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Created February 15, 2019 02:01
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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <glad/glad.h>
#include "common/alignment.h"
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/microprofile.h"
#include "common/scope_exit.h"
#include "core/core.h"
#include "core/hle/kernel/process.h"
#include "core/memory.h"
#include "core/settings.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/morton.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
#include "video_core/renderer_opengl/gl_state.h"
#include "video_core/renderer_opengl/utils.h"
#include "video_core/surface.h"
#include "video_core/textures/astc.h"
#include "video_core/textures/decoders.h"
namespace OpenGL {
using VideoCore::MortonSwizzle;
using VideoCore::MortonSwizzleMode;
using VideoCore::Surface::ComponentTypeFromDepthFormat;
using VideoCore::Surface::ComponentTypeFromRenderTarget;
using VideoCore::Surface::ComponentTypeFromTexture;
using VideoCore::Surface::PixelFormatFromDepthFormat;
using VideoCore::Surface::PixelFormatFromRenderTargetFormat;
using VideoCore::Surface::PixelFormatFromTextureFormat;
using VideoCore::Surface::SurfaceTargetFromTextureType;
struct FormatTuple {
GLint internal_format;
GLenum format;
GLenum type;
ComponentType component_type;
bool compressed;
};
static void ApplyTextureDefaults(GLenum target, u32 max_mip_level) {
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, max_mip_level - 1);
if (max_mip_level == 1) {
glTexParameterf(target, GL_TEXTURE_LOD_BIAS, 1000.0);
}
}
void SurfaceParams::InitCacheParameters(Tegra::GPUVAddr gpu_addr_) {
auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
const auto cpu_addr{memory_manager.GpuToCpuAddress(gpu_addr_)};
addr = cpu_addr ? *cpu_addr : 0;
gpu_addr = gpu_addr_;
size_in_bytes = SizeInBytesRaw();
if (IsPixelFormatASTC(pixel_format)) {
// ASTC is uncompressed in software, in emulated as RGBA8
size_in_bytes_gl = width * height * depth * 4;
} else {
size_in_bytes_gl = SizeInBytesGL();
}
}
std::size_t SurfaceParams::InnerMipmapMemorySize(u32 mip_level, bool force_gl, bool layer_only,
bool uncompressed) const {
const u32 tile_x{GetDefaultBlockWidth(pixel_format)};
const u32 tile_y{GetDefaultBlockHeight(pixel_format)};
const u32 bytes_per_pixel{GetBytesPerPixel(pixel_format)};
u32 m_depth = (layer_only ? 1U : depth);
u32 m_width = MipWidth(mip_level);
u32 m_height = MipHeight(mip_level);
m_width = uncompressed ? m_width : std::max(1U, (m_width + tile_x - 1) / tile_x);
m_height = uncompressed ? m_height : std::max(1U, (m_height + tile_y - 1) / tile_y);
m_depth = std::max(1U, m_depth >> mip_level);
u32 m_block_height = MipBlockHeight(mip_level);
u32 m_block_depth = MipBlockDepth(mip_level);
return Tegra::Texture::CalculateSize(force_gl ? false : is_tiled, bytes_per_pixel, m_width,
m_height, m_depth, m_block_height, m_block_depth);
}
std::size_t SurfaceParams::InnerMemorySize(bool force_gl, bool layer_only,
bool uncompressed) const {
std::size_t block_size_bytes = Tegra::Texture::GetGOBSize() * block_height * block_depth;
std::size_t size = 0;
for (u32 i = 0; i < max_mip_level; i++) {
size += InnerMipmapMemorySize(i, force_gl, layer_only, uncompressed);
}
if (!force_gl && is_tiled) {
size = Common::AlignUp(size, block_size_bytes);
}
return size;
}
/*static*/ SurfaceParams SurfaceParams::CreateForTexture(
const Tegra::Texture::FullTextureInfo& config, const GLShader::SamplerEntry& entry) {
SurfaceParams params{};
params.is_tiled = config.tic.IsTiled();
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.srgb_conversion = config.tic.IsSrgbConversionEnabled();
params.pixel_format = PixelFormatFromTextureFormat(config.tic.format, config.tic.r_type.Value(),
params.srgb_conversion);
if (params.pixel_format == PixelFormat::R16U && config.tsc.depth_compare_enabled) {
// Some titles create a 'R16U' (normalized 16-bit) texture with depth_compare enabled,
// then attempt to sample from it via a shadow sampler. Convert format to Z16 (which also
// causes GetFormatType to properly return 'Depth' below).
params.pixel_format = PixelFormat::Z16;
}
params.component_type = ComponentTypeFromTexture(config.tic.r_type.Value());
params.type = GetFormatType(params.pixel_format);
UNIMPLEMENTED_IF(params.type == SurfaceType::ColorTexture && config.tsc.depth_compare_enabled);
params.width = Common::AlignUp(config.tic.Width(), GetCompressionFactor(params.pixel_format));
params.height = Common::AlignUp(config.tic.Height(), GetCompressionFactor(params.pixel_format));
params.unaligned_height = config.tic.Height();
params.target = SurfaceTargetFromTextureType(config.tic.texture_type);
switch (params.target) {
case SurfaceTarget::Texture1D:
case SurfaceTarget::Texture2D:
case SurfaceTarget::Texture1DBuffer:
params.depth = 1;
break;
case SurfaceTarget::TextureCubemap:
params.depth = config.tic.Depth() * 6;
break;
case SurfaceTarget::Texture3D:
params.depth = config.tic.Depth();
break;
case SurfaceTarget::Texture2DArray:
params.depth = config.tic.Depth();
if (!entry.IsArray()) {
// TODO(bunnei): We have seen games re-use a Texture2D as Texture2DArray with depth of
// one, but sample the texture in the shader as if it were not an array texture. This
// probably is valid on hardware, but we still need to write a test to confirm this. In
// emulation, the workaround here is to continue to treat this as a Texture2D. An
// example game that does this is Super Mario Odyssey (in Cloud Kingdom).
ASSERT(params.depth == 1);
params.target = SurfaceTarget::Texture2D;
}
break;
case SurfaceTarget::TextureCubeArray:
params.depth = config.tic.Depth() * 6;
if (!entry.IsArray()) {
ASSERT(params.depth == 6);
params.target = SurfaceTarget::TextureCubemap;
}
break;
default:
LOG_CRITICAL(HW_GPU, "Unknown depth for target={}", static_cast<u32>(params.target));
UNREACHABLE();
params.depth = 1;
break;
}
params.is_layered = SurfaceTargetIsLayered(params.target);
params.max_mip_level = config.tic.max_mip_level + 1;
params.rt = {};
params.InitCacheParameters(config.tic.Address());
return params;
}
/*static*/ SurfaceParams SurfaceParams::CreateForFramebuffer(std::size_t index) {
const auto& config{Core::System::GetInstance().GPU().Maxwell3D().regs.rt[index]};
SurfaceParams params{};
params.is_tiled =
config.memory_layout.type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
params.block_width = 1 << config.memory_layout.block_width;
params.block_height = 1 << config.memory_layout.block_height;
params.block_depth = 1 << config.memory_layout.block_depth;
params.tile_width_spacing = 1;
params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB ||
config.format == Tegra::RenderTargetFormat::RGBA8_SRGB;
params.component_type = ComponentTypeFromRenderTarget(config.format);
params.type = GetFormatType(params.pixel_format);
params.width = config.width;
params.height = config.height;
params.unaligned_height = config.height;
params.target = SurfaceTarget::Texture2D;
params.depth = 1;
params.max_mip_level = 1;
params.is_layered = false;
// Render target specific parameters, not used for caching
params.rt.index = static_cast<u32>(index);
params.rt.array_mode = config.array_mode;
params.rt.layer_stride = config.layer_stride;
params.rt.volume = config.volume;
params.rt.base_layer = config.base_layer;
params.InitCacheParameters(config.Address());
return params;
}
/*static*/ SurfaceParams SurfaceParams::CreateForDepthBuffer(
u32 zeta_width, u32 zeta_height, Tegra::GPUVAddr zeta_address, 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.block_width = 1 << std::min(block_width, 5U);
params.block_height = 1 << std::min(block_height, 5U);
params.block_depth = 1 << 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.srgb_conversion = false;
params.width = zeta_width;
params.height = zeta_height;
params.unaligned_height = zeta_height;
params.target = SurfaceTarget::Texture2D;
params.depth = 1;
params.max_mip_level = 1;
params.is_layered = false;
params.rt = {};
params.InitCacheParameters(zeta_address);
return params;
}
/*static*/ SurfaceParams SurfaceParams::CreateForFermiCopySurface(
const Tegra::Engines::Fermi2D::Regs::Surface& config) {
SurfaceParams params{};
params.is_tiled = !config.linear;
params.block_width = params.is_tiled ? std::min(config.BlockWidth(), 32U) : 0,
params.block_height = params.is_tiled ? std::min(config.BlockHeight(), 32U) : 0,
params.block_depth = params.is_tiled ? std::min(config.BlockDepth(), 32U) : 0,
params.tile_width_spacing = 1;
params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB ||
config.format == Tegra::RenderTargetFormat::RGBA8_SRGB;
params.component_type = ComponentTypeFromRenderTarget(config.format);
params.type = GetFormatType(params.pixel_format);
params.width = config.width;
params.height = config.height;
params.unaligned_height = config.height;
params.target = SurfaceTarget::Texture2D;
params.depth = 1;
params.max_mip_level = 1;
params.rt = {};
params.InitCacheParameters(config.Address());
return params;
}
static 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_RGB8, 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
}};
static GLenum SurfaceTargetToGL(SurfaceTarget target) {
switch (target) {
case SurfaceTarget::Texture1D:
return GL_TEXTURE_1D;
case SurfaceTarget::Texture1DBuffer:
return GL_TEXTURE_BUFFER;
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;
}
LOG_CRITICAL(Render_OpenGL, "Unimplemented texture target={}", static_cast<u32>(target));
UNREACHABLE();
return {};
}
static const FormatTuple& GetFormatTuple(PixelFormat pixel_format, ComponentType component_type) {
ASSERT(static_cast<std::size_t>(pixel_format) < tex_format_tuples.size());
auto& format = tex_format_tuples[static_cast<unsigned int>(pixel_format)];
ASSERT_MSG(component_type == format.component_type);
return format;
}
MathUtil::Rectangle<u32> SurfaceParams::GetRect(u32 mip_level) const {
u32 actual_height{std::max(1U, unaligned_height >> mip_level)};
if (IsPixelFormatASTC(pixel_format)) {
// ASTC formats must stop at the ATSC block size boundary
actual_height = Common::AlignDown(actual_height, GetASTCBlockSize(pixel_format).second);
}
return {0, actual_height, MipWidth(mip_level), 0};
}
void SwizzleFunc(const MortonSwizzleMode& mode, const SurfaceParams& params,
std::vector<u8>& gl_buffer, u32 mip_level) {
u32 depth = params.MipDepth(mip_level);
if (params.target == SurfaceTarget::Texture2D) {
// TODO(Blinkhawk): Eliminate this condition once all texture types are implemented.
depth = 1U;
}
if (params.is_layered) {
u64 offset = params.GetMipmapLevelOffset(mip_level);
u64 offset_gl = 0;
const u64 layer_size = params.LayerMemorySize();
const u64 gl_size = params.LayerSizeGL(mip_level);
for (u32 i = 0; i < params.depth; i++) {
MortonSwizzle(mode, params.pixel_format, params.MipWidth(mip_level),
params.MipBlockHeight(mip_level), params.MipHeight(mip_level),
params.MipBlockDepth(mip_level), params.tile_width_spacing, 1,
gl_buffer.data() + offset_gl, gl_size, params.addr + offset);
offset += layer_size;
offset_gl += gl_size;
}
} else {
const u64 offset = params.GetMipmapLevelOffset(mip_level);
MortonSwizzle(mode, params.pixel_format, params.MipWidth(mip_level),
params.MipBlockHeight(mip_level), params.MipHeight(mip_level),
params.MipBlockDepth(mip_level), depth, params.tile_width_spacing,
gl_buffer.data(), gl_buffer.size(), params.addr + offset);
}
}
static void FastCopySurface(const Surface& src_surface, const Surface& dst_surface) {
const auto& src_params{src_surface->GetSurfaceParams()};
const auto& dst_params{dst_surface->GetSurfaceParams()};
const u32 width{std::min(src_params.width, dst_params.width)};
const u32 height{std::min(src_params.height, dst_params.height)};
glCopyImageSubData(src_surface->Texture().handle, SurfaceTargetToGL(src_params.target), 0, 0, 0,
0, dst_surface->Texture().handle, SurfaceTargetToGL(dst_params.target), 0, 0,
0, 0, width, height, 1);
}
MICROPROFILE_DEFINE(OpenGL_CopySurface, "OpenGL", "CopySurface", MP_RGB(128, 192, 64));
static void CopySurface(const Surface& src_surface, const Surface& dst_surface,
const GLuint copy_pbo_handle, const GLenum src_attachment = 0,
const GLenum dst_attachment = 0, const std::size_t cubemap_face = 0) {
MICROPROFILE_SCOPE(OpenGL_CopySurface);
ASSERT_MSG(dst_attachment == 0, "Unimplemented");
const auto& src_params{src_surface->GetSurfaceParams()};
const auto& dst_params{dst_surface->GetSurfaceParams()};
const auto source_format = GetFormatTuple(src_params.pixel_format, src_params.component_type);
const auto dest_format = GetFormatTuple(dst_params.pixel_format, dst_params.component_type);
const std::size_t buffer_size = std::max(src_params.size_in_bytes, dst_params.size_in_bytes);
glBindBuffer(GL_PIXEL_PACK_BUFFER, copy_pbo_handle);
glBufferData(GL_PIXEL_PACK_BUFFER, buffer_size, nullptr, GL_STREAM_COPY);
if (source_format.compressed) {
glGetCompressedTextureImage(src_surface->Texture().handle, src_attachment,
static_cast<GLsizei>(src_params.size_in_bytes), nullptr);
} else {
glGetTextureImage(src_surface->Texture().handle, src_attachment, source_format.format,
source_format.type, static_cast<GLsizei>(src_params.size_in_bytes),
nullptr);
}
// If the new texture is bigger than the previous one, we need to fill in the rest with data
// from the CPU.
if (src_params.size_in_bytes < dst_params.size_in_bytes) {
// Upload the rest of the memory.
if (dst_params.is_tiled) {
// TODO(Subv): We might have to de-tile the subtexture and re-tile it with the rest
// of the data in this case. Games like Super Mario Odyssey seem to hit this case
// when drawing, it re-uses the memory of a previous texture as a bigger framebuffer
// but it doesn't clear it beforehand, the texture is already full of zeros.
LOG_DEBUG(HW_GPU, "Trying to upload extra texture data from the CPU during "
"reinterpretation but the texture is tiled.");
}
const std::size_t remaining_size = dst_params.size_in_bytes - src_params.size_in_bytes;
glBufferSubData(GL_PIXEL_PACK_BUFFER, src_params.size_in_bytes, remaining_size,
Memory::GetPointer(dst_params.addr + src_params.size_in_bytes));
}
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
const GLsizei width{static_cast<GLsizei>(
std::min(src_params.GetRect().GetWidth(), dst_params.GetRect().GetWidth()))};
const GLsizei height{static_cast<GLsizei>(
std::min(src_params.GetRect().GetHeight(), dst_params.GetRect().GetHeight()))};
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, copy_pbo_handle);
if (dest_format.compressed) {
LOG_CRITICAL(HW_GPU, "Compressed copy is unimplemented!");
UNREACHABLE();
} else {
switch (dst_params.target) {
case SurfaceTarget::Texture1D:
glTextureSubImage1D(dst_surface->Texture().handle, 0, 0, width, dest_format.format,
dest_format.type, nullptr);
break;
case SurfaceTarget::Texture1DBuffer:
glTextureBuffer(dst_surface->Texture().handle, dest_format.internal_format, 0);
break;
case SurfaceTarget::Texture2D:
glTextureSubImage2D(dst_surface->Texture().handle, 0, 0, 0, width, height,
dest_format.format, dest_format.type, nullptr);
break;
case SurfaceTarget::Texture3D:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubeArray:
glTextureSubImage3D(dst_surface->Texture().handle, 0, 0, 0, 0, width, height,
static_cast<GLsizei>(dst_params.depth), dest_format.format,
dest_format.type, nullptr);
break;
case SurfaceTarget::TextureCubemap:
glTextureSubImage3D(dst_surface->Texture().handle, 0, 0, 0,
static_cast<GLint>(cubemap_face), width, height, 1,
dest_format.format, dest_format.type, nullptr);
break;
default:
LOG_CRITICAL(Render_OpenGL, "Unimplemented surface target={}",
static_cast<u32>(dst_params.target));
UNREACHABLE();
}
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
}
CachedSurface::CachedSurface(const SurfaceParams& params)
: params(params), gl_target(SurfaceTargetToGL(params.target)),
cached_size_in_bytes(params.size_in_bytes) {
texture.Create();
const auto& rect{params.GetRect()};
// Keep track of previous texture bindings
OpenGLState cur_state = OpenGLState::GetCurState();
const auto& old_tex = cur_state.texture_units[0];
SCOPE_EXIT({
cur_state.texture_units[0] = old_tex;
cur_state.Apply();
});
cur_state.texture_units[0].texture = texture.handle;
cur_state.texture_units[0].target = SurfaceTargetToGL(params.target);
cur_state.Apply();
glActiveTexture(GL_TEXTURE0);
const auto& format_tuple = GetFormatTuple(params.pixel_format, params.component_type);
gl_internal_format = format_tuple.internal_format;
gl_is_compressed = format_tuple.compressed;
if (!format_tuple.compressed) {
// Only pre-create the texture for non-compressed textures.
switch (params.target) {
case SurfaceTarget::Texture1D:
glTexStorage1D(SurfaceTargetToGL(params.target), params.max_mip_level,
format_tuple.internal_format, rect.GetWidth());
break;
case SurfaceTarget::Texture1DBuffer:
glBufferData(SurfaceTargetToGL(params.target), params.size_in_bytes_gl, NULL,
GL_READ_WRITE);
break;
case SurfaceTarget::Texture2D:
case SurfaceTarget::TextureCubemap:
glTexStorage2D(SurfaceTargetToGL(params.target), params.max_mip_level,
format_tuple.internal_format, rect.GetWidth(), rect.GetHeight());
break;
case SurfaceTarget::Texture3D:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubeArray:
glTexStorage3D(SurfaceTargetToGL(params.target), params.max_mip_level,
format_tuple.internal_format, rect.GetWidth(), rect.GetHeight(),
params.depth);
break;
default:
LOG_CRITICAL(Render_OpenGL, "Unimplemented surface target={}",
static_cast<u32>(params.target));
UNREACHABLE();
glTexStorage2D(GL_TEXTURE_2D, params.max_mip_level, format_tuple.internal_format,
rect.GetWidth(), rect.GetHeight());
}
}
ApplyTextureDefaults(SurfaceTargetToGL(params.target), params.max_mip_level);
LabelGLObject(GL_TEXTURE, texture.handle, params.addr,
SurfaceParams::SurfaceTargetName(params.target));
// Clamp size to mapped GPU memory region
// TODO(bunnei): Super Mario Odyssey maps a 0x40000 byte region and then uses it for a 0x80000
// R32F render buffer. We do not yet know if this is a game bug or something else, but this
// check is necessary to prevent flushing from overwriting unmapped memory.
auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
const u64 max_size{memory_manager.GetRegionEnd(params.gpu_addr) - params.gpu_addr};
if (cached_size_in_bytes > max_size) {
LOG_ERROR(HW_GPU, "Surface size {} exceeds region size {}", params.size_in_bytes, max_size);
cached_size_in_bytes = max_size;
}
}
static void ConvertS8Z24ToZ24S8(std::vector<u8>& data, u32 width, u32 height, bool reverse) {
union S8Z24 {
BitField<0, 24, u32> z24;
BitField<24, 8, u32> s8;
};
static_assert(sizeof(S8Z24) == 4, "S8Z24 is incorrect size");
union Z24S8 {
BitField<0, 8, u32> s8;
BitField<8, 24, u32> z24;
};
static_assert(sizeof(Z24S8) == 4, "Z24S8 is incorrect size");
S8Z24 s8z24_pixel{};
Z24S8 z24s8_pixel{};
constexpr auto bpp{GetBytesPerPixel(PixelFormat::S8Z24)};
for (std::size_t y = 0; y < height; ++y) {
for (std::size_t x = 0; x < width; ++x) {
const std::size_t offset{bpp * (y * width + x)};
if (reverse) {
std::memcpy(&z24s8_pixel, &data[offset], sizeof(Z24S8));
s8z24_pixel.s8.Assign(z24s8_pixel.s8);
s8z24_pixel.z24.Assign(z24s8_pixel.z24);
std::memcpy(&data[offset], &s8z24_pixel, sizeof(S8Z24));
} else {
std::memcpy(&s8z24_pixel, &data[offset], sizeof(S8Z24));
z24s8_pixel.s8.Assign(s8z24_pixel.s8);
z24s8_pixel.z24.Assign(s8z24_pixel.z24);
std::memcpy(&data[offset], &z24s8_pixel, sizeof(Z24S8));
}
}
}
}
/**
* Helper function to perform software conversion (as needed) when loading a buffer from Switch
* memory. This is for Maxwell pixel formats that cannot be represented as-is in OpenGL or with
* typical desktop GPUs.
*/
static void ConvertFormatAsNeeded_LoadGLBuffer(std::vector<u8>& data, PixelFormat pixel_format,
u32 width, u32 height, u32 depth) {
switch (pixel_format) {
case PixelFormat::ASTC_2D_4X4:
case PixelFormat::ASTC_2D_8X8:
case PixelFormat::ASTC_2D_8X5:
case PixelFormat::ASTC_2D_5X4:
case PixelFormat::ASTC_2D_5X5:
case PixelFormat::ASTC_2D_4X4_SRGB:
case PixelFormat::ASTC_2D_8X8_SRGB:
case PixelFormat::ASTC_2D_8X5_SRGB:
case PixelFormat::ASTC_2D_5X4_SRGB:
case PixelFormat::ASTC_2D_5X5_SRGB:
case PixelFormat::ASTC_2D_10X8:
case PixelFormat::ASTC_2D_10X8_SRGB: {
// Convert ASTC pixel formats to RGBA8, as most desktop GPUs do not support ASTC.
u32 block_width{};
u32 block_height{};
std::tie(block_width, block_height) = GetASTCBlockSize(pixel_format);
data =
Tegra::Texture::ASTC::Decompress(data, width, height, depth, block_width, block_height);
break;
}
case PixelFormat::S8Z24:
// Convert the S8Z24 depth format to Z24S8, as OpenGL does not support S8Z24.
ConvertS8Z24ToZ24S8(data, width, height, false);
break;
}
}
/**
* Helper function to perform software conversion (as needed) when flushing a buffer from OpenGL to
* Switch memory. This is for Maxwell pixel formats that cannot be represented as-is in OpenGL or
* with typical desktop GPUs.
*/
static void ConvertFormatAsNeeded_FlushGLBuffer(std::vector<u8>& data, PixelFormat pixel_format,
u32 width, u32 height) {
switch (pixel_format) {
case PixelFormat::ASTC_2D_4X4:
case PixelFormat::ASTC_2D_8X8:
case PixelFormat::ASTC_2D_4X4_SRGB:
case PixelFormat::ASTC_2D_8X8_SRGB:
case PixelFormat::ASTC_2D_5X5:
case PixelFormat::ASTC_2D_5X5_SRGB:
case PixelFormat::ASTC_2D_10X8:
case PixelFormat::ASTC_2D_10X8_SRGB: {
LOG_CRITICAL(HW_GPU, "Conversion of format {} after texture flushing is not implemented",
static_cast<u32>(pixel_format));
UNREACHABLE();
break;
}
case PixelFormat::S8Z24:
// Convert the Z24S8 depth format to S8Z24, as OpenGL does not support S8Z24.
ConvertS8Z24ToZ24S8(data, width, height, true);
break;
}
}
MICROPROFILE_DEFINE(OpenGL_SurfaceLoad, "OpenGL", "Surface Load", MP_RGB(128, 192, 64));
void CachedSurface::LoadGLBuffer() {
MICROPROFILE_SCOPE(OpenGL_SurfaceLoad);
gl_buffer.resize(params.max_mip_level);
for (u32 i = 0; i < params.max_mip_level; i++)
gl_buffer[i].resize(params.GetMipmapSizeGL(i));
if (params.is_tiled) {
ASSERT_MSG(params.block_width == 1, "Block width is defined as {} on texture type {}",
params.block_width, static_cast<u32>(params.target));
for (u32 i = 0; i < params.max_mip_level; i++)
SwizzleFunc(MortonSwizzleMode::MortonToLinear, params, gl_buffer[i], i);
} else {
const auto texture_src_data{Memory::GetPointer(params.addr)};
const auto texture_src_data_end{texture_src_data + params.size_in_bytes_gl};
gl_buffer[0].assign(texture_src_data, texture_src_data_end);
}
for (u32 i = 0; i < params.max_mip_level; i++) {
ConvertFormatAsNeeded_LoadGLBuffer(gl_buffer[i], params.pixel_format, params.MipWidth(i),
params.MipHeight(i), params.MipDepth(i));
}
}
MICROPROFILE_DEFINE(OpenGL_SurfaceFlush, "OpenGL", "Surface Flush", MP_RGB(128, 192, 64));
void CachedSurface::FlushGLBuffer() {
MICROPROFILE_SCOPE(OpenGL_SurfaceFlush);
ASSERT_MSG(!IsPixelFormatASTC(params.pixel_format), "Unimplemented");
// OpenGL temporary buffer needs to be big enough to store raw texture size
gl_buffer.resize(1);
gl_buffer[0].resize(GetSizeInBytes());
const FormatTuple& tuple = GetFormatTuple(params.pixel_format, params.component_type);
// Ensure no bad interactions with GL_UNPACK_ALIGNMENT
ASSERT(params.width * GetBytesPerPixel(params.pixel_format) % 4 == 0);
glPixelStorei(GL_PACK_ROW_LENGTH, static_cast<GLint>(params.width));
ASSERT(!tuple.compressed);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
glGetTextureImage(texture.handle, 0, tuple.format, tuple.type,
static_cast<GLsizei>(gl_buffer[0].size()), gl_buffer[0].data());
glPixelStorei(GL_PACK_ROW_LENGTH, 0);
ConvertFormatAsNeeded_FlushGLBuffer(gl_buffer[0], params.pixel_format, params.width,
params.height);
ASSERT(params.type != SurfaceType::Fill);
const u8* const texture_src_data = Memory::GetPointer(params.addr);
ASSERT(texture_src_data);
if (params.is_tiled) {
ASSERT_MSG(params.block_width == 1, "Block width is defined as {} on texture type {}",
params.block_width, static_cast<u32>(params.target));
SwizzleFunc(MortonSwizzleMode::LinearToMorton, params, gl_buffer[0], 0);
} else {
std::memcpy(Memory::GetPointer(GetAddr()), gl_buffer[0].data(), GetSizeInBytes());
}
}
void CachedSurface::UploadGLMipmapTexture(u32 mip_map, GLuint read_fb_handle,
GLuint draw_fb_handle) {
const auto& rect{params.GetRect(mip_map)};
// Load data from memory to the surface
const GLint x0 = static_cast<GLint>(rect.left);
const GLint y0 = static_cast<GLint>(rect.bottom);
std::size_t buffer_offset =
static_cast<std::size_t>(static_cast<std::size_t>(y0) * params.MipWidth(mip_map) +
static_cast<std::size_t>(x0)) *
GetBytesPerPixel(params.pixel_format);
const FormatTuple& tuple = GetFormatTuple(params.pixel_format, params.component_type);
const GLuint target_tex = texture.handle;
OpenGLState cur_state = OpenGLState::GetCurState();
const auto& old_tex = cur_state.texture_units[0];
SCOPE_EXIT({
cur_state.texture_units[0] = old_tex;
cur_state.Apply();
});
cur_state.texture_units[0].texture = target_tex;
cur_state.texture_units[0].target = SurfaceTargetToGL(params.target);
cur_state.Apply();
// Ensure no bad interactions with GL_UNPACK_ALIGNMENT
ASSERT(params.MipWidth(mip_map) * GetBytesPerPixel(params.pixel_format) % 4 == 0);
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(params.MipWidth(mip_map)));
GLsizei image_size = static_cast<GLsizei>(params.GetMipmapSizeGL(mip_map, false));
glActiveTexture(GL_TEXTURE0);
if (tuple.compressed) {
switch (params.target) {
case SurfaceTarget::Texture2D:
glCompressedTexImage2D(SurfaceTargetToGL(params.target), mip_map, tuple.internal_format,
static_cast<GLsizei>(params.MipWidth(mip_map)),
static_cast<GLsizei>(params.MipHeight(mip_map)), 0, image_size,
&gl_buffer[mip_map][buffer_offset]);
break;
case SurfaceTarget::Texture3D:
glCompressedTexImage3D(SurfaceTargetToGL(params.target), mip_map, tuple.internal_format,
static_cast<GLsizei>(params.MipWidth(mip_map)),
static_cast<GLsizei>(params.MipHeight(mip_map)),
static_cast<GLsizei>(params.MipDepth(mip_map)), 0, image_size,
&gl_buffer[mip_map][buffer_offset]);
break;
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubeArray:
glCompressedTexImage3D(SurfaceTargetToGL(params.target), mip_map, tuple.internal_format,
static_cast<GLsizei>(params.MipWidth(mip_map)),
static_cast<GLsizei>(params.MipHeight(mip_map)),
static_cast<GLsizei>(params.depth), 0, image_size,
&gl_buffer[mip_map][buffer_offset]);
break;
case SurfaceTarget::TextureCubemap: {
GLsizei layer_size = static_cast<GLsizei>(params.LayerSizeGL(mip_map));
for (std::size_t face = 0; face < params.depth; ++face) {
glCompressedTexImage2D(static_cast<GLenum>(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face),
mip_map, tuple.internal_format,
static_cast<GLsizei>(params.MipWidth(mip_map)),
static_cast<GLsizei>(params.MipHeight(mip_map)), 0,
layer_size, &gl_buffer[mip_map][buffer_offset]);
buffer_offset += layer_size;
}
break;
}
default:
LOG_CRITICAL(Render_OpenGL, "Unimplemented surface target={}",
static_cast<u32>(params.target));
UNREACHABLE();
glCompressedTexImage2D(GL_TEXTURE_2D, mip_map, tuple.internal_format,
static_cast<GLsizei>(params.MipWidth(mip_map)),
static_cast<GLsizei>(params.MipHeight(mip_map)), 0,
static_cast<GLsizei>(params.size_in_bytes_gl),
&gl_buffer[mip_map][buffer_offset]);
}
} else {
switch (params.target) {
case SurfaceTarget::Texture1D:
glTexSubImage1D(SurfaceTargetToGL(params.target), mip_map, x0,
static_cast<GLsizei>(rect.GetWidth()), tuple.format, tuple.type,
&gl_buffer[mip_map][buffer_offset]);
break;
case SurfaceTarget::Texture1DBuffer:
glBufferSubData(SurfaceTargetToGL(params.target), x0,
params.size_in_bytes_gl, &gl_buffer[0][buffer_offset]);
break;
case SurfaceTarget::Texture2D:
glTexSubImage2D(SurfaceTargetToGL(params.target), mip_map, x0, y0,
static_cast<GLsizei>(rect.GetWidth()),
static_cast<GLsizei>(rect.GetHeight()), tuple.format, tuple.type,
&gl_buffer[mip_map][buffer_offset]);
break;
case SurfaceTarget::Texture3D:
glTexSubImage3D(SurfaceTargetToGL(params.target), mip_map, x0, y0, 0,
static_cast<GLsizei>(rect.GetWidth()),
static_cast<GLsizei>(rect.GetHeight()), params.MipDepth(mip_map),
tuple.format, tuple.type, &gl_buffer[mip_map][buffer_offset]);
break;
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubeArray:
glTexSubImage3D(SurfaceTargetToGL(params.target), mip_map, x0, y0, 0,
static_cast<GLsizei>(rect.GetWidth()),
static_cast<GLsizei>(rect.GetHeight()), params.depth, tuple.format,
tuple.type, &gl_buffer[mip_map][buffer_offset]);
break;
case SurfaceTarget::TextureCubemap: {
std::size_t start = buffer_offset;
for (std::size_t face = 0; face < params.depth; ++face) {
glTexSubImage2D(static_cast<GLenum>(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face), mip_map,
x0, y0, static_cast<GLsizei>(rect.GetWidth()),
static_cast<GLsizei>(rect.GetHeight()), tuple.format, tuple.type,
&gl_buffer[mip_map][buffer_offset]);
buffer_offset += params.LayerSizeGL(mip_map);
}
break;
}
default:
LOG_CRITICAL(Render_OpenGL, "Unimplemented surface target={}",
static_cast<u32>(params.target));
UNREACHABLE();
glTexSubImage2D(GL_TEXTURE_2D, mip_map, x0, y0, static_cast<GLsizei>(rect.GetWidth()),
static_cast<GLsizei>(rect.GetHeight()), tuple.format, tuple.type,
&gl_buffer[mip_map][buffer_offset]);
}
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
}
void CachedSurface::EnsureTextureView() {
if (texture_view.handle != 0)
return;
// Compressed texture are not being created with immutable storage
UNIMPLEMENTED_IF(gl_is_compressed);
const GLenum target{TargetLayer()};
texture_view.Create();
glTextureView(texture_view.handle, target, texture.handle, gl_internal_format, 0,
params.max_mip_level, 0, 1);
OpenGLState cur_state = OpenGLState::GetCurState();
const auto& old_tex = cur_state.texture_units[0];
SCOPE_EXIT({
cur_state.texture_units[0] = old_tex;
cur_state.Apply();
});
cur_state.texture_units[0].texture = texture_view.handle;
cur_state.texture_units[0].target = target;
cur_state.Apply();
ApplyTextureDefaults(target, params.max_mip_level);
}
MICROPROFILE_DEFINE(OpenGL_TextureUL, "OpenGL", "Texture Upload", MP_RGB(128, 192, 64));
void CachedSurface::UploadGLTexture(GLuint read_fb_handle, GLuint draw_fb_handle) {
if (params.type == SurfaceType::Fill)
return;
MICROPROFILE_SCOPE(OpenGL_TextureUL);
for (u32 i = 0; i < params.max_mip_level; i++)
UploadGLMipmapTexture(i, read_fb_handle, draw_fb_handle);
}
RasterizerCacheOpenGL::RasterizerCacheOpenGL(RasterizerOpenGL& rasterizer)
: RasterizerCache{rasterizer} {
read_framebuffer.Create();
draw_framebuffer.Create();
copy_pbo.Create();
}
Surface RasterizerCacheOpenGL::GetTextureSurface(const Tegra::Texture::FullTextureInfo& config,
const GLShader::SamplerEntry& entry) {
return GetSurface(SurfaceParams::CreateForTexture(config, entry));
}
Surface RasterizerCacheOpenGL::GetDepthBufferSurface(bool preserve_contents) {
const auto& regs{Core::System::GetInstance().GPU().Maxwell3D().regs};
if (!regs.zeta.Address() || !regs.zeta_enable) {
return {};
}
SurfaceParams depth_params{SurfaceParams::CreateForDepthBuffer(
regs.zeta_width, regs.zeta_height, regs.zeta.Address(), regs.zeta.format,
regs.zeta.memory_layout.block_width, regs.zeta.memory_layout.block_height,
regs.zeta.memory_layout.block_depth, regs.zeta.memory_layout.type)};
return GetSurface(depth_params, preserve_contents);
}
Surface RasterizerCacheOpenGL::GetColorBufferSurface(std::size_t index, bool preserve_contents) {
const auto& regs{Core::System::GetInstance().GPU().Maxwell3D().regs};
ASSERT(index < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets);
if (index >= regs.rt_control.count) {
return {};
}
if (regs.rt[index].Address() == 0 || regs.rt[index].format == Tegra::RenderTargetFormat::NONE) {
return {};
}
const SurfaceParams color_params{SurfaceParams::CreateForFramebuffer(index)};
return GetSurface(color_params, preserve_contents);
}
void RasterizerCacheOpenGL::LoadSurface(const Surface& surface) {
surface->LoadGLBuffer();
surface->UploadGLTexture(read_framebuffer.handle, draw_framebuffer.handle);
surface->MarkAsModified(false, *this);
}
Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool preserve_contents) {
if (params.addr == 0 || params.height * params.width == 0) {
return {};
}
// Look up surface in the cache based on address
Surface surface{TryGet(params.addr)};
if (surface) {
if (surface->GetSurfaceParams().IsCompatibleSurface(params)) {
// Use the cached surface as-is
return surface;
} else if (preserve_contents) {
// If surface parameters changed and we care about keeping the previous data, recreate
// the surface from the old one
Surface new_surface{RecreateSurface(surface, params)};
Unregister(surface);
Register(new_surface);
return new_surface;
} else {
// Delete the old surface before creating a new one to prevent collisions.
Unregister(surface);
}
}
// No cached surface found - get a new one
surface = GetUncachedSurface(params);
Register(surface);
// Only load surface from memory if we care about the contents
if (preserve_contents) {
LoadSurface(surface);
}
return surface;
}
Surface RasterizerCacheOpenGL::GetUncachedSurface(const SurfaceParams& params) {
Surface surface{TryGetReservedSurface(params)};
if (!surface) {
// No reserved surface available, create a new one and reserve it
surface = std::make_shared<CachedSurface>(params);
ReserveSurface(surface);
}
return surface;
}
void RasterizerCacheOpenGL::FastLayeredCopySurface(const Surface& src_surface,
const Surface& dst_surface) {
const auto& init_params{src_surface->GetSurfaceParams()};
const auto& dst_params{dst_surface->GetSurfaceParams()};
VAddr address = init_params.addr;
const std::size_t layer_size = dst_params.LayerMemorySize();
for (u32 layer = 0; layer < dst_params.depth; layer++) {
for (u32 mipmap = 0; mipmap < dst_params.max_mip_level; mipmap++) {
const VAddr sub_address = address + dst_params.GetMipmapLevelOffset(mipmap);
const Surface& copy = TryGet(sub_address);
if (!copy)
continue;
const auto& src_params{copy->GetSurfaceParams()};
const u32 width{std::min(src_params.width, dst_params.MipWidth(mipmap))};
const u32 height{std::min(src_params.height, dst_params.MipHeight(mipmap))};
glCopyImageSubData(copy->Texture().handle, SurfaceTargetToGL(src_params.target), 0, 0,
0, 0, dst_surface->Texture().handle,
SurfaceTargetToGL(dst_params.target), mipmap, 0, 0, layer, width,
height, 1);
}
address += layer_size;
}
}
void RasterizerCacheOpenGL::FermiCopySurface(
const Tegra::Engines::Fermi2D::Regs::Surface& src_config,
const Tegra::Engines::Fermi2D::Regs::Surface& dst_config) {
const auto& src_params = SurfaceParams::CreateForFermiCopySurface(src_config);
const auto& dst_params = SurfaceParams::CreateForFermiCopySurface(dst_config);
ASSERT(src_params.width == dst_params.width);
ASSERT(src_params.height == dst_params.height);
ASSERT(src_params.pixel_format == dst_params.pixel_format);
ASSERT(src_params.block_height == dst_params.block_height);
ASSERT(src_params.is_tiled == dst_params.is_tiled);
ASSERT(src_params.depth == dst_params.depth);
ASSERT(src_params.depth == 1); // Currently, FastCopySurface only works with 2D surfaces
ASSERT(src_params.target == dst_params.target);
ASSERT(src_params.rt.index == dst_params.rt.index);
FastCopySurface(GetSurface(src_params, true), GetSurface(dst_params, false));
}
void RasterizerCacheOpenGL::AccurateCopySurface(const Surface& src_surface,
const Surface& dst_surface) {
const auto& src_params{src_surface->GetSurfaceParams()};
const auto& dst_params{dst_surface->GetSurfaceParams()};
// Flush enough memory for both the source and destination surface
FlushRegion(src_params.addr, std::max(src_params.MemorySize(), dst_params.MemorySize()));
LoadSurface(dst_surface);
}
Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& old_surface,
const SurfaceParams& new_params) {
// Verify surface is compatible for blitting
auto old_params{old_surface->GetSurfaceParams()};
// Get a new surface with the new parameters, and blit the previous surface to it
Surface new_surface{GetUncachedSurface(new_params)};
// With use_accurate_gpu_emulation enabled, do an accurate surface copy
if (Settings::values.use_accurate_gpu_emulation) {
AccurateCopySurface(old_surface, new_surface);
return new_surface;
}
// For compatible surfaces, we can just do fast glCopyImageSubData based copy
if (old_params.target == new_params.target && old_params.type == new_params.type &&
old_params.depth == new_params.depth && old_params.depth == 1 &&
GetFormatBpp(old_params.pixel_format) == GetFormatBpp(new_params.pixel_format)) {
FastCopySurface(old_surface, new_surface);
return new_surface;
}
switch (new_params.target) {
case SurfaceTarget::Texture2D:
CopySurface(old_surface, new_surface, copy_pbo.handle);
break;
case SurfaceTarget::Texture1DBuffer:
case SurfaceTarget::Texture3D:
AccurateCopySurface(old_surface, new_surface);
break;
case SurfaceTarget::TextureCubemap:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubeArray:
FastLayeredCopySurface(old_surface, new_surface);
break;
default:
LOG_CRITICAL(Render_OpenGL, "Unimplemented surface target={}",
static_cast<u32>(new_params.target));
UNREACHABLE();
}
return new_surface;
}
Surface RasterizerCacheOpenGL::TryFindFramebufferSurface(VAddr addr) const {
return TryGet(addr);
}
void RasterizerCacheOpenGL::ReserveSurface(const Surface& surface) {
const auto& surface_reserve_key{SurfaceReserveKey::Create(surface->GetSurfaceParams())};
surface_reserve[surface_reserve_key] = surface;
}
Surface RasterizerCacheOpenGL::TryGetReservedSurface(const SurfaceParams& params) {
const auto& surface_reserve_key{SurfaceReserveKey::Create(params)};
auto search{surface_reserve.find(surface_reserve_key)};
if (search != surface_reserve.end()) {
return search->second;
}
return {};
}
} // namespace OpenGL
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