look a bit strange because there's both a negation
 145  * and swapping of the arguments involved.
 146  */
 147 static const uint32_t vk_to_gen_shadow_compare_op[] = {
 148    [VK_COMPARE_OP_NEVER]                        = PREFILTEROPALWAYS,
 149    [VK_COMPARE_OP_LESS]                         = PREFILTEROPLEQUAL,
 150    [VK_COMPARE_OP_EQUAL]                        = PREFILTEROPNOTEQUAL,
 151    [VK_COMPARE_OP_LESS_OR_EQUAL]                = PREFILTEROPLESS,
 152    [VK_COMPARE_OP_GREATER]                      = PREFILTEROPGEQUAL,
 153    [VK_COMPARE_OP_NOT_EQUAL]                    = PREFILTEROPEQUAL,
 154    [VK_COMPARE_OP_GREATER_OR_EQUAL]             = PREFILTEROPGREATER,
 155    [VK_COMPARE_OP_ALWAYS]                       = PREFILTEROPNEVER,
 156 };
 157
 158 VkResult genX(CreateSampler)(
 159     VkDevice                                    _device,
 160     const VkSamplerCreateInfo*                  pCreateInfo,
 161     const VkAllocationCallbacks*                pAllocator,
 162     VkSampler*                                  pSampler)
 163 {
 164    ANV_FROM_HANDLE(anv_device, device, _device);
 165    struct anv_sampler *sampler;
 166
 167    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO);
 168
 169    sampler = vk_alloc2(&device->alloc, pAllocator, sizeof(*sampler), 8,
 170                         VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 171    if (!sampler)
 172       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 173
 174    sampler->n_planes = 1;
 175
 176    uint32_t border_color_offset = device->border_colors.offset +
 177                                   pCreateInfo->borderColor * 64;
 178
 179    bool enable_min_filter_addr_rounding =
 180       pCreateInfo->minFilter != VK_FILTER_NEAREST;
 181    bool enable_mag_filter_addr_rounding =
 182       pCreateInfo->magFilter != VK_FILTER_NEAREST;
 183
 184    struct GENX(SAMPLER_STATE) sampler_state = {
 185       .SamplerDisable = false,
 186       .TextureBorderColorMode = DX10OGL,
 187
 188 #if GEN_GEN >= 8
 189       .LODPreClampMode = CLAMP_MODE_OGL,
 190 #else
 191       .LODPreClampEnable = CLAMP_ENABLE_OGL,
 192 #endif
 193
 194 #if GEN_GEN == 8
 195       .BaseMipLevel = 0.0,
 196 #endif
 197       .MipModeFilter = vk_to_gen_mipmap_mode[pCreateInfo->mipmapMode],
 198       .MagModeFilter = vk_to_gen_tex_filter(pCreateInfo->magFilter,
 199                                             pCreateInfo->anisotropyEnable),
 200       .MinModeFilter = vk_to_gen_tex_filter(pCreateInfo->minFilter,
 201                                             pCreateInfo->anisotropyEnable),
 202       .TextureLODBias = anv_clamp_f(pCreateInfo->mipLodBias, -16, 15.996),
 203       .AnisotropicAlgorithm = EWAApproximation,
 204       .MinLOD = anv_clamp_f(pCreateInfo->minLod, 0, 14),
 205       .MaxLOD = anv_clamp_f(pCreateInfo->maxLod, 0, 14),
 206       .ChromaKeyEnable = 0,
 207       .ChromaKeyIndex = 0,
 208       .ChromaKeyMode = 0,
 209       .ShadowFunction = vk_to_gen_shadow_compare_op[pCreateInfo->compareOp],
 210       .CubeSurfaceControlMode = OVERRIDE,
 211
 212       .BorderColorPointer = border_color_offset,
 213
 214 #if GEN_GEN >= 8
 215       .LODClampMagnificationMode = MIPNONE,
 216 #endif
 217
 218       .MaximumAnisotropy = vk_to_gen_max_anisotropy(pCreateInfo->maxAnisotropy),
 219       .RAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
 220       .RAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
 221       .VAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
 222       .VAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
 223       .UAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
 224       .UAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
 225       .TrilinearFilterQuality = 0,
 226       .NonnormalizedCoordinateEnable = pCreateInfo->unnormalizedCoordinates,
 227       .TCXAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeU],
 228       .TCYAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeV],
 229       .TCZAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeW],
 230    };
 231
 232    GENX(SAMPLER_STATE_pack)(NULL, sampler->state, &sampler_state);
 233
 234    *pSampler = anv_sampler_to_handle(sampler);
 235
 236    return VK_SUCCESS;
 237 }