From 411dad0630913fc07f2412b4be17acfbfd914fbc Mon Sep 17 00:00:00 2001
From: "bsalomon@google.com"
 <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Date: Tue, 5 Jun 2012 20:24:20 +0000
Subject: Move stencil param adjustment to GrClipMaskManager, attempt to make
 GrGpuGL::flushStencil readable

Review URL: http://codereview.appspot.com/6295046/



git-svn-id: http://skia.googlecode.com/svn/trunk@4173 2bbb7eff-a529-9590-31e7-b0007b416f81
---
 src/gpu/GrGpu.cpp | 81 -------------------------------------------------------
 1 file changed, 81 deletions(-)

(limited to 'src/gpu/GrGpu.cpp')

diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index 4839e4f045..a873fe7ef5 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -357,87 +357,6 @@ const GrStencilSettings* GrGpu::GetClipStencilSettings(void) {
     return GR_CONST_STENCIL_SETTINGS_PTR_FROM_STRUCT_PTR(&sClipStencilSettings);
 }
 
-// mapping of clip-respecting stencil funcs to normal stencil funcs
-// mapping depends on whether stencil-clipping is in effect.
-static const GrStencilFunc gGrClipToNormalStencilFunc[2][kClipStencilFuncCount] = {
-    {// Stencil-Clipping is DISABLED, effectively always inside the clip
-        // In the Clip Funcs
-        kAlways_StencilFunc,          // kAlwaysIfInClip_StencilFunc
-        kEqual_StencilFunc,           // kEqualIfInClip_StencilFunc
-        kLess_StencilFunc,            // kLessIfInClip_StencilFunc
-        kLEqual_StencilFunc,          // kLEqualIfInClip_StencilFunc
-        // Special in the clip func that forces user's ref to be 0.
-        kNotEqual_StencilFunc,        // kNonZeroIfInClip_StencilFunc
-                                      // make ref 0 and do normal nequal.
-    },
-    {// Stencil-Clipping is ENABLED
-        // In the Clip Funcs
-        kEqual_StencilFunc,           // kAlwaysIfInClip_StencilFunc
-                                      // eq stencil clip bit, mask
-                                      // out user bits.
-
-        kEqual_StencilFunc,           // kEqualIfInClip_StencilFunc
-                                      // add stencil bit to mask and ref
-
-        kLess_StencilFunc,            // kLessIfInClip_StencilFunc
-        kLEqual_StencilFunc,          // kLEqualIfInClip_StencilFunc
-                                      // for both of these we can add
-                                      // the clip bit to the mask and
-                                      // ref and compare as normal
-        // Special in the clip func that forces user's ref to be 0.
-        kLess_StencilFunc,            // kNonZeroIfInClip_StencilFunc
-                                      // make ref have only the clip bit set
-                                      // and make comparison be less
-                                      // 10..0 < 1..user_bits..
-    }
-};
-
-GrStencilFunc GrGpu::ConvertStencilFunc(bool stencilInClip, GrStencilFunc func) {
-    GrAssert(func >= 0);
-    if (func >= kBasicStencilFuncCount) {
-        GrAssert(func < kStencilFuncCount);
-        func = gGrClipToNormalStencilFunc[stencilInClip ? 1 : 0][func - kBasicStencilFuncCount];
-        GrAssert(func >= 0 && func < kBasicStencilFuncCount);
-    }
-    return func;
-}
-
-void GrGpu::ConvertStencilFuncAndMask(GrStencilFunc func,
-                                      bool clipInStencil,
-                                      unsigned int clipBit,
-                                      unsigned int userBits,
-                                      unsigned int* ref,
-                                      unsigned int* mask) {
-    if (func < kBasicStencilFuncCount) {
-        *mask &= userBits;
-        *ref &= userBits;
-    } else {
-        if (clipInStencil) {
-            switch (func) {
-                case kAlwaysIfInClip_StencilFunc:
-                    *mask = clipBit;
-                    *ref = clipBit;
-                    break;
-                case kEqualIfInClip_StencilFunc:
-                case kLessIfInClip_StencilFunc:
-                case kLEqualIfInClip_StencilFunc:
-                    *mask = (*mask & userBits) | clipBit;
-                    *ref = (*ref & userBits) | clipBit;
-                    break;
-                case kNonZeroIfInClip_StencilFunc:
-                    *mask = (*mask & userBits) | clipBit;
-                    *ref = clipBit;
-                    break;
-                default:
-                    GrCrash("Unknown stencil func");
-            }
-        } else {
-            *mask &= userBits;
-            *ref &= userBits;
-        }
-    }
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 
 bool GrGpu::setupClipAndFlushState(GrPrimitiveType type) {
-- 
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