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|
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <map>
#include <memory>
#include <vector>
#include <boost/icl/interval_map.hpp>
#include "common/common_types.h"
#include "common/math_util.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/textures/texture.h"
class CachedSurface;
using Surface = std::shared_ptr<CachedSurface>;
using SurfaceSurfaceRect_Tuple = std::tuple<Surface, Surface, MathUtil::Rectangle<u32>>;
using PageMap = boost::icl::interval_map<u64, int>;
struct SurfaceParams {
enum class PixelFormat {
ABGR8U = 0,
ABGR8S = 1,
B5G6R5 = 2,
A2B10G10R10 = 3,
A1B5G5R5 = 4,
R8 = 5,
R8UI = 6,
RGBA16F = 7,
RGBA16U = 8,
RGBA16UI = 9,
R11FG11FB10F = 10,
RGBA32UI = 11,
DXT1 = 12,
DXT23 = 13,
DXT45 = 14,
DXN1 = 15, // This is also known as BC4
DXN2UNORM = 16,
DXN2SNORM = 17,
BC7U = 18,
ASTC_2D_4X4 = 19,
G8R8U = 20,
G8R8S = 21,
BGRA8 = 22,
RGBA32F = 23,
RG32F = 24,
R32F = 25,
R16F = 26,
R16UNORM = 27,
R16S = 28,
R16UI = 29,
R16I = 30,
RG16 = 31,
RG16F = 32,
RG16UI = 33,
RG16I = 34,
RG16S = 35,
RGB32F = 36,
SRGBA8 = 37,
RG8U = 38,
RG8S = 39,
RG32UI = 40,
R32UI = 41,
MaxColorFormat,
// DepthStencil formats
Z24S8 = 42,
S8Z24 = 43,
Z32F = 44,
Z16 = 45,
Z32FS8 = 46,
MaxDepthStencilFormat,
Max = MaxDepthStencilFormat,
Invalid = 255,
};
static constexpr size_t MaxPixelFormat = static_cast<size_t>(PixelFormat::Max);
enum class ComponentType {
Invalid = 0,
SNorm = 1,
UNorm = 2,
SInt = 3,
UInt = 4,
Float = 5,
};
enum class SurfaceType {
ColorTexture = 0,
Depth = 1,
DepthStencil = 2,
Fill = 3,
Invalid = 4,
};
/**
* Gets the compression factor for the specified PixelFormat. This applies to just the
* "compressed width" and "compressed height", not the overall compression factor of a
* compressed image. This is used for maintaining proper surface sizes for compressed
* texture formats.
*/
static constexpr u32 GetCompressionFactor(PixelFormat format) {
if (format == PixelFormat::Invalid)
return 0;
constexpr std::array<u32, MaxPixelFormat> compression_factor_table = {{
1, // ABGR8U
1, // ABGR8S
1, // B5G6R5
1, // A2B10G10R10
1, // A1B5G5R5
1, // R8
1, // R8UI
1, // RGBA16F
1, // RGBA16U
1, // RGBA16UI
1, // R11FG11FB10F
1, // RGBA32UI
4, // DXT1
4, // DXT23
4, // DXT45
4, // DXN1
4, // DXN2UNORM
4, // DXN2SNORM
4, // BC7U
4, // ASTC_2D_4X4
1, // G8R8U
1, // G8R8S
1, // BGRA8
1, // RGBA32F
1, // RG32F
1, // R32F
1, // R16F
1, // R16UNORM
1, // R16S
1, // R16UI
1, // R16I
1, // RG16
1, // RG16F
1, // RG16UI
1, // RG16I
1, // RG16S
1, // RGB32F
1, // SRGBA8
1, // RG8U
1, // RG8S
1, // RG32UI
1, // R32UI
1, // Z24S8
1, // S8Z24
1, // Z32F
1, // Z16
1, // Z32FS8
}};
ASSERT(static_cast<size_t>(format) < compression_factor_table.size());
return compression_factor_table[static_cast<size_t>(format)];
}
static constexpr u32 GetFormatBpp(PixelFormat format) {
if (format == PixelFormat::Invalid)
return 0;
constexpr std::array<u32, MaxPixelFormat> bpp_table = {{
32, // ABGR8U
32, // ABGR8S
16, // B5G6R5
32, // A2B10G10R10
16, // A1B5G5R5
8, // R8
8, // R8UI
64, // RGBA16F
64, // RGBA16U
64, // RGBA16UI
32, // R11FG11FB10F
128, // RGBA32UI
64, // DXT1
128, // DXT23
128, // DXT45
64, // DXN1
128, // DXN2UNORM
128, // DXN2SNORM
128, // BC7U
32, // ASTC_2D_4X4
16, // G8R8U
16, // G8R8S
32, // BGRA8
128, // RGBA32F
64, // RG32F
32, // R32F
16, // R16F
16, // R16UNORM
16, // R16S
16, // R16UI
16, // R16I
32, // RG16
32, // RG16F
32, // RG16UI
32, // RG16I
32, // RG16S
96, // RGB32F
32, // SRGBA8
16, // RG8U
16, // RG8S
64, // RG32UI
32, // R32UI
32, // Z24S8
32, // S8Z24
32, // Z32F
16, // Z16
64, // Z32FS8
}};
ASSERT(static_cast<size_t>(format) < bpp_table.size());
return bpp_table[static_cast<size_t>(format)];
}
u32 GetFormatBpp() const {
return GetFormatBpp(pixel_format);
}
static PixelFormat PixelFormatFromDepthFormat(Tegra::DepthFormat format) {
switch (format) {
case Tegra::DepthFormat::S8_Z24_UNORM:
return PixelFormat::S8Z24;
case Tegra::DepthFormat::Z24_S8_UNORM:
return PixelFormat::Z24S8;
case Tegra::DepthFormat::Z32_FLOAT:
return PixelFormat::Z32F;
case Tegra::DepthFormat::Z16_UNORM:
return PixelFormat::Z16;
case Tegra::DepthFormat::Z32_S8_X24_FLOAT:
return PixelFormat::Z32FS8;
default:
LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
UNREACHABLE();
}
}
static PixelFormat PixelFormatFromRenderTargetFormat(Tegra::RenderTargetFormat format) {
switch (format) {
// TODO (Hexagon12): Converting SRGBA to RGBA is a hack and doesn't completely correct the
// gamma.
case Tegra::RenderTargetFormat::RGBA8_SRGB:
case Tegra::RenderTargetFormat::RGBA8_UNORM:
return PixelFormat::ABGR8U;
case Tegra::RenderTargetFormat::RGBA8_SNORM:
return PixelFormat::ABGR8S;
case Tegra::RenderTargetFormat::BGRA8_UNORM:
return PixelFormat::BGRA8;
case Tegra::RenderTargetFormat::RGB10_A2_UNORM:
return PixelFormat::A2B10G10R10;
case Tegra::RenderTargetFormat::RGBA16_FLOAT:
return PixelFormat::RGBA16F;
case Tegra::RenderTargetFormat::RGBA16_UNORM:
return PixelFormat::RGBA16U;
case Tegra::RenderTargetFormat::RGBA16_UINT:
return PixelFormat::RGBA16UI;
case Tegra::RenderTargetFormat::RGBA32_FLOAT:
return PixelFormat::RGBA32F;
case Tegra::RenderTargetFormat::RG32_FLOAT:
return PixelFormat::RG32F;
case Tegra::RenderTargetFormat::R11G11B10_FLOAT:
return PixelFormat::R11FG11FB10F;
case Tegra::RenderTargetFormat::B5G6R5_UNORM:
return PixelFormat::B5G6R5;
case Tegra::RenderTargetFormat::RGBA32_UINT:
return PixelFormat::RGBA32UI;
case Tegra::RenderTargetFormat::R8_UNORM:
return PixelFormat::R8;
case Tegra::RenderTargetFormat::R8_UINT:
return PixelFormat::R8UI;
case Tegra::RenderTargetFormat::RG16_FLOAT:
return PixelFormat::RG16F;
case Tegra::RenderTargetFormat::RG16_UINT:
return PixelFormat::RG16UI;
case Tegra::RenderTargetFormat::RG16_SINT:
return PixelFormat::RG16I;
case Tegra::RenderTargetFormat::RG16_UNORM:
return PixelFormat::RG16;
case Tegra::RenderTargetFormat::RG16_SNORM:
return PixelFormat::RG16S;
case Tegra::RenderTargetFormat::RG8_UNORM:
return PixelFormat::RG8U;
case Tegra::RenderTargetFormat::RG8_SNORM:
return PixelFormat::RG8S;
case Tegra::RenderTargetFormat::R16_FLOAT:
return PixelFormat::R16F;
case Tegra::RenderTargetFormat::R16_UNORM:
return PixelFormat::R16UNORM;
case Tegra::RenderTargetFormat::R16_SNORM:
return PixelFormat::R16S;
case Tegra::RenderTargetFormat::R16_UINT:
return PixelFormat::R16UI;
case Tegra::RenderTargetFormat::R16_SINT:
return PixelFormat::R16I;
case Tegra::RenderTargetFormat::R32_FLOAT:
return PixelFormat::R32F;
case Tegra::RenderTargetFormat::R32_UINT:
return PixelFormat::R32UI;
case Tegra::RenderTargetFormat::RG32_UINT:
return PixelFormat::RG32UI;
default:
LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
UNREACHABLE();
}
}
static PixelFormat PixelFormatFromTextureFormat(Tegra::Texture::TextureFormat format,
Tegra::Texture::ComponentType component_type) {
// TODO(Subv): Properly implement this
switch (format) {
case Tegra::Texture::TextureFormat::A8R8G8B8:
switch (component_type) {
case Tegra::Texture::ComponentType::UNORM:
return PixelFormat::ABGR8U;
case Tegra::Texture::ComponentType::SNORM:
return PixelFormat::ABGR8S;
}
LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}",
static_cast<u32>(component_type));
UNREACHABLE();
case Tegra::Texture::TextureFormat::B5G6R5:
return PixelFormat::B5G6R5;
case Tegra::Texture::TextureFormat::A2B10G10R10:
return PixelFormat::A2B10G10R10;
case Tegra::Texture::TextureFormat::A1B5G5R5:
return PixelFormat::A1B5G5R5;
case Tegra::Texture::TextureFormat::R8:
switch (component_type) {
case Tegra::Texture::ComponentType::UNORM:
return PixelFormat::R8;
case Tegra::Texture::ComponentType::UINT:
return PixelFormat::R8UI;
}
LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}",
static_cast<u32>(component_type));
UNREACHABLE();
case Tegra::Texture::TextureFormat::G8R8:
switch (component_type) {
case Tegra::Texture::ComponentType::UNORM:
return PixelFormat::G8R8U;
case Tegra::Texture::ComponentType::SNORM:
return PixelFormat::G8R8S;
}
LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}",
static_cast<u32>(component_type));
UNREACHABLE();
case Tegra::Texture::TextureFormat::R16_G16_B16_A16:
return PixelFormat::RGBA16F;
case Tegra::Texture::TextureFormat::BF10GF11RF11:
return PixelFormat::R11FG11FB10F;
case Tegra::Texture::TextureFormat::R32_G32_B32_A32:
switch (component_type) {
case Tegra::Texture::ComponentType::FLOAT:
return PixelFormat::RGBA32F;
case Tegra::Texture::ComponentType::UINT:
return PixelFormat::RGBA32UI;
}
LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}",
static_cast<u32>(component_type));
UNREACHABLE();
case Tegra::Texture::TextureFormat::R32_G32:
switch (component_type) {
case Tegra::Texture::ComponentType::FLOAT:
return PixelFormat::RG32F;
case Tegra::Texture::ComponentType::UINT:
return PixelFormat::RG32UI;
}
LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}",
static_cast<u32>(component_type));
UNREACHABLE();
case Tegra::Texture::TextureFormat::R32_G32_B32:
return PixelFormat::RGB32F;
case Tegra::Texture::TextureFormat::R16:
switch (component_type) {
case Tegra::Texture::ComponentType::FLOAT:
return PixelFormat::R16F;
case Tegra::Texture::ComponentType::UNORM:
return PixelFormat::R16UNORM;
case Tegra::Texture::ComponentType::SNORM:
return PixelFormat::R16S;
case Tegra::Texture::ComponentType::UINT:
return PixelFormat::R16UI;
case Tegra::Texture::ComponentType::SINT:
return PixelFormat::R16I;
}
LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}",
static_cast<u32>(component_type));
UNREACHABLE();
case Tegra::Texture::TextureFormat::R32:
switch (component_type) {
case Tegra::Texture::ComponentType::FLOAT:
return PixelFormat::R32F;
case Tegra::Texture::ComponentType::UINT:
return PixelFormat::R32UI;
}
LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}",
static_cast<u32>(component_type));
UNREACHABLE();
case Tegra::Texture::TextureFormat::ZF32:
return PixelFormat::Z32F;
case Tegra::Texture::TextureFormat::Z16:
return PixelFormat::Z16;
case Tegra::Texture::TextureFormat::Z24S8:
return PixelFormat::Z24S8;
case Tegra::Texture::TextureFormat::DXT1:
return PixelFormat::DXT1;
case Tegra::Texture::TextureFormat::DXT23:
return PixelFormat::DXT23;
case Tegra::Texture::TextureFormat::DXT45:
return PixelFormat::DXT45;
case Tegra::Texture::TextureFormat::DXN1:
return PixelFormat::DXN1;
case Tegra::Texture::TextureFormat::DXN2:
switch (component_type) {
case Tegra::Texture::ComponentType::UNORM:
return PixelFormat::DXN2UNORM;
case Tegra::Texture::ComponentType::SNORM:
return PixelFormat::DXN2SNORM;
}
LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}",
static_cast<u32>(component_type));
UNREACHABLE();
case Tegra::Texture::TextureFormat::BC7U:
return PixelFormat::BC7U;
case Tegra::Texture::TextureFormat::ASTC_2D_4X4:
return PixelFormat::ASTC_2D_4X4;
case Tegra::Texture::TextureFormat::R16_G16:
switch (component_type) {
case Tegra::Texture::ComponentType::FLOAT:
return PixelFormat::RG16F;
case Tegra::Texture::ComponentType::UNORM:
return PixelFormat::RG16;
case Tegra::Texture::ComponentType::SNORM:
return PixelFormat::RG16S;
case Tegra::Texture::ComponentType::UINT:
return PixelFormat::RG16UI;
case Tegra::Texture::ComponentType::SINT:
return PixelFormat::RG16I;
}
LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}",
static_cast<u32>(component_type));
UNREACHABLE();
default:
LOG_CRITICAL(HW_GPU, "Unimplemented format={}, component_type={}",
static_cast<u32>(format), static_cast<u32>(component_type));
UNREACHABLE();
}
}
static ComponentType ComponentTypeFromTexture(Tegra::Texture::ComponentType type) {
// TODO(Subv): Implement more component types
switch (type) {
case Tegra::Texture::ComponentType::UNORM:
return ComponentType::UNorm;
case Tegra::Texture::ComponentType::FLOAT:
return ComponentType::Float;
case Tegra::Texture::ComponentType::SNORM:
return ComponentType::SNorm;
case Tegra::Texture::ComponentType::UINT:
return ComponentType::UInt;
case Tegra::Texture::ComponentType::SINT:
return ComponentType::SInt;
default:
LOG_CRITICAL(HW_GPU, "Unimplemented component type={}", static_cast<u32>(type));
UNREACHABLE();
}
}
static ComponentType ComponentTypeFromRenderTarget(Tegra::RenderTargetFormat format) {
// TODO(Subv): Implement more render targets
switch (format) {
case Tegra::RenderTargetFormat::RGBA8_UNORM:
case Tegra::RenderTargetFormat::RGBA8_SRGB:
case Tegra::RenderTargetFormat::BGRA8_UNORM:
case Tegra::RenderTargetFormat::RGB10_A2_UNORM:
case Tegra::RenderTargetFormat::R8_UNORM:
case Tegra::RenderTargetFormat::RG16_UNORM:
case Tegra::RenderTargetFormat::R16_UNORM:
case Tegra::RenderTargetFormat::B5G6R5_UNORM:
case Tegra::RenderTargetFormat::RG8_UNORM:
case Tegra::RenderTargetFormat::RGBA16_UNORM:
return ComponentType::UNorm;
case Tegra::RenderTargetFormat::RGBA8_SNORM:
case Tegra::RenderTargetFormat::RG16_SNORM:
case Tegra::RenderTargetFormat::R16_SNORM:
case Tegra::RenderTargetFormat::RG8_SNORM:
return ComponentType::SNorm;
case Tegra::RenderTargetFormat::RGBA16_FLOAT:
case Tegra::RenderTargetFormat::R11G11B10_FLOAT:
case Tegra::RenderTargetFormat::RGBA32_FLOAT:
case Tegra::RenderTargetFormat::RG32_FLOAT:
case Tegra::RenderTargetFormat::RG16_FLOAT:
case Tegra::RenderTargetFormat::R16_FLOAT:
case Tegra::RenderTargetFormat::R32_FLOAT:
return ComponentType::Float;
case Tegra::RenderTargetFormat::RGBA32_UINT:
case Tegra::RenderTargetFormat::RGBA16_UINT:
case Tegra::RenderTargetFormat::RG16_UINT:
case Tegra::RenderTargetFormat::R8_UINT:
case Tegra::RenderTargetFormat::R16_UINT:
case Tegra::RenderTargetFormat::RG32_UINT:
case Tegra::RenderTargetFormat::R32_UINT:
return ComponentType::UInt;
case Tegra::RenderTargetFormat::RG16_SINT:
case Tegra::RenderTargetFormat::R16_SINT:
return ComponentType::SInt;
default:
LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
UNREACHABLE();
}
}
static PixelFormat PixelFormatFromGPUPixelFormat(Tegra::FramebufferConfig::PixelFormat format) {
switch (format) {
case Tegra::FramebufferConfig::PixelFormat::ABGR8:
return PixelFormat::ABGR8U;
default:
LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
UNREACHABLE();
}
}
static ComponentType ComponentTypeFromDepthFormat(Tegra::DepthFormat format) {
switch (format) {
case Tegra::DepthFormat::Z16_UNORM:
case Tegra::DepthFormat::S8_Z24_UNORM:
case Tegra::DepthFormat::Z24_S8_UNORM:
return ComponentType::UNorm;
case Tegra::DepthFormat::Z32_FLOAT:
case Tegra::DepthFormat::Z32_S8_X24_FLOAT:
return ComponentType::Float;
default:
LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
UNREACHABLE();
}
}
static SurfaceType GetFormatType(PixelFormat pixel_format) {
if (static_cast<size_t>(pixel_format) < static_cast<size_t>(PixelFormat::MaxColorFormat)) {
return SurfaceType::ColorTexture;
}
if (static_cast<size_t>(pixel_format) <
static_cast<size_t>(PixelFormat::MaxDepthStencilFormat)) {
return SurfaceType::DepthStencil;
}
// TODO(Subv): Implement the other formats
ASSERT(false);
return SurfaceType::Invalid;
}
/// Returns the rectangle corresponding to this surface
MathUtil::Rectangle<u32> GetRect() const;
/// Returns the size of this surface in bytes, adjusted for compression
size_t SizeInBytes() const {
const u32 compression_factor{GetCompressionFactor(pixel_format)};
ASSERT(width % compression_factor == 0);
ASSERT(height % compression_factor == 0);
return (width / compression_factor) * (height / compression_factor) *
GetFormatBpp(pixel_format) / CHAR_BIT;
}
/// Returns the CPU virtual address for this surface
VAddr GetCpuAddr() const;
/// Returns true if the specified region overlaps with this surface's region in Switch memory
bool IsOverlappingRegion(Tegra::GPUVAddr region_addr, size_t region_size) const {
return addr <= (region_addr + region_size) && region_addr <= (addr + size_in_bytes);
}
/// Creates SurfaceParams from a texture configuration
static SurfaceParams CreateForTexture(const Tegra::Texture::FullTextureInfo& config);
/// Creates SurfaceParams from a framebuffer configuration
static SurfaceParams CreateForFramebuffer(
const Tegra::Engines::Maxwell3D::Regs::RenderTargetConfig& config);
/// Creates SurfaceParams for a depth buffer configuration
static SurfaceParams CreateForDepthBuffer(u32 zeta_width, u32 zeta_height,
Tegra::GPUVAddr zeta_address,
Tegra::DepthFormat format);
bool operator==(const SurfaceParams& other) const {
return std::tie(addr, is_tiled, block_height, pixel_format, component_type, type, width,
height, unaligned_height, size_in_bytes) ==
std::tie(other.addr, other.is_tiled, other.block_height, other.pixel_format,
other.component_type, other.type, other.width, other.height,
other.unaligned_height, other.size_in_bytes);
}
bool operator!=(const SurfaceParams& other) const {
return !operator==(other);
}
/// Checks if surfaces are compatible for caching
bool IsCompatibleSurface(const SurfaceParams& other) const {
return std::tie(pixel_format, type, cache_width, cache_height) ==
std::tie(other.pixel_format, other.type, other.cache_width, other.cache_height);
}
Tegra::GPUVAddr addr;
bool is_tiled;
u32 block_height;
PixelFormat pixel_format;
ComponentType component_type;
SurfaceType type;
u32 width;
u32 height;
u32 unaligned_height;
size_t size_in_bytes;
// Parameters used for caching only
u32 cache_width;
u32 cache_height;
};
class CachedSurface final {
public:
CachedSurface(const SurfaceParams& params);
const OGLTexture& Texture() const {
return texture;
}
static constexpr unsigned int GetGLBytesPerPixel(SurfaceParams::PixelFormat format) {
if (format == SurfaceParams::PixelFormat::Invalid)
return 0;
return SurfaceParams::GetFormatBpp(format) / CHAR_BIT;
}
const SurfaceParams& GetSurfaceParams() const {
return params;
}
// Read/Write data in Switch memory to/from gl_buffer
void LoadGLBuffer();
void FlushGLBuffer();
// Upload/Download data in gl_buffer in/to this surface's texture
void UploadGLTexture(GLuint read_fb_handle, GLuint draw_fb_handle);
void DownloadGLTexture(GLuint read_fb_handle, GLuint draw_fb_handle);
private:
OGLTexture texture;
std::vector<u8> gl_buffer;
SurfaceParams params;
};
class RasterizerCacheOpenGL final : NonCopyable {
public:
RasterizerCacheOpenGL();
~RasterizerCacheOpenGL();
/// Get a surface based on the texture configuration
Surface GetTextureSurface(const Tegra::Texture::FullTextureInfo& config);
/// Get the color and depth surfaces based on the framebuffer configuration
SurfaceSurfaceRect_Tuple GetFramebufferSurfaces(bool using_color_fb, bool using_depth_fb);
/// Flushes the surface to Switch memory
void FlushSurface(const Surface& surface);
/// Tries to find a framebuffer GPU address based on the provided CPU address
Surface TryFindFramebufferSurface(VAddr cpu_addr) const;
/// Write any cached resources overlapping the region back to memory (if dirty)
void FlushRegion(Tegra::GPUVAddr addr, size_t size);
/// Mark the specified region as being invalidated
void InvalidateRegion(Tegra::GPUVAddr addr, size_t size);
private:
void LoadSurface(const Surface& surface);
Surface GetSurface(const SurfaceParams& params);
/// Recreates a surface with new parameters
Surface RecreateSurface(const Surface& surface, const SurfaceParams& new_params);
/// Register surface into the cache
void RegisterSurface(const Surface& surface);
/// Remove surface from the cache
void UnregisterSurface(const Surface& surface);
/// Increase/decrease the number of surface in pages touching the specified region
void UpdatePagesCachedCount(Tegra::GPUVAddr addr, u64 size, int delta);
std::unordered_map<Tegra::GPUVAddr, Surface> surface_cache;
PageMap cached_pages;
OGLFramebuffer read_framebuffer;
OGLFramebuffer draw_framebuffer;
};
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