Add detection of mip support

src/gpu/GrDrawTarget.cpp

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 944 matching lines @@
     // Make the dst of the copy be a render target because the default copySurface draws to the dst.
     desc->fOrigin = kDefault_GrSurfaceOrigin;
     desc->fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
     desc->fConfig = src->config();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrDrawTargetCaps::reset() {
     f8BitPaletteSupport = false;
+    fMipMapSupport = false;
     fNPOTTextureTileSupport = false;
     fTwoSidedStencilSupport = false;
     fStencilWrapOpsSupport = false;
     fHWAALineSupport = false;
     fShaderDerivativeSupport = false;
     fGeometryShaderSupport = false;
     fDualSourceBlendingSupport = false;
     fBufferLockSupport = false;
     fPathRenderingSupport = false;
     fDstReadInShaderSupport = false;
     fReuseScratchTextures = true;
 
     fMaxRenderTargetSize = 0;
     fMaxTextureSize = 0;
     fMaxSampleCount = 0;
 
     memset(fConfigRenderSupport, 0, sizeof(fConfigRenderSupport));
 }
 
 GrDrawTargetCaps& GrDrawTargetCaps::operator=(const GrDrawTargetCaps& other) {
     f8BitPaletteSupport = other.f8BitPaletteSupport;
+    fMipMapSupport = other.fMipMapSupport;
     fNPOTTextureTileSupport = other.fNPOTTextureTileSupport;
     fTwoSidedStencilSupport = other.fTwoSidedStencilSupport;
     fStencilWrapOpsSupport = other.fStencilWrapOpsSupport;
     fHWAALineSupport = other.fHWAALineSupport;
     fShaderDerivativeSupport = other.fShaderDerivativeSupport;
     fGeometryShaderSupport = other.fGeometryShaderSupport;
     fDualSourceBlendingSupport = other.fDualSourceBlendingSupport;
     fBufferLockSupport = other.fBufferLockSupport;
     fPathRenderingSupport = other.fPathRenderingSupport;
     fDstReadInShaderSupport = other.fDstReadInShaderSupport;
     fReuseScratchTextures = other.fReuseScratchTextures;
 
     fMaxRenderTargetSize = other.fMaxRenderTargetSize;
     fMaxTextureSize = other.fMaxTextureSize;
     fMaxSampleCount = other.fMaxSampleCount;
 
     memcpy(fConfigRenderSupport, other.fConfigRenderSupport, sizeof(fConfigRenderSupport));
 
     return *this;
 }
 
 SkString GrDrawTargetCaps::dump() const {
     SkString r;
     static const char* gNY[] = {"NO", "YES"};
     r.appendf("8 Bit Palette Support       : %s\n", gNY[f8BitPaletteSupport]);
+    r.appendf("MIP Map Support             : %s\n", gNY[fMipMapSupport]);
     r.appendf("NPOT Texture Tile Support   : %s\n", gNY[fNPOTTextureTileSupport]);
     r.appendf("Two Sided Stencil Support   : %s\n", gNY[fTwoSidedStencilSupport]);
     r.appendf("Stencil Wrap Ops  Support   : %s\n", gNY[fStencilWrapOpsSupport]);
     r.appendf("HW AA Lines Support         : %s\n", gNY[fHWAALineSupport]);
     r.appendf("Shader Derivative Support   : %s\n", gNY[fShaderDerivativeSupport]);
     r.appendf("Geometry Shader Support     : %s\n", gNY[fGeometryShaderSupport]);
     r.appendf("Dual Source Blending Support: %s\n", gNY[fDualSourceBlendingSupport]);
     r.appendf("Buffer Lock Support         : %s\n", gNY[fBufferLockSupport]);
     r.appendf("Path Rendering Support      : %s\n", gNY[fPathRenderingSupport]);
     r.appendf("Dst Read In Shader Support  : %s\n", gNY[fDstReadInShaderSupport]);
@@ skipping 25 matching lines @@
     for (size_t i = 0; i < SK_ARRAY_COUNT(kConfigNames); ++i)  {
         if (i != kUnknown_GrPixelConfig) {
             r.appendf("%s is renderable: %s, with MSAA: %s\n",
                      kConfigNames[i],
                      gNY[fConfigRenderSupport[i][0]],
                      gNY[fConfigRenderSupport[i][1]]);
         }
     }
     return r;
 }