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gltf_baker now has adjustable resolution.

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This commit is contained in:
Philip Rideout
2019-05-22 11:01:47 -07:00
parent 2d2be0a214
commit 3b2d75e129
1 changed files with 18 additions and 6 deletions
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24
samples/gltf_baker.cpp
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@@ -94,6 +94,7 @@ struct App {
std::atomic<bool> requestStatePop;
gltfio::AssetPipeline* pipeline;
std::string messageBoxText;
uint32_t bakeResolution = 1024;
};
struct OverlayVertex {
@@ -426,10 +427,11 @@ static void bakeAsset(App& app) {
gltfio::AssetPipeline::AssetHandle asset = app.asset->getSourceAsset();
// Allocate the render target for the path tracer as well as a GPU texture to display it.
auto viewportSize = ImGui::GetIO().DisplaySize;
ImVec2 viewportSize = ImGui::GetIO().DisplaySize;
const uint32_t res = app.bakeResolution;
viewportSize.x -= app.viewer->getSidebarWidth();
app.showOverlay = true;
app.ambientOcclusion = image::LinearImage(1024, 1024, 1);
app.ambientOcclusion = image::LinearImage(res, res, 1);
createOverlayTexture(app);
app.pipeline = new gltfio::AssetPipeline();
@@ -443,9 +445,9 @@ static void bakeAsset(App& app) {
#if DEBUG_PATHTRACER
image::LinearImage outputs[] = {
app.ambientOcclusion,
app.bentNormals = image::LinearImage(1024, 1024, 3),
app.meshNormals = image::LinearImage(1024, 1024, 3),
app.meshPositions = image::LinearImage(1024, 1024, 3)
app.bentNormals = image::LinearImage(res, res, 3),
app.meshNormals = image::LinearImage(res, res, 3),
app.meshPositions = image::LinearImage(res, res, 3)
};
auto onRenderDone = [](void* userData) {
App* app = (App*) userData;
@@ -617,6 +619,15 @@ int main(int argc, char** argv) {
if (canPrep) {
ImGui::Checkbox("Auto-scale before parameterization", &app.enablePrepScale);
}
if (canBake) {
static const int kFirstOption = std::log2(512);
int bakeOption = std::log2(app.bakeResolution) - kFirstOption;
ImGui::Combo("Bake Resolution", &bakeOption,
"512 x 512\0"
"1024 x 1024\0"
"2048 x 2048\0");
app.bakeResolution = 1 << (bakeOption + kFirstOption);
}
if (!app.messageBoxText.empty()) {
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, {10, 10} );
@@ -650,8 +661,9 @@ int main(int argc, char** argv) {
};
auto animate = [&app](Engine* engine, View* view, double now) {
// The baker doesn't support animation, just use frame 0.
if (app.state != EMPTY) {
app.viewer->applyAnimation(now);
app.viewer->applyAnimation(0.0);
}
if (!app.overlayScene && app.showOverlay) {
app.overlayView = FilamentApp::get().getGuiView();