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Add channel mixer and docs to ColorGrading (#2618)

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This commit is contained in:
Romain Guy
2020-06-01 09:07:34 -07:00
committed by GitHub
parent 50adc1f661
commit c49ffcc354
7 changed files with 257 additions and 95 deletions
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samples/material_sandbox.cpp
+5 -1
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@@ -578,6 +578,9 @@ static void gui(filament::Engine* engine, filament::View*) {
"Linear\0ACES\0Filmic\0Reinhard\0Display Range\0\0");
ImGui::SliderInt("Temperature", &params.colorGradingOptions.temperature, -100, 100);
ImGui::SliderInt("Tint", &params.colorGradingOptions.tint, -100, 100);
ImGui::SliderFloat3("Out Red", &params.colorGradingOptions.outRed.x, -2.0f, 2.0f);
ImGui::SliderFloat3("Out Green", &params.colorGradingOptions.outGreen.x, -2.0f, 2.0f);
ImGui::SliderFloat3("Out Blue", &params.colorGradingOptions.outBlue.x, -2.0f, 2.0f);
}
if (ImGui::CollapsingHeader("Debug")) {
@@ -694,8 +697,9 @@ static void preRender(filament::Engine* engine, filament::View* view, filament::
if (memcmp(&g_params.colorGradingOptions, &g_lastColorGradingOptions, sizeof(ColorGradingOptions))) {
ColorGradingOptions& options = g_params.colorGradingOptions;
ColorGrading* colorGrading = ColorGrading::Builder()
.toneMapping(options.toneMapping)
.whiteBalance(options.temperature / 100.0f, options.tint / 100.0f)
.channelMixer(options.outRed, options.outGreen, options.outBlue)
.toneMapping(options.toneMapping)
.build(*engine);
view->setColorGrading(colorGrading);