GrDrawState.h revision 972265db219ce25b5159879c75e6c62efaf0fa79
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" 1764aef2bacd1f5c25ffd9347aabd6265c9b60c0f4bsalomon@google.com#include "GrTexture.h" 189381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 199381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#include "SkXfermode.h" 209381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 21c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.comclass GrRenderTarget; 22c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.comclass GrTexture; 239381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 242e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.comclass GrDrawState : public GrRefCnt { 259381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 262e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.compublic: 279381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com /** 289381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * Number of texture stages. Each stage takes as input a color and 299381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * 2D texture coordinates. The color input to the first enabled stage is the 309381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * per-vertex color or the constant color (setColor/setAlpha) if there are 319381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * no per-vertex colors. For subsequent stages the input color is the output 329381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * color from the previous enabled stage. The output color of each stage is 339381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * the input color modulated with the result of a texture lookup. Texture 349381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * lookups are specified by a texture a sampler (setSamplerState). Texture 359381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * coordinates for each stage come from the vertices based on a 369381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * GrVertexLayout bitfield. The output fragment color is the output color of 379381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * the last enabled stage. The presence or absence of texture coordinates 389381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * for each stage in the vertex layout indicates whether a stage is enabled 399381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * or not. 40bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * 41bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * Stages 0 through GrPaint::kTotalStages-1 are reserved for setting up 42bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * the draw (i.e., textures and filter masks). Stages GrPaint::kTotalStages 43bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * through kNumStages-1 are earmarked for use by GrTextContext and 44bf5cad4e9c5808493b35cb9b0000a2d36b7f9b78robertphillips@google.com * GrPathRenderer-derived classes. 459381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com */ 469381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com enum { 47ec05eaaeacacdb68e593a8d327bd14997a5c60ffrobertphillips@google.com kNumStages = 4, 489381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com kMaxTexCoords = kNumStages 499381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 509381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 5139ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com /** 5239ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com * Bitfield used to indicate a set of stages. 5339ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com */ 5439ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com typedef uint32_t StageMask; 5539ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com GR_STATIC_ASSERT(sizeof(StageMask)*8 >= GrDrawState::kNumStages); 5639ee0ffa72fbd5df6d3ec6db4fdad0c1bc3946fdbsalomon@google.com 57c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrDrawState() { 5852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com this->reset(); 5952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com } 6046f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com 61c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrDrawState(const GrDrawState& state) { 6246f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com *this = state; 6346f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com } 6446f7afb9867200b568c21736da8a8bbb56b20e30bsalomon@google.com 6552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com /** 6652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com * Resets to the default state. Sampler states will not be modified. 6752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com */ 6852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com void reset() { 698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // make sure any pad is zero for memcmp 7052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // all GrDrawState members should default to something valid by the 7152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // the memset except those initialized individually below. There should 7252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // be no padding between the individually initialized members. 732e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com memset(this->podStart(), 0, this->memsetSize()); 742e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com 758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // pedantic assertion that our ptrs will 768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // be NULL (0 ptr is mem addr 0) 778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((intptr_t)(void*)NULL == 0LL); 7852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GR_STATIC_ASSERT(0 == kBoth_DrawFace); 798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert(fStencilSettings.isDisabled()); 8052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 8152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // memset exceptions 8252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fColor = 0xffffffff; 832401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com fCoverage = 0xffffffff; 848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFirstCoverageStage = kNumStages; 8552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fColorFilterMode = SkXfermode::kDst_Mode; 8647059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com fSrcBlend = kOne_GrBlendCoeff; 8747059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com fDstBlend = kZero_GrBlendCoeff; 8852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com fViewMatrix.reset(); 89c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fBehaviorBits = 0; 9052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 9152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // ensure values that will be memcmp'ed in == but not memset in reset() 9252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // are tightly packed 932e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrAssert(this->memsetSize() + sizeof(fColor) + sizeof(fCoverage) + 942401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com sizeof(fFirstCoverageStage) + sizeof(fColorFilterMode) + 95c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com sizeof(fSrcBlend) + sizeof(fDstBlend) == 96c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com this->podSize()); 978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 1008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Color 1018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 1028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets color for next draw to a premultiplied-alpha color. 1058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param color the color to set. 1078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setColor(GrColor color) { fColor = color; } 1098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrColor getColor() const { return fColor; } 1118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the color to be used for the next draw to be 1148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * (r,g,b,a) = (alpha, alpha, alpha, alpha). 1158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param alpha The alpha value to set as the color. 1178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setAlpha(uint8_t a) { 1198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->setColor((a << 24) | (a << 16) | (a << 8) | a); 1208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Add a color filter that can be represented by a color and a mode. Applied 1248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * after color-computing texture stages. 1258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setColorFilter(GrColor c, SkXfermode::Mode mode) { 1278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fColorFilterColor = c; 1288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fColorFilterMode = mode; 1298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrColor getColorFilterColor() const { return fColorFilterColor; } 1328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com SkXfermode::Mode getColorFilterMode() const { return fColorFilterMode; } 1338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 1358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 1372401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /// @name Coverage 1382401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com //// 1392401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1402401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /** 1412401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * Sets a constant fractional coverage to be applied to the draw. The 1422401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * initial value (after construction or reset()) is 0xff. The constant 1432401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * coverage is ignored when per-vertex coverage is provided. 1442401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com */ 1452401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com void setCoverage(uint8_t coverage) { 1462401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com fCoverage = GrColorPackRGBA(coverage, coverage, coverage, coverage); 1472401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com } 1482401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1492401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /** 1502401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * Version of above that specifies 4 channel per-vertex color. The value 1512401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com * should be premultiplied. 1522401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com */ 1532401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com void setCoverage4(GrColor coverage) { 1542401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com fCoverage = coverage; 1552401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com } 1562401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1572401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com GrColor getCoverage() const { 1582401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com return fCoverage; 1592401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com } 1602401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1612401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /// @} 1622401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com 1632401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 1648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Textures 1658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 1668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the texture used at the next drawing call 1698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param stage The texture stage for which the texture will be set 1718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param texture The texture to set. Can be NULL though there is no 1738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * advantage to settings a NULL texture if doing non-textured drawing 1748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setTexture(int stage, GrTexture* texture) { 1768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 1771942c05e9c51b462355626155c1bdc3fc43161cfrobertphillips@google.com 178c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com if (isBehaviorEnabled(kTexturesNeedRef_BehaviorBit)) { 179c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // If we don't clear out the current texture before unreffing 180c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // it we can get into an infinite loop as the GrGLTexture's 181c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // onRelease method recursively calls setTexture 182c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrTexture* temp = fTextures[stage]; 183c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fTextures[stage] = NULL; 1841942c05e9c51b462355626155c1bdc3fc43161cfrobertphillips@google.com 185c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com SkSafeRef(texture); 186c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com SkSafeUnref(temp); 187c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 1881942c05e9c51b462355626155c1bdc3fc43161cfrobertphillips@google.com 1898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fTextures[stage] = texture; 1908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 1918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 1928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 1938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the currently set texture. 1948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 1958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return The currently set texture. The return value will be NULL if no 1968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * texture has been set, NULL was most recently passed to 1978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * setTexture, or the last setTexture was destroyed. 1988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 1998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrTexture* getTexture(int stage) const { 2008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fTextures[stage]; 2028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrTexture* getTexture(int stage) { 2048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fTextures[stage]; 2068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 208972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com /** 209972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com * Release all the textures referred to by this draw state 210972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com */ 211972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com void releaseTextures() { 212972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com for (int i = 0; i < kNumStages; ++i) { 213972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com this->setTexture(i, NULL); 214972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com } 215972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com } 216972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com 217972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com class AutoTextureRelease : public ::GrNoncopyable { 218972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com public: 219972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com AutoTextureRelease(GrDrawState* ds) : fDrawState(ds) {} 220972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com ~AutoTextureRelease() { 221972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com if (NULL != fDrawState) { 222972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com fDrawState->releaseTextures(); 223972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com } 224972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com } 225972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com private: 226972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com GrDrawState* fDrawState; 227972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com }; 228972265db219ce25b5159879c75e6c62efaf0fa79robertphillips@google.com 2298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 2308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 2328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Samplers 2338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 2348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Returns the current sampler for a stage. 2378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrSamplerState& getSampler(int stage) const { 2398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fSamplerStates[stage]; 2418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Writable pointer to a stage's sampler. 2458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrSamplerState* sampler(int stage) { 2478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)stage < kNumStages); 2488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fSamplerStates + stage; 2498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Preconcats the matrix of all samplers in the mask with the same matrix. 2538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void preConcatSamplerMatrices(StageMask stageMask, const GrMatrix& matrix) { 2558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert(!(stageMask & kIllegalStageMaskBits)); 2568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com for (int i = 0; i < kNumStages; ++i) { 2578f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if ((1 << i) & stageMask) { 2588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSamplerStates[i].preConcatMatrix(matrix); 2598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 2648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 2668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Coverage / Color Stages 2678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 2688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * A common pattern is to compute a color with the initial stages and then 2718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * modulate that color by a coverage value in later stage(s) (AA, mask- 2728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * filters, glyph mask, etc). Color-filters, xfermodes, etc should be 2738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * computed based on the pre-coverage-modulated color. The division of 2748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * stages between color-computing and coverage-computing is specified by 2758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * this method. Initially this is kNumStages (all stages 2768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * are color-computing). 2778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setFirstCoverageStage(int firstCoverageStage) { 2798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrAssert((unsigned)firstCoverageStage <= kNumStages); 2808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFirstCoverageStage = firstCoverageStage; 2818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Gets the index of the first coverage-computing stage. 2858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 2868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com int getFirstCoverageStage() const { 2878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return fFirstCoverageStage; 2888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 2898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ///@} 2918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 2938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Blending 2948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 2958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 2968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 2978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the blending function coeffecients. 2988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 2998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * The blend function will be: 3008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * D' = sat(S*srcCoef + D*dstCoef) 3018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * where D is the existing destination color, S is the incoming source 3038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * color, and D' is the new destination color that will be written. sat() 3048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * is the saturation function. 3058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param srcCoef coeffecient applied to the src color. 3078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param dstCoef coeffecient applied to the dst color. 3088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setBlendFunc(GrBlendCoeff srcCoeff, GrBlendCoeff dstCoeff) { 3108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSrcBlend = srcCoeff; 3118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDstBlend = dstCoeff; 3128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com #if GR_DEBUG 3138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com switch (dstCoeff) { 31447059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com case kDC_GrBlendCoeff: 31547059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com case kIDC_GrBlendCoeff: 31647059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com case kDA_GrBlendCoeff: 31747059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com case kIDA_GrBlendCoeff: 3188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrPrintf("Unexpected dst blend coeff. Won't work correctly with" 3198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com "coverage stages.\n"); 3208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 3218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com default: 3228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 3238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com switch (srcCoeff) { 32547059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com case kSC_GrBlendCoeff: 32647059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com case kISC_GrBlendCoeff: 32747059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com case kSA_GrBlendCoeff: 32847059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com case kISA_GrBlendCoeff: 3298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrPrintf("Unexpected src blend coeff. Won't work correctly with" 3308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com "coverage stages.\n"); 3318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 3328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com default: 3338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com break; 3348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com #endif 3368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrBlendCoeff getSrcBlendCoeff() const { return fSrcBlend; } 3398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrBlendCoeff getDstBlendCoeff() const { return fDstBlend; } 3408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void getDstBlendCoeff(GrBlendCoeff* srcBlendCoeff, 3428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrBlendCoeff* dstBlendCoeff) const { 3438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com *srcBlendCoeff = fSrcBlend; 3448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com *dstBlendCoeff = fDstBlend; 3458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 3468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the blending function constant referenced by the following blending 3498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * coeffecients: 35047059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com * kConstC_GrBlendCoeff 35147059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com * kIConstC_GrBlendCoeff 35247059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com * kConstA_GrBlendCoeff 35347059542e7aa153926377456a6c611e55c8e428cbsalomon@google.com * kIConstA_GrBlendCoeff 3548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param constant the constant to set 3568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3578f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setBlendConstant(GrColor constant) { fBlendConstant = constant; } 3588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the last value set by setBlendConstant() 3618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return the blending constant value 3628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrColor getBlendConstant() const { return fBlendConstant; } 3648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 3668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 3688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name View Matrix 3698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 3708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 372a72eef322c686954cdffa849dc26d8133b802f1drobertphillips@google.com * Sets the matrix applied to vertex positions. 3738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * In the post-view-matrix space the rectangle [0,w]x[0,h] 3758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * fully covers the render target. (w and h are the width and height of the 3768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * the rendertarget.) 3778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setViewMatrix(const GrMatrix& m) { fViewMatrix = m; } 3798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Gets a writable pointer to the view matrix. 3828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrMatrix* viewMatrix() { return &fViewMatrix; } 3848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Multiplies the current view matrix by a matrix 3878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * After this call V' = V*m where V is the old view matrix, 3898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * m is the parameter to this function, and V' is the new view matrix. 3908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * (We consider positions to be column vectors so position vector p is 3918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * transformed by matrix X as p' = X*p.) 3928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 3938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param m the matrix used to modify the view matrix. 3948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 3958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void preConcatViewMatrix(const GrMatrix& m) { fViewMatrix.preConcat(m); } 3968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 3978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 3988f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Multiplies the current view matrix by a matrix 3998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * After this call V' = m*V where V is the old view matrix, 4018f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * m is the parameter to this function, and V' is the new view matrix. 4028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * (We consider positions to be column vectors so position vector p is 4038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * transformed by matrix X as p' = X*p.) 4048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param m the matrix used to modify the view matrix. 4068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 4078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void postConcatViewMatrix(const GrMatrix& m) { fViewMatrix.postConcat(m); } 4088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 4108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the current view matrix 4118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return the current view matrix. 4128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 4138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrMatrix& getViewMatrix() const { return fViewMatrix; } 4148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 4168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the inverse of the current view matrix. 4178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * If the current view matrix is invertible, return true, and if matrix 4198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * is non-null, copy the inverse into it. If the current view matrix is 4208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * non-invertible, return false and ignore the matrix parameter. 4218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param matrix if not null, will receive a copy of the current inverse. 4238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 4248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool getViewInverse(GrMatrix* matrix) const { 4258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // TODO: determine whether we really need to leave matrix unmodified 4268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // at call sites when inversion fails. 4278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrMatrix inverse; 4288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (fViewMatrix.invert(&inverse)) { 4298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (matrix) { 4308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com *matrix = inverse; 4318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return true; 4338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return false; 4358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com class AutoViewMatrixRestore : public ::GrNoncopyable { 4388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com public: 4398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoViewMatrixRestore() : fDrawState(NULL) {} 4408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoViewMatrixRestore(GrDrawState* ds, const GrMatrix& newMatrix) { 4418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = NULL; 4428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(ds, newMatrix); 4438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoViewMatrixRestore(GrDrawState* ds) { 4458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = NULL; 4468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(ds); 4478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ~AutoViewMatrixRestore() { 4498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(NULL, GrMatrix::I()); 4508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void set(GrDrawState* ds, const GrMatrix& newMatrix) { 4528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != fDrawState) { 4538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState->setViewMatrix(fSavedMatrix); 4548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != ds) { 4568f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSavedMatrix = ds->getViewMatrix(); 4578f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ds->setViewMatrix(newMatrix); 4588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = ds; 4608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void set(GrDrawState* ds) { 4628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != fDrawState) { 4638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState->setViewMatrix(fSavedMatrix); 4648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != ds) { 4668f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSavedMatrix = ds->getViewMatrix(); 4678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = ds; 4698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 4708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com private: 4718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrDrawState* fDrawState; 4728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrMatrix fSavedMatrix; 4739381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 4749381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 4758f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 4768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 4788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Render Target 4798f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 4808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 4828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the rendertarget used at the next drawing call 4838f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param target The render target to set. 4858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 486c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com void setRenderTarget(GrRenderTarget* target) { fRenderTarget = target; } 4878f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 4898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Retrieves the currently set rendertarget. 4908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 4918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return The currently set render target. 4928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 4938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrRenderTarget* getRenderTarget() const { return fRenderTarget; } 4948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrRenderTarget* getRenderTarget() { return fRenderTarget; } 4958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 4968f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com class AutoRenderTargetRestore : public ::GrNoncopyable { 4978f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com public: 498cadbcb8e536f89babb4e165bfdca18384e97d582bsalomon@google.com AutoRenderTargetRestore() : fDrawState(NULL), fSavedTarget(NULL) {} 4998f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com AutoRenderTargetRestore(GrDrawState* ds, GrRenderTarget* newTarget) { 5008f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState = NULL; 5017460b378d68217167013ca889a4cdcae742908e7robertphillips@google.com fSavedTarget = NULL; 5028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com this->set(ds, newTarget); 5038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 504c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com ~AutoRenderTargetRestore() { this->set(NULL, NULL); } 505c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com void set(GrDrawState* ds, GrRenderTarget* newTarget) { 5068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != fDrawState) { 5078f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawState->setRenderTarget(fSavedTarget); 5088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 5098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com if (NULL != ds) { 5108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fSavedTarget = ds->getRenderTarget(); 5118f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com ds->setRenderTarget(newTarget); 5128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 513c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fDrawState = ds; 5148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 5158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com private: 5168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrDrawState* fDrawState; 5178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrRenderTarget* fSavedTarget; 5188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com }; 5198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 5218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 5238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Stencil 5248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 5258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Sets the stencil settings to use for the next draw. 5288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Changing the clip has the side-effect of possibly zeroing 5298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * out the client settable stencil bits. So multipass algorithms 5308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * using stencil should not change the clip between passes. 5318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param settings the stencil settings to use. 5328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 5338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setStencil(const GrStencilSettings& settings) { 5348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fStencilSettings = settings; 5358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 5368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Shortcut to disable stencil testing and ops. 5398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 5408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void disableStencil() { 5418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fStencilSettings.setDisabled(); 5428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 5438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com const GrStencilSettings& getStencil() const { return fStencilSettings; } 5458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5468f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com GrStencilSettings* stencil() { return &fStencilSettings; } 5478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 5498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 55150bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /// @name Color Matrix 55250bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org //// 55350bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 55450bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /** 55550bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * Sets the color matrix to use for the next draw. 55650bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * @param matrix the 5x4 matrix to apply to the incoming color 55750bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org */ 55850bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org void setColorMatrix(const float matrix[20]) { 55950bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org memcpy(fColorMatrix, matrix, sizeof(fColorMatrix)); 56050bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org } 56150bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 56250bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org const float* getColorMatrix() const { return fColorMatrix; } 56350bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 56450bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /// @} 56550bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org 56650bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org /////////////////////////////////////////////////////////////////////////// 5678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // @name Edge AA 5687ffe6810c6787f7a353ef3fe8fab3fc6440aae19bsalomon@google.com // Edge equations can be specified to perform antialiasing. Because the 5697ffe6810c6787f7a353ef3fe8fab3fc6440aae19bsalomon@google.com // edges are specified as per-vertex data, vertices that are shared by 5707ffe6810c6787f7a353ef3fe8fab3fc6440aae19bsalomon@google.com // multiple edges must be split. 5718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // 5728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 5738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 5748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 5759381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * When specifying edges as vertex data this enum specifies what type of 5769381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * edges are in use. The edges are always 4 GrScalars in memory, even when 5779381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com * the edge type requires fewer than 4. 57893c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com * 57993c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com * TODO: Fix the fact that HairLine and Circle edge types use y-down coords. 58093c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com * (either adjust in VS or use origin_upper_left in GLSL) 5819381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com */ 5829381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com enum VertexEdgeType { 5839381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com /* 1-pixel wide line 5849381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 2D implicit line eq (a*x + b*y +c = 0). 4th component unused */ 5859381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com kHairLine_EdgeType, 58669cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com /* Quadratic specified by u^2-v canonical coords (only 2 58769cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com components used). Coverage based on signed distance with negative 58893c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com being inside, positive outside. Edge specified in window space 58993c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com (y-down) */ 59069cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com kQuad_EdgeType, 59169cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com /* Same as above but for hairline quadratics. Uses unsigned distance. 59269cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com Coverage is min(0, 1-distance). */ 59369cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com kHairQuad_EdgeType, 59493c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com /* Circle specified as center_x, center_y, outer_radius, inner_radius 59593c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com all in window space (y-down). */ 59693c9660cd158c5d0cab0ba4223e4257f699d5bb8bsalomon@google.com kCircle_EdgeType, 59769cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com 59869cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com kVertexEdgeTypeCnt 5999381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com }; 6009381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 6019381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com /** 6028f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Determines the interpretation per-vertex edge data when the 6038f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * kEdge_VertexLayoutBit is set (see GrDrawTarget). When per-vertex edges 6048f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * are not specified the value of this setting has no effect. 6058f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6068f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setVertexEdgeType(VertexEdgeType type) { 60769cc6ad20ed03f35f9d3c8119a2c32187669a22bbsalomon@google.com GrAssert(type >=0 && type < kVertexEdgeTypeCnt); 6088f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fVertexEdgeType = type; 6098f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6108f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 61152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com VertexEdgeType getVertexEdgeType() const { return fVertexEdgeType; } 6128f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6138f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 6148f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6158f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 6168f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name State Flags 6178f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 6188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Flags that affect rendering. Controlled using enable/disableState(). All 6218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * default to disabled. 6228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com enum StateBits { 6248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6258f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Perform dithering. TODO: Re-evaluate whether we need this bit 6268f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kDither_StateBit = 0x01, 6288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Perform HW anti-aliasing. This means either HW FSAA, if supported 6308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * by the render target, or smooth-line rendering if a line primitive 6318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * is drawn and line smoothing is supported by the 3D API. 6328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kHWAntialias_StateBit = 0x02, 6348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Draws will respect the clip, otherwise the clip is ignored. 6368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6378f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kClip_StateBit = 0x04, 6388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Disables writing to the color buffer. Useful when performing stencil 6408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * operations. 6418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kNoColorWrites_StateBit = 0x08, 6438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 64450bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * Draws will apply the color matrix, otherwise the color matrix is 64550bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org * ignored. 64650bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org */ 64750bdad85db2fe6be4d0bf0c5b6473f712b1bdd32senorblanco@chromium.org kColorMatrix_StateBit = 0x20, 6488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // Users of the class may add additional bits to the vector 6508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kDummyStateBit, 6518f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kLastPublicStateBit = kDummyStateBit-1, 6528f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com }; 6538f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6548f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void resetStateFlags() { 6558f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits = 0; 6560fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com } 6570fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6588f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6598f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Enable render state settings. 6608f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 6618f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param flags bitfield of StateBits specifing the states to enable 6628f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void enableState(uint32_t stateBits) { 6648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits |= stateBits; 6658f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6660fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6678f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 6688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Disable render state settings. 6698f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * 6708f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param flags bitfield of StateBits specifing the states to disable 6718f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 6728f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void disableState(uint32_t stateBits) { 6738f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fFlagBits &= ~(stateBits); 6748f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6750fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6768f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isDitherState() const { 6778f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kDither_StateBit); 6788f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6790fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6808f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isHWAntialiasState() const { 6818f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kHWAntialias_StateBit); 6828f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6830fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6848f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isClipState() const { 6858f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kClip_StateBit); 6868f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6870fec61d19ca9088d54f58bd0a67150171b83d66cbsalomon@google.com 6888f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isColorWriteDisabled() const { 6898f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (fFlagBits & kNoColorWrites_StateBit); 6908f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6918f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 6928f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com bool isStateFlagEnabled(uint32_t stateBit) const { 6938f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com return 0 != (stateBit & fFlagBits); 6948f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 6958f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 696c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com /** 697c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com * Flags that do not affect rendering. 698c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com */ 699c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com enum GrBehaviorBits { 700c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com /** 701c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com * Calls to setTexture will ref/unref the texture 702c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com */ 703c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com kTexturesNeedRef_BehaviorBit = 0x01, 704c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com }; 705c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 706c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com void enableBehavior(uint32_t behaviorBits) { 707c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fBehaviorBits |= behaviorBits; 708c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 709c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 710c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com void disableBehavior(uint32_t behaviorBits) { 711c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fBehaviorBits &= ~(behaviorBits); 712c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 713c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 714c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com bool isBehaviorEnabled(uint32_t behaviorBits) const { 715c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com return 0 != (behaviorBits & fBehaviorBits); 716c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 717c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 7188f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 7198f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7208f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 7218f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @name Face Culling 7228f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com //// 7238f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7248f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com enum DrawFace { 725978c8c61ba1e792567e9d8e6629c2c4ee59727b7bsalomon@google.com kInvalid_DrawFace = -1, 726978c8c61ba1e792567e9d8e6629c2c4ee59727b7bsalomon@google.com 7278f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kBoth_DrawFace, 7288f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kCCW_DrawFace, 7298f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com kCW_DrawFace, 7308f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com }; 7318f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7328f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 7338f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Controls whether clockwise, counterclockwise, or both faces are drawn. 7348f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @param face the face(s) to draw. 7358f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 7368f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com void setDrawFace(DrawFace face) { 737978c8c61ba1e792567e9d8e6629c2c4ee59727b7bsalomon@google.com GrAssert(kInvalid_DrawFace != face); 7388f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com fDrawFace = face; 7398f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com } 7408f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7418f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /** 7428f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * Gets whether the target is drawing clockwise, counterclockwise, 7438f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * or both faces. 7448f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com * @return the current draw face(s). 7458f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com */ 74652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com DrawFace getDrawFace() const { return fDrawFace; } 7478f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7488f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /// @} 7498f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 7508f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com /////////////////////////////////////////////////////////////////////////// 75162b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 75262b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // Most stages are usually not used, so conditionals here 75362b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // reduce the expected number of bytes touched by 50%. 7549381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com bool operator ==(const GrDrawState& s) const { 7552e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com if (memcmp(this->podStart(), s.podStart(), this->podSize())) { 7568fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com return false; 7578fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com } 7588fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com 7598fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com if (!s.fViewMatrix.cheapEqualTo(fViewMatrix)) { 7608fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com return false; 7618fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com } 76262b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 763c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // kTexturesNeedRef is an internal flag for altering the draw state's 764c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // behavior rather than a property that will impact drawing - ignore it 765c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com // here 766c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com if ((fBehaviorBits & ~kTexturesNeedRef_BehaviorBit) != 767c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com (s.fBehaviorBits & ~kTexturesNeedRef_BehaviorBit)) { 768c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com return false; 769c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com } 770c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com 77162b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com for (int i = 0; i < kNumStages; i++) { 77262b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com if (fTextures[i] && 77302b1ea24fd1152cb5a93e05b4d78700740140db6tomhudson@google.com this->fSamplerStates[i] != s.fSamplerStates[i]) { 77462b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com return false; 77562b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 77662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 7779b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com if (kColorMatrix_StateBit & s.fFlagBits) { 7789b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com if (memcmp(fColorMatrix, 7799b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com s.fColorMatrix, 7809b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com sizeof(fColorMatrix))) { 7819b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com return false; 7829b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com } 7839b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com } 78462b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 78562b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com return true; 7869381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com } 7879381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com bool operator !=(const GrDrawState& s) const { return !(*this == s); } 78862b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 78962b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // Most stages are usually not used, so conditionals here 79062b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com // reduce the expected number of bytes touched by 50%. 79162b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com GrDrawState& operator =(const GrDrawState& s) { 7922e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com memcpy(this->podStart(), s.podStart(), this->podSize()); 79362b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 7948fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com fViewMatrix = s.fViewMatrix; 795c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com fBehaviorBits = s.fBehaviorBits; 7968fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com 79762b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com for (int i = 0; i < kNumStages; i++) { 79862b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com if (s.fTextures[i]) { 79902b1ea24fd1152cb5a93e05b4d78700740140db6tomhudson@google.com this->fSamplerStates[i] = s.fSamplerStates[i]; 80062b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 80162b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 8029b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com if (kColorMatrix_StateBit & s.fFlagBits) { 8039b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com memcpy(this->fColorMatrix, s.fColorMatrix, sizeof(fColorMatrix)); 8049b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com } 80562b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 80662b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com return *this; 80762b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com } 80862b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.com 80962b09687857c923b1044be0aef4dd900f8379b22tomhudson@google.comprivate: 8102e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com 8112e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com const void* podStart() const { 8122e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<const void*>(&fPodStartMarker); 8132e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8142e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com void* podStart() { 8152e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<void*>(&fPodStartMarker); 8162e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8172e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com size_t memsetSize() const { 8182e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<size_t>(&fMemsetEndMarker) - 8192e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com reinterpret_cast<size_t>(&fPodStartMarker) + 8202e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com sizeof(fMemsetEndMarker); 8212e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8222e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com size_t podSize() const { 8232e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // Can't use offsetof() with non-POD types, so stuck with pointer math. 8242e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com return reinterpret_cast<size_t>(&fPodEndMarker) - 8252e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com reinterpret_cast<size_t>(&fPodStartMarker) + 8262e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com sizeof(fPodEndMarker); 8272e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com } 8282e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com 829cf6285b89b8820641ffb6871d4b3275bfe783f51caryclark@google.com static const StageMask kIllegalStageMaskBits = ~((1U << kNumStages)-1); 83052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // @{ these fields can be initialized with memset to 0 8312e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com union { 8322e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrColor fBlendConstant; 8332e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com GrColor fPodStartMarker; 8342e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com }; 835c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrTexture* fTextures[kNumStages]; 83652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrColor fColorFilterColor; 83752a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com uint32_t fFlagBits; 83852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com DrawFace fDrawFace; 839c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com VertexEdgeType fVertexEdgeType; 84052a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrStencilSettings fStencilSettings; 8412e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com union { 842c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrRenderTarget* fRenderTarget; 843c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrRenderTarget* fMemsetEndMarker; 8442e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com }; 84552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // @} 84652a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 8472e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // @{ Initialized to values other than zero, but memcmp'ed in operator== 8482e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com // and memcpy'ed in operator=. 84952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrColor fColor; 8502401ae8fd3c1f6282f571b5a7e0a499e9f4c09abbsalomon@google.com GrColor fCoverage; 85152a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com int fFirstCoverageStage; 85252a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com SkXfermode::Mode fColorFilterMode; 85352a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrBlendCoeff fSrcBlend; 8542e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com union { 855c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrBlendCoeff fDstBlend; 856c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com GrBlendCoeff fPodEndMarker; 8572e3d144dfdbc4596d33baef7396316f88f412cc8bsalomon@google.com }; 85852a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com // @} 85952a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com 860c077d1eaa8322087f3cc954c3b2e9af7fef103fcrobertphillips@google.com uint32_t fBehaviorBits; 8618fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com GrMatrix fViewMatrix; 8628fe84b53a64b5d92f3aabdd8e7fc7b2ee15c0a75bsalomon@google.com 8638f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // This field must be last; it will not be copied or compared 8648f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com // if the corresponding fTexture[] is NULL. 86552a5dcb43b5acbde377f664807b0f75af8bb1666bsalomon@google.com GrSamplerState fSamplerStates[kNumStages]; 8669b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com // only compared if the color matrix enable flag is set 8679b1517edc7eb3e116902a3b3da447a73aaa56585bsalomon@google.com float fColorMatrix[20]; // 5 x 4 matrix 8688f9cbd62ec108d410b91155dcf6a4789c641246fbsalomon@google.com 8699381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com}; 8709381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com 8719381363050ec9d3e724076a8e9152bfa9a8de1d1tomhudson@google.com#endif 872