// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/common_types.h"
#include "common/scope_exit.h"
#include "video_core/morton.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_texture_cache.h"
#include "video_core/renderer_opengl/utils.h"
#include "video_core/texture_cache.h"
#include "video_core/textures/convert.h"
#include "video_core/textures/texture.h"
namespace OpenGL {
using Tegra::Texture::ConvertFromGuestToHost;
using Tegra::Texture::SwizzleSource;
using VideoCore::MortonSwizzleMode;
namespace {
struct FormatTuple {
GLint internal_format;
GLenum format;
GLenum type;
ComponentType component_type;
bool compressed;
};
constexpr std::array<FormatTuple, VideoCore::Surface::MaxPixelFormat> tex_format_tuples = {{
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, ComponentType::UNorm, false}, // ABGR8U
{GL_RGBA8, GL_RGBA, GL_BYTE, ComponentType::SNorm, false}, // ABGR8S
{GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, ComponentType::UInt, false}, // ABGR8UI
{GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, ComponentType::UNorm, false}, // B5G6R5U
{GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, ComponentType::UNorm,
false}, // A2B10G10R10U
{GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, ComponentType::UNorm, false}, // A1B5G5R5U
{GL_R8, GL_RED, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // R8U
{GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE, ComponentType::UInt, false}, // R8UI
{GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, ComponentType::Float, false}, // RGBA16F
{GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT, ComponentType::UNorm, false}, // RGBA16U
{GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, ComponentType::UInt, false}, // RGBA16UI
{GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, ComponentType::Float,
false}, // R11FG11FB10F
{GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT, ComponentType::UInt, false}, // RGBA32UI
{GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
true}, // DXT1
{GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
true}, // DXT23
{GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
true}, // DXT45
{GL_COMPRESSED_RED_RGTC1, GL_RED, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, true}, // DXN1
{GL_COMPRESSED_RG_RGTC2, GL_RG, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
true}, // DXN2UNORM
{GL_COMPRESSED_SIGNED_RG_RGTC2, GL_RG, GL_INT, ComponentType::SNorm, true}, // DXN2SNORM
{GL_COMPRESSED_RGBA_BPTC_UNORM, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
true}, // BC7U
{GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, GL_RGB, GL_UNSIGNED_INT_8_8_8_8, ComponentType::Float,
true}, // BC6H_UF16
{GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT, GL_RGB, GL_UNSIGNED_INT_8_8_8_8, ComponentType::Float,
true}, // BC6H_SF16
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_4X4
{GL_RGBA8, GL_BGRA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // BGRA8
{GL_RGBA32F, GL_RGBA, GL_FLOAT, ComponentType::Float, false}, // RGBA32F
{GL_RG32F, GL_RG, GL_FLOAT, ComponentType::Float, false}, // RG32F
{GL_R32F, GL_RED, GL_FLOAT, ComponentType::Float, false}, // R32F
{GL_R16F, GL_RED, GL_HALF_FLOAT, ComponentType::Float, false}, // R16F
{GL_R16, GL_RED, GL_UNSIGNED_SHORT, ComponentType::UNorm, false}, // R16U
{GL_R16_SNORM, GL_RED, GL_SHORT, ComponentType::SNorm, false}, // R16S
{GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT, ComponentType::UInt, false}, // R16UI
{GL_R16I, GL_RED_INTEGER, GL_SHORT, ComponentType::SInt, false}, // R16I
{GL_RG16, GL_RG, GL_UNSIGNED_SHORT, ComponentType::UNorm, false}, // RG16
{GL_RG16F, GL_RG, GL_HALF_FLOAT, ComponentType::Float, false}, // RG16F
{GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT, ComponentType::UInt, false}, // RG16UI
{GL_RG16I, GL_RG_INTEGER, GL_SHORT, ComponentType::SInt, false}, // RG16I
{GL_RG16_SNORM, GL_RG, GL_SHORT, ComponentType::SNorm, false}, // RG16S
{GL_RGB32F, GL_RGB, GL_FLOAT, ComponentType::Float, false}, // RGB32F
{GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, ComponentType::UNorm,
false}, // RGBA8_SRGB
{GL_RG8, GL_RG, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // RG8U
{GL_RG8, GL_RG, GL_BYTE, ComponentType::SNorm, false}, // RG8S
{GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT, ComponentType::UInt, false}, // RG32UI
{GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT, ComponentType::UInt, false}, // R32UI
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X8
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X5
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_5X4
{GL_SRGB8_ALPHA8, GL_BGRA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // BGRA8
// Compressed sRGB formats
{GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
true}, // DXT1_SRGB
{GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
true}, // DXT23_SRGB
{GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
true}, // DXT45_SRGB
{GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
true}, // BC7U_SRGB
{GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_4X4_SRGB
{GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X8_SRGB
{GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X5_SRGB
{GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_5X4_SRGB
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_5X5
{GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_5X5_SRGB
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_10X8
{GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_10X8_SRGB
// Depth formats
{GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, ComponentType::Float, false}, // Z32F
{GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, ComponentType::UNorm,
false}, // Z16
// DepthStencil formats
{GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, ComponentType::UNorm,
false}, // Z24S8
{GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, ComponentType::UNorm,
false}, // S8Z24
{GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV,
ComponentType::Float, false}, // Z32FS8
}};
const FormatTuple& GetFormatTuple(PixelFormat pixel_format, ComponentType component_type) {
ASSERT(static_cast<std::size_t>(pixel_format) < tex_format_tuples.size());
const auto& format{tex_format_tuples[static_cast<std::size_t>(pixel_format)]};
ASSERT(component_type == format.component_type);
return format;
}
GLenum GetTextureTarget(const SurfaceParams& params) {
switch (params.GetTarget()) {
case SurfaceTarget::Texture1D:
return GL_TEXTURE_1D;
case SurfaceTarget::Texture2D:
return GL_TEXTURE_2D;
case SurfaceTarget::Texture3D:
return GL_TEXTURE_3D;
case SurfaceTarget::Texture1DArray:
return GL_TEXTURE_1D_ARRAY;
case SurfaceTarget::Texture2DArray:
return GL_TEXTURE_2D_ARRAY;
case SurfaceTarget::TextureCubemap:
return GL_TEXTURE_CUBE_MAP;
case SurfaceTarget::TextureCubeArray:
return GL_TEXTURE_CUBE_MAP_ARRAY;
}
UNREACHABLE();
return {};
}
GLint GetSwizzleSource(SwizzleSource source) {
switch (source) {
case SwizzleSource::Zero:
return GL_ZERO;
case SwizzleSource::R:
return GL_RED;
case SwizzleSource::G:
return GL_GREEN;
case SwizzleSource::B:
return GL_BLUE;
case SwizzleSource::A:
return GL_ALPHA;
case SwizzleSource::OneInt:
case SwizzleSource::OneFloat:
return GL_ONE;
}
UNREACHABLE();
return GL_NONE;
}
void ApplyTextureDefaults(const SurfaceParams& params, GLuint texture) {
glTextureParameteri(texture, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTextureParameteri(texture, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTextureParameteri(texture, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTextureParameteri(texture, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTextureParameteri(texture, GL_TEXTURE_MAX_LEVEL, params.GetNumLevels() - 1);
if (params.GetNumLevels() == 1) {
glTextureParameterf(texture, GL_TEXTURE_LOD_BIAS, 1000.0f);
}
}
OGLTexture CreateTexture(const SurfaceParams& params, GLenum target, GLenum internal_format) {
OGLTexture texture;
texture.Create(target);
switch (params.GetTarget()) {
case SurfaceTarget::Texture1D:
glTextureStorage1D(texture.handle, params.GetNumLevels(), internal_format,
params.GetWidth());
break;
case SurfaceTarget::Texture2D:
case SurfaceTarget::TextureCubemap:
glTextureStorage2D(texture.handle, params.GetNumLevels(), internal_format,
params.GetWidth(), params.GetHeight());
break;
case SurfaceTarget::Texture3D:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubeArray:
glTextureStorage3D(texture.handle, params.GetNumLevels(), internal_format,
params.GetWidth(), params.GetHeight(), params.GetDepth());
break;
default:
UNREACHABLE();
}
ApplyTextureDefaults(params, texture.handle);
return texture;
}
void SwizzleFunc(MortonSwizzleMode mode, u8* memory, const SurfaceParams& params, u8* buffer,
u32 level) {
const u32 width{params.GetMipWidth(level)};
const u32 height{params.GetMipHeight(level)};
const u32 block_height{params.GetMipBlockHeight(level)};
const u32 block_depth{params.GetMipBlockDepth(level)};
std::size_t guest_offset{params.GetGuestMipmapLevelOffset(level)};
if (params.IsLayered()) {
std::size_t host_offset{0};
const std::size_t guest_stride = params.GetGuestLayerSize();
const std::size_t host_stride = params.GetHostLayerSize(level);
for (u32 layer = 0; layer < params.GetNumLayers(); layer++) {
MortonSwizzle(mode, params.GetPixelFormat(), width, block_height, height, block_depth,
1, params.GetTileWidthSpacing(), buffer + host_offset,
memory + guest_offset);
guest_offset += guest_stride;
host_offset += host_stride;
}
} else {
MortonSwizzle(mode, params.GetPixelFormat(), width, block_height, height, block_depth,
params.GetMipDepth(level), params.GetTileWidthSpacing(), buffer,
memory + guest_offset);
}
}
} // Anonymous namespace
CachedSurface::CachedSurface(TextureCacheOpenGL& texture_cache, const SurfaceParams& params)
: VideoCommon::SurfaceBaseContextless<TextureCacheOpenGL, CachedSurfaceView>{texture_cache,
params} {
const auto& tuple{GetFormatTuple(params.GetPixelFormat(), params.GetComponentType())};
internal_format = tuple.internal_format;
format = tuple.format;
type = tuple.type;
is_compressed = tuple.compressed;
target = GetTextureTarget(params);
texture = CreateTexture(params, target, internal_format);
staging_buffer.resize(params.GetHostSizeInBytes());
}
CachedSurface::~CachedSurface() = default;
void CachedSurface::LoadBuffer() {
if (params.IsTiled()) {
ASSERT_MSG(params.GetBlockWidth() == 1, "Block width is defined as {} on texture target {}",
params.GetBlockWidth(), static_cast<u32>(params.GetTarget()));
for (u32 level = 0; level < params.GetNumLevels(); ++level) {
u8* const buffer{staging_buffer.data() + params.GetHostMipmapLevelOffset(level)};
SwizzleFunc(MortonSwizzleMode::MortonToLinear, GetHostPtr(), params, buffer, level);
}
} else {
ASSERT_MSG(params.GetNumLevels() == 1, "Linear mipmap loading is not implemented");
const u32 bpp{GetFormatBpp(params.GetPixelFormat()) / CHAR_BIT};
const u32 block_width{VideoCore::Surface::GetDefaultBlockWidth(params.GetPixelFormat())};
const u32 block_height{VideoCore::Surface::GetDefaultBlockHeight(params.GetPixelFormat())};
const u32 width{(params.GetWidth() + block_width - 1) / block_width};
const u32 height{(params.GetHeight() + block_height - 1) / block_height};
const u32 copy_size{width * bpp};
if (params.GetPitch() == copy_size) {
std::memcpy(staging_buffer.data(), GetHostPtr(), params.GetHostSizeInBytes());
} else {
const u8* start{GetHostPtr()};
u8* write_to{staging_buffer.data()};
for (u32 h = height; h > 0; --h) {
std::memcpy(write_to, start, copy_size);
start += params.GetPitch();
write_to += copy_size;
}
}
}
for (u32 level = 0; level < params.GetNumLevels(); ++level) {
ConvertFromGuestToHost(staging_buffer.data() + params.GetHostMipmapLevelOffset(level),
params.GetPixelFormat(), params.GetMipWidth(level),
params.GetMipHeight(level), params.GetMipDepth(level), true, true);
}
}
void CachedSurface::FlushBufferImpl() {
LOG_CRITICAL(Render_OpenGL, "Flushing");
if (!IsModified()) {
return;
}
// TODO(Rodrigo): Optimize alignment
glPixelStorei(GL_PACK_ALIGNMENT, 1);
SCOPE_EXIT({ glPixelStorei(GL_PACK_ROW_LENGTH, 0); });
for (u32 level = 0; level < params.GetNumLevels(); ++level) {
glPixelStorei(GL_PACK_ROW_LENGTH, static_cast<GLint>(params.GetMipWidth(level)));
if (is_compressed) {
glGetCompressedTextureImage(
texture.handle, level, static_cast<GLsizei>(params.GetHostMipmapSize(level)),
staging_buffer.data() + params.GetHostMipmapLevelOffset(level));
} else {
glGetTextureImage(texture.handle, level, format, type,
static_cast<GLsizei>(params.GetHostMipmapSize(level)),
staging_buffer.data() + params.GetHostMipmapLevelOffset(level));
}
}
if (params.IsTiled()) {
ASSERT_MSG(params.GetBlockWidth() == 1, "Block width is defined as {}",
params.GetBlockWidth());
for (u32 level = 0; level < params.GetNumLevels(); ++level) {
u8* const buffer = staging_buffer.data() + params.GetHostMipmapLevelOffset(level);
SwizzleFunc(MortonSwizzleMode::LinearToMorton, GetHostPtr(), params, buffer, level);
}
} else {
UNIMPLEMENTED();
/*
ASSERT(params.GetTarget() == SurfaceTarget::Texture2D);
ASSERT(params.GetNumLevels() == 1);
const u32 bpp{params.GetFormatBpp() / 8};
const u32 copy_size{params.GetWidth() * bpp};
if (params.GetPitch() == copy_size) {
std::memcpy(host_ptr, staging_buffer.data(), GetSizeInBytes());
} else {
u8* start{host_ptr};
const u8* read_to{staging_buffer.data()};
for (u32 h = params.GetHeight(); h > 0; --h) {
std::memcpy(start, read_to, copy_size);
start += params.GetPitch();
read_to += copy_size;
}
}
*/
}
}
void CachedSurface::UploadTextureImpl() {
for (u32 level = 0; level < params.GetNumLevels(); ++level) {
UploadTextureMipmap(level);
}
}
void CachedSurface::UploadTextureMipmap(u32 level) {
u8* buffer{staging_buffer.data() + params.GetHostMipmapLevelOffset(level)};
// TODO(Rodrigo): Optimize alignment
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(params.GetMipWidth(level)));
SCOPE_EXIT({ glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); });
if (is_compressed) {
const auto image_size{static_cast<GLsizei>(params.GetHostMipmapSize(level))};
switch (params.GetTarget()) {
case SurfaceTarget::Texture2D:
glCompressedTextureSubImage2D(texture.handle, level, 0, 0,
static_cast<GLsizei>(params.GetMipWidth(level)),
static_cast<GLsizei>(params.GetMipHeight(level)),
internal_format, image_size, buffer);
break;
case SurfaceTarget::Texture3D:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubeArray:
glCompressedTextureSubImage3D(texture.handle, level, 0, 0, 0,
static_cast<GLsizei>(params.GetMipWidth(level)),
static_cast<GLsizei>(params.GetMipHeight(level)),
static_cast<GLsizei>(params.GetMipDepth(level)),
internal_format, image_size, buffer);
break;
case SurfaceTarget::TextureCubemap: {
const std::size_t layer_size{params.GetHostLayerSize(level)};
for (std::size_t face = 0; face < params.GetDepth(); ++face) {
glCompressedTextureSubImage3D(texture.handle, level, 0, 0, static_cast<GLint>(face),
static_cast<GLsizei>(params.GetMipWidth(level)),
static_cast<GLsizei>(params.GetMipHeight(level)), 1,
internal_format, static_cast<GLsizei>(layer_size),
buffer);
buffer += layer_size;
}
break;
}
default:
UNREACHABLE();
}
} else {
switch (params.GetTarget()) {
case SurfaceTarget::Texture1D:
glTextureSubImage1D(texture.handle, level, 0, params.GetMipWidth(level), format, type,
buffer);
break;
case SurfaceTarget::Texture1DArray:
case SurfaceTarget::Texture2D:
glTextureSubImage2D(texture.handle, level, 0, 0, params.GetMipWidth(level),
params.GetMipHeight(level), format, type, buffer);
break;
case SurfaceTarget::Texture3D:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubeArray:
glTextureSubImage3D(
texture.handle, level, 0, 0, 0, static_cast<GLsizei>(params.GetMipWidth(level)),
static_cast<GLsizei>(params.GetMipHeight(level)),
static_cast<GLsizei>(params.GetMipDepth(level)), format, type, buffer);
break;
case SurfaceTarget::TextureCubemap:
for (std::size_t face = 0; face < params.GetDepth(); ++face) {
glTextureSubImage3D(texture.handle, level, 0, 0, static_cast<GLint>(face),
params.GetMipWidth(level), params.GetMipHeight(level), 1,
format, type, buffer);
buffer += params.GetHostLayerSize(level);
}
break;
default:
UNREACHABLE();
}
}
}
void CachedSurface::DecorateSurfaceName() {
LabelGLObject(GL_TEXTURE, texture.handle, GetGpuAddr());
}
std::unique_ptr<CachedSurfaceView> CachedSurface::CreateView(const ViewKey& view_key) {
return std::make_unique<CachedSurfaceView>(*this, view_key);
}
CachedSurfaceView::CachedSurfaceView(CachedSurface& surface, ViewKey key)
: surface{surface}, key{key}, params{surface.GetSurfaceParams()} {}
CachedSurfaceView::~CachedSurfaceView() = default;
void CachedSurfaceView::Attach(GLenum attachment) const {
ASSERT(key.num_layers == 1 && key.num_levels == 1);
switch (params.GetTarget()) {
case SurfaceTarget::Texture1D:
glFramebufferTexture1D(GL_DRAW_FRAMEBUFFER, attachment, surface.GetTarget(),
surface.GetTexture(), key.base_level);
break;
case SurfaceTarget::Texture2D:
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, attachment, surface.GetTarget(),
surface.GetTexture(), key.base_level);
break;
case SurfaceTarget::Texture1DArray:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubemap:
case SurfaceTarget::TextureCubeArray:
glFramebufferTextureLayer(GL_DRAW_FRAMEBUFFER, attachment, surface.GetTexture(),
key.base_level, key.base_layer);
break;
default:
UNIMPLEMENTED();
}
}
GLuint CachedSurfaceView::GetTexture(Tegra::Shader::TextureType texture_type, bool is_array,
SwizzleSource x_source, SwizzleSource y_source,
SwizzleSource z_source, SwizzleSource w_source) {
const auto [texture_view, target] = GetTextureView(texture_type, is_array);
if (texture_view.get().texture.handle == 0) {
texture_view.get() = std::move(CreateTextureView(target));
}
ApplySwizzle(texture_view, x_source, y_source, z_source, w_source);
return texture_view.get().texture.handle;
}
void CachedSurfaceView::ApplySwizzle(TextureView& texture_view, SwizzleSource x_source,
SwizzleSource y_source, SwizzleSource z_source,
SwizzleSource w_source) {
const std::array<SwizzleSource, 4> swizzle = {x_source, y_source, z_source, w_source};
if (swizzle == texture_view.swizzle) {
return;
}
const std::array<GLint, 4> gl_swizzle = {GetSwizzleSource(x_source), GetSwizzleSource(y_source),
GetSwizzleSource(z_source),
GetSwizzleSource(w_source)};
glTextureParameteriv(texture_view.texture.handle, GL_TEXTURE_SWIZZLE_RGBA, gl_swizzle.data());
texture_view.swizzle = swizzle;
}
CachedSurfaceView::TextureView CachedSurfaceView::CreateTextureView(GLenum target) const {
TextureView texture_view;
glGenTextures(1, &texture_view.texture.handle);
const GLuint handle{texture_view.texture.handle};
const FormatTuple& tuple{GetFormatTuple(params.GetPixelFormat(), params.GetComponentType())};
glTextureView(handle, target, surface.texture.handle, tuple.internal_format, key.base_level,
key.num_levels, key.base_layer, key.num_layers);
ApplyTextureDefaults(params, handle);
return texture_view;
}
std::pair<std::reference_wrapper<CachedSurfaceView::TextureView>, GLenum>
CachedSurfaceView::GetTextureView(Tegra::Shader::TextureType texture_type, bool is_array) {
using Pair = std::pair<std::reference_wrapper<TextureView>, GLenum>;
switch (texture_type) {
case Tegra::Shader::TextureType::Texture1D:
return is_array ? Pair{texture_view_1d_array, GL_TEXTURE_1D_ARRAY}
: Pair{texture_view_1d, GL_TEXTURE_1D};
case Tegra::Shader::TextureType::Texture2D:
return is_array ? Pair{texture_view_2d_array, GL_TEXTURE_2D_ARRAY}
: Pair{texture_view_2d, GL_TEXTURE_2D};
case Tegra::Shader::TextureType::Texture3D:
ASSERT(!is_array);
return {texture_view_3d, GL_TEXTURE_3D};
case Tegra::Shader::TextureType::TextureCube:
return is_array ? Pair{texture_view_cube_array, GL_TEXTURE_CUBE_MAP_ARRAY}
: Pair{texture_view_cube, GL_TEXTURE_CUBE_MAP};
}
UNREACHABLE();
}
TextureCacheOpenGL::TextureCacheOpenGL(Core::System& system,
VideoCore::RasterizerInterface& rasterizer)
: TextureCacheBase{system, rasterizer} {}
TextureCacheOpenGL::~TextureCacheOpenGL() = default;
CachedSurfaceView* TextureCacheOpenGL::TryFastGetSurfaceView(GPUVAddr gpu_addr, VAddr cpu_addr,
u8* host_ptr,
const SurfaceParams& new_params,
bool preserve_contents,
const std::vector<Surface>& overlaps) {
if (overlaps.size() > 1) {
return TryCopyAsViews(gpu_addr, cpu_addr, host_ptr, new_params, overlaps);
}
const auto& old_surface{overlaps[0]};
const auto& old_params{old_surface->GetSurfaceParams()};
if (old_params.GetTarget() == new_params.GetTarget() &&
old_params.GetDepth() == new_params.GetDepth() && old_params.GetDepth() == 1 &&
old_params.GetNumLevels() == new_params.GetNumLevels() &&
old_params.GetPixelFormat() == new_params.GetPixelFormat()) {
return SurfaceCopy(gpu_addr, cpu_addr, host_ptr, new_params, old_surface, old_params);
}
return nullptr;
}
CachedSurfaceView* TextureCacheOpenGL::SurfaceCopy(GPUVAddr gpu_addr, VAddr cpu_addr, u8* host_ptr,
const SurfaceParams& new_params,
const Surface& old_surface,
const SurfaceParams& old_params) {
const auto new_surface{GetUncachedSurface(new_params)};
Register(new_surface, gpu_addr, cpu_addr, host_ptr);
const u32 min_width{
std::max(old_params.GetDefaultBlockWidth(), new_params.GetDefaultBlockWidth())};
const u32 min_height{
std::max(old_params.GetDefaultBlockHeight(), new_params.GetDefaultBlockHeight())};
for (u32 level = 0; level < old_params.GetNumLevels(); ++level) {
const u32 width{std::min(old_params.GetMipWidth(level), new_params.GetMipWidth(level))};
const u32 height{std::min(old_params.GetMipHeight(level), new_params.GetMipHeight(level))};
if (width < min_width || height < min_height) {
// Avoid copies that are too small to be handled in OpenGL
break;
}
glCopyImageSubData(old_surface->GetTexture(), old_surface->GetTarget(), level, 0, 0, 0,
new_surface->GetTexture(), new_surface->GetTarget(), level, 0, 0, 0,
width, height, 1);
}
new_surface->MarkAsModified(true);
// TODO(Rodrigo): Add an entry to directly get the superview
return new_surface->GetView(gpu_addr, new_params);
}
CachedSurfaceView* TextureCacheOpenGL::TryCopyAsViews(GPUVAddr gpu_addr, VAddr cpu_addr,
u8* host_ptr, const SurfaceParams& new_params,
const std::vector<Surface>& overlaps) {
if (new_params.GetTarget() == SurfaceTarget::Texture1D ||
new_params.GetTarget() == SurfaceTarget::Texture1DArray ||
new_params.GetTarget() == SurfaceTarget::Texture3D) {
// Non-2D textures are not handled at the moment in this fast path.
return nullptr;
}
const auto new_surface{GetUncachedSurface(new_params)};
// TODO(Rodrigo): Move this down
Register(new_surface, gpu_addr, cpu_addr, host_ptr);
// TODO(Rodrigo): Find a way to avoid heap allocations here.
std::vector<CachedSurfaceView*> views;
views.reserve(overlaps.size());
for (const auto& overlap : overlaps) {
const auto view{
new_surface->TryGetView(overlap->GetGpuAddr(), overlap->GetSurfaceParams())};
if (!view) {
// TODO(Rodrigo): Remove this
Unregister(new_surface);
return nullptr;
}
views.push_back(view);
}
// TODO(Rodrigo): It's possible that these method leaves some unloaded textures if the data has
// been uploaded to guest memory but not used as a surface previously.
for (std::size_t i = 0; i < overlaps.size(); ++i) {
const auto& overlap{overlaps[i]};
const auto& view{views[i]};
for (u32 overlap_level = 0; overlap_level < view->GetNumLevels(); ++overlap_level) {
const u32 super_level{view->GetBaseLevel() + overlap_level};
glCopyImageSubData(overlap->GetTexture(), overlap->GetTarget(), overlap_level, 0, 0, 0,
new_surface->GetTexture(), new_surface->GetTarget(), super_level, 0,
0, view->GetBaseLayer(), view->GetWidth(), view->GetHeight(),
view->GetNumLayers());
}
}
new_surface->MarkAsModified(true);
// TODO(Rodrigo): Add an entry to directly get the superview
return new_surface->GetView(gpu_addr, new_params);
}
Surface TextureCacheOpenGL::CreateSurface(const SurfaceParams& params) {
return std::make_unique<CachedSurface>(*this, params);
}
} // namespace OpenGL