1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
|
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <map>
#include "common/alignment.h"
#include "common/bit_util.h"
#include "core/core.h"
#include "video_core/engines/shader_bytecode.h"
#include "video_core/surface.h"
#include "video_core/texture_cache/surface_params.h"
namespace VideoCommon {
using VideoCore::Surface::ComponentTypeFromDepthFormat;
using VideoCore::Surface::ComponentTypeFromRenderTarget;
using VideoCore::Surface::ComponentTypeFromTexture;
using VideoCore::Surface::PixelFormat;
using VideoCore::Surface::PixelFormatFromDepthFormat;
using VideoCore::Surface::PixelFormatFromRenderTargetFormat;
using VideoCore::Surface::PixelFormatFromTextureFormat;
using VideoCore::Surface::SurfaceTarget;
using VideoCore::Surface::SurfaceTargetFromTextureType;
using VideoCore::Surface::SurfaceType;
SurfaceTarget TextureType2SurfaceTarget(Tegra::Shader::TextureType type, bool is_array) {
switch (type) {
case Tegra::Shader::TextureType::Texture1D: {
if (is_array)
return SurfaceTarget::Texture1DArray;
else
return SurfaceTarget::Texture1D;
}
case Tegra::Shader::TextureType::Texture2D: {
if (is_array)
return SurfaceTarget::Texture2DArray;
else
return SurfaceTarget::Texture2D;
}
case Tegra::Shader::TextureType::Texture3D: {
ASSERT(!is_array);
return SurfaceTarget::Texture3D;
}
case Tegra::Shader::TextureType::TextureCube: {
if (is_array)
return SurfaceTarget::TextureCubeArray;
else
return SurfaceTarget::TextureCubemap;
}
default: {
UNREACHABLE();
return SurfaceTarget::Texture2D;
}
}
}
namespace {
constexpr u32 GetMipmapSize(bool uncompressed, u32 mip_size, u32 tile) {
return uncompressed ? mip_size : std::max(1U, (mip_size + tile - 1) / tile);
}
} // Anonymous namespace
SurfaceParams SurfaceParams::CreateForTexture(Core::System& system,
const Tegra::Texture::FullTextureInfo& config,
const VideoCommon::Shader::Sampler& entry) {
SurfaceParams params;
params.is_tiled = config.tic.IsTiled();
params.srgb_conversion = config.tic.IsSrgbConversionEnabled();
params.block_width = params.is_tiled ? config.tic.BlockWidth() : 0,
params.block_height = params.is_tiled ? config.tic.BlockHeight() : 0,
params.block_depth = params.is_tiled ? config.tic.BlockDepth() : 0,
params.tile_width_spacing = params.is_tiled ? (1 << config.tic.tile_width_spacing.Value()) : 1;
params.pixel_format = PixelFormatFromTextureFormat(config.tic.format, config.tic.r_type.Value(),
params.srgb_conversion);
params.type = GetFormatType(params.pixel_format);
if (entry.IsShadow() && params.type == SurfaceType::ColorTexture) {
switch (params.pixel_format) {
case PixelFormat::R16F: {
params.pixel_format = PixelFormat::Z16;
break;
}
case PixelFormat::R32F: {
params.pixel_format = PixelFormat::Z32F;
break;
}
default: {
UNIMPLEMENTED_MSG("Unimplemented shadow convert format: {}",
static_cast<u32>(params.pixel_format));
}
}
params.type = GetFormatType(params.pixel_format);
}
params.component_type = ComponentTypeFromTexture(config.tic.r_type.Value());
params.type = GetFormatType(params.pixel_format);
// TODO: on 1DBuffer we should use the tic info.
if (!config.tic.IsBuffer()) {
params.target = TextureType2SurfaceTarget(entry.GetType(), entry.IsArray());
params.width = config.tic.Width();
params.height = config.tic.Height();
params.depth = config.tic.Depth();
params.pitch = params.is_tiled ? 0 : config.tic.Pitch();
if (params.target == SurfaceTarget::TextureCubemap ||
params.target == SurfaceTarget::TextureCubeArray) {
params.depth *= 6;
}
params.num_levels = config.tic.max_mip_level + 1;
params.emulated_levels = std::min(params.num_levels, params.MaxPossibleMipmap());
params.is_layered = params.IsLayered();
} else {
params.target = SurfaceTarget::TextureBuffer;
params.width = config.tic.Width();
params.pitch = params.width * params.GetBytesPerPixel();
params.height = 1;
params.depth = 1;
params.num_levels = 1;
params.emulated_levels = 1;
params.is_layered = false;
}
return params;
}
SurfaceParams SurfaceParams::CreateForDepthBuffer(
Core::System& system, u32 zeta_width, u32 zeta_height, Tegra::DepthFormat format,
u32 block_width, u32 block_height, u32 block_depth,
Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout type) {
SurfaceParams params;
params.is_tiled = type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
params.srgb_conversion = false;
params.block_width = std::min(block_width, 5U);
params.block_height = std::min(block_height, 5U);
params.block_depth = std::min(block_depth, 5U);
params.tile_width_spacing = 1;
params.pixel_format = PixelFormatFromDepthFormat(format);
params.component_type = ComponentTypeFromDepthFormat(format);
params.type = GetFormatType(params.pixel_format);
params.width = zeta_width;
params.height = zeta_height;
params.target = SurfaceTarget::Texture2D;
params.depth = 1;
params.pitch = 0;
params.num_levels = 1;
params.emulated_levels = 1;
params.is_layered = false;
return params;
}
SurfaceParams SurfaceParams::CreateForFramebuffer(Core::System& system, std::size_t index) {
const auto& config{system.GPU().Maxwell3D().regs.rt[index]};
SurfaceParams params;
params.is_tiled =
config.memory_layout.type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB ||
config.format == Tegra::RenderTargetFormat::RGBA8_SRGB;
params.block_width = config.memory_layout.block_width;
params.block_height = config.memory_layout.block_height;
params.block_depth = config.memory_layout.block_depth;
params.tile_width_spacing = 1;
params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
params.component_type = ComponentTypeFromRenderTarget(config.format);
params.type = GetFormatType(params.pixel_format);
if (params.is_tiled) {
params.pitch = 0;
params.width = config.width;
} else {
const u32 bpp = GetFormatBpp(params.pixel_format) / CHAR_BIT;
params.pitch = config.width;
params.width = params.pitch / bpp;
}
params.height = config.height;
params.depth = 1;
params.target = SurfaceTarget::Texture2D;
params.num_levels = 1;
params.emulated_levels = 1;
params.is_layered = false;
return params;
}
SurfaceParams SurfaceParams::CreateForFermiCopySurface(
const Tegra::Engines::Fermi2D::Regs::Surface& config) {
SurfaceParams params{};
params.is_tiled = !config.linear;
params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB ||
config.format == Tegra::RenderTargetFormat::RGBA8_SRGB;
params.block_width = params.is_tiled ? std::min(config.BlockWidth(), 5U) : 0,
params.block_height = params.is_tiled ? std::min(config.BlockHeight(), 5U) : 0,
params.block_depth = params.is_tiled ? std::min(config.BlockDepth(), 5U) : 0,
params.tile_width_spacing = 1;
params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
params.component_type = ComponentTypeFromRenderTarget(config.format);
params.type = GetFormatType(params.pixel_format);
params.width = config.width;
params.height = config.height;
params.pitch = config.pitch;
// TODO(Rodrigo): Try to guess the surface target from depth and layer parameters
params.target = SurfaceTarget::Texture2D;
params.depth = 1;
params.num_levels = 1;
params.emulated_levels = 1;
params.is_layered = params.IsLayered();
return params;
}
bool SurfaceParams::IsLayered() const {
switch (target) {
case SurfaceTarget::Texture1DArray:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubemap:
case SurfaceTarget::TextureCubeArray:
return true;
default:
return false;
}
}
// Auto block resizing algorithm from:
// https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/nouveau/nv50/nv50_miptree.c
u32 SurfaceParams::GetMipBlockHeight(u32 level) const {
if (level == 0) {
return this->block_height;
}
const u32 height_new{GetMipHeight(level)};
const u32 default_block_height{GetDefaultBlockHeight()};
const u32 blocks_in_y{(height_new + default_block_height - 1) / default_block_height};
const u32 block_height_new = Common::Log2Ceil32(blocks_in_y);
return std::clamp(block_height_new, 3U, 7U) - 3U;
}
u32 SurfaceParams::GetMipBlockDepth(u32 level) const {
if (level == 0) {
return this->block_depth;
}
if (is_layered) {
return 0;
}
const u32 depth_new{GetMipDepth(level)};
const u32 block_depth_new = Common::Log2Ceil32(depth_new);
if (block_depth_new > 4) {
return 5 - (GetMipBlockHeight(level) >= 2);
}
return block_depth_new;
}
std::size_t SurfaceParams::GetGuestMipmapLevelOffset(u32 level) const {
std::size_t offset = 0;
for (u32 i = 0; i < level; i++) {
offset += GetInnerMipmapMemorySize(i, false, false);
}
return offset;
}
std::size_t SurfaceParams::GetHostMipmapLevelOffset(u32 level) const {
std::size_t offset = 0;
for (u32 i = 0; i < level; i++) {
offset += GetInnerMipmapMemorySize(i, true, false) * GetNumLayers();
}
return offset;
}
std::size_t SurfaceParams::GetConvertedMipmapOffset(u32 level) const {
std::size_t offset = 0;
for (u32 i = 0; i < level; i++) {
offset += GetConvertedMipmapSize(i);
}
return offset;
}
std::size_t SurfaceParams::GetConvertedMipmapSize(u32 level) const {
constexpr std::size_t rgb8_bpp = 4ULL;
const std::size_t width_t = GetMipWidth(level);
const std::size_t height_t = GetMipHeight(level);
const std::size_t depth_t = is_layered ? depth : GetMipDepth(level);
return width_t * height_t * depth_t * rgb8_bpp;
}
std::size_t SurfaceParams::GetLayerSize(bool as_host_size, bool uncompressed) const {
std::size_t size = 0;
for (u32 level = 0; level < num_levels; ++level) {
size += GetInnerMipmapMemorySize(level, as_host_size, uncompressed);
}
if (is_tiled && is_layered) {
return Common::AlignBits(size,
Tegra::Texture::GetGOBSizeShift() + block_height + block_depth);
}
return size;
}
std::size_t SurfaceParams::GetInnerMipmapMemorySize(u32 level, bool as_host_size,
bool uncompressed) const {
const bool tiled{as_host_size ? false : is_tiled};
const u32 width{GetMipmapSize(uncompressed, GetMipWidth(level), GetDefaultBlockWidth())};
const u32 height{GetMipmapSize(uncompressed, GetMipHeight(level), GetDefaultBlockHeight())};
const u32 depth{is_layered ? 1U : GetMipDepth(level)};
return Tegra::Texture::CalculateSize(tiled, GetBytesPerPixel(), width, height, depth,
GetMipBlockHeight(level), GetMipBlockDepth(level));
}
bool SurfaceParams::operator==(const SurfaceParams& rhs) const {
return std::tie(is_tiled, block_width, block_height, block_depth, tile_width_spacing, width,
height, depth, pitch, num_levels, pixel_format, component_type, type, target) ==
std::tie(rhs.is_tiled, rhs.block_width, rhs.block_height, rhs.block_depth,
rhs.tile_width_spacing, rhs.width, rhs.height, rhs.depth, rhs.pitch,
rhs.num_levels, rhs.pixel_format, rhs.component_type, rhs.type, rhs.target);
}
std::string SurfaceParams::TargetName() const {
switch (target) {
case SurfaceTarget::Texture1D:
return "1D";
case SurfaceTarget::Texture2D:
return "2D";
case SurfaceTarget::Texture3D:
return "3D";
case SurfaceTarget::Texture1DArray:
return "1DArray";
case SurfaceTarget::Texture2DArray:
return "2DArray";
case SurfaceTarget::TextureCubemap:
return "Cube";
case SurfaceTarget::TextureCubeArray:
return "CubeArray";
default:
LOG_CRITICAL(HW_GPU, "Unimplemented surface_target={}", static_cast<u32>(target));
UNREACHABLE();
return fmt::format("TUK({})", static_cast<u32>(target));
}
}
} // namespace VideoCommon
|