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dolphin/Source/Core/VideoCommon/RenderBase.cpp

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// Copyright 2010 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
// ---------------------------------------------------------------------------------------------
// GC graphics pipeline
// ---------------------------------------------------------------------------------------------
// 3d commands are issued through the fifo. The GPU draws to the 2MB EFB.
// The efb can be copied back into ram in two forms: as textures or as XFB.
// The XFB is the region in RAM that the VI chip scans out to the television.
// So, after all rendering to EFB is done, the image is copied into one of two XFBs in RAM.
// Next frame, that one is scanned out and the other one gets the copy. = double buffering.
// ---------------------------------------------------------------------------------------------
#include "VideoCommon/RenderBase.h"
#include <algorithm>
#include <cmath>
#include <memory>
#include <tuple>
#include <fmt/format.h>
#include "Common/Assert.h"
#include "Common/ChunkFile.h"
#include "Common/CommonTypes.h"
#include "Common/Config/Config.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Core/Config/GraphicsSettings.h"
#include "Core/Config/SYSCONFSettings.h"
#include "Core/ConfigManager.h"
#include "Core/Core.h"
#include "Core/DolphinAnalytics.h"
#include "Core/FifoPlayer/FifoRecorder.h"
#include "Core/FreeLookConfig.h"
#include "Core/HW/SystemTimers.h"
#include "Core/System.h"
#include "VideoCommon/AbstractFramebuffer.h"
#include "VideoCommon/AbstractGfx.h"
#include "VideoCommon/AbstractTexture.h"
#include "VideoCommon/BoundingBox.h"
#include "VideoCommon/CommandProcessor.h"
#include "VideoCommon/FrameDumper.h"
#include "VideoCommon/FramebufferManager.h"
#include "VideoCommon/FreeLookCamera.h"
#include "VideoCommon/GraphicsModSystem/Config/GraphicsModGroup.h"
#include "VideoCommon/OnScreenDisplay.h"
#include "VideoCommon/PerformanceMetrics.h"
#include "VideoCommon/PixelEngine.h"
#include "VideoCommon/PixelShaderManager.h"
#include "VideoCommon/Present.h"
#include "VideoCommon/ShaderCache.h"
#include "VideoCommon/ShaderGenCommon.h"
#include "VideoCommon/Statistics.h"
#include "VideoCommon/VertexManagerBase.h"
#include "VideoCommon/VideoBackendBase.h"
#include "VideoCommon/VideoConfig.h"
std::unique_ptr<Renderer> g_renderer;
Renderer::Renderer() : m_last_xfb_width{MAX_XFB_WIDTH}, m_last_xfb_height{MAX_XFB_HEIGHT}
{
UpdateActiveConfig();
FreeLook::UpdateActiveConfig();
CalculateTargetSize();
m_is_game_widescreen = SConfig::GetInstance().bWii && Config::Get(Config::SYSCONF_WIDESCREEN);
g_freelook_camera.SetControlType(FreeLook::GetActiveConfig().camera_config.control_type);
}
Renderer::~Renderer() = default;
bool Renderer::Initialize()
{
if (g_ActiveConfig.bGraphicMods)
{
// If a config change occurred in a previous session,
// remember the old change count value. By setting
// our current change count to the old value, we
// avoid loading the stale data when we
// check for config changes.
const u32 old_game_mod_changes = g_ActiveConfig.graphics_mod_config ?
g_ActiveConfig.graphics_mod_config->GetChangeCount() :
0;
g_ActiveConfig.graphics_mod_config = GraphicsModGroupConfig(SConfig::GetInstance().GetGameID());
g_ActiveConfig.graphics_mod_config->Load();
g_ActiveConfig.graphics_mod_config->SetChangeCount(old_game_mod_changes);
m_graphics_mod_manager.Load(*g_ActiveConfig.graphics_mod_config);
}
return true;
}
void Renderer::Shutdown()
{
g_bounding_box.reset();
}
void Renderer::BeginUtilityDrawing()
{
g_vertex_manager->Flush();
}
void Renderer::EndUtilityDrawing()
{
// Reset framebuffer/scissor/viewport. Pipeline will be reset at next draw.
g_framebuffer_manager->BindEFBFramebuffer();
BPFunctions::SetScissorAndViewport();
}
bool Renderer::EFBHasAlphaChannel() const
{
return m_prev_efb_format == PixelFormat::RGBA6_Z24;
}
void Renderer::ClearScreen(const MathUtil::Rectangle<int>& rc, bool color_enable, bool alpha_enable,
bool z_enable, u32 color, u32 z)
{
g_framebuffer_manager->FlushEFBPokes();
g_framebuffer_manager->FlagPeekCacheAsOutOfDate();
// Native -> EFB coordinates
MathUtil::Rectangle<int> target_rc = Renderer::ConvertEFBRectangle(rc);
target_rc.ClampUL(0, 0, m_target_width, m_target_height);
// Determine whether the EFB has an alpha channel. If it doesn't, we can clear the alpha
// channel to 0xFF.
// On backends that don't allow masking Alpha clears, this allows us to use the fast path
// almost all the time
if (bpmem.zcontrol.pixel_format == PixelFormat::RGB565_Z16 ||
bpmem.zcontrol.pixel_format == PixelFormat::RGB8_Z24 ||
bpmem.zcontrol.pixel_format == PixelFormat::Z24)
{
// Force alpha writes, and clear the alpha channel.
alpha_enable = true;
color &= 0x00FFFFFF;
}
g_gfx->ClearRegion(rc, target_rc, color_enable, alpha_enable, z_enable, color, z);
// Scissor rect must be restored.
BPFunctions::SetScissorAndViewport();
}
void Renderer::ReinterpretPixelData(EFBReinterpretType convtype)
{
g_framebuffer_manager->ReinterpretPixelData(convtype);
}
bool Renderer::IsBBoxEnabled() const
{
return g_bounding_box->IsEnabled();
}
void Renderer::BBoxEnable(PixelShaderManager& pixel_shader_manager)
{
g_bounding_box->Enable(pixel_shader_manager);
}
void Renderer::BBoxDisable(PixelShaderManager& pixel_shader_manager)
{
g_bounding_box->Disable(pixel_shader_manager);
}
u16 Renderer::BBoxRead(u32 index)
{
if (!g_ActiveConfig.bBBoxEnable || !g_ActiveConfig.backend_info.bSupportsBBox)
return m_bounding_box_fallback[index];
return g_bounding_box->Get(index);
}
void Renderer::BBoxWrite(u32 index, u16 value)
{
if (!g_ActiveConfig.bBBoxEnable || !g_ActiveConfig.backend_info.bSupportsBBox)
{
m_bounding_box_fallback[index] = value;
return;
}
g_bounding_box->Set(index, value);
}
void Renderer::BBoxFlush()
{
if (!g_ActiveConfig.bBBoxEnable || !g_ActiveConfig.backend_info.bSupportsBBox)
return;
g_bounding_box->Flush();
}
u32 Renderer::AccessEFB(EFBAccessType type, u32 x, u32 y, u32 poke_data)
{
if (type == EFBAccessType::PeekColor)
{
u32 color = g_framebuffer_manager->PeekEFBColor(x, y);
// a little-endian value is expected to be returned
color = ((color & 0xFF00FF00) | ((color >> 16) & 0xFF) | ((color << 16) & 0xFF0000));
if (bpmem.zcontrol.pixel_format == PixelFormat::RGBA6_Z24)
{
color = RGBA8ToRGBA6ToRGBA8(color);
}
else if (bpmem.zcontrol.pixel_format == PixelFormat::RGB565_Z16)
{
color = RGBA8ToRGB565ToRGBA8(color);
}
if (bpmem.zcontrol.pixel_format != PixelFormat::RGBA6_Z24)
{
color |= 0xFF000000;
}
// check what to do with the alpha channel (GX_PokeAlphaRead)
PixelEngine::AlphaReadMode alpha_read_mode =
Core::System::GetInstance().GetPixelEngine().GetAlphaReadMode();
if (alpha_read_mode == PixelEngine::AlphaReadMode::ReadNone)
{
return color;
}
else if (alpha_read_mode == PixelEngine::AlphaReadMode::ReadFF)
{
return color | 0xFF000000;
}
else
{
if (alpha_read_mode != PixelEngine::AlphaReadMode::Read00)
{
PanicAlertFmt("Invalid PE alpha read mode: {}", static_cast<u16>(alpha_read_mode));
}
return color & 0x00FFFFFF;
}
}
else // if (type == EFBAccessType::PeekZ)
{
// Depth buffer is inverted for improved precision near far plane
float depth = g_framebuffer_manager->PeekEFBDepth(x, y);
if (!g_ActiveConfig.backend_info.bSupportsReversedDepthRange)
depth = 1.0f - depth;
// Convert to 24bit depth
u32 z24depth = std::clamp<u32>(static_cast<u32>(depth * 16777216.0f), 0, 0xFFFFFF);
if (bpmem.zcontrol.pixel_format == PixelFormat::RGB565_Z16)
{
// When in RGB565_Z16 mode, EFB Z peeks return a 16bit value, which is presumably a
// resolved sample from the MSAA buffer.
// Dolphin doesn't currently emulate the 3 sample MSAA mode (and potentially never will)
// it just transparently upgrades the framebuffer to 24bit depth and color and whatever
// level of MSAA and higher Internal Resolution the user has configured.
// This is mostly transparent, unless the game does an EFB read.
// But we can simply convert the 24bit depth on the fly to the 16bit depth the game expects.
return CompressZ16(z24depth, bpmem.zcontrol.zformat);
}
return z24depth;
}
}
void Renderer::PokeEFB(EFBAccessType type, const EfbPokeData* points, size_t num_points)
{
if (type == EFBAccessType::PokeColor)
{
for (size_t i = 0; i < num_points; i++)
{
// Convert to expected format (BGRA->RGBA)
// TODO: Check alpha, depending on mode?
const EfbPokeData& point = points[i];
u32 color = ((point.data & 0xFF00FF00) | ((point.data >> 16) & 0xFF) |
((point.data << 16) & 0xFF0000));
g_framebuffer_manager->PokeEFBColor(point.x, point.y, color);
}
}
else // if (type == EFBAccessType::PokeZ)
{
for (size_t i = 0; i < num_points; i++)
{
// Convert to floating-point depth.
const EfbPokeData& point = points[i];
float depth = float(point.data & 0xFFFFFF) / 16777216.0f;
if (!g_ActiveConfig.backend_info.bSupportsReversedDepthRange)
depth = 1.0f - depth;
g_framebuffer_manager->PokeEFBDepth(point.x, point.y, depth);
}
}
}
void Renderer::RenderToXFB(u32 xfbAddr, const MathUtil::Rectangle<int>& sourceRc, u32 fbStride,
u32 fbHeight, float Gamma)
{
CheckFifoRecording();
if (!fbStride || !fbHeight)
return;
}
unsigned int Renderer::GetEFBScale() const
{
return m_efb_scale;
}
int Renderer::EFBToScaledX(int x) const
{
return x * static_cast<int>(m_efb_scale);
}
int Renderer::EFBToScaledY(int y) const
{
return y * static_cast<int>(m_efb_scale);
}
float Renderer::EFBToScaledXf(float x) const
{
return x * ((float)GetTargetWidth() / (float)EFB_WIDTH);
}
float Renderer::EFBToScaledYf(float y) const
{
return y * ((float)GetTargetHeight() / (float)EFB_HEIGHT);
}
std::tuple<int, int> Renderer::CalculateTargetScale(int x, int y) const
{
return std::make_tuple(x * static_cast<int>(m_efb_scale), y * static_cast<int>(m_efb_scale));
}
// return true if target size changed
bool Renderer::CalculateTargetSize()
{
if (g_ActiveConfig.iEFBScale == EFB_SCALE_AUTO_INTEGRAL)
{
auto target_rectangle = g_presenter->GetTargetRectangle();
// Set a scale based on the window size
int width = EFB_WIDTH * target_rectangle.GetWidth() / m_last_xfb_width;
int height = EFB_HEIGHT * target_rectangle.GetHeight() / m_last_xfb_height;
m_efb_scale = std::max((width - 1) / EFB_WIDTH + 1, (height - 1) / EFB_HEIGHT + 1);
}
else
{
m_efb_scale = g_ActiveConfig.iEFBScale;
}
const u32 max_size = g_ActiveConfig.backend_info.MaxTextureSize;
if (max_size < EFB_WIDTH * m_efb_scale)
m_efb_scale = max_size / EFB_WIDTH;
auto [new_efb_width, new_efb_height] = CalculateTargetScale(EFB_WIDTH, EFB_HEIGHT);
new_efb_width = std::max(new_efb_width, 1);
new_efb_height = std::max(new_efb_height, 1);
if (new_efb_width != m_target_width || new_efb_height != m_target_height)
{
m_target_width = new_efb_width;
m_target_height = new_efb_height;
auto& system = Core::System::GetInstance();
auto& pixel_shader_manager = system.GetPixelShaderManager();
pixel_shader_manager.SetEfbScaleChanged(EFBToScaledXf(1), EFBToScaledYf(1));
return true;
}
return false;
}
void Renderer::CheckForConfigChanges()
{
const ShaderHostConfig old_shader_host_config = ShaderHostConfig::GetCurrent();
const StereoMode old_stereo = g_ActiveConfig.stereo_mode;
const u32 old_multisamples = g_ActiveConfig.iMultisamples;
const int old_anisotropy = g_ActiveConfig.iMaxAnisotropy;
const int old_efb_access_tile_size = g_ActiveConfig.iEFBAccessTileSize;
const auto old_texture_filtering_mode = g_ActiveConfig.texture_filtering_mode;
const bool old_vsync = g_ActiveConfig.bVSyncActive;
const bool old_bbox = g_ActiveConfig.bBBoxEnable;
const u32 old_game_mod_changes =
g_ActiveConfig.graphics_mod_config ? g_ActiveConfig.graphics_mod_config->GetChangeCount() : 0;
const bool old_graphics_mods_enabled = g_ActiveConfig.bGraphicMods;
UpdateActiveConfig();
FreeLook::UpdateActiveConfig();
g_vertex_manager->OnConfigChange();
g_freelook_camera.SetControlType(FreeLook::GetActiveConfig().camera_config.control_type);
if (g_ActiveConfig.bGraphicMods && !old_graphics_mods_enabled)
{
g_ActiveConfig.graphics_mod_config = GraphicsModGroupConfig(SConfig::GetInstance().GetGameID());
g_ActiveConfig.graphics_mod_config->Load();
}
if (g_ActiveConfig.graphics_mod_config &&
(old_game_mod_changes != g_ActiveConfig.graphics_mod_config->GetChangeCount()))
{
m_graphics_mod_manager.Load(*g_ActiveConfig.graphics_mod_config);
}
// Update texture cache settings with any changed options.
g_texture_cache->OnConfigChanged(g_ActiveConfig);
// EFB tile cache doesn't need to notify the backend.
if (old_efb_access_tile_size != g_ActiveConfig.iEFBAccessTileSize)
g_framebuffer_manager->SetEFBCacheTileSize(std::max(g_ActiveConfig.iEFBAccessTileSize, 0));
// Determine which (if any) settings have changed.
ShaderHostConfig new_host_config = ShaderHostConfig::GetCurrent();
u32 changed_bits = 0;
if (old_shader_host_config.bits != new_host_config.bits)
changed_bits |= CONFIG_CHANGE_BIT_HOST_CONFIG;
if (old_stereo != g_ActiveConfig.stereo_mode)
changed_bits |= CONFIG_CHANGE_BIT_STEREO_MODE;
if (old_multisamples != g_ActiveConfig.iMultisamples)
changed_bits |= CONFIG_CHANGE_BIT_MULTISAMPLES;
if (old_anisotropy != g_ActiveConfig.iMaxAnisotropy)
changed_bits |= CONFIG_CHANGE_BIT_ANISOTROPY;
if (old_texture_filtering_mode != g_ActiveConfig.texture_filtering_mode)
changed_bits |= CONFIG_CHANGE_BIT_FORCE_TEXTURE_FILTERING;
if (old_vsync != g_ActiveConfig.bVSyncActive)
changed_bits |= CONFIG_CHANGE_BIT_VSYNC;
if (old_bbox != g_ActiveConfig.bBBoxEnable)
changed_bits |= CONFIG_CHANGE_BIT_BBOX;
if (CalculateTargetSize())
changed_bits |= CONFIG_CHANGE_BIT_TARGET_SIZE;
g_presenter->CheckForConfigChanges(changed_bits);
// No changes?
if (changed_bits == 0)
return;
// Notify the backend of the changes, if any.
g_gfx->OnConfigChanged(changed_bits);
// If there's any shader changes, wait for the GPU to finish before destroying anything.
if (changed_bits & (CONFIG_CHANGE_BIT_HOST_CONFIG | CONFIG_CHANGE_BIT_MULTISAMPLES))
{
g_gfx->WaitForGPUIdle();
g_gfx->SetPipeline(nullptr);
}
// Framebuffer changed?
if (changed_bits & (CONFIG_CHANGE_BIT_MULTISAMPLES | CONFIG_CHANGE_BIT_STEREO_MODE |
CONFIG_CHANGE_BIT_TARGET_SIZE))
{
g_framebuffer_manager->RecreateEFBFramebuffer();
}
// Reload shaders if host config has changed.
if (changed_bits & (CONFIG_CHANGE_BIT_HOST_CONFIG | CONFIG_CHANGE_BIT_MULTISAMPLES))
{
OSD::AddMessage("Video config changed, reloading shaders.", OSD::Duration::NORMAL);
g_vertex_manager->InvalidatePipelineObject();
g_shader_cache->SetHostConfig(new_host_config);
g_shader_cache->Reload();
g_framebuffer_manager->RecompileShaders();
}
// Viewport and scissor rect have to be reset since they will be scaled differently.
if (changed_bits & CONFIG_CHANGE_BIT_TARGET_SIZE)
{
BPFunctions::SetScissorAndViewport();
}
}
MathUtil::Rectangle<int> Renderer::ConvertEFBRectangle(const MathUtil::Rectangle<int>& rc) const
{
MathUtil::Rectangle<int> result;
result.left = EFBToScaledX(rc.left);
result.top = EFBToScaledY(rc.top);
result.right = EFBToScaledX(rc.right);
result.bottom = EFBToScaledY(rc.bottom);
return result;
}
void Renderer::CheckFifoRecording()
{
const bool was_recording = OpcodeDecoder::g_record_fifo_data;
OpcodeDecoder::g_record_fifo_data = FifoRecorder::GetInstance().IsRecording();
if (!OpcodeDecoder::g_record_fifo_data)
return;
if (!was_recording)
{
RecordVideoMemory();
}
auto& system = Core::System::GetInstance();
auto& command_processor = system.GetCommandProcessor();
const auto& fifo = command_processor.GetFifo();
FifoRecorder::GetInstance().EndFrame(fifo.CPBase.load(std::memory_order_relaxed),
fifo.CPEnd.load(std::memory_order_relaxed));
}
void Renderer::RecordVideoMemory()
{
const u32* bpmem_ptr = reinterpret_cast<const u32*>(&bpmem);
u32 cpmem[256] = {};
// The FIFO recording format splits XF memory into xfmem and xfregs; follow
// that split here.
const u32* xfmem_ptr = reinterpret_cast<const u32*>(&xfmem);
const u32* xfregs_ptr = reinterpret_cast<const u32*>(&xfmem) + FifoDataFile::XF_MEM_SIZE;
u32 xfregs_size = sizeof(XFMemory) / 4 - FifoDataFile::XF_MEM_SIZE;
g_main_cp_state.FillCPMemoryArray(cpmem);
FifoRecorder::GetInstance().SetVideoMemory(bpmem_ptr, cpmem, xfmem_ptr, xfregs_ptr, xfregs_size,
texMem);
}
void Renderer::ForceReloadTextures()
{
m_force_reload_textures.Set();
}
// Heuristic to detect if a GameCube game is in 16:9 anamorphic widescreen mode.
void Renderer::UpdateWidescreenHeuristic()
{
// VertexManager maintains no statistics in Wii mode.
if (SConfig::GetInstance().bWii)
return;
const auto flush_statistics = g_vertex_manager->ResetFlushAspectRatioCount();
// If suggested_aspect_mode (GameINI) is configured don't use heuristic.
if (g_ActiveConfig.suggested_aspect_mode != AspectMode::Auto)
return;
// If widescreen hack isn't active and aspect_mode (UI) is 4:3 or 16:9 don't use heuristic.
if (!g_ActiveConfig.bWidescreenHack && (g_ActiveConfig.aspect_mode == AspectMode::Analog ||
g_ActiveConfig.aspect_mode == AspectMode::AnalogWide))
return;
// Modify the threshold based on which aspect ratio we're already using:
// If the game's in 4:3, it probably won't switch to anamorphic, and vice-versa.
static constexpr u32 TRANSITION_THRESHOLD = 3;
const auto looks_normal = [](auto& counts) {
return counts.normal_vertex_count > counts.anamorphic_vertex_count * TRANSITION_THRESHOLD;
};
const auto looks_anamorphic = [](auto& counts) {
return counts.anamorphic_vertex_count > counts.normal_vertex_count * TRANSITION_THRESHOLD;
};
const auto& persp = flush_statistics.perspective;
const auto& ortho = flush_statistics.orthographic;
const auto ortho_looks_anamorphic = looks_anamorphic(ortho);
if (looks_anamorphic(persp) || ortho_looks_anamorphic)
{
// If either perspective or orthographic projections look anamorphic, it's a safe bet.
m_is_game_widescreen = true;
}
else if (looks_normal(persp) || (m_was_orthographically_anamorphic && looks_normal(ortho)))
{
// Many widescreen games (or AR/GeckoCodes) use anamorphic perspective projections
// with NON-anamorphic orthographic projections.
// This can cause incorrect changes to 4:3 when perspective projections are temporarily not
// shown. e.g. Animal Crossing's inventory menu.
// Unless we were in a situation which was orthographically anamorphic
// we won't consider orthographic data for changes from 16:9 to 4:3.
m_is_game_widescreen = false;
}
m_was_orthographically_anamorphic = ortho_looks_anamorphic;
}
void Renderer::Swap(u32 xfb_addr, u32 fb_width, u32 fb_stride, u32 fb_height, u64 ticks)
{
if (SConfig::GetInstance().bWii)
m_is_game_widescreen = Config::Get(Config::SYSCONF_WIDESCREEN);
// suggested_aspect_mode overrides SYSCONF_WIDESCREEN
if (g_ActiveConfig.suggested_aspect_mode == AspectMode::Analog)
m_is_game_widescreen = false;
else if (g_ActiveConfig.suggested_aspect_mode == AspectMode::AnalogWide)
m_is_game_widescreen = true;
// If widescreen hack is disabled override game's AR if UI is set to 4:3 or 16:9.
if (!g_ActiveConfig.bWidescreenHack)
{
const auto aspect_mode = g_ActiveConfig.aspect_mode;
if (aspect_mode == AspectMode::Analog)
m_is_game_widescreen = false;
else if (aspect_mode == AspectMode::AnalogWide)
m_is_game_widescreen = true;
}
UpdateWidescreenHeuristic();
// Ensure the last frame was written to the dump.
// This is required even if frame dumping has stopped, since the frame dump is one frame
// behind the renderer.
g_frame_dumper->FlushFrameDump();
if (g_ActiveConfig.bGraphicMods)
{
m_graphics_mod_manager.EndOfFrame();
}
g_framebuffer_manager->EndOfFrame();
if (xfb_addr && fb_width && fb_stride && fb_height)
{
// Get the current XFB from texture cache
g_presenter->ReleaseXFBContentLock();
MathUtil::Rectangle<int> xfb_rect;
RcTcacheEntry xfb_entry =
g_texture_cache->GetXFBTexture(xfb_addr, fb_width, fb_height, fb_stride, &xfb_rect);
bool is_duplicate_frame =
g_presenter->SubmitXFB(std::move(xfb_entry), xfb_rect, ticks, m_frame_count);
if (!g_ActiveConfig.bSkipPresentingDuplicateXFBs || !is_duplicate_frame)
{
if (!is_duplicate_frame)
{
DolphinAnalytics::PerformanceSample perf_sample;
perf_sample.speed_ratio = SystemTimers::GetEstimatedEmulationPerformance();
perf_sample.num_prims = g_stats.this_frame.num_prims + g_stats.this_frame.num_dl_prims;
perf_sample.num_draw_calls = g_stats.this_frame.num_draw_calls;
DolphinAnalytics::Instance().ReportPerformanceInfo(std::move(perf_sample));
// Begin new frame
m_frame_count++;
g_stats.ResetFrame();
}
g_shader_cache->RetrieveAsyncShaders();
g_vertex_manager->OnEndFrame();
// We invalidate the pipeline object at the start of the frame.
// This is for the rare case where only a single pipeline configuration is used,
// and hybrid ubershaders have compiled the specialized shader, but without any
// state changes the specialized shader will not take over.
g_vertex_manager->InvalidatePipelineObject();
if (m_force_reload_textures.TestAndClear())
{
g_texture_cache->ForceReload();
}
else
{
// Flush any outstanding EFB copies to RAM, in case the game is running at an uncapped frame
// rate and not waiting for vblank. Otherwise, we'd end up with a huge list of pending
// copies.
g_texture_cache->FlushEFBCopies();
}
if (!is_duplicate_frame)
{
// Remove stale EFB/XFB copies.
g_texture_cache->Cleanup(m_frame_count);
const double last_speed_denominator = g_perf_metrics.GetLastSpeedDenominator();
// The denominator should always be > 0 but if it's not, just return 1
const double last_speed =
last_speed_denominator > 0.0 ? (1.0 / last_speed_denominator) : 1.0;
Core::Callback_FramePresented(last_speed);
}
// Handle any config changes, this gets propagated to the backend.
CheckForConfigChanges();
g_Config.iSaveTargetId = 0;
}
else
{
g_gfx->Flush();
}
// Update our last xfb values
m_last_xfb_addr = xfb_addr;
m_last_xfb_ticks = ticks;
m_last_xfb_width = fb_width;
m_last_xfb_stride = fb_stride;
m_last_xfb_height = fb_height;
}
else
{
g_gfx->Flush();
}
}
bool Renderer::UseVertexDepthRange() const
{
// We can't compute the depth range in the vertex shader if we don't support depth clamp.
if (!g_ActiveConfig.backend_info.bSupportsDepthClamp)
return false;
// We need a full depth range if a ztexture is used.
if (bpmem.ztex2.op != ZTexOp::Disabled && !bpmem.zcontrol.early_ztest)
return true;
// If an inverted depth range is unsupported, we also need to check if the range is inverted.
if (!g_ActiveConfig.backend_info.bSupportsReversedDepthRange && xfmem.viewport.zRange < 0.0f)
return true;
// If an oversized depth range or a ztexture is used, we need to calculate the depth range
// in the vertex shader.
return fabs(xfmem.viewport.zRange) > 16777215.0f || fabs(xfmem.viewport.farZ) > 16777215.0f;
}
void Renderer::DoState(PointerWrap& p)
{
p.Do(m_is_game_widescreen);
p.Do(m_frame_count);
p.Do(m_prev_efb_format);
p.Do(m_last_xfb_ticks);
p.Do(m_last_xfb_addr);
p.Do(m_last_xfb_width);
p.Do(m_last_xfb_stride);
p.Do(m_last_xfb_height);
p.DoArray(m_bounding_box_fallback);
g_bounding_box->DoState(p);
if (p.IsReadMode())
{
// Force the next xfb to be displayed.
g_presenter->ClearLastXfbId();
m_was_orthographically_anamorphic = false;
// And actually display it.
Swap(m_last_xfb_addr, m_last_xfb_width, m_last_xfb_stride, m_last_xfb_height, m_last_xfb_ticks);
}
#if defined(HAVE_FFMPEG)
g_frame_dumper->DoState(p);
#endif
}
const GraphicsModManager& Renderer::GetGraphicsModManager() const
{
return m_graphics_mod_manager;
}
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