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Add common CLI Args parser for the samples (#8819)

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This commit is contained in:
Juan Caldas
2025-06-05 18:18:41 +00:00
committed by GitHub
parent 7dc0f2cc86
commit ad8c9ce4e0
33 changed files with 342 additions and 274 deletions
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samples/hellotriangle.cpp
+8 -15
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@@ -14,6 +14,8 @@
* limitations under the License.
*/
#include "common/arguments.h"
#include <filament/Camera.h>
#include <filament/Engine.h>
#include <filament/IndexBuffer.h>
@@ -77,13 +79,16 @@ static void printUsage(char* name) {
"Options:\n"
" --help, -h\n"
" Prints this message\n\n"
" --api, -a\n"
" Specify the backend API: opengl, vulkan, metal, or webgpu\n"
"API_USAGE"
);
const std::string from("HELLOTRIANGLE");
for (size_t pos = usage.find(from); pos != std::string::npos; pos = usage.find(from, pos)) {
usage.replace(pos, from.length(), exec_name);
}
const std::string apiUsage("API_USAGE");
for (size_t pos = usage.find(apiUsage); pos != std::string::npos; pos = usage.find(apiUsage, pos)) {
usage.replace(pos, apiUsage.length(), samples::getBackendAPIArgumentsUsage());
}
std::cout << usage;
}
@@ -104,19 +109,7 @@ static int handleCommandLineArguments(int argc, char* argv[], App* app) {
printUsage(argv[0]);
exit(0);
case 'a':
if (arg == "opengl") {
app->config.backend = Engine::Backend::OPENGL;
} else if (arg == "vulkan") {
app->config.backend = Engine::Backend::VULKAN;
} else if (arg == "metal") {
app->config.backend = Engine::Backend::METAL;
} else if (arg == "webgpu") {
app->config.backend = Engine::Backend::WEBGPU;
} else {
std::cerr << "Unrecognized backend. Must be "
"'opengl'|'vulkan'|'metal'|'webgpu'.\n";
exit(1);
}
app->config.backend = samples::parseArgumentsForBackend(arg);
break;
}
}