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 "genxml/gen_macros.h"
  33 #include "genxml/genX_pack.h"
  34
  35 VkResult
  36 genX(init_device_state)(struct anv_device *device)
  37 {
  38    GENX(MEMORY_OBJECT_CONTROL_STATE_pack)(NULL, &device->default_mocs,
  39                                           &GENX(MOCS));
  40
  41    struct anv_batch batch;
  42
  43    uint32_t cmds[64];
  44    batch.start = batch.next = cmds;
  45    batch.end = (void *) cmds + sizeof(cmds);
  46
  47    anv_batch_emit(&batch, GENX(PIPELINE_SELECT),
  48 #if GEN_GEN >= 9
  49                   .MaskBits = 3,
  50 #endif
  51                   .PipelineSelection = _3D);
  52
  53    anv_batch_emit(&batch, GENX(3DSTATE_VF_STATISTICS),
  54                   .StatisticsEnable = true);
  55    anv_batch_emit(&batch, GENX(3DSTATE_HS));
  56    anv_batch_emit(&batch, GENX(3DSTATE_TE));
  57    anv_batch_emit(&batch, GENX(3DSTATE_DS));
  58
  59    anv_batch_emit(&batch, GENX(3DSTATE_STREAMOUT), .SOFunctionEnable = false);
  60    anv_batch_emit(&batch, GENX(3DSTATE_AA_LINE_PARAMETERS));
  61
  62 #if GEN_GEN >= 8
  63    anv_batch_emit(&batch, GENX(3DSTATE_WM_CHROMAKEY),
  64                   .ChromaKeyKillEnable = false);
  65
  66    /* See the Vulkan 1.0 spec Table 24.1 "Standard sample locations" and
  67     * VkPhysicalDeviceFeatures::standardSampleLocations.
  68     */
  69    anv_batch_emit(&batch, GENX(3DSTATE_SAMPLE_PATTERN),
  70       ._1xSample0XOffset      = 0.5,
  71       ._1xSample0YOffset      = 0.5,
  72       ._2xSample0XOffset      = 0.25,
  73       ._2xSample0YOffset      = 0.25,
  74       ._2xSample1XOffset      = 0.75,
  75       ._2xSample1YOffset      = 0.75,
  76       ._4xSample0XOffset      = 0.375,
  77       ._4xSample0YOffset      = 0.125,
  78       ._4xSample1XOffset      = 0.875,
  79       ._4xSample1YOffset      = 0.375,
  80       ._4xSample2XOffset      = 0.125,
  81       ._4xSample2YOffset      = 0.625,
  82       ._4xSample3XOffset      = 0.625,
  83       ._4xSample3YOffset      = 0.875,
  84       ._8xSample0XOffset      = 0.5625,
  85       ._8xSample0YOffset      = 0.3125,
  86       ._8xSample1XOffset      = 0.4375,
  87       ._8xSample1YOffset      = 0.6875,
  88       ._8xSample2XOffset      = 0.8125,
  89       ._8xSample2YOffset      = 0.5625,
  90       ._8xSample3XOffset      = 0.3125,
  91       ._8xSample3YOffset      = 0.1875,
  92       ._8xSample4XOffset      = 0.1875,
  93       ._8xSample4YOffset      = 0.8125,
  94       ._8xSample5XOffset      = 0.0625,
  95       ._8xSample5YOffset      = 0.4375,
  96       ._8xSample6XOffset      = 0.6875,
  97       ._8xSample6YOffset      = 0.9375,
  98       ._8xSample7XOffset      = 0.9375,
  99       ._8xSample7YOffset      = 0.0625,
 100 #if GEN_GEN >= 9
 101       ._16xSample0XOffset     = 0.5625,
 102       ._16xSample0YOffset     = 0.5625,
 103       ._16xSample1XOffset     = 0.4375,
 104       ._16xSample1YOffset     = 0.3125,
 105       ._16xSample2XOffset     = 0.3125,
 106       ._16xSample2YOffset     = 0.6250,
 107       ._16xSample3XOffset     = 0.7500,
 108       ._16xSample3YOffset     = 0.4375,
 109       ._16xSample4XOffset     = 0.1875,
 110       ._16xSample4YOffset     = 0.3750,
 111       ._16xSample5XOffset     = 0.6250,
 112       ._16xSample5YOffset     = 0.8125,
 113       ._16xSample6XOffset     = 0.8125,
 114       ._16xSample6YOffset     = 0.6875,
 115       ._16xSample7XOffset     = 0.6875,
 116       ._16xSample7YOffset     = 0.1875,
 117       ._16xSample8XOffset     = 0.3750,
 118       ._16xSample8YOffset     = 0.8750,
 119       ._16xSample9XOffset     = 0.5000,
 120       ._16xSample9YOffset     = 0.0625,
 121       ._16xSample10XOffset    = 0.2500,
 122       ._16xSample10YOffset    = 0.1250,
 123       ._16xSample11XOffset    = 0.1250,
 124       ._16xSample11YOffset    = 0.7500,
 125       ._16xSample12XOffset    = 0.0000,
 126       ._16xSample12YOffset    = 0.5000,
 127       ._16xSample13XOffset    = 0.9375,
 128       ._16xSample13YOffset    = 0.2500,
 129       ._16xSample14XOffset    = 0.8750,
 130       ._16xSample14YOffset    = 0.9375,
 131       ._16xSample15XOffset    = 0.0625,
 132       ._16xSample15YOffset    = 0.0000,
 133 #endif
 134    );
 135 #endif
 136
 137    anv_batch_emit(&batch, GENX(MI_BATCH_BUFFER_END));
 138
 139    assert(batch.next <= batch.end);
 140
 141    return anv_device_submit_simple_batch(device, &batch);
 142 }
 143
 144 static inline uint32_t
 145 vk_to_gen_tex_filter(VkFilter filter, bool anisotropyEnable)
 146 {
 147    switch (filter) {
 148    default:
 149       assert(!"Invalid filter");
 150    case VK_FILTER_NEAREST:
 151       return MAPFILTER_NEAREST;
 152    case VK_FILTER_LINEAR:
 153       return anisotropyEnable ? MAPFILTER_ANISOTROPIC : MAPFILTER_LINEAR;
 154    }
 155 }
 156
 157 static inline uint32_t
 158 vk_to_gen_max_anisotropy(float ratio)
 159 {
 160    return (anv_clamp_f(ratio, 2, 16) - 2) / 2;
 161 }
 162
 163 static const uint32_t vk_to_gen_mipmap_mode[] = {
 164    [VK_SAMPLER_MIPMAP_MODE_NEAREST]          = MIPFILTER_NEAREST,
 165    [VK_SAMPLER_MIPMAP_MODE_LINEAR]           = MIPFILTER_LINEAR
 166 };
 167
 168 static const uint32_t vk_to_gen_tex_address[] = {
 169    [VK_SAMPLER_ADDRESS_MODE_REPEAT]          = TCM_WRAP,
 170    [VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT] = TCM_MIRROR,
 171    [VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE]   = TCM_CLAMP,
 172    [VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE] = TCM_MIRROR_ONCE,
 173    [VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER] = TCM_CLAMP_BORDER,
 174 };
 175
 176 /* Vulkan specifies the result of shadow comparisons as:
 177  *     1     if   ref <op> texel,
 178  *     0     otherwise.
 179  *
 180  * The hardware does:
 181  *     0     if texel <op> ref,
 182  *     1     otherwise.
 183  *
 184  * So, these look a bit strange because there's both a negation
 185  * and swapping of the arguments involved.
 186  */
 187 static const uint32_t vk_to_gen_shadow_compare_op[] = {
 188    [VK_COMPARE_OP_NEVER]                        = PREFILTEROPALWAYS,
 189    [VK_COMPARE_OP_LESS]                         = PREFILTEROPLEQUAL,
 190    [VK_COMPARE_OP_EQUAL]                        = PREFILTEROPNOTEQUAL,
 191    [VK_COMPARE_OP_LESS_OR_EQUAL]                = PREFILTEROPLESS,
 192    [VK_COMPARE_OP_GREATER]                      = PREFILTEROPGEQUAL,
 193    [VK_COMPARE_OP_NOT_EQUAL]                    = PREFILTEROPEQUAL,
 194    [VK_COMPARE_OP_GREATER_OR_EQUAL]             = PREFILTEROPGREATER,
 195    [VK_COMPARE_OP_ALWAYS]                       = PREFILTEROPNEVER,
 196 };
 197
 198 VkResult genX(CreateSampler)(
 199     VkDevice                                    _device,
 200     const VkSamplerCreateInfo*                  pCreateInfo,
 201     const VkAllocationCallbacks*                pAllocator,
 202     VkSampler*                                  pSampler)
 203 {
 204    ANV_FROM_HANDLE(anv_device, device, _device);
 205    struct anv_sampler *sampler;
 206
 207    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO);
 208
 209    sampler = anv_alloc2(&device->alloc, pAllocator, sizeof(*sampler), 8,
 210                         VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 211    if (!sampler)
 212       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 213
 214    uint32_t border_color_offset = device->border_colors.offset +
 215                                   pCreateInfo->borderColor * 64;
 216
 217    struct GENX(SAMPLER_STATE) sampler_state = {
 218       .SamplerDisable = false,
 219       .TextureBorderColorMode = DX10OGL,
 220
 221 #if GEN_GEN >= 8
 222       .LODPreClampMode = CLAMP_MODE_OGL,
 223 #else
 224       .LODPreClampEnable = CLAMP_ENABLE_OGL,
 225 #endif
 226
 227 #if GEN_GEN == 8
 228       .BaseMipLevel = 0.0,
 229 #endif
 230       .MipModeFilter = vk_to_gen_mipmap_mode[pCreateInfo->mipmapMode],
 231       .MagModeFilter = vk_to_gen_tex_filter(pCreateInfo->magFilter,
 232                                             pCreateInfo->anisotropyEnable),
 233       .MinModeFilter = vk_to_gen_tex_filter(pCreateInfo->minFilter,
 234                                             pCreateInfo->anisotropyEnable),
 235       .TextureLODBias = anv_clamp_f(pCreateInfo->mipLodBias, -16, 15.996),
 236       .AnisotropicAlgorithm = EWAApproximation,
 237       .MinLOD = anv_clamp_f(pCreateInfo->minLod, 0, 14),
 238       .MaxLOD = anv_clamp_f(pCreateInfo->maxLod, 0, 14),
 239       .ChromaKeyEnable = 0,
 240       .ChromaKeyIndex = 0,
 241       .ChromaKeyMode = 0,
 242       .ShadowFunction = vk_to_gen_shadow_compare_op[pCreateInfo->compareOp],
 243       .CubeSurfaceControlMode = OVERRIDE,
 244
 245       .BorderColorPointer = border_color_offset,
 246
 247 #if GEN_GEN >= 8
 248       .LODClampMagnificationMode = MIPNONE,
 249 #endif
 250
 251       .MaximumAnisotropy = vk_to_gen_max_anisotropy(pCreateInfo->maxAnisotropy),
 252       .RAddressMinFilterRoundingEnable = 0,
 253       .RAddressMagFilterRoundingEnable = 0,
 254       .VAddressMinFilterRoundingEnable = 0,
 255       .VAddressMagFilterRoundingEnable = 0,
 256       .UAddressMinFilterRoundingEnable = 0,
 257       .UAddressMagFilterRoundingEnable = 0,
 258       .TrilinearFilterQuality = 0,
 259       .NonnormalizedCoordinateEnable = pCreateInfo->unnormalizedCoordinates,
 260       .TCXAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeU],
 261       .TCYAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeV],
 262       .TCZAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeW],
 263    };
 264
 265    GENX(SAMPLER_STATE_pack)(NULL, sampler->state, &sampler_state);
 266
 267    *pSampler = anv_sampler_to_handle(sampler);
 268
 269    return VK_SUCCESS;
 270 }