// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <map>
#include "common/alignment.h"
#include "common/common_types.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/shader/shader_ir.h"
#include "video_core/surface.h"
#include "video_core/textures/decoders.h"
namespace VideoCommon {
class SurfaceParams {
public:
/// Creates SurfaceCachedParams from a texture configuration.
static SurfaceParams CreateForTexture(Core::System& system,
const Tegra::Texture::FullTextureInfo& config,
const VideoCommon::Shader::Sampler& entry);
/// Creates SurfaceCachedParams for a depth buffer configuration.
static 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);
/// Creates SurfaceCachedParams from a framebuffer configuration.
static SurfaceParams CreateForFramebuffer(Core::System& system, std::size_t index);
/// Creates SurfaceCachedParams from a Fermi2D surface configuration.
static SurfaceParams CreateForFermiCopySurface(
const Tegra::Engines::Fermi2D::Regs::Surface& config);
std::size_t Hash() const;
bool operator==(const SurfaceParams& rhs) const;
bool operator!=(const SurfaceParams& rhs) const {
return !operator==(rhs);
}
std::size_t GetGuestSizeInBytes() const {
return GetInnerMemorySize(false, false, false);
}
std::size_t GetHostSizeInBytes() const {
std::size_t host_size_in_bytes;
if (IsPixelFormatASTC(pixel_format)) {
constexpr std::size_t rgb8_bpp = 4ULL;
// ASTC is uncompressed in software, in emulated as RGBA8
host_size_in_bytes = 0;
for (std::size_t level = 0; level < num_levels; level++) {
const std::size_t width =
Common::AlignUp(GetMipWidth(level), GetDefaultBlockWidth());
const std::size_t height =
Common::AlignUp(GetMipHeight(level), GetDefaultBlockHeight());
const std::size_t depth = is_layered ? depth : GetMipDepth(level);
host_size_in_bytes += width * height * depth * rgb8_bpp;
}
} else {
host_size_in_bytes = GetInnerMemorySize(true, false, false);
}
return host_size_in_bytes;
}
u32 GetBlockAlignedWidth() const {
return Common::AlignUp(width, 64 / GetBytesPerPixel());
}
/// Returns the width of a given mipmap level.
u32 GetMipWidth(u32 level) const {
return std::max(1U, width >> level);
}
/// Returns the height of a given mipmap level.
u32 GetMipHeight(u32 level) const {
return std::max(1U, height >> level);
}
/// Returns the depth of a given mipmap level.
u32 GetMipDepth(u32 level) const {
return is_layered ? depth : std::max(1U, depth >> level);
}
/// Returns the block height of a given mipmap level.
u32 GetMipBlockHeight(u32 level) const;
/// Returns the block depth of a given mipmap level.
u32 GetMipBlockDepth(u32 level) const;
// Helper used for out of class size calculations
static std::size_t AlignLayered(const std::size_t out_size, const u32 block_height,
const u32 block_depth) {
return Common::AlignUp(out_size, Tegra::Texture::GetGOBSize() * block_height * block_depth);
}
/// Returns the offset in bytes in guest memory of a given mipmap level.
std::size_t GetGuestMipmapLevelOffset(u32 level) const;
/// Returns the offset in bytes in host memory (linear) of a given mipmap level.
std::size_t GetHostMipmapLevelOffset(u32 level) const;
/// Returns the size in bytes in guest memory of a given mipmap level.
std::size_t GetGuestMipmapSize(u32 level) const;
/// Returns the size in bytes in host memory (linear) of a given mipmap level.
std::size_t GetHostMipmapSize(u32 level) const;
/// Returns the size of a layer in bytes in guest memory.
std::size_t GetGuestLayerSize() const;
/// Returns the size of a layer in bytes in host memory for a given mipmap level.
std::size_t GetHostLayerSize(u32 level) const;
/// Returns the default block width.
u32 GetDefaultBlockWidth() const {
return VideoCore::Surface::GetDefaultBlockWidth(pixel_format);
}
/// Returns the default block height.
u32 GetDefaultBlockHeight() const {
return VideoCore::Surface::GetDefaultBlockHeight(pixel_format);
}
/// Returns the bits per pixel.
u32 GetBitsPerPixel() const {
return VideoCore::Surface::GetFormatBpp(pixel_format);
}
/// Returns the bytes per pixel.
u32 GetBytesPerPixel() const {
return VideoCore::Surface::GetBytesPerPixel(pixel_format);
}
/// Returns true if the pixel format is a depth and/or stencil format.
bool IsPixelFormatZeta() const;
std::string TargetName() const;
bool is_tiled;
bool srgb_conversion;
bool is_layered;
u32 block_width;
u32 block_height;
u32 block_depth;
u32 tile_width_spacing;
u32 width;
u32 height;
u32 depth;
u32 pitch;
u32 unaligned_height;
u32 num_levels;
VideoCore::Surface::PixelFormat pixel_format;
VideoCore::Surface::ComponentType component_type;
VideoCore::Surface::SurfaceType type;
VideoCore::Surface::SurfaceTarget target;
private:
/// Returns the size of a given mipmap level inside a layer.
std::size_t GetInnerMipmapMemorySize(u32 level, bool as_host_size, bool uncompressed) const;
/// Returns the size of all mipmap levels and aligns as needed.
std::size_t GetInnerMemorySize(bool as_host_size, bool layer_only, bool uncompressed) const;
/// Returns the size of a layer
std::size_t GetLayerSize(bool as_host_size, bool uncompressed) const;
std::size_t GetNumLayers() const {
return is_layered ? depth : 1;
}
/// Returns true if these parameters are from a layered surface.
bool IsLayered() const;
};
} // namespace VideoCommon
namespace std {
template <>
struct hash<VideoCommon::SurfaceParams> {
std::size_t operator()(const VideoCommon::SurfaceParams& k) const noexcept {
return k.Hash();
}
};
} // namespace std
