GrDrawState.h revision a72eef322c686954cdffa849dc26d8133b802f1d
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 209381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.comclass GrRenderTarget; 219381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@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. 399381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com */ 409381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com enum { 41ec05eaaeacacdb68e593a8d327bd14997a5c60ffrobertphillips@google.com kNumStages = 4, 429381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com kMaxTexCoords = kNumStages 439381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 449381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 4539ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com /** 4639ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com * Bitfield used to indicate a set of stages. 4739ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com */ 4839ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com typedef uint32_t StageMask; 4939ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com GR_STATIC_ASSERT(sizeof(StageMask)*8 >= GrDrawState::kNumStages); 5039ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com 518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrDrawState() { 5252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com this->reset(); 5352a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com } 5446f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com 5546f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com GrDrawState(const GrDrawState& state) { 5646f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com *this = state; 5746f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com } 5846f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com 5952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com /** 6052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com * Resets to the default state. Sampler states will not be modified. 6152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com */ 6252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com void reset() { 638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // make sure any pad is zero for memcmp 6452a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // all GrDrawState members should default to something valid by the 6552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // the memset except those initialized individually below. There should 6652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // be no padding between the individually initialized members. 672e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com memset(this->podStart(), 0, this->memsetSize()); 682e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com 698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // pedantic assertion that our ptrs will 708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // be NULL (0 ptr is mem addr 0) 718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((intptr_t)(void*)NULL == 0LL); 7252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GR_STATIC_ASSERT(0 == kBoth_DrawFace); 738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert(fStencilSettings.isDisabled()); 7452a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 7552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // memset exceptions 7652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fColor = 0xffffffff; 772401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com fCoverage = 0xffffffff; 788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFirstCoverageStage = kNumStages; 7952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fColorFilterMode = SkXfermode::kDst_Mode; 8052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fSrcBlend = kOne_BlendCoeff; 8152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fDstBlend = kZero_BlendCoeff; 8252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fViewMatrix.reset(); 8352a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 8452a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // ensure values that will be memcmp'ed in == but not memset in reset() 8552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // are tightly packed 862e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrAssert(this->memsetSize() + sizeof(fColor) + sizeof(fCoverage) + 872401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com sizeof(fFirstCoverageStage) + sizeof(fColorFilterMode) + 888fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com sizeof(fSrcBlend) + sizeof(fDstBlend) == 892e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com this->podSize()); 9052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 9152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fEdgeAANumEdges = 0; 928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Color 968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets color for next draw to a premultiplied-alpha color. 1008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param color the color to set. 1028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setColor(GrColor color) { fColor = color; } 1048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrColor getColor() const { return fColor; } 1068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the color to be used for the next draw to be 1098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * (r,g,b,a) = (alpha, alpha, alpha, alpha). 1108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param alpha The alpha value to set as the color. 1128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setAlpha(uint8_t a) { 1148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->setColor((a << 24) | (a << 16) | (a << 8) | a); 1158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Add a color filter that can be represented by a color and a mode. Applied 1198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * after color-computing texture stages. 1208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setColorFilter(GrColor c, SkXfermode::Mode mode) { 1228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fColorFilterColor = c; 1238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fColorFilterMode = mode; 1248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrColor getColorFilterColor() const { return fColorFilterColor; } 1278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com SkXfermode::Mode getColorFilterMode() const { return fColorFilterMode; } 1288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 1308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 1322401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /// @name Coverage 1332401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com //// 1342401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1352401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /** 1362401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * Sets a constant fractional coverage to be applied to the draw. The 1372401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * initial value (after construction or reset()) is 0xff. The constant 1382401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * coverage is ignored when per-vertex coverage is provided. 1392401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com */ 1402401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com void setCoverage(uint8_t coverage) { 1412401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com fCoverage = GrColorPackRGBA(coverage, coverage, coverage, coverage); 1422401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com } 1432401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1442401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /** 1452401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * Version of above that specifies 4 channel per-vertex color. The value 1462401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * should be premultiplied. 1472401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com */ 1482401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com void setCoverage4(GrColor coverage) { 1492401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com fCoverage = coverage; 1502401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com } 1512401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1522401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com GrColor getCoverage() const { 1532401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com return fCoverage; 1542401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com } 1552401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1562401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /// @} 1572401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1582401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 1598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Textures 1608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 1618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the texture used at the next drawing call 1648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param stage The texture stage for which the texture will be set 1668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param texture The texture to set. Can be NULL though there is no 1688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * advantage to settings a NULL texture if doing non-textured drawing 1698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setTexture(int stage, GrTexture* texture) { 1718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 1728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fTextures[stage] = texture; 1738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the currently set texture. 1778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return The currently set texture. The return value will be NULL if no 1798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * texture has been set, NULL was most recently passed to 1808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * setTexture, or the last setTexture was destroyed. 1818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrTexture* getTexture(int stage) const { 1838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 1848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fTextures[stage]; 1858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrTexture* getTexture(int stage) { 1878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 1888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fTextures[stage]; 1898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 1928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 1948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Samplers 1958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 1968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Returns the current sampler for a stage. 1998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrSamplerState& getSampler(int stage) const { 2018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fSamplerStates[stage]; 2038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Writable pointer to a stage's sampler. 2078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrSamplerState* sampler(int stage) { 2098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fSamplerStates + stage; 2118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Preconcats the matrix of all samplers in the mask with the same matrix. 2158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void preConcatSamplerMatrices(StageMask stageMask, const GrMatrix& matrix) { 2178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert(!(stageMask & kIllegalStageMaskBits)); 2188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com for (int i = 0; i < kNumStages; ++i) { 2198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if ((1 << i) & stageMask) { 2208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSamplerStates[i].preConcatMatrix(matrix); 2218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 2268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 2288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Coverage / Color Stages 2298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 2308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * A common pattern is to compute a color with the initial stages and then 2338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * modulate that color by a coverage value in later stage(s) (AA, mask- 2348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * filters, glyph mask, etc). Color-filters, xfermodes, etc should be 2358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * computed based on the pre-coverage-modulated color. The division of 2368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * stages between color-computing and coverage-computing is specified by 2378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * this method. Initially this is kNumStages (all stages 2388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * are color-computing). 2398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setFirstCoverageStage(int firstCoverageStage) { 2418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)firstCoverageStage <= kNumStages); 2428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFirstCoverageStage = firstCoverageStage; 2438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Gets the index of the first coverage-computing stage. 2478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com int getFirstCoverageStage() const { 2498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fFirstCoverageStage; 2508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ///@} 2538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 2558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Blending 2568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 2578f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the blending function coeffecients. 2608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 2618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * The blend function will be: 2628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * D' = sat(S*srcCoef + D*dstCoef) 2638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 2648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * where D is the existing destination color, S is the incoming source 2658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * color, and D' is the new destination color that will be written. sat() 2668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * is the saturation function. 2678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 2688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param srcCoef coeffecient applied to the src color. 2698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param dstCoef coeffecient applied to the dst color. 2708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setBlendFunc(GrBlendCoeff srcCoeff, GrBlendCoeff dstCoeff) { 2728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSrcBlend = srcCoeff; 2738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDstBlend = dstCoeff; 2748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com #if GR_DEBUG 2758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com switch (dstCoeff) { 2768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kDC_BlendCoeff: 2778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kIDC_BlendCoeff: 2788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kDA_BlendCoeff: 2798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kIDA_BlendCoeff: 2808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrPrintf("Unexpected dst blend coeff. Won't work correctly with" 2818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com "coverage stages.\n"); 2828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 2838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com default: 2848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 2858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com switch (srcCoeff) { 2878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kSC_BlendCoeff: 2888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kISC_BlendCoeff: 2898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kSA_BlendCoeff: 2908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com case kISA_BlendCoeff: 2918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrPrintf("Unexpected src blend coeff. Won't work correctly with" 2928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com "coverage stages.\n"); 2938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 2948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com default: 2958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 2968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com #endif 2988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrBlendCoeff getSrcBlendCoeff() const { return fSrcBlend; } 3018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrBlendCoeff getDstBlendCoeff() const { return fDstBlend; } 3028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void getDstBlendCoeff(GrBlendCoeff* srcBlendCoeff, 3048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrBlendCoeff* dstBlendCoeff) const { 3058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com *srcBlendCoeff = fSrcBlend; 3068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com *dstBlendCoeff = fDstBlend; 3078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the blending function constant referenced by the following blending 3118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * coeffecients: 3128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kConstC_BlendCoeff 3138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kIConstC_BlendCoeff 3148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kConstA_BlendCoeff 3158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kIConstA_BlendCoeff 3168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param constant the constant to set 3188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setBlendConstant(GrColor constant) { fBlendConstant = constant; } 3208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the last value set by setBlendConstant() 3238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return the blending constant value 3248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrColor getBlendConstant() const { return fBlendConstant; } 3268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 3288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 3308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name View Matrix 3318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 3328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 334a72eef322c686954cdffa849dc26d8133b802f1drobertphillips@google.com * Sets the matrix applied to vertex positions. 3358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * In the post-view-matrix space the rectangle [0,w]x[0,h] 3378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * fully covers the render target. (w and h are the width and height of the 3388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * the rendertarget.) 3398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setViewMatrix(const GrMatrix& m) { fViewMatrix = m; } 3418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Gets a writable pointer to the view matrix. 3448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrMatrix* viewMatrix() { return &fViewMatrix; } 3468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Multiplies the current view matrix by a matrix 3498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * After this call V' = V*m where V is the old view matrix, 3518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * m is the parameter to this function, and V' is the new view matrix. 3528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * (We consider positions to be column vectors so position vector p is 3538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * transformed by matrix X as p' = X*p.) 3548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param m the matrix used to modify the view matrix. 3568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3578f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void preConcatViewMatrix(const GrMatrix& m) { fViewMatrix.preConcat(m); } 3588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Multiplies the current view matrix by a matrix 3618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * After this call V' = m*V where V is the old view matrix, 3638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * m is the parameter to this function, and V' is the new view matrix. 3648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * (We consider positions to be column vectors so position vector p is 3658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * transformed by matrix X as p' = X*p.) 3668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param m the matrix used to modify the view matrix. 3688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void postConcatViewMatrix(const GrMatrix& m) { fViewMatrix.postConcat(m); } 3708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the current view matrix 3738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return the current view matrix. 3748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrMatrix& getViewMatrix() const { return fViewMatrix; } 3768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the inverse of the current view matrix. 3798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * If the current view matrix is invertible, return true, and if matrix 3818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * is non-null, copy the inverse into it. If the current view matrix is 3828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * non-invertible, return false and ignore the matrix parameter. 3838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param matrix if not null, will receive a copy of the current inverse. 3858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool getViewInverse(GrMatrix* matrix) const { 3878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // TODO: determine whether we really need to leave matrix unmodified 3888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // at call sites when inversion fails. 3898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrMatrix inverse; 3908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (fViewMatrix.invert(&inverse)) { 3918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (matrix) { 3928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com *matrix = inverse; 3938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return true; 3958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return false; 3978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com class AutoViewMatrixRestore : public ::GrNoncopyable { 4008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com public: 4018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoViewMatrixRestore() : fDrawState(NULL) {} 4028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoViewMatrixRestore(GrDrawState* ds, const GrMatrix& newMatrix) { 4038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = NULL; 4048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(ds, newMatrix); 4058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoViewMatrixRestore(GrDrawState* ds) { 4078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = NULL; 4088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(ds); 4098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ~AutoViewMatrixRestore() { 4118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(NULL, GrMatrix::I()); 4128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void set(GrDrawState* ds, const GrMatrix& newMatrix) { 4148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != fDrawState) { 4158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState->setViewMatrix(fSavedMatrix); 4168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != ds) { 4188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSavedMatrix = ds->getViewMatrix(); 4198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ds->setViewMatrix(newMatrix); 4208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = ds; 4228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void set(GrDrawState* ds) { 4248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != fDrawState) { 4258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState->setViewMatrix(fSavedMatrix); 4268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != ds) { 4288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSavedMatrix = ds->getViewMatrix(); 4298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = ds; 4318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com private: 4338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrDrawState* fDrawState; 4348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrMatrix fSavedMatrix; 4359381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 4369381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 4378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 4388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 4408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Render Target 4418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 4428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 4448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the rendertarget used at the next drawing call 4458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param target The render target to set. 4478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 4488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setRenderTarget(GrRenderTarget* target) { fRenderTarget = target; } 4498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 4518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the currently set rendertarget. 4528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return The currently set render target. 4548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 4558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrRenderTarget* getRenderTarget() const { return fRenderTarget; } 4568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrRenderTarget* getRenderTarget() { return fRenderTarget; } 4578f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com class AutoRenderTargetRestore : public ::GrNoncopyable { 4598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com public: 460cadbcb8e536f89babb4e165bfdca18384e97d582bsalomon@google.com AutoRenderTargetRestore() : fDrawState(NULL), fSavedTarget(NULL) {} 4618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoRenderTargetRestore(GrDrawState* ds, GrRenderTarget* newTarget) { 4628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = NULL; 4637460b378d68217167013ca889a4cdcae742908e7robertphillips@google.com fSavedTarget = NULL; 4648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(ds, newTarget); 4658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ~AutoRenderTargetRestore() { this->set(NULL, NULL); } 4678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void set(GrDrawState* ds, GrRenderTarget* newTarget) { 4688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != fDrawState) { 4698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState->setRenderTarget(fSavedTarget); 4708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != ds) { 4728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSavedTarget = ds->getRenderTarget(); 4738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ds->setRenderTarget(newTarget); 4748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = ds; 4768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com private: 4788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrDrawState* fDrawState; 4798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrRenderTarget* fSavedTarget; 4808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com }; 4818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 4838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 4858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Stencil 4868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 4878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 4898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the stencil settings to use for the next draw. 4908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Changing the clip has the side-effect of possibly zeroing 4918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * out the client settable stencil bits. So multipass algorithms 4928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * using stencil should not change the clip between passes. 4938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param settings the stencil settings to use. 4948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 4958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setStencil(const GrStencilSettings& settings) { 4968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fStencilSettings = settings; 4978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Shortcut to disable stencil testing and ops. 5018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 5028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void disableStencil() { 5038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fStencilSettings.setDisabled(); 5048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 5058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrStencilSettings& getStencil() const { return fStencilSettings; } 5078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrStencilSettings* stencil() { return &fStencilSettings; } 5098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 5118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 51350bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /// @name Color Matrix 51450bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org //// 51550bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 51650bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /** 51750bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * Sets the color matrix to use for the next draw. 51850bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * @param matrix the 5x4 matrix to apply to the incoming color 51950bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org */ 52050bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org void setColorMatrix(const float matrix[20]) { 52150bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org memcpy(fColorMatrix, matrix, sizeof(fColorMatrix)); 52250bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org } 52350bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 52450bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org const float* getColorMatrix() const { return fColorMatrix; } 52550bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 52650bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /// @} 52750bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 52850bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /////////////////////////////////////////////////////////////////////////// 5298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // @name Edge AA 5308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // There are two ways to perform antialiasing using edge equations. One 5318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // is to specify an (linear or quadratic) edge eq per-vertex. This requires 5328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // splitting vertices shared by primitives. 5338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // 5348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // The other is via setEdgeAAData which sets a set of edges and each 5358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // is tested against all the edges. 5368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 5378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5399381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * When specifying edges as vertex data this enum specifies what type of 5409381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * edges are in use. The edges are always 4 GrScalars in memory, even when 5419381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * the edge type requires fewer than 4. 54293c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com * 54393c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com * TODO: Fix the fact that HairLine and Circle edge types use y-down coords. 54493c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com * (either adjust in VS or use origin_upper_left in GLSL) 5459381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com */ 5469381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com enum VertexEdgeType { 5479381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com /* 1-pixel wide line 5489381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 2D implicit line eq (a*x + b*y +c = 0). 4th component unused */ 5499381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com kHairLine_EdgeType, 55069cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com /* Quadratic specified by u^2-v canonical coords (only 2 55169cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com components used). Coverage based on signed distance with negative 55293c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com being inside, positive outside. Edge specified in window space 55393c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com (y-down) */ 55469cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com kQuad_EdgeType, 55569cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com /* Same as above but for hairline quadratics. Uses unsigned distance. 55669cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com Coverage is min(0, 1-distance). */ 55769cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com kHairQuad_EdgeType, 55893c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com /* Circle specified as center_x, center_y, outer_radius, inner_radius 55993c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com all in window space (y-down). */ 56093c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com kCircle_EdgeType, 56169cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com 56269cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com kVertexEdgeTypeCnt 5639381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 5649381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 5659381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com /** 5668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Determines the interpretation per-vertex edge data when the 5678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kEdge_VertexLayoutBit is set (see GrDrawTarget). When per-vertex edges 5688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * are not specified the value of this setting has no effect. 5698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 5708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setVertexEdgeType(VertexEdgeType type) { 57169cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com GrAssert(type >=0 && type < kVertexEdgeTypeCnt); 5728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fVertexEdgeType = type; 5738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 5748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 57552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com VertexEdgeType getVertexEdgeType() const { return fVertexEdgeType; } 5768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5789381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * The absolute maximum number of edges that may be specified for 5799381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * a single draw call when performing edge antialiasing. This is used for 5809381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * the size of several static buffers, so implementations of getMaxEdges() 5819381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * (below) should clamp to this value. 5829381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com */ 5839381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com enum { 58462b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // TODO: this should be 32 when GrTesselatedPathRenderer is used 58562b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // Visual Studio 2010 does not permit a member array of size 0. 58662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com kMaxEdges = 1 5879381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 5889381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 5899381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com class Edge { 5909381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com public: 5919381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com Edge() {} 5929381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com Edge(float x, float y, float z) : fX(x), fY(y), fZ(z) {} 5939381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com GrPoint intersect(const Edge& other) { 5949381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com return GrPoint::Make( 59572e49b8982586a5d8b0425f16d909c05a36ea8c3bsalomon@google.com SkFloatToScalar((fY * other.fZ - other.fY * fZ) / 59672e49b8982586a5d8b0425f16d909c05a36ea8c3bsalomon@google.com (fX * other.fY - other.fX * fY)), 59772e49b8982586a5d8b0425f16d909c05a36ea8c3bsalomon@google.com SkFloatToScalar((fX * other.fZ - other.fX * fZ) / 59872e49b8982586a5d8b0425f16d909c05a36ea8c3bsalomon@google.com (other.fX * fY - fX * other.fY))); 5999381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com } 6009381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com float fX, fY, fZ; 6019381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 6029381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 6038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the edge data required for edge antialiasing. 6058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 6068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param edges 3 * numEdges float values, representing the edge 6078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * equations in Ax + By + C form 6088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setEdgeAAData(const Edge* edges, int numEdges) { 6108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert(numEdges <= GrDrawState::kMaxEdges); 6118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com memcpy(fEdgeAAEdges, edges, numEdges * sizeof(GrDrawState::Edge)); 6128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fEdgeAANumEdges = numEdges; 6138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6140fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com int getNumAAEdges() const { return fEdgeAANumEdges; } 6160fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const Edge* getAAEdges() const { return fEdgeAAEdges; } 6188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 6208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 6228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name State Flags 6238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 6248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Flags that affect rendering. Controlled using enable/disableState(). All 6278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * default to disabled. 6288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com enum StateBits { 6308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Perform dithering. TODO: Re-evaluate whether we need this bit 6328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kDither_StateBit = 0x01, 6348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Perform HW anti-aliasing. This means either HW FSAA, if supported 6368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * by the render target, or smooth-line rendering if a line primitive 6378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * is drawn and line smoothing is supported by the 3D API. 6388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kHWAntialias_StateBit = 0x02, 6408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Draws will respect the clip, otherwise the clip is ignored. 6428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kClip_StateBit = 0x04, 6448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Disables writing to the color buffer. Useful when performing stencil 6468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * operations. 6478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kNoColorWrites_StateBit = 0x08, 6498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Modifies the behavior of edge AA specified by setEdgeAA. If set, 6518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * will test edge pairs for convexity when rasterizing. Set this if the 6528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * source polygon is non-convex. 6538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kEdgeAAConcave_StateBit = 0x10, 65550bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /** 65650bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * Draws will apply the color matrix, otherwise the color matrix is 65750bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * ignored. 65850bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org */ 65950bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org kColorMatrix_StateBit = 0x20, 6608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // Users of the class may add additional bits to the vector 6628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kDummyStateBit, 6638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kLastPublicStateBit = kDummyStateBit-1, 6648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com }; 6658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void resetStateFlags() { 6678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits = 0; 6680fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com } 6690fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Enable render state settings. 6728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 6738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param flags bitfield of StateBits specifing the states to enable 6748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void enableState(uint32_t stateBits) { 6768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits |= stateBits; 6778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6780fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Disable render state settings. 6818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 6828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param flags bitfield of StateBits specifing the states to disable 6838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void disableState(uint32_t stateBits) { 6858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits &= ~(stateBits); 6868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6870fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isDitherState() const { 6898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kDither_StateBit); 6908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6910fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isHWAntialiasState() const { 6938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kHWAntialias_StateBit); 6948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6950fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isClipState() const { 6978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kClip_StateBit); 6988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6990fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 7008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isColorWriteDisabled() const { 7018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kNoColorWrites_StateBit); 7028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 7038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isConcaveEdgeAAState() const { 7058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kEdgeAAConcave_StateBit); 7068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 7078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isStateFlagEnabled(uint32_t stateBit) const { 7098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (stateBit & fFlagBits); 7108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 7118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void copyStateFlags(const GrDrawState& ds) { 7138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits = ds.fFlagBits; 7148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 7158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 7178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 7198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Face Culling 7208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 7218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com enum DrawFace { 7238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kBoth_DrawFace, 7248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kCCW_DrawFace, 7258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kCW_DrawFace, 7268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com }; 7278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 7298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Controls whether clockwise, counterclockwise, or both faces are drawn. 7308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param face the face(s) to draw. 7318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 7328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setDrawFace(DrawFace face) { 7338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawFace = face; 7348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 7358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 7378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Gets whether the target is drawing clockwise, counterclockwise, 7388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * or both faces. 7398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return the current draw face(s). 7408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 74152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com DrawFace getDrawFace() const { return fDrawFace; } 7428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 7448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 74662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 74762b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // Most stages are usually not used, so conditionals here 74862b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // reduce the expected number of bytes touched by 50%. 7499381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com bool operator ==(const GrDrawState& s) const { 7502e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com if (memcmp(this->podStart(), s.podStart(), this->podSize())) { 7518fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com return false; 7528fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com } 7538fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com 7548fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com if (!s.fViewMatrix.cheapEqualTo(fViewMatrix)) { 7558fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com return false; 7568fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com } 75762b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 75862b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com for (int i = 0; i < kNumStages; i++) { 75962b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com if (fTextures[i] && 76002b1ea24fd1152cb5a93e05b4d78700740140db6tomhudson@google.com this->fSamplerStates[i] != s.fSamplerStates[i]) { 76162b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com return false; 76262b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 76362b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 7649b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com if (kColorMatrix_StateBit & s.fFlagBits) { 7659b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com if (memcmp(fColorMatrix, 7669b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com s.fColorMatrix, 7679b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com sizeof(fColorMatrix))) { 7689b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com return false; 7699b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com } 7709b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com } 77162b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 77262b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com return true; 7739381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com } 7749381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com bool operator !=(const GrDrawState& s) const { return !(*this == s); } 77562b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 77662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // Most stages are usually not used, so conditionals here 77762b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // reduce the expected number of bytes touched by 50%. 77862b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com GrDrawState& operator =(const GrDrawState& s) { 7792e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com memcpy(this->podStart(), s.podStart(), this->podSize()); 78062b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 7818fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com fViewMatrix = s.fViewMatrix; 7828fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com 783a5d056ae0b04021dfb44c2c7a3d6a34e060261b8bsalomon@google.com GrAssert(0 == s.fEdgeAANumEdges); 784a5d056ae0b04021dfb44c2c7a3d6a34e060261b8bsalomon@google.com fEdgeAANumEdges = 0; 785a5d056ae0b04021dfb44c2c7a3d6a34e060261b8bsalomon@google.com 78662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com for (int i = 0; i < kNumStages; i++) { 78762b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com if (s.fTextures[i]) { 78802b1ea24fd1152cb5a93e05b4d78700740140db6tomhudson@google.com this->fSamplerStates[i] = s.fSamplerStates[i]; 78962b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 79062b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 7919b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com if (kColorMatrix_StateBit & s.fFlagBits) { 7929b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com memcpy(this->fColorMatrix, s.fColorMatrix, sizeof(fColorMatrix)); 7939b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com } 79462b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 79562b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com return *this; 79662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 79762b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 79862b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.comprivate: 7992e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com 8002e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com const void* podStart() const { 8012e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<const void*>(&fPodStartMarker); 8022e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8032e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com void* podStart() { 8042e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<void*>(&fPodStartMarker); 8052e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8062e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com size_t memsetSize() const { 8072e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<size_t>(&fMemsetEndMarker) - 8082e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com reinterpret_cast<size_t>(&fPodStartMarker) + 8092e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com sizeof(fMemsetEndMarker); 8102e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8112e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com size_t podSize() const { 8122e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // Can't use offsetof() with non-POD types, so stuck with pointer math. 8132e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // TODO: ignores GrTesselatedPathRenderer data structures. We don't 8142e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // have a compile-time flag that lets us know if it's being used, and 8152e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // checking at runtime seems to cost 5% performance. 8162e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<size_t>(&fPodEndMarker) - 8172e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com reinterpret_cast<size_t>(&fPodStartMarker) + 8182e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com sizeof(fPodEndMarker); 8192e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8202e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com 8218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com static const StageMask kIllegalStageMaskBits = ~((1 << kNumStages)-1); 82252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // @{ these fields can be initialized with memset to 0 8232e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com union { 8242e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrColor fBlendConstant; 8252e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrColor fPodStartMarker; 8262e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com }; 82752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrTexture* fTextures[kNumStages]; 82852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrColor fColorFilterColor; 82952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com uint32_t fFlagBits; 83052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com DrawFace fDrawFace; 83152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com VertexEdgeType fVertexEdgeType; 83252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrStencilSettings fStencilSettings; 8332e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com union { 8342e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrRenderTarget* fRenderTarget; 8352e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrRenderTarget* fMemsetEndMarker; 8362e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com }; 83752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // @} 83852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 8392e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // @{ Initialized to values other than zero, but memcmp'ed in operator== 8402e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // and memcpy'ed in operator=. 84152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrColor fColor; 8422401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com GrColor fCoverage; 84352a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com int fFirstCoverageStage; 84452a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com SkXfermode::Mode fColorFilterMode; 84552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrBlendCoeff fSrcBlend; 8462e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com union { 8472e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrBlendCoeff fDstBlend; 8482e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrBlendCoeff fPodEndMarker; 8492e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com }; 85052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // @} 85152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 8528fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com GrMatrix fViewMatrix; 8538fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com 8548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // @{ Data for GrTesselatedPathRenderer 8558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // TODO: currently ignored in copying & comparison for performance. 8568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // Must be considered if GrTesselatedPathRenderer is being used. 85752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com int fEdgeAANumEdges; 85852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com Edge fEdgeAAEdges[kMaxEdges]; 8598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // @} 86052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 8618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // This field must be last; it will not be copied or compared 8628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // if the corresponding fTexture[] is NULL. 86352a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrSamplerState fSamplerStates[kNumStages]; 8649b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com // only compared if the color matrix enable flag is set 8659b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com float fColorMatrix[20]; // 5 x 4 matrix 8668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 8679381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com}; 8689381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 8699381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#endif 870