From e30739a1e1d90183bc6bf7414e409e89016881f5 Mon Sep 17 00:00:00 2001
From: Timothy Liang <timliang@google.com>
Date: Tue, 31 Jul 2018 10:51:17 -0400
Subject: implemented copy surface as draw for metal gpu backend

Bug: skia:
Change-Id: Ie61bd6ad9f288b8a025d44f887a0954101a7d710
Reviewed-on: https://skia-review.googlesource.com/142687
Commit-Queue: Timothy Liang <timliang@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
---
 src/gpu/mtl/GrMtlUtil.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/gpu/mtl/GrMtlUtil.h')

diff --git a/src/gpu/mtl/GrMtlUtil.h b/src/gpu/mtl/GrMtlUtil.h
index b3a7829531..fa43295ba1 100644
--- a/src/gpu/mtl/GrMtlUtil.h
+++ b/src/gpu/mtl/GrMtlUtil.h
@@ -11,7 +11,10 @@
 #import <Metal/Metal.h>
 
 #include "GrTypesPriv.h"
+#include "ir/SkSLProgram.h"
 
+class GrMtlGpu;
+class GrSurface;
 
 /**
  * Returns the Metal texture format for the given GrPixelConfig
@@ -45,4 +48,18 @@ const void* GrReleaseId(id idObject);
  */
 MTLTextureDescriptor* GrGetMTLTextureDescriptor(id<MTLTexture> mtlTexture);
 
+/**
+ * Returns a compiled MTLLibrary created from MSL code generated by SkSLC
+ */
+id<MTLLibrary> GrCompileMtlShaderLibrary(const GrMtlGpu* gpu,
+                                         const char* shaderString,
+                                         SkSL::Program::Kind kind,
+                                         const SkSL::Program::Settings& settings,
+                                         SkSL::Program::Inputs* outInputs);
+
+/**
+ * Returns a MTLTexture corresponding to the GrSurface. Optionally can do a resolve.
+ */
+id<MTLTexture> GrGetMTLTextureFromSurface(GrSurface* surface, bool doResolve);
+
 #endif
-- 
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