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    anv_batch_emit(&batch, GENX(3DSTATE_VF_STATISTICS), vfs)
  56       vfs.StatisticsEnable = true;
  57
  58    anv_batch_emit(&batch, GENX(3DSTATE_AA_LINE_PARAMETERS), aa);
  59
  60    anv_batch_emit(&batch, GENX(3DSTATE_DRAWING_RECTANGLE), rect) {
  61       rect.ClippedDrawingRectangleYMin = 0;
  62       rect.ClippedDrawingRectangleXMin = 0;
  63       rect.ClippedDrawingRectangleYMax = UINT16_MAX;
  64       rect.ClippedDrawingRectangleXMax = UINT16_MAX;
  65       rect.DrawingRectangleOriginY = 0;
  66       rect.DrawingRectangleOriginX = 0;
  67    }
  68
  69 #if GEN_GEN >= 8
  70    anv_batch_emit(&batch, GENX(3DSTATE_WM_CHROMAKEY), ck);
  71
  72    /* See the Vulkan 1.0 spec Table 24.1 "Standard sample locations" and
  73     * VkPhysicalDeviceFeatures::standardSampleLocations.
  74     */
  75    anv_batch_emit(&batch, GENX(3DSTATE_SAMPLE_PATTERN), sp) {
  76       GEN_SAMPLE_POS_1X(sp._1xSample);
  77       GEN_SAMPLE_POS_2X(sp._2xSample);
  78       GEN_SAMPLE_POS_4X(sp._4xSample);
  79       GEN_SAMPLE_POS_8X(sp._8xSample);
  80 #if GEN_GEN >= 9
  81       GEN_SAMPLE_POS_16X(sp._16xSample);
  82 #endif
  83    }
  84 #endif
  85
  86    anv_batch_emit(&batch, GENX(MI_BATCH_BUFFER_END), bbe);
  87
  88    assert(batch.next <= batch.end);
  89
  90    return anv_device_submit_simple_batch(device, &batch);
  91 }
  92
  93 static inline uint32_t
  94 vk_to_gen_tex_filter(VkFilter filter, bool anisotropyEnable)
  95 {
  96    switch (filter) {
  97    default:
  98       assert(!"Invalid filter");
  99    case VK_FILTER_NEAREST:
 100       return anisotropyEnable ? MAPFILTER_ANISOTROPIC : MAPFILTER_NEAREST;
 101    case VK_FILTER_LINEAR:
 102       return anisotropyEnable ? MAPFILTER_ANISOTROPIC : MAPFILTER_LINEAR;
 103    }
 104 }
 105
 106 static inline uint32_t
 107 vk_to_gen_max_anisotropy(float ratio)
 108 {
 109    return (anv_clamp_f(ratio, 2, 16) - 2) / 2;
 110 }
 111
 112 static const uint32_t vk_to_gen_mipmap_mode[] = {
 113    [VK_SAMPLER_MIPMAP_MODE_NEAREST]          = MIPFILTER_NEAREST,
 114    [VK_SAMPLER_MIPMAP_MODE_LINEAR]           = MIPFILTER_LINEAR
 115 };
 116
 117 static const uint32_t vk_to_gen_tex_address[] = {
 118    [VK_SAMPLER_ADDRESS_MODE_REPEAT]          = TCM_WRAP,
 119    [VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT] = TCM_MIRROR,
 120    [VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE]   = TCM_CLAMP,
 121    [VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE] = TCM_MIRROR_ONCE,
 122    [VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER] = TCM_CLAMP_BORDER,
 123 };
 124
 125 /* Vulkan specifies the result of shadow comparisons as:
 126  *     1     if   ref <op> texel,
 127  *     0     otherwise.
 128  *
 129  * The hardware does:
 130  *     0     if texel <op> ref,
 131  *     1     otherwise.
 132  *
 133  * So, these look a bit strange because there's both a negation
 134  * and swapping of the arguments involved.
 135  */
 136 static const uint32_t vk_to_gen_shadow_compare_op[] = {
 137    [VK_COMPARE_OP_NEVER]                        = PREFILTEROPALWAYS,
 138    [VK_COMPARE_OP_LESS]                         = PREFILTEROPLEQUAL,
 139    [VK_COMPARE_OP_EQUAL]                        = PREFILTEROPNOTEQUAL,
 140    [VK_COMPARE_OP_LESS_OR_EQUAL]                = PREFILTEROPLESS,
 141    [VK_COMPARE_OP_GREATER]                      = PREFILTEROPGEQUAL,
 142    [VK_COMPARE_OP_NOT_EQUAL]                    = PREFILTEROPEQUAL,
 143    [VK_COMPARE_OP_GREATER_OR_EQUAL]             = PREFILTEROPGREATER,
 144    [VK_COMPARE_OP_ALWAYS]                       = PREFILTEROPNEVER,
 145 };
 146
 147 VkResult genX(CreateSampler)(
 148     VkDevice                                    _device,
 149     const VkSamplerCreateInfo*                  pCreateInfo,
 150     const VkAllocationCallbacks*                pAllocator,
 151     VkSampler*                                  pSampler)
 152 {
 153    ANV_FROM_HANDLE(anv_device, device, _device);
 154    struct anv_sampler *sampler;
 155
 156    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO);
 157
 158    sampler = vk_alloc2(&device->alloc, pAllocator, sizeof(*sampler), 8,
 159                         VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 160    if (!sampler)
 161       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 162
 163    uint32_t border_color_offset = device->border_colors.offset +
 164                                   pCreateInfo->borderColor * 64;
 165
 166    bool enable_min_filter_addr_rounding =
 167       pCreateInfo->minFilter != VK_FILTER_NEAREST;
 168    bool enable_mag_filter_addr_rounding =
 169       pCreateInfo->magFilter != VK_FILTER_NEAREST;
 170
 171    struct GENX(SAMPLER_STATE) sampler_state = {
 172       .SamplerDisable = false,
 173       .TextureBorderColorMode = DX10OGL,
 174
 175 #if GEN_GEN >= 8
 176       .LODPreClampMode = CLAMP_MODE_OGL,
 177 #else
 178       .LODPreClampEnable = CLAMP_ENABLE_OGL,
 179 #endif
 180
 181 #if GEN_GEN == 8
 182       .BaseMipLevel = 0.0,
 183 #endif
 184       .MipModeFilter = vk_to_gen_mipmap_mode[pCreateInfo->mipmapMode],
 185       .MagModeFilter = vk_to_gen_tex_filter(pCreateInfo->magFilter,
 186                                             pCreateInfo->anisotropyEnable),
 187       .MinModeFilter = vk_to_gen_tex_filter(pCreateInfo->minFilter,
 188                                             pCreateInfo->anisotropyEnable),
 189       .TextureLODBias = anv_clamp_f(pCreateInfo->mipLodBias, -16, 15.996),
 190       .AnisotropicAlgorithm = EWAApproximation,
 191       .MinLOD = anv_clamp_f(pCreateInfo->minLod, 0, 14),
 192       .MaxLOD = anv_clamp_f(pCreateInfo->maxLod, 0, 14),
 193       .ChromaKeyEnable = 0,
 194       .ChromaKeyIndex = 0,
 195       .ChromaKeyMode = 0,
 196       .ShadowFunction = vk_to_gen_shadow_compare_op[pCreateInfo->compareOp],
 197       .CubeSurfaceControlMode = OVERRIDE,
 198
 199       .BorderColorPointer = border_color_offset,
 200
 201 #if GEN_GEN >= 8
 202       .LODClampMagnificationMode = MIPNONE,
 203 #endif
 204
 205       .MaximumAnisotropy = vk_to_gen_max_anisotropy(pCreateInfo->maxAnisotropy),
 206       .RAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
 207       .RAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
 208       .VAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
 209       .VAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
 210       .UAddressMinFilterRoundingEnable = enable_min_filter_addr_rounding,
 211       .UAddressMagFilterRoundingEnable = enable_mag_filter_addr_rounding,
 212       .TrilinearFilterQuality = 0,
 213       .NonnormalizedCoordinateEnable = pCreateInfo->unnormalizedCoordinates,
 214       .TCXAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeU],
 215       .TCYAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeV],
 216       .TCZAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeW],
 217    };
 218
 219    GENX(SAMPLER_STATE_pack)(NULL, sampler->state, &sampler_state);
 220
 221    *pSampler = anv_sampler_to_handle(sampler);
 222
 223    return VK_SUCCESS;
 224 }