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surface_params: Corrections, asserts and documentation.

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This commit is contained in:
Fernando Sahmkow 2019-06-25 18:03:25 -04:00
parent fb234560b0
commit c0abc7124d
2 changed files with 58 additions and 43 deletions
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4
src/video_core/texture_cache/surface_params.cpp
View file

@ -269,11 +269,11 @@ std::size_t SurfaceParams::GetConvertedMipmapOffset(u32 level) const {
}
std::size_t SurfaceParams::GetConvertedMipmapSize(u32 level) const {
constexpr std::size_t rgb8_bpp = 4ULL;
constexpr std::size_t rgba8_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;
return width_t * height_t * depth_t * rgba8_bpp;
}
std::size_t SurfaceParams::GetLayerSize(bool as_host_size, bool uncompressed) const {

97
src/video_core/texture_cache/surface_params.h
View file

@ -95,25 +95,21 @@ public:
/// Returns the block depth of a given mipmap level.
u32 GetMipBlockDepth(u32 level) const;
/// returns the best possible row/pitch alignment for the surface.
u32 GetRowAlignment(u32 level) const {
const u32 bpp =
GetCompressionType() == SurfaceCompression::Converted ? 4 : GetBytesPerPixel();
return 1U << Common::CountTrailingZeroes32(GetMipWidth(level) * bpp);
}
// 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::AlignBits(out_size,
Tegra::Texture::GetGOBSizeShift() + 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 offset in bytes in host memory (linear) of a given mipmap level
// for a texture that is converted in host gpu.
std::size_t GetConvertedMipmapOffset(u32 level) const;
/// Returns the size in bytes in guest memory of a given mipmap level.
@ -139,40 +135,7 @@ public:
return GetInnerMipmapMemorySize(level, true, false);
}
static u32 ConvertWidth(u32 width, VideoCore::Surface::PixelFormat pixel_format_from,
VideoCore::Surface::PixelFormat pixel_format_to) {
const u32 bw1 = VideoCore::Surface::GetDefaultBlockWidth(pixel_format_from);
const u32 bw2 = VideoCore::Surface::GetDefaultBlockWidth(pixel_format_to);
return (width * bw2 + bw1 - 1) / bw1;
}
static u32 ConvertHeight(u32 height, VideoCore::Surface::PixelFormat pixel_format_from,
VideoCore::Surface::PixelFormat pixel_format_to) {
const u32 bh1 = VideoCore::Surface::GetDefaultBlockHeight(pixel_format_from);
const u32 bh2 = VideoCore::Surface::GetDefaultBlockHeight(pixel_format_to);
return (height * bh2 + bh1 - 1) / bh1;
}
// this finds the maximun possible width between 2 2D layers of different formats
static u32 IntersectWidth(const SurfaceParams& src_params, const SurfaceParams& dst_params,
const u32 src_level, const u32 dst_level) {
const u32 bw1 = src_params.GetDefaultBlockWidth();
const u32 bw2 = dst_params.GetDefaultBlockWidth();
const u32 t_src_width = (src_params.GetMipWidth(src_level) * bw2 + bw1 - 1) / bw1;
const u32 t_dst_width = (dst_params.GetMipWidth(dst_level) * bw1 + bw2 - 1) / bw2;
return std::min(t_src_width, t_dst_width);
}
// this finds the maximun possible height between 2 2D layers of different formats
static u32 IntersectHeight(const SurfaceParams& src_params, const SurfaceParams& dst_params,
const u32 src_level, const u32 dst_level) {
const u32 bh1 = src_params.GetDefaultBlockHeight();
const u32 bh2 = dst_params.GetDefaultBlockHeight();
const u32 t_src_height = (src_params.GetMipHeight(src_level) * bh2 + bh1 - 1) / bh1;
const u32 t_dst_height = (dst_params.GetMipHeight(dst_level) * bh1 + bh2 - 1) / bh2;
return std::min(t_src_height, t_dst_height);
}
/// Returns the max possible mipmap that the texture can have in host gpu
u32 MaxPossibleMipmap() const {
const u32 max_mipmap_w = Common::Log2Ceil32(width) + 1U;
const u32 max_mipmap_h = Common::Log2Ceil32(height) + 1U;
@ -182,6 +145,7 @@ public:
return std::max(max_mipmap, Common::Log2Ceil32(depth) + 1U);
}
/// Returns if the guest surface is a compressed surface.
bool IsCompressed() const {
return GetDefaultBlockHeight() > 1 || GetDefaultBlockWidth() > 1;
}
@ -212,16 +176,67 @@ public:
pixel_format < VideoCore::Surface::PixelFormat::MaxDepthStencilFormat;
}
/// Returns how the compression should be handled for this texture. Values
/// are: None(no compression), Compressed(texture is compressed),
/// Converted(texture is converted before upload/ after download),
/// Rearranged(texture is swizzled before upload/after download).
SurfaceCompression GetCompressionType() const {
return VideoCore::Surface::GetFormatCompressionType(pixel_format);
}
/// Returns is the surface is a TextureBuffer type of surface.
bool IsBuffer() const {
return target == VideoCore::Surface::SurfaceTarget::TextureBuffer;
}
/// Returns the debug name of the texture for use in graphic debuggers.
std::string TargetName() 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::AlignBits(out_size,
Tegra::Texture::GetGOBSizeShift() + block_height + block_depth);
}
/// Converts a width from a type of surface into another. This helps represent the
/// equivalent value between compressed/non-compressed textures.
static u32 ConvertWidth(u32 width, VideoCore::Surface::PixelFormat pixel_format_from,
VideoCore::Surface::PixelFormat pixel_format_to) {
const u32 bw1 = VideoCore::Surface::GetDefaultBlockWidth(pixel_format_from);
const u32 bw2 = VideoCore::Surface::GetDefaultBlockWidth(pixel_format_to);
return (width * bw2 + bw1 - 1) / bw1;
}
/// Converts a height from a type of surface into another. This helps represent the
/// equivalent value between compressed/non-compressed textures.
static u32 ConvertHeight(u32 height, VideoCore::Surface::PixelFormat pixel_format_from,
VideoCore::Surface::PixelFormat pixel_format_to) {
const u32 bh1 = VideoCore::Surface::GetDefaultBlockHeight(pixel_format_from);
const u32 bh2 = VideoCore::Surface::GetDefaultBlockHeight(pixel_format_to);
return (height * bh2 + bh1 - 1) / bh1;
}
// Finds the maximun possible width between 2 2D layers of different formats
static u32 IntersectWidth(const SurfaceParams& src_params, const SurfaceParams& dst_params,
const u32 src_level, const u32 dst_level) {
const u32 bw1 = src_params.GetDefaultBlockWidth();
const u32 bw2 = dst_params.GetDefaultBlockWidth();
const u32 t_src_width = (src_params.GetMipWidth(src_level) * bw2 + bw1 - 1) / bw1;
const u32 t_dst_width = (dst_params.GetMipWidth(dst_level) * bw1 + bw2 - 1) / bw2;
return std::min(t_src_width, t_dst_width);
}
// Finds the maximun possible height between 2 2D layers of different formats
static u32 IntersectHeight(const SurfaceParams& src_params, const SurfaceParams& dst_params,
const u32 src_level, const u32 dst_level) {
const u32 bh1 = src_params.GetDefaultBlockHeight();
const u32 bh2 = dst_params.GetDefaultBlockHeight();
const u32 t_src_height = (src_params.GetMipHeight(src_level) * bh2 + bh1 - 1) / bh1;
const u32 t_dst_height = (dst_params.GetMipHeight(dst_level) * bh1 + bh2 - 1) / bh2;
return std::min(t_src_height, t_dst_height);
}
bool is_tiled;
bool srgb_conversion;
bool is_layered;