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Cocoa: Also print total VRAM and HW acceleration status, when available

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UnknownShadow200 2022-10-10 23:14:56 +11:00
parent 4578eb213c
commit 37b6ee4c4b
1 changed files with 50 additions and 1 deletions
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51
src/interop_cocoa.m
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@ -681,7 +681,56 @@ void GLContext_SetFpsLimit(cc_bool vsync, float minFrameMs) {
[ctxHandle setValues:&value forParameter: NSOpenGLCPSwapInterval];
}
void GLContext_GetApiInfo(cc_string* info) { }
static const char* GetAccelerationMode(CGLContextObj ctx) {
GLint fGPU, vGPU;
// NOTE: only macOS 10.4 or later
if (CGLGetParameter(ctx, kCGLCPGPUFragmentProcessing, &fGPU)) return NULL;
if (CGLGetParameter(ctx, kCGLCPGPUVertexProcessing, &vGPU)) return NULL;
if (fGPU && vGPU) return "Fully";
if (fGPU || vGPU) return "Partially";
return "Not";
}
void GLContext_GetApiInfo(cc_string* info) {
CGLContextObj ctx = [ctxHandle CGLContextObj];
GLint rendererID;
CGLGetParameter(ctx, kCGLCPCurrentRendererID, &rendererID);
GLint nRenders = 0;
CGLRendererInfoObj rend;
CGLQueryRendererInfo(-1, &rend, &nRenders);
for (int i = 0; i < nRenders; i++)
{
GLint curID = -1;
CGLDescribeRenderer(rend, i, kCGLRPRendererID, &curID);
if (curID != rendererID) continue;
GLint acc = 0;
CGLDescribeRenderer(rend, i, kCGLRPAcceleratedCompute, &acc);
const char* mode = GetAccelerationMode(ctx);
GLint vram = 0;
if (!CGLDescribeRenderer(rend, i, kCGLRPVideoMemoryMegabytes, &vram)) {
// preferred path (macOS 10.7 or later)
} else if (!CGLDescribeRenderer(rend, i, kCGLRPVideoMemory, &vram)) {
vram /= (1024 * 1024); // TODO: use float instead?
} else {
vram = -1; // TODO show a better error?
}
if (mode && acc) {
String_Format2(info, "VRAM: %i MB, %c HW accelerated\n", &vram, mode);
} else {
String_Format2(info, "VRAM: %i MB, %c\n",
&vram, acc ? "HW accelerated" : "no HW acceleration");
}
break;
}
CGLDestroyRendererInfo(rend);
}
cc_result Window_EnterFullscreen(void) {
if (SupportsModernFullscreen()) {