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get supported depthStencil pixel format (#19774)

This commit is contained in:
coulsonwang 2019-05-29 10:46:55 +08:00 committed by minggo
parent 9b0d36c6a9
commit 8faf4a758f
1 changed files with 15 additions and 9 deletions
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24
cocos/renderer/backend/metal/Utils.mm
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@ -1,14 +1,9 @@
#include "Utils.h" #include "Utils.h"
#include "DeviceMTL.h" #include "DeviceMTL.h"
#include "base/CCConfiguration.h"
#define COLOR_ATTAHCMENT_PIXEL_FORMAT MTLPixelFormatBGRA8Unorm #define COLOR_ATTAHCMENT_PIXEL_FORMAT MTLPixelFormatBGRA8Unorm
#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
#define DEPTH_STENCIL_ATTACHMENT_PIXEL_FORMAT MTLPixelFormatDepth32Float_Stencil8
#else
#define DEPTH_STENCIL_ATTACHMENT_PIXEL_FORMAT MTLPixelFormatDepth24Unorm_Stencil8
#endif
CC_BACKEND_BEGIN CC_BACKEND_BEGIN
id<MTLTexture> Utils::_defaultColorAttachmentTexture = nil; id<MTLTexture> Utils::_defaultColorAttachmentTexture = nil;
@ -47,11 +42,22 @@ namespace {
} }
return 0; return 0;
} }
MTLPixelFormat getSupportedDepthStencilFormat()
{
MTLPixelFormat pixelFormat = MTLPixelFormatDepth32Float_Stencil8;
#if (CC_TARGET_PLATFORM == CC_PLATFORM_MAC)
bool isDepth24Stencil8PixelFormatSupported = Configuration::getInstance()->supportsOESPackedDepthStencil();
if(isDepth24Stencil8PixelFormatSupported)
pixelFormat = MTLPixelFormatDepth24Unorm_Stencil8;
#endif
return pixelFormat;
}
} }
MTLPixelFormat Utils::getDefaultDepthStencilAttachmentPixelFormat() MTLPixelFormat Utils::getDefaultDepthStencilAttachmentPixelFormat()
{ {
return DEPTH_STENCIL_ATTACHMENT_PIXEL_FORMAT; return getSupportedDepthStencilFormat();
} }
MTLPixelFormat Utils::getDefaultColorAttachmentPixelFormat() MTLPixelFormat Utils::getDefaultColorAttachmentPixelFormat()
@ -104,7 +110,7 @@ MTLPixelFormat Utils::toMTLPixelFormat(TextureFormat textureFormat)
//on mac, D24S8 means MTLPixelFormatDepth24Unorm_Stencil8, while on ios it means MTLPixelFormatDepth32Float_Stencil8 //on mac, D24S8 means MTLPixelFormatDepth24Unorm_Stencil8, while on ios it means MTLPixelFormatDepth32Float_Stencil8
case TextureFormat::D24S8: case TextureFormat::D24S8:
return DEPTH_STENCIL_ATTACHMENT_PIXEL_FORMAT; return getSupportedDepthStencilFormat();
case TextureFormat::SYSTEM_DEFAULT: case TextureFormat::SYSTEM_DEFAULT:
return COLOR_ATTAHCMENT_PIXEL_FORMAT; return COLOR_ATTAHCMENT_PIXEL_FORMAT;
case TextureFormat::NONE: case TextureFormat::NONE:
@ -119,7 +125,7 @@ id<MTLTexture> Utils::createDepthStencilAttachmentTexture()
MTLTextureDescriptor* textureDescriptor = [[MTLTextureDescriptor alloc] init]; MTLTextureDescriptor* textureDescriptor = [[MTLTextureDescriptor alloc] init];
textureDescriptor.width = CAMetalLayer.drawableSize.width; textureDescriptor.width = CAMetalLayer.drawableSize.width;
textureDescriptor.height = CAMetalLayer.drawableSize.height; textureDescriptor.height = CAMetalLayer.drawableSize.height;
textureDescriptor.pixelFormat = DEPTH_STENCIL_ATTACHMENT_PIXEL_FORMAT; textureDescriptor.pixelFormat = getSupportedDepthStencilFormat();
textureDescriptor.resourceOptions = MTLResourceStorageModePrivate; textureDescriptor.resourceOptions = MTLResourceStorageModePrivate;
textureDescriptor.usage = MTLTextureUsageRenderTarget; textureDescriptor.usage = MTLTextureUsageRenderTarget;
auto ret = [CAMetalLayer.device newTextureWithDescriptor:textureDescriptor]; auto ret = [CAMetalLayer.device newTextureWithDescriptor:textureDescriptor];