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GPU: Add downsample scale option

This commit is contained in:
Stenzek 2023-09-03 17:10:40 +10:00
parent c0af478dfd
commit 585cf25ac4
11 changed files with 169 additions and 52 deletions
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11
src/core/fullscreen_ui.cpp
View File

@ -3907,6 +3907,17 @@ void FullscreenUI::DrawDisplaySettingsPage()
"GPU", "DownsampleMode", Settings::DEFAULT_GPU_DOWNSAMPLE_MODE, &Settings::ParseDownsampleModeName,
&Settings::GetDownsampleModeName, &Settings::GetDownsampleModeDisplayName, GPUDownsampleMode::Count,
(renderer != GPURenderer::Software));
if (Settings::ParseDownsampleModeName(
GetEffectiveStringSetting(bsi, "GPU", "DownsampleMode",
Settings::GetDownsampleModeName(Settings::DEFAULT_GPU_DOWNSAMPLE_MODE))
.c_str())
.value_or(Settings::DEFAULT_GPU_DOWNSAMPLE_MODE) == GPUDownsampleMode::Box)
{
DrawIntRangeSetting(bsi, FSUI_CSTR("Downsampling Display Scale"),
FSUI_CSTR("Selects the resolution scale that will be applied to the final image. 1x will "
"downsample to the original console resolution."),
"GPU", "DownsampleScale", 1, 1, GPU::MAX_RESOLUTION_SCALE, "%dx");
}
DrawEnumSetting(
bsi, FSUI_CSTR("Scaling"),

139
src/core/gpu_hw.cpp
View File

@ -19,6 +19,7 @@
#include "common/scoped_guard.h"
#include "common/string_util.h"
#include "IconsFontAwesome5.h"
#include "imgui.h"
#include <cmath>
@ -50,6 +51,14 @@ ALWAYS_INLINE static u32 GetMaxResolutionScale()
return g_gpu_device->GetMaxTextureSize() / VRAM_WIDTH;
}
ALWAYS_INLINE_RELEASE static u32 GetBoxDownsampleScale()
{
u32 scale = std::min<u32>(g_settings.gpu_resolution_scale, g_settings.gpu_downsample_scale);
while ((g_settings.gpu_resolution_scale % scale) != 0)
scale--;
return scale;
}
ALWAYS_INLINE static bool ShouldUseUVLimits()
{
// We only need UV limits if PGXP is enabled, or texture filtering is enabled.
@ -166,38 +175,7 @@ bool GPU_HW::Initialize()
m_wireframe_mode = g_settings.gpu_wireframe_mode;
m_disable_color_perspective = features.noperspective_interpolation && ShouldDisableColorPerspective();
if (m_multisamples != g_settings.gpu_multisamples)
{
Host::AddFormattedOSDMessage(Host::OSD_CRITICAL_ERROR_DURATION,
TRANSLATE("OSDMessage", "%ux MSAA is not supported, using %ux instead."),
g_settings.gpu_multisamples, m_multisamples);
}
if (!m_per_sample_shading && g_settings.gpu_per_sample_shading)
{
Host::AddOSDMessage(TRANSLATE_STR("OSDMessage", "SSAA is not supported, using MSAA instead."), 20.0f);
}
if (!features.dual_source_blend && TextureFilterRequiresDualSourceBlend(m_texture_filtering))
{
Host::AddFormattedOSDMessage(
Host::OSD_CRITICAL_ERROR_DURATION,
TRANSLATE("OSDMessage", "Texture filter '%s' is not supported with the current renderer."),
Settings::GetTextureFilterDisplayName(m_texture_filtering));
m_texture_filtering = GPUTextureFilter::Nearest;
}
if (!features.noperspective_interpolation && !ShouldDisableColorPerspective())
Log_WarningPrint("Disable color perspective not supported, but should be used.");
if (!features.geometry_shaders && m_wireframe_mode != GPUWireframeMode::Disabled)
{
Host::AddOSDMessage(
TRANSLATE("OSDMessage",
"Geometry shaders are not supported by your GPU, and are required for wireframe rendering."),
Host::OSD_CRITICAL_ERROR_DURATION);
m_wireframe_mode = GPUWireframeMode::Disabled;
}
m_pgxp_depth_buffer = g_settings.UsingPGXPDepthBuffer();
CheckSettings();
UpdateSoftwareRenderer(false);
@ -316,14 +294,18 @@ void GPU_HW::UpdateSettings(const Settings& old_settings)
// TODO: Use old_settings
const bool framebuffer_changed =
(m_resolution_scale != resolution_scale || m_multisamples != multisamples || m_downsample_mode != downsample_mode);
(m_resolution_scale != resolution_scale || m_multisamples != multisamples || m_downsample_mode != downsample_mode ||
(m_downsample_mode == GPUDownsampleMode::Box &&
g_settings.gpu_downsample_scale != old_settings.gpu_downsample_scale));
const bool shaders_changed =
(m_resolution_scale != resolution_scale || m_multisamples != multisamples ||
m_true_color != g_settings.gpu_true_color || m_per_sample_shading != per_sample_shading ||
m_scaled_dithering != g_settings.gpu_scaled_dithering || m_texture_filtering != g_settings.gpu_texture_filter ||
m_using_uv_limits != use_uv_limits || m_chroma_smoothing != g_settings.gpu_24bit_chroma_smoothing ||
m_downsample_mode != downsample_mode || m_wireframe_mode != wireframe_mode ||
m_pgxp_depth_buffer != g_settings.UsingPGXPDepthBuffer() ||
m_downsample_mode != downsample_mode ||
(m_downsample_mode == GPUDownsampleMode::Box &&
g_settings.gpu_downsample_scale != old_settings.gpu_downsample_scale) ||
m_wireframe_mode != wireframe_mode || m_pgxp_depth_buffer != g_settings.UsingPGXPDepthBuffer() ||
m_disable_color_perspective != disable_color_perspective);
if (m_resolution_scale != resolution_scale)
@ -369,8 +351,7 @@ void GPU_HW::UpdateSettings(const Settings& old_settings)
m_wireframe_mode = wireframe_mode;
m_disable_color_perspective = disable_color_perspective;
if (!m_supports_dual_source_blend && TextureFilterRequiresDualSourceBlend(m_texture_filtering))
m_texture_filtering = GPUTextureFilter::Nearest;
CheckSettings();
if (m_pgxp_depth_buffer != g_settings.UsingPGXPDepthBuffer())
{
@ -404,6 +385,72 @@ void GPU_HW::UpdateSettings(const Settings& old_settings)
}
}
void GPU_HW::CheckSettings()
{
const GPUDevice::Features features = g_gpu_device->GetFeatures();
if (m_multisamples != g_settings.gpu_multisamples)
{
Host::AddIconOSDMessage("MSAAUnsupported", ICON_FA_PAINT_BRUSH,
fmt::format(TRANSLATE_FS("OSDMessage", "{}x MSAA is not supported, using {}x instead."),
g_settings.gpu_multisamples, m_multisamples),
Host::OSD_CRITICAL_ERROR_DURATION);
}
else
{
Host::RemoveKeyedOSDMessage("MSAAUnsupported");
}
if (!m_per_sample_shading && g_settings.gpu_per_sample_shading)
{
Host::AddOSDMessage(TRANSLATE_STR("OSDMessage", "SSAA is not supported, using MSAA instead."), 20.0f);
}
if (!features.dual_source_blend && TextureFilterRequiresDualSourceBlend(m_texture_filtering))
{
Host::AddFormattedOSDMessage(
Host::OSD_CRITICAL_ERROR_DURATION,
TRANSLATE("OSDMessage", "Texture filter '%s' is not supported with the current renderer."),
Settings::GetTextureFilterDisplayName(m_texture_filtering));
m_texture_filtering = GPUTextureFilter::Nearest;
}
if (!features.noperspective_interpolation && !ShouldDisableColorPerspective())
Log_WarningPrint("Disable color perspective not supported, but should be used.");
if (!features.geometry_shaders && m_wireframe_mode != GPUWireframeMode::Disabled)
{
Host::AddOSDMessage(
TRANSLATE("OSDMessage",
"Geometry shaders are not supported by your GPU, and are required for wireframe rendering."),
Host::OSD_CRITICAL_ERROR_DURATION);
m_wireframe_mode = GPUWireframeMode::Disabled;
}
if (m_downsample_mode == GPUDownsampleMode::Box)
{
const u32 scale = GetBoxDownsampleScale();
if (scale != g_settings.gpu_downsample_scale || scale == g_settings.gpu_resolution_scale)
{
Host::AddIconOSDMessage(
"BoxDownsampleUnsupported", ICON_FA_PAINT_BRUSH,
fmt::format(
TRANSLATE_FS("OSDMessage",
"Resolution scale {0}x is not divisible by downsample scale {1}x, using {2}x instead."),
g_settings.gpu_resolution_scale, g_settings.gpu_downsample_scale, scale),
Host::OSD_ERROR_DURATION);
}
else
{
Host::RemoveKeyedOSDMessage("BoxDownsampleUnsupported");
}
if (scale == g_settings.gpu_resolution_scale)
m_downsample_mode = GPUDownsampleMode::Disabled;
}
m_pgxp_depth_buffer = g_settings.UsingPGXPDepthBuffer();
}
u32 GPU_HW::CalculateResolutionScale() const
{
const u32 max_resolution_scale = GetMaxResolutionScale();
@ -580,7 +627,9 @@ bool GPU_HW::CreateBuffers()
}
else if (m_downsample_mode == GPUDownsampleMode::Box)
{
if (!(m_downsample_render_texture = g_gpu_device->CreateTexture(VRAM_WIDTH, VRAM_HEIGHT, 1, 1, 1,
const u32 downsample_scale = GetBoxDownsampleScale();
if (!(m_downsample_render_texture =
g_gpu_device->CreateTexture(VRAM_WIDTH * downsample_scale, VRAM_HEIGHT * downsample_scale, 1, 1, 1,
GPUTexture::Type::RenderTarget, VRAM_RT_FORMAT)) ||
!(m_downsample_framebuffer = g_gpu_device->CreateFramebuffer(m_downsample_render_texture.get())))
{
@ -1056,8 +1105,9 @@ bool GPU_HW::CompilePipelines()
}
else if (m_downsample_mode == GPUDownsampleMode::Box)
{
std::unique_ptr<GPUShader> fs =
g_gpu_device->CreateShader(GPUShaderStage::Fragment, shadergen.GenerateBoxSampleDownsampleFragmentShader());
std::unique_ptr<GPUShader> fs = g_gpu_device->CreateShader(
GPUShaderStage::Fragment,
shadergen.GenerateBoxSampleDownsampleFragmentShader(m_resolution_scale / GetBoxDownsampleScale()));
if (!fs)
return false;
@ -2642,10 +2692,11 @@ void GPU_HW::DownsampleFramebufferAdaptive(GPUTexture* source, u32 left, u32 top
void GPU_HW::DownsampleFramebufferBoxFilter(GPUTexture* source, u32 left, u32 top, u32 width, u32 height)
{
const u32 ds_left = left / m_resolution_scale;
const u32 ds_top = top / m_resolution_scale;
const u32 ds_width = width / m_resolution_scale;
const u32 ds_height = height / m_resolution_scale;
const u32 factor = m_resolution_scale / GetBoxDownsampleScale();
const u32 ds_left = left / factor;
const u32 ds_top = top / factor;
const u32 ds_width = width / factor;
const u32 ds_height = height / factor;
source->MakeReadyForSampling();

1
src/core/gpu_hw.h
View File

@ -347,4 +347,5 @@ private:
}
void PrintSettingsToLog();
void CheckSettings();
};

12
src/core/gpu_hw_shadergen.cpp
View File

@ -1558,24 +1558,26 @@ std::string GPU_HW_ShaderGen::GenerateAdaptiveDownsampleCompositeFragmentShader(
return ss.str();
}
std::string GPU_HW_ShaderGen::GenerateBoxSampleDownsampleFragmentShader()
std::string GPU_HW_ShaderGen::GenerateBoxSampleDownsampleFragmentShader(u32 factor)
{
std::stringstream ss;
WriteHeader(ss);
WriteCommonFunctions(ss);
DeclareTexture(ss, "samp0", 0, false);
ss << "#define FACTOR " << factor << "\n";
DeclareFragmentEntryPoint(ss, 0, 1, {}, true, 1, false, false, false, false);
ss << R"(
{
float3 color = float3(0.0, 0.0, 0.0);
uint2 base_coords = uint2(v_pos.xy) * uint2(RESOLUTION_SCALE, RESOLUTION_SCALE);
for (uint offset_x = 0u; offset_x < RESOLUTION_SCALE; offset_x++)
uint2 base_coords = uint2(v_pos.xy) * uint2(FACTOR, FACTOR);
for (uint offset_x = 0u; offset_x < FACTOR; offset_x++)
{
for (uint offset_y = 0u; offset_y < RESOLUTION_SCALE; offset_y++)
for (uint offset_y = 0u; offset_y < FACTOR; offset_y++)
color += LOAD_TEXTURE(samp0, int2(base_coords + uint2(offset_x, offset_y)), 0).rgb;
}
color /= float(RESOLUTION_SCALE * RESOLUTION_SCALE);
color /= float(FACTOR * FACTOR);
o_col0 = float4(color, 1.0);
}
)";

2
src/core/gpu_hw_shadergen.h
View File

@ -30,7 +30,7 @@ public:
std::string GenerateAdaptiveDownsampleMipFragmentShader(bool first_pass);
std::string GenerateAdaptiveDownsampleBlurFragmentShader();
std::string GenerateAdaptiveDownsampleCompositeFragmentShader();
std::string GenerateBoxSampleDownsampleFragmentShader();
std::string GenerateBoxSampleDownsampleFragmentShader(u32 factor);
private:
ALWAYS_INLINE bool UsingMSAA() const { return m_multisamples > 1; }

2
src/core/settings.cpp
View File

@ -225,6 +225,7 @@ void Settings::Load(SettingsInterface& si)
ParseDownsampleModeName(
si.GetStringValue("GPU", "DownsampleMode", GetDownsampleModeName(DEFAULT_GPU_DOWNSAMPLE_MODE)).c_str())
.value_or(DEFAULT_GPU_DOWNSAMPLE_MODE);
gpu_downsample_scale = static_cast<u8>(si.GetUIntValue("GPU", "DownsampleScale", 1));
gpu_wireframe_mode =
ParseGPUWireframeMode(
si.GetStringValue("GPU", "WireframeMode", GetGPUWireframeModeName(DEFAULT_GPU_WIREFRAME_MODE)).c_str())
@ -466,6 +467,7 @@ void Settings::Save(SettingsInterface& si) const
si.SetBoolValue("GPU", "ScaledDithering", gpu_scaled_dithering);
si.SetStringValue("GPU", "TextureFilter", GetTextureFilterName(gpu_texture_filter));
si.SetStringValue("GPU", "DownsampleMode", GetDownsampleModeName(gpu_downsample_mode));
si.SetUIntValue("GPU", "DownsampleScale", gpu_downsample_scale);
si.SetStringValue("GPU", "WireframeMode", GetGPUWireframeModeName(gpu_wireframe_mode));
si.SetBoolValue("GPU", "DisableInterlacing", gpu_disable_interlacing);
si.SetBoolValue("GPU", "ForceNTSCTimings", gpu_force_ntsc_timings);

1
src/core/settings.h
View File

@ -106,6 +106,7 @@ struct Settings
bool gpu_scaled_dithering = true;
GPUTextureFilter gpu_texture_filter = DEFAULT_GPU_TEXTURE_FILTER;
GPUDownsampleMode gpu_downsample_mode = DEFAULT_GPU_DOWNSAMPLE_MODE;
u8 gpu_downsample_scale = 1;
GPUWireframeMode gpu_wireframe_mode = DEFAULT_GPU_WIREFRAME_MODE;
bool gpu_disable_interlacing = true;
bool gpu_force_ntsc_timings = false;

1
src/core/system.cpp
View File

@ -3590,6 +3590,7 @@ void System::CheckForSettingsChanges(const Settings& old_settings)
g_settings.gpu_force_ntsc_timings != old_settings.gpu_force_ntsc_timings ||
g_settings.gpu_24bit_chroma_smoothing != old_settings.gpu_24bit_chroma_smoothing ||
g_settings.gpu_downsample_mode != old_settings.gpu_downsample_mode ||
g_settings.gpu_downsample_scale != old_settings.gpu_downsample_scale ||
g_settings.gpu_wireframe_mode != old_settings.gpu_wireframe_mode ||
g_settings.display_crop_mode != old_settings.display_crop_mode ||
g_settings.display_aspect_ratio != old_settings.display_aspect_ratio ||

30
src/duckstation-qt/enhancementsettingswidget.cpp
View File

@ -20,6 +20,7 @@ EnhancementSettingsWidget::EnhancementSettingsWidget(SettingsDialog* dialog, QWi
SettingWidgetBinder::BindWidgetToEnumSetting(sif, m_ui.gpuDownsampleMode, "GPU", "DownsampleMode",
&Settings::ParseDownsampleModeName, &Settings::GetDownsampleModeName,
Settings::DEFAULT_GPU_DOWNSAMPLE_MODE);
SettingWidgetBinder::BindWidgetToIntSetting(sif, m_ui.gpuDownsampleScale, "GPU", "DownsampleScale", 1);
SettingWidgetBinder::BindWidgetToBoolSetting(sif, m_ui.trueColor, "GPU", "TrueColor", false);
SettingWidgetBinder::BindWidgetToBoolSetting(sif, m_ui.scaledDithering, "GPU", "ScaledDithering", false);
SettingWidgetBinder::BindWidgetToBoolSetting(sif, m_ui.disableInterlacing, "GPU", "DisableInterlacing", true);
@ -43,7 +44,10 @@ EnhancementSettingsWidget::EnhancementSettingsWidget(SettingsDialog* dialog, QWi
connect(m_ui.resolutionScale, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
&EnhancementSettingsWidget::updateScaledDitheringEnabled);
connect(m_ui.gpuDownsampleMode, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
&EnhancementSettingsWidget::updateDownsampleScaleVisible);
connect(m_ui.trueColor, &QCheckBox::stateChanged, this, &EnhancementSettingsWidget::updateScaledDitheringEnabled);
updateDownsampleScaleVisible();
updateScaledDitheringEnabled();
connect(m_ui.pgxpEnable, &QCheckBox::stateChanged, this, &EnhancementSettingsWidget::updatePGXPSettingsEnabled);
@ -55,6 +59,9 @@ EnhancementSettingsWidget::EnhancementSettingsWidget(SettingsDialog* dialog, QWi
m_ui.gpuDownsampleMode, tr("Downsampling"), tr("Disabled"),
tr("Downsamples the rendered image prior to displaying it. Can improve overall image quality in mixed 2D/3D games, "
"but should be disabled for pure 3D games. Only applies to the hardware renderers."));
dialog->registerWidgetHelp(m_ui.gpuDownsampleScale, tr("Downsampling Display Scale"), tr("1x"),
tr("Selects the resolution scale that will be applied to the final image. 1x will "
"downsample to the original console resolution."));
dialog->registerWidgetHelp(
m_ui.disableInterlacing, tr("Disable Interlacing (force progressive render/scan)"), tr("Unchecked"),
tr(
@ -141,6 +148,29 @@ void EnhancementSettingsWidget::updateScaledDitheringEnabled()
m_ui.scaledDithering->setEnabled(allow_scaled_dithering);
}
void EnhancementSettingsWidget::updateDownsampleScaleVisible()
{
const GPUDownsampleMode mode =
Settings::ParseDownsampleModeName(
m_dialog
->getEffectiveStringValue("GPU", "DownsampleMode",
Settings::GetDownsampleModeName(Settings::DEFAULT_GPU_DOWNSAMPLE_MODE))
.c_str())
.value_or(Settings::DEFAULT_GPU_DOWNSAMPLE_MODE);
const bool visible = (mode == GPUDownsampleMode::Box);
if (visible && m_ui.gpuDownsampleLayout->indexOf(m_ui.gpuDownsampleScale) < 0)
{
m_ui.gpuDownsampleScale->setVisible(true);
m_ui.gpuDownsampleLayout->addWidget(m_ui.gpuDownsampleScale, 0);
}
else if (!visible && m_ui.gpuDownsampleLayout->indexOf(m_ui.gpuDownsampleScale) >= 0)
{
m_ui.gpuDownsampleScale->setVisible(false);
m_ui.gpuDownsampleLayout->removeWidget(m_ui.gpuDownsampleScale);
}
}
void EnhancementSettingsWidget::setupAdditionalUi()
{
QtUtils::FillComboBoxWithResolutionScales(m_ui.resolutionScale);

1
src/duckstation-qt/enhancementsettingswidget.h
View File

@ -19,6 +19,7 @@ public:
private Q_SLOTS:
void updateScaledDitheringEnabled();
void updateDownsampleScaleVisible();
void updatePGXPSettingsEnabled();
private:

17
src/duckstation-qt/enhancementsettingswidget.ui
View File

@ -88,8 +88,25 @@
</widget>
</item>
<item row="3" column="1">
<layout class="QHBoxLayout" name="gpuDownsampleLayout" stretch="1,0">
<item>
<widget class="QComboBox" name="gpuDownsampleMode"/>
</item>
<item>
<widget class="QSpinBox" name="gpuDownsampleScale">
<property name="suffix">
<string>x</string>
</property>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>16</number>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</widget>
</item>