GrDrawState.h revision cf6285b89b8820641ffb6871d4b3275bfe783f51
19381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com/* 29381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * Copyright 2011 Google Inc. 39381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * 49381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * Use of this source code is governed by a BSD-style license that can be 59381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * found in the LICENSE file. 69381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com */ 79381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 89381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#ifndef GrDrawState_DEFINED 99381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#define GrDrawState_DEFINED 109381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 119381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#include "GrColor.h" 129381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#include "GrMatrix.h" 138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com#include "GrNoncopyable.h" 142e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com#include "GrRefCnt.h" 159381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#include "GrSamplerState.h" 169381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#include "GrStencil.h" 179381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 189381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#include "SkXfermode.h" 199381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 20c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.comclass GrRenderTarget; 21c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.comclass GrTexture; 229381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 232e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.comclass GrDrawState : public GrRefCnt { 249381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 252e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.compublic: 269381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com /** 279381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * Number of texture stages. Each stage takes as input a color and 289381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * 2D texture coordinates. The color input to the first enabled stage is the 299381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * per-vertex color or the constant color (setColor/setAlpha) if there are 309381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * no per-vertex colors. For subsequent stages the input color is the output 319381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * color from the previous enabled stage. The output color of each stage is 329381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * the input color modulated with the result of a texture lookup. Texture 339381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * lookups are specified by a texture a sampler (setSamplerState). Texture 349381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * coordinates for each stage come from the vertices based on a 359381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * GrVertexLayout bitfield. The output fragment color is the output color of 369381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * the last enabled stage. The presence or absence of texture coordinates 379381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * for each stage in the vertex layout indicates whether a stage is enabled 389381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * or not. 39bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * 40bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * Stages 0 through GrPaint::kTotalStages-1 are reserved for setting up 41bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * the draw (i.e., textures and filter masks). Stages GrPaint::kTotalStages 42bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * through kNumStages-1 are earmarked for use by GrTextContext and 43bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * GrPathRenderer-derived classes. 449381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com */ 459381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com enum { 46ec05eaaeacacdb68e593a8d327bd14997a5c60ffrobertphillips@google.com kNumStages = 4, 479381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com kMaxTexCoords = kNumStages 489381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 499381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 5039ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com /** 5139ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com * Bitfield used to indicate a set of stages. 5239ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com */ 5339ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com typedef uint32_t StageMask; 5439ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com GR_STATIC_ASSERT(sizeof(StageMask)*8 >= GrDrawState::kNumStages); 5539ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com 56c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrDrawState() { 5752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com this->reset(); 5852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com } 5946f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com 60c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrDrawState(const GrDrawState& state) { 6146f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com *this = state; 6246f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com } 6346f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com 6452a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com /** 6552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com * Resets to the default state. Sampler states will not be modified. 6652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com */ 6752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com void reset() { 688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // make sure any pad is zero for memcmp 6952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // all GrDrawState members should default to something valid by the 7052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // the memset except those initialized individually below. There should 7152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // be no padding between the individually initialized members. 722e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com memset(this->podStart(), 0, this->memsetSize()); 732e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com 748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // pedantic assertion that our ptrs will 758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // be NULL (0 ptr is mem addr 0) 768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((intptr_t)(void*)NULL == 0LL); 7752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GR_STATIC_ASSERT(0 == kBoth_DrawFace); 788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert(fStencilSettings.isDisabled()); 7952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 8052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // memset exceptions 8152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fColor = 0xffffffff; 822401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com fCoverage = 0xffffffff; 838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFirstCoverageStage = kNumStages; 8452a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fColorFilterMode = SkXfermode::kDst_Mode; 8552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fSrcBlend = kOne_BlendCoeff; 8652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fDstBlend = kZero_BlendCoeff; 8752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fViewMatrix.reset(); 88c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fBehaviorBits = 0; 8952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 9052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // ensure values that will be memcmp'ed in == but not memset in reset() 9152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // are tightly packed 922e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrAssert(this->memsetSize() + sizeof(fColor) + sizeof(fCoverage) + 932401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com sizeof(fFirstCoverageStage) + sizeof(fColorFilterMode) + 94c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com sizeof(fSrcBlend) + sizeof(fDstBlend) == 95c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com this->podSize()); 968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Color 1008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 1018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets color for next draw to a premultiplied-alpha color. 1048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param color the color to set. 1068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setColor(GrColor color) { fColor = color; } 1088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrColor getColor() const { return fColor; } 1108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the color to be used for the next draw to be 1138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * (r,g,b,a) = (alpha, alpha, alpha, alpha). 1148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param alpha The alpha value to set as the color. 1168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setAlpha(uint8_t a) { 1188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->setColor((a << 24) | (a << 16) | (a << 8) | a); 1198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Add a color filter that can be represented by a color and a mode. Applied 1238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * after color-computing texture stages. 1248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setColorFilter(GrColor c, SkXfermode::Mode mode) { 1268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fColorFilterColor = c; 1278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fColorFilterMode = mode; 1288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrColor getColorFilterColor() const { return fColorFilterColor; } 1318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com SkXfermode::Mode getColorFilterMode() const { return fColorFilterMode; } 1328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 1348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 1362401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /// @name Coverage 1372401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com //// 1382401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1392401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /** 1402401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * Sets a constant fractional coverage to be applied to the draw. The 1412401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * initial value (after construction or reset()) is 0xff. The constant 1422401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * coverage is ignored when per-vertex coverage is provided. 1432401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com */ 1442401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com void setCoverage(uint8_t coverage) { 1452401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com fCoverage = GrColorPackRGBA(coverage, coverage, coverage, coverage); 1462401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com } 1472401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1482401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /** 1492401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * Version of above that specifies 4 channel per-vertex color. The value 1502401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * should be premultiplied. 1512401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com */ 1522401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com void setCoverage4(GrColor coverage) { 1532401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com fCoverage = coverage; 1542401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com } 1552401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1562401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com GrColor getCoverage() const { 1572401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com return fCoverage; 1582401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com } 1592401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1602401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /// @} 1612401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1622401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 1638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Textures 1648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 1658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the texture used at the next drawing call 1688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param stage The texture stage for which the texture will be set 1708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param texture The texture to set. Can be NULL though there is no 1728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * advantage to settings a NULL texture if doing non-textured drawing 1738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setTexture(int stage, GrTexture* texture) { 1758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 1761942c05e9c51b462355626155c1bdc3fc43161cfrobertphillips@google.com 177c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com if (isBehaviorEnabled(kTexturesNeedRef_BehaviorBit)) { 178c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // If we don't clear out the current texture before unreffing 179c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // it we can get into an infinite loop as the GrGLTexture's 180c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // onRelease method recursively calls setTexture 181c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrTexture* temp = fTextures[stage]; 182c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fTextures[stage] = NULL; 1831942c05e9c51b462355626155c1bdc3fc43161cfrobertphillips@google.com 184c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com SkSafeRef(texture); 185c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com SkSafeUnref(temp); 186c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 1871942c05e9c51b462355626155c1bdc3fc43161cfrobertphillips@google.com 1888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fTextures[stage] = texture; 1898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the currently set texture. 1938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return The currently set texture. The return value will be NULL if no 1958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * texture has been set, NULL was most recently passed to 1968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * setTexture, or the last setTexture was destroyed. 1978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrTexture* getTexture(int stage) const { 1998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fTextures[stage]; 2018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrTexture* getTexture(int stage) { 2038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fTextures[stage]; 2058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 2088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 2108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Samplers 2118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 2128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Returns the current sampler for a stage. 2158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrSamplerState& getSampler(int stage) const { 2178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fSamplerStates[stage]; 2198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Writable pointer to a stage's sampler. 2238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrSamplerState* sampler(int stage) { 2258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fSamplerStates + stage; 2278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Preconcats the matrix of all samplers in the mask with the same matrix. 2318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void preConcatSamplerMatrices(StageMask stageMask, const GrMatrix& matrix) { 2338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert(!(stageMask & kIllegalStageMaskBits)); 2348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com for (int i = 0; i < kNumStages; ++i) { 2358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if ((1 << i) & stageMask) { 2368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSamplerStates[i].preConcatMatrix(matrix); 2378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 2428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 2448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Coverage / Color Stages 2458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 2468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * A common pattern is to compute a color with the initial stages and then 2498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * modulate that color by a coverage value in later stage(s) (AA, mask- 2508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * filters, glyph mask, etc). Color-filters, xfermodes, etc should be 2518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * computed based on the pre-coverage-modulated color. The division of 2528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * stages between color-computing and coverage-computing is specified by 2538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * this method. Initially this is kNumStages (all stages 2548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * are color-computing). 2558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setFirstCoverageStage(int firstCoverageStage) { 2578f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)firstCoverageStage <= kNumStages); 2588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFirstCoverageStage = firstCoverageStage; 2598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Gets the index of the first coverage-computing stage. 2638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com int getFirstCoverageStage() const { 2658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fFirstCoverageStage; 2668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ///@} 2698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 2718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Blending 2728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 2738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the blending function coeffecients. 2768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 2778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * The blend function will be: 2788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * D' = sat(S*srcCoef + D*dstCoef) 2798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 2808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * where D is the existing destination color, S is the incoming source 2818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * color, and D' is the new destination color that will be written. sat() 2828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * is the saturation function. 2838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 2848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param srcCoef coeffecient applied to the src color. 2858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param dstCoef coeffecient applied to the dst color. 2868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setBlendFunc(GrBlendCoeff srcCoeff, GrBlendCoeff dstCoeff) { 2888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSrcBlend = srcCoeff; 2898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDstBlend = dstCoeff; 2908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com #if GR_DEBUG 2918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com switch (dstCoeff) { 2928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kDC_BlendCoeff: 2938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kIDC_BlendCoeff: 2948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kDA_BlendCoeff: 2958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kIDA_BlendCoeff: 2968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrPrintf("Unexpected dst blend coeff. Won't work correctly with" 2978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com "coverage stages.\n"); 2988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 2998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com default: 3008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 3018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com switch (srcCoeff) { 3038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kSC_BlendCoeff: 3048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kISC_BlendCoeff: 3058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kSA_BlendCoeff: 3068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kISA_BlendCoeff: 3078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrPrintf("Unexpected src blend coeff. Won't work correctly with" 3088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com "coverage stages.\n"); 3098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 3108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com default: 3118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 3128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com #endif 3148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrBlendCoeff getSrcBlendCoeff() const { return fSrcBlend; } 3178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrBlendCoeff getDstBlendCoeff() const { return fDstBlend; } 3188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void getDstBlendCoeff(GrBlendCoeff* srcBlendCoeff, 3208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrBlendCoeff* dstBlendCoeff) const { 3218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com *srcBlendCoeff = fSrcBlend; 3228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com *dstBlendCoeff = fDstBlend; 3238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the blending function constant referenced by the following blending 3278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * coeffecients: 3288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kConstC_BlendCoeff 3298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kIConstC_BlendCoeff 3308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kConstA_BlendCoeff 3318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kIConstA_BlendCoeff 3328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param constant the constant to set 3348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setBlendConstant(GrColor constant) { fBlendConstant = constant; } 3368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the last value set by setBlendConstant() 3398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return the blending constant value 3408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrColor getBlendConstant() const { return fBlendConstant; } 3428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 3448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 3468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name View Matrix 3478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 3488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 350a72eef322c686954cdffa849dc26d8133b802f1drobertphillips@google.com * Sets the matrix applied to vertex positions. 3518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * In the post-view-matrix space the rectangle [0,w]x[0,h] 3538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * fully covers the render target. (w and h are the width and height of the 3548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * the rendertarget.) 3558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setViewMatrix(const GrMatrix& m) { fViewMatrix = m; } 3578f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Gets a writable pointer to the view matrix. 3608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrMatrix* viewMatrix() { return &fViewMatrix; } 3628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Multiplies the current view matrix by a matrix 3658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * After this call V' = V*m where V is the old view matrix, 3678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * m is the parameter to this function, and V' is the new view matrix. 3688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * (We consider positions to be column vectors so position vector p is 3698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * transformed by matrix X as p' = X*p.) 3708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param m the matrix used to modify the view matrix. 3728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void preConcatViewMatrix(const GrMatrix& m) { fViewMatrix.preConcat(m); } 3748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Multiplies the current view matrix by a matrix 3778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * After this call V' = m*V where V is the old view matrix, 3798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * m is the parameter to this function, and V' is the new view matrix. 3808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * (We consider positions to be column vectors so position vector p is 3818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * transformed by matrix X as p' = X*p.) 3828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param m the matrix used to modify the view matrix. 3848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void postConcatViewMatrix(const GrMatrix& m) { fViewMatrix.postConcat(m); } 3868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the current view matrix 3898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return the current view matrix. 3908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrMatrix& getViewMatrix() const { return fViewMatrix; } 3928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the inverse of the current view matrix. 3958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * If the current view matrix is invertible, return true, and if matrix 3978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * is non-null, copy the inverse into it. If the current view matrix is 3988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * non-invertible, return false and ignore the matrix parameter. 3998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param matrix if not null, will receive a copy of the current inverse. 4018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 4028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool getViewInverse(GrMatrix* matrix) const { 4038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // TODO: determine whether we really need to leave matrix unmodified 4048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // at call sites when inversion fails. 4058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrMatrix inverse; 4068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (fViewMatrix.invert(&inverse)) { 4078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (matrix) { 4088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com *matrix = inverse; 4098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return true; 4118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return false; 4138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com class AutoViewMatrixRestore : public ::GrNoncopyable { 4168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com public: 4178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoViewMatrixRestore() : fDrawState(NULL) {} 4188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoViewMatrixRestore(GrDrawState* ds, const GrMatrix& newMatrix) { 4198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = NULL; 4208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(ds, newMatrix); 4218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoViewMatrixRestore(GrDrawState* ds) { 4238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = NULL; 4248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(ds); 4258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ~AutoViewMatrixRestore() { 4278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(NULL, GrMatrix::I()); 4288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void set(GrDrawState* ds, const GrMatrix& newMatrix) { 4308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != fDrawState) { 4318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState->setViewMatrix(fSavedMatrix); 4328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != ds) { 4348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSavedMatrix = ds->getViewMatrix(); 4358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ds->setViewMatrix(newMatrix); 4368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = ds; 4388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void set(GrDrawState* ds) { 4408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != fDrawState) { 4418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState->setViewMatrix(fSavedMatrix); 4428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != ds) { 4448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSavedMatrix = ds->getViewMatrix(); 4458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = ds; 4478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com private: 4498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrDrawState* fDrawState; 4508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrMatrix fSavedMatrix; 4519381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 4529381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 4538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 4548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 4568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Render Target 4578f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 4588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 4608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the rendertarget used at the next drawing call 4618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param target The render target to set. 4638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 464c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com void setRenderTarget(GrRenderTarget* target) { fRenderTarget = target; } 4658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 4678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the currently set rendertarget. 4688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return The currently set render target. 4708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 4718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrRenderTarget* getRenderTarget() const { return fRenderTarget; } 4728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrRenderTarget* getRenderTarget() { return fRenderTarget; } 4738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com class AutoRenderTargetRestore : public ::GrNoncopyable { 4758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com public: 476cadbcb8e536f89babb4e165bfdca18384e97d582bsalomon@google.com AutoRenderTargetRestore() : fDrawState(NULL), fSavedTarget(NULL) {} 4778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoRenderTargetRestore(GrDrawState* ds, GrRenderTarget* newTarget) { 4788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = NULL; 4797460b378d68217167013ca889a4cdcae742908e7robertphillips@google.com fSavedTarget = NULL; 4808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(ds, newTarget); 4818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 482c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com ~AutoRenderTargetRestore() { this->set(NULL, NULL); } 483c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com void set(GrDrawState* ds, GrRenderTarget* newTarget) { 4848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != fDrawState) { 4858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState->setRenderTarget(fSavedTarget); 4868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != ds) { 4888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSavedTarget = ds->getRenderTarget(); 4898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ds->setRenderTarget(newTarget); 4908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 491c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fDrawState = ds; 4928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com private: 4948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrDrawState* fDrawState; 4958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrRenderTarget* fSavedTarget; 4968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com }; 4978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 4998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 5018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Stencil 5028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 5038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the stencil settings to use for the next draw. 5068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Changing the clip has the side-effect of possibly zeroing 5078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * out the client settable stencil bits. So multipass algorithms 5088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * using stencil should not change the clip between passes. 5098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param settings the stencil settings to use. 5108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 5118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setStencil(const GrStencilSettings& settings) { 5128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fStencilSettings = settings; 5138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 5148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Shortcut to disable stencil testing and ops. 5178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 5188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void disableStencil() { 5198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fStencilSettings.setDisabled(); 5208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 5218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrStencilSettings& getStencil() const { return fStencilSettings; } 5238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrStencilSettings* stencil() { return &fStencilSettings; } 5258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 5278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 52950bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /// @name Color Matrix 53050bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org //// 53150bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 53250bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /** 53350bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * Sets the color matrix to use for the next draw. 53450bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * @param matrix the 5x4 matrix to apply to the incoming color 53550bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org */ 53650bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org void setColorMatrix(const float matrix[20]) { 53750bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org memcpy(fColorMatrix, matrix, sizeof(fColorMatrix)); 53850bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org } 53950bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 54050bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org const float* getColorMatrix() const { return fColorMatrix; } 54150bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 54250bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /// @} 54350bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 54450bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /////////////////////////////////////////////////////////////////////////// 5458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // @name Edge AA 5467ffe6810c6787f7a353ef3fe8fab3fc6440aae19bsalomon@google.com // Edge equations can be specified to perform antialiasing. Because the 5477ffe6810c6787f7a353ef3fe8fab3fc6440aae19bsalomon@google.com // edges are specified as per-vertex data, vertices that are shared by 5487ffe6810c6787f7a353ef3fe8fab3fc6440aae19bsalomon@google.com // multiple edges must be split. 5498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // 5508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 5518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5539381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * When specifying edges as vertex data this enum specifies what type of 5549381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * edges are in use. The edges are always 4 GrScalars in memory, even when 5559381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * the edge type requires fewer than 4. 55693c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com * 55793c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com * TODO: Fix the fact that HairLine and Circle edge types use y-down coords. 55893c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com * (either adjust in VS or use origin_upper_left in GLSL) 5599381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com */ 5609381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com enum VertexEdgeType { 5619381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com /* 1-pixel wide line 5629381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 2D implicit line eq (a*x + b*y +c = 0). 4th component unused */ 5639381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com kHairLine_EdgeType, 56469cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com /* Quadratic specified by u^2-v canonical coords (only 2 56569cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com components used). Coverage based on signed distance with negative 56693c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com being inside, positive outside. Edge specified in window space 56793c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com (y-down) */ 56869cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com kQuad_EdgeType, 56969cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com /* Same as above but for hairline quadratics. Uses unsigned distance. 57069cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com Coverage is min(0, 1-distance). */ 57169cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com kHairQuad_EdgeType, 57293c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com /* Circle specified as center_x, center_y, outer_radius, inner_radius 57393c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com all in window space (y-down). */ 57493c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com kCircle_EdgeType, 57569cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com 57669cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com kVertexEdgeTypeCnt 5779381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 5789381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 5799381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com /** 5808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Determines the interpretation per-vertex edge data when the 5818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kEdge_VertexLayoutBit is set (see GrDrawTarget). When per-vertex edges 5828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * are not specified the value of this setting has no effect. 5838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 5848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setVertexEdgeType(VertexEdgeType type) { 58569cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com GrAssert(type >=0 && type < kVertexEdgeTypeCnt); 5868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fVertexEdgeType = type; 5878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 5888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 58952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com VertexEdgeType getVertexEdgeType() const { return fVertexEdgeType; } 5908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 5928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 5948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name State Flags 5958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 5968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Flags that affect rendering. Controlled using enable/disableState(). All 5998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * default to disabled. 6008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com enum StateBits { 6028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Perform dithering. TODO: Re-evaluate whether we need this bit 6048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kDither_StateBit = 0x01, 6068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Perform HW anti-aliasing. This means either HW FSAA, if supported 6088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * by the render target, or smooth-line rendering if a line primitive 6098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * is drawn and line smoothing is supported by the 3D API. 6108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kHWAntialias_StateBit = 0x02, 6128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Draws will respect the clip, otherwise the clip is ignored. 6148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kClip_StateBit = 0x04, 6168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Disables writing to the color buffer. Useful when performing stencil 6188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * operations. 6198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kNoColorWrites_StateBit = 0x08, 6218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 62250bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * Draws will apply the color matrix, otherwise the color matrix is 62350bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * ignored. 62450bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org */ 62550bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org kColorMatrix_StateBit = 0x20, 6268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // Users of the class may add additional bits to the vector 6288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kDummyStateBit, 6298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kLastPublicStateBit = kDummyStateBit-1, 6308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com }; 6318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void resetStateFlags() { 6338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits = 0; 6340fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com } 6350fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Enable render state settings. 6388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 6398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param flags bitfield of StateBits specifing the states to enable 6408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void enableState(uint32_t stateBits) { 6428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits |= stateBits; 6438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6440fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Disable render state settings. 6478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 6488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param flags bitfield of StateBits specifing the states to disable 6498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void disableState(uint32_t stateBits) { 6518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits &= ~(stateBits); 6528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6530fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isDitherState() const { 6558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kDither_StateBit); 6568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6570fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isHWAntialiasState() const { 6598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kHWAntialias_StateBit); 6608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6610fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isClipState() const { 6638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kClip_StateBit); 6648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6650fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isColorWriteDisabled() const { 6678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kNoColorWrites_StateBit); 6688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isStateFlagEnabled(uint32_t stateBit) const { 6718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (stateBit & fFlagBits); 6728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 674c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com /** 675c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com * Flags that do not affect rendering. 676c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com */ 677c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com enum GrBehaviorBits { 678c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com /** 679c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com * Calls to setTexture will ref/unref the texture 680c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com */ 681c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com kTexturesNeedRef_BehaviorBit = 0x01, 682c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com }; 683c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 684c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com void enableBehavior(uint32_t behaviorBits) { 685c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fBehaviorBits |= behaviorBits; 686c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 687c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 688c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com void disableBehavior(uint32_t behaviorBits) { 689c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fBehaviorBits &= ~(behaviorBits); 690c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 691c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 692c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com bool isBehaviorEnabled(uint32_t behaviorBits) const { 693c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com return 0 != (behaviorBits & fBehaviorBits); 694c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 695c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 6968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 6978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 6998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Face Culling 7008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 7018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com enum DrawFace { 703978c8c61ba1e792567e9d8e6629c2c4ee59727b7bsalomon@google.com kInvalid_DrawFace = -1, 704978c8c61ba1e792567e9d8e6629c2c4ee59727b7bsalomon@google.com 7058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kBoth_DrawFace, 7068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kCCW_DrawFace, 7078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kCW_DrawFace, 7088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com }; 7098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 7118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Controls whether clockwise, counterclockwise, or both faces are drawn. 7128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param face the face(s) to draw. 7138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 7148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setDrawFace(DrawFace face) { 715978c8c61ba1e792567e9d8e6629c2c4ee59727b7bsalomon@google.com GrAssert(kInvalid_DrawFace != face); 7168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawFace = face; 7178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 7188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 7208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Gets whether the target is drawing clockwise, counterclockwise, 7218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * or both faces. 7228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return the current draw face(s). 7238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 72452a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com DrawFace getDrawFace() const { return fDrawFace; } 7258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 7278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 72962b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 73062b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // Most stages are usually not used, so conditionals here 73162b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // reduce the expected number of bytes touched by 50%. 7329381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com bool operator ==(const GrDrawState& s) const { 7332e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com if (memcmp(this->podStart(), s.podStart(), this->podSize())) { 7348fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com return false; 7358fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com } 7368fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com 7378fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com if (!s.fViewMatrix.cheapEqualTo(fViewMatrix)) { 7388fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com return false; 7398fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com } 74062b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 741c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // kTexturesNeedRef is an internal flag for altering the draw state's 742c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // behavior rather than a property that will impact drawing - ignore it 743c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // here 744c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com if ((fBehaviorBits & ~kTexturesNeedRef_BehaviorBit) != 745c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com (s.fBehaviorBits & ~kTexturesNeedRef_BehaviorBit)) { 746c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com return false; 747c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 748c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 74962b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com for (int i = 0; i < kNumStages; i++) { 75062b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com if (fTextures[i] && 75102b1ea24fd1152cb5a93e05b4d78700740140db6tomhudson@google.com this->fSamplerStates[i] != s.fSamplerStates[i]) { 75262b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com return false; 75362b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 75462b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 7559b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com if (kColorMatrix_StateBit & s.fFlagBits) { 7569b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com if (memcmp(fColorMatrix, 7579b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com s.fColorMatrix, 7589b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com sizeof(fColorMatrix))) { 7599b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com return false; 7609b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com } 7619b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com } 76262b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 76362b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com return true; 7649381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com } 7659381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com bool operator !=(const GrDrawState& s) const { return !(*this == s); } 76662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 76762b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // Most stages are usually not used, so conditionals here 76862b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // reduce the expected number of bytes touched by 50%. 76962b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com GrDrawState& operator =(const GrDrawState& s) { 7702e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com memcpy(this->podStart(), s.podStart(), this->podSize()); 77162b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 7728fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com fViewMatrix = s.fViewMatrix; 773c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fBehaviorBits = s.fBehaviorBits; 7748fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com 77562b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com for (int i = 0; i < kNumStages; i++) { 77662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com if (s.fTextures[i]) { 77702b1ea24fd1152cb5a93e05b4d78700740140db6tomhudson@google.com this->fSamplerStates[i] = s.fSamplerStates[i]; 77862b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 77962b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 7809b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com if (kColorMatrix_StateBit & s.fFlagBits) { 7819b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com memcpy(this->fColorMatrix, s.fColorMatrix, sizeof(fColorMatrix)); 7829b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com } 78362b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 78462b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com return *this; 78562b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 78662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 78762b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.comprivate: 7882e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com 7892e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com const void* podStart() const { 7902e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<const void*>(&fPodStartMarker); 7912e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 7922e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com void* podStart() { 7932e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<void*>(&fPodStartMarker); 7942e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 7952e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com size_t memsetSize() const { 7962e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<size_t>(&fMemsetEndMarker) - 7972e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com reinterpret_cast<size_t>(&fPodStartMarker) + 7982e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com sizeof(fMemsetEndMarker); 7992e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8002e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com size_t podSize() const { 8012e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // Can't use offsetof() with non-POD types, so stuck with pointer math. 8022e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<size_t>(&fPodEndMarker) - 8032e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com reinterpret_cast<size_t>(&fPodStartMarker) + 8042e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com sizeof(fPodEndMarker); 8052e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8062e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com 807cf6285b89b8820641ffb6871d4b3275bfe783f51caryclark@google.com static const StageMask kIllegalStageMaskBits = ~((1U << kNumStages)-1); 80852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // @{ these fields can be initialized with memset to 0 8092e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com union { 8102e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrColor fBlendConstant; 8112e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrColor fPodStartMarker; 8122e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com }; 813c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrTexture* fTextures[kNumStages]; 81452a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrColor fColorFilterColor; 81552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com uint32_t fFlagBits; 81652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com DrawFace fDrawFace; 817c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com VertexEdgeType fVertexEdgeType; 81852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrStencilSettings fStencilSettings; 8192e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com union { 820c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrRenderTarget* fRenderTarget; 821c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrRenderTarget* fMemsetEndMarker; 8222e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com }; 82352a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // @} 82452a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 8252e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // @{ Initialized to values other than zero, but memcmp'ed in operator== 8262e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // and memcpy'ed in operator=. 82752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrColor fColor; 8282401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com GrColor fCoverage; 82952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com int fFirstCoverageStage; 83052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com SkXfermode::Mode fColorFilterMode; 83152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrBlendCoeff fSrcBlend; 8322e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com union { 833c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrBlendCoeff fDstBlend; 834c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrBlendCoeff fPodEndMarker; 8352e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com }; 83652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // @} 83752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 838c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com uint32_t fBehaviorBits; 8398fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com GrMatrix fViewMatrix; 8408fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com 8418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // This field must be last; it will not be copied or compared 8428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // if the corresponding fTexture[] is NULL. 84352a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrSamplerState fSamplerStates[kNumStages]; 8449b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com // only compared if the color matrix enable flag is set 8459b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com float fColorMatrix[20]; // 5 x 4 matrix 8468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 8479381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com}; 8489381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 8499381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#endif 850