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Support for high precision framebuffers and dither noise (RT64) (#252)

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* 64 bit framebuffer for rt64

* Remove mention of motion blur cap from readme

* Add graphics.json option to control high precision framebuffers, disable clamping alpha for accumulation blur when using high precision FBs

* Increase dither noise strength at higher resolutions to make it more noticeable

---------

Co-authored-by: Mr-Wiseguy <mrwiseguyromhacking@gmail.com>
This commit is contained in:
Reonu
2024-05-26 06:24:46 +01:00
committed by GitHub
parent 169155953e
commit 23eb6b7eea
12 changed files with 91 additions and 6 deletions
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ultramodern/rt64_layer.cpp
+39
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@@ -11,6 +11,7 @@ ultramodern::RT64Context::~RT64Context() = default;
static RT64::UserConfiguration::Antialiasing device_max_msaa = RT64::UserConfiguration::Antialiasing::None;
static bool sample_positions_supported = false;
static bool high_precision_fb_enabled = false;
static uint8_t DMEM[0x1000];
static uint8_t IMEM[0x1000];
@@ -58,6 +59,19 @@ RT64::UserConfiguration::Antialiasing compute_max_supported_aa(RT64::RenderSampl
return RT64::UserConfiguration::Antialiasing::None;
}
RT64::UserConfiguration::InternalColorFormat to_rt64(ultramodern::HighPrecisionFramebuffer option) {
switch (option) {
case ultramodern::HighPrecisionFramebuffer::Off:
return RT64::UserConfiguration::InternalColorFormat::Standard;
case ultramodern::HighPrecisionFramebuffer::On:
return RT64::UserConfiguration::InternalColorFormat::High;
case ultramodern::HighPrecisionFramebuffer::Auto:
return RT64::UserConfiguration::InternalColorFormat::Automatic;
default:
return RT64::UserConfiguration::InternalColorFormat::OptionCount;
}
}
void set_application_user_config(RT64::Application* application, const ultramodern::GraphicsConfig& config) {
switch (config.res_option) {
default:
@@ -95,6 +109,7 @@ void set_application_user_config(RT64::Application* application, const ultramode
application->userConfig.antialiasing = config.msaa_option;
application->userConfig.refreshRate = config.rr_option;
application->userConfig.refreshRateTarget = config.rr_manual_value;
application->userConfig.internalColorFormat = to_rt64(config.hpfb_option);
}
ultramodern::RT64SetupResult map_setup_result(RT64::Application::SetupResult rt64_result) {
@@ -216,6 +231,8 @@ ultramodern::RT64Context::RT64Context(uint8_t* rdram, ultramodern::WindowHandle
device_max_msaa = RT64::UserConfiguration::Antialiasing::None;
sample_positions_supported = false;
}
high_precision_fb_enabled = app->shaderLibrary->usesHDR;
}
void ultramodern::RT64Context::send_dl(const OSTask* task) {
@@ -261,6 +278,24 @@ uint32_t ultramodern::RT64Context::get_display_framerate() {
return app->presentQueue->ext.sharedResources->swapChainRate;
}
float ultramodern::RT64Context::get_resolution_scale() {
constexpr int ReferenceHeight = 240;
switch (app->userConfig.resolution) {
case RT64::UserConfiguration::Resolution::WindowIntegerScale:
if (app->sharedQueueResources->swapChainHeight > 0) {
return std::max(float((app->sharedQueueResources->swapChainHeight + ReferenceHeight - 1) / ReferenceHeight), 1.0f);
}
else {
return 1.0f;
}
case RT64::UserConfiguration::Resolution::Manual:
return float(app->userConfig.resolutionMultiplier);
case RT64::UserConfiguration::Resolution::Original:
default:
return 1.0f;
}
}
void ultramodern::RT64Context::load_shader_cache(std::span<const char> cache_binary) {
// TODO figure out how to avoid a copy here.
std::istringstream cache_stream{std::string{cache_binary.data(), cache_binary.size()}};
@@ -278,3 +313,7 @@ RT64::UserConfiguration::Antialiasing ultramodern::RT64MaxMSAA() {
bool ultramodern::RT64SamplePositionsSupported() {
return sample_positions_supported;
}
bool ultramodern::RT64HighPrecisionFBEnabled() {
return high_precision_fb_enabled;
}