yggdrasil75/stupidsimcpp
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manual save works. but not while in the frame

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Yggdrasil75
2026-01-08 14:19:52 -05:00
parent 044c059c1d
commit cdd1ef5e8e
1 changed files with 33 additions and 6 deletions
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39
tests/g3test2.cpp
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@@ -56,7 +56,8 @@ void setup(defaults config, VoxelGrid& grid) {
void livePreview(VoxelGrid& grid, defaults config, Camera cam) {
updatePreview = true;
//std::lock_guard<std::mutex> lock(PreviewMutex);
frame currentPreviewFrame = grid.renderFrame(cam.posfor.origin, cam.posfor.direction, cam.up, cam.fov, config.outWidth, config.outHeight, frame::colormap::BGRA);
//frame currentPreviewFrame =
grid.renderFrame(cam.posfor.origin, cam.posfor.direction, cam.up, cam.fov, config.outWidth, config.outHeight, frame::colormap::BGRA);
// glGenTextures(1, &textu);
// glBindTexture(GL_TEXTURE_2D, textu);
@@ -69,11 +70,36 @@ void livePreview(VoxelGrid& grid, defaults config, Camera cam) {
// 0, GL_RGBA, GL_UNSIGNED_BYTE, currentPreviewFrame.getData().data());
std::cout << "freeing previous frame" << std::endl;
currentPreviewFrame.free();
//currentPreviewFrame.free();
updatePreview = false;
textureInitialized = true;
}
bool savePreview(VoxelGrid& grid, defaults config, Camera cam) {
TIME_FUNCTION;
std::vector<uint8_t> renderBuffer;
size_t width = config.outWidth;
size_t height = config.outHeight;
// Render the view
frame output = grid.renderFrame(cam.posfor.origin, cam.posfor.direction, cam.up, cam.fov, config.outWidth, config.outHeight, frame::colormap::RGB);
//grid.renderOut(renderBuffer, width, height, cam);
// Save to BMP
bool success = BMPWriter::saveBMP("output/save.bmp", output);
//bool success = BMPWriter::saveBMP(filename, renderBuffer, width, height);
// if (success) {
// std::cout << "Saved: " << filename << std::endl;
// } else {
// std::cout << "Failed to save: " << filename << std::endl;
// }
return success;
}
static void glfw_error_callback(int error, const char* description)
{
fprintf(stderr, "GLFW Error %d: %s\n", error, description);
@@ -173,7 +199,7 @@ int main() {
if (ImGui::Button("Generate Grid")) {
setup(config, grid);
gridInitialized = true;
//livePreview(grid,config,cam);
}
ImGui::End();
@@ -193,9 +219,9 @@ int main() {
// ImGui::End();
// }
if (gridInitialized && updatePreview == false) {
livePreview(grid, config, cam);
}
// if (gridInitialized && updatePreview == false) {
// livePreview(grid, config, cam);
// }
// std::cout << "ending frame" << std::endl;
ImGui::Render();
@@ -219,6 +245,7 @@ int main() {
ImGui_ImplOpenGL3_Shutdown();
ImGui_ImplGlfw_Shutdown();
ImGui::DestroyContext();
savePreview(grid, config, cam);
// std::cout << "destroying" << std::endl;
glfwDestroyWindow(window);