reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 1 | /* |
| 2 | Copyright 2010 Google Inc. |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 17 | #include "GrGpu.h" |
| 18 | #include "GrMemory.h" |
| 19 | #include "GrTextStrike.h" |
| 20 | #include "GrTextureCache.h" |
| 21 | #include "GrClipIterator.h" |
| 22 | #include "GrIndexBuffer.h" |
bsalomon@google.com | 6f7fbc9 | 2011-02-01 19:12:40 +0000 | [diff] [blame] | 23 | #include "GrVertexBuffer.h" |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 24 | #include "GrBufferAllocPool.h" |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 25 | #include "GrPathRenderer.h" |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 26 | |
| 27 | // probably makes no sense for this to be less than a page |
bsalomon@google.com | 7a5af8b | 2011-02-18 18:40:42 +0000 | [diff] [blame] | 28 | static const size_t VERTEX_POOL_VB_SIZE = 1 << 12; |
| 29 | static const int VERTEX_POOL_VB_COUNT = 1; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 30 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 31 | //////////////////////////////////////////////////////////////////////////////// |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 32 | |
| 33 | size_t GrTexture::BytesPerPixel(PixelConfig config) { |
| 34 | switch (config) { |
| 35 | case kAlpha_8_PixelConfig: |
| 36 | case kIndex_8_PixelConfig: |
| 37 | return 1; |
| 38 | case kRGB_565_PixelConfig: |
| 39 | case kRGBA_4444_PixelConfig: |
| 40 | return 2; |
| 41 | case kRGBA_8888_PixelConfig: |
| 42 | case kRGBX_8888_PixelConfig: |
| 43 | return 4; |
| 44 | default: |
| 45 | return 0; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | bool GrTexture::PixelConfigIsOpaque(PixelConfig config) { |
| 50 | switch (config) { |
| 51 | case GrTexture::kRGB_565_PixelConfig: |
| 52 | case GrTexture::kRGBX_8888_PixelConfig: |
| 53 | return true; |
| 54 | default: |
| 55 | return false; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 60 | //////////////////////////////////////////////////////////////////////////////// |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 61 | |
| 62 | extern void gr_run_unittests(); |
| 63 | |
| 64 | GrGpu::GrGpu() : f8bitPaletteSupport(false), |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 65 | fCurrPoolVertexBuffer(NULL), |
| 66 | fCurrPoolStartVertex(0), |
| 67 | fCurrPoolIndexBuffer(NULL), |
| 68 | fCurrPoolStartIndex(0), |
| 69 | fVertexPool(NULL), |
| 70 | fIndexPool(NULL), |
bsalomon@google.com | 6f7fbc9 | 2011-02-01 19:12:40 +0000 | [diff] [blame] | 71 | fQuadIndexBuffer(NULL), |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 72 | fUnitSquareVertexBuffer(NULL), |
| 73 | fPathRenderer(NULL), |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame^] | 74 | fContextIsDirty(true), |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 75 | fVertexPoolInUse(false), |
| 76 | fIndexPoolInUse(false) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 77 | #if GR_DEBUG |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 78 | //gr_run_unittests(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 79 | #endif |
| 80 | resetStats(); |
| 81 | } |
| 82 | |
| 83 | GrGpu::~GrGpu() { |
bsalomon@google.com | 6f7fbc9 | 2011-02-01 19:12:40 +0000 | [diff] [blame] | 84 | GrSafeUnref(fQuadIndexBuffer); |
| 85 | GrSafeUnref(fUnitSquareVertexBuffer); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 86 | delete fVertexPool; |
| 87 | delete fIndexPool; |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 88 | delete fPathRenderer; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | void GrGpu::resetContext() { |
| 92 | } |
| 93 | |
| 94 | void GrGpu::unimpl(const char msg[]) { |
bsalomon@google.com | 7d34d2e | 2011-01-24 17:41:47 +0000 | [diff] [blame] | 95 | #if GR_DEBUG |
| 96 | GrPrintf("--- GrGpu unimplemented(\"%s\")\n", msg); |
| 97 | #endif |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 98 | } |
| 99 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 100 | //////////////////////////////////////////////////////////////////////////////// |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 101 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame^] | 102 | GrTexture* GrGpu::createTexture(const TextureDesc& desc, |
| 103 | const void* srcData, size_t rowBytes) { |
| 104 | this->handleDirtyContext(); |
| 105 | return this->createTextureHelper(desc, srcData, rowBytes); |
| 106 | } |
| 107 | |
| 108 | GrRenderTarget* GrGpu::createPlatformRenderTarget(intptr_t platformRenderTarget, |
| 109 | int stencilBits, |
| 110 | int width, int height) { |
| 111 | this->handleDirtyContext(); |
| 112 | return this->createPlatformRenderTargetHelper(platformRenderTarget, |
| 113 | stencilBits, |
| 114 | width, height); |
| 115 | } |
| 116 | |
| 117 | GrRenderTarget* GrGpu::createRenderTargetFrom3DApiState() { |
| 118 | this->handleDirtyContext(); |
| 119 | return this->createRenderTargetFrom3DApiStateHelper(); |
| 120 | } |
| 121 | |
| 122 | GrVertexBuffer* GrGpu::createVertexBuffer(uint32_t size, bool dynamic) { |
| 123 | this->handleDirtyContext(); |
| 124 | return this->createVertexBufferHelper(size, dynamic); |
| 125 | } |
| 126 | |
| 127 | GrIndexBuffer* GrGpu::createIndexBuffer(uint32_t size, bool dynamic) { |
| 128 | this->handleDirtyContext(); |
| 129 | return this->createIndexBufferHelper(size, dynamic); |
| 130 | } |
| 131 | |
| 132 | void GrGpu::eraseColor(GrColor color) { |
| 133 | this->handleDirtyContext(); |
| 134 | this->eraseColorHelper(color); |
| 135 | } |
| 136 | |
| 137 | void GrGpu::forceRenderTargetFlush() { |
| 138 | this->handleDirtyContext(); |
| 139 | this->forceRenderTargetFlushHelper(); |
| 140 | } |
| 141 | |
| 142 | bool GrGpu::readPixels(int left, int top, int width, int height, |
| 143 | GrTexture::PixelConfig config, void* buffer) { |
| 144 | this->handleDirtyContext(); |
| 145 | return this->readPixelsHelper(left, top, width, height, config, buffer); |
| 146 | } |
| 147 | |
| 148 | //////////////////////////////////////////////////////////////////////////////// |
| 149 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 150 | static const int MAX_QUADS = 1 << 12; // max possible: (1 << 14) - 1; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 151 | |
reed@google.com | 8195f67 | 2011-01-12 18:14:28 +0000 | [diff] [blame] | 152 | GR_STATIC_ASSERT(4 * MAX_QUADS <= 65535); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 153 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 154 | static inline void fill_indices(uint16_t* indices, int quadCount) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 155 | for (int i = 0; i < quadCount; ++i) { |
| 156 | indices[6 * i + 0] = 4 * i + 0; |
| 157 | indices[6 * i + 1] = 4 * i + 1; |
| 158 | indices[6 * i + 2] = 4 * i + 2; |
| 159 | indices[6 * i + 3] = 4 * i + 0; |
| 160 | indices[6 * i + 4] = 4 * i + 2; |
| 161 | indices[6 * i + 5] = 4 * i + 3; |
| 162 | } |
| 163 | } |
| 164 | |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 165 | const GrIndexBuffer* GrGpu::getQuadIndexBuffer() const { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 166 | if (NULL == fQuadIndexBuffer) { |
| 167 | static const int SIZE = sizeof(uint16_t) * 6 * MAX_QUADS; |
| 168 | GrGpu* me = const_cast<GrGpu*>(this); |
| 169 | fQuadIndexBuffer = me->createIndexBuffer(SIZE, false); |
| 170 | if (NULL != fQuadIndexBuffer) { |
| 171 | uint16_t* indices = (uint16_t*)fQuadIndexBuffer->lock(); |
| 172 | if (NULL != indices) { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 173 | fill_indices(indices, MAX_QUADS); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 174 | fQuadIndexBuffer->unlock(); |
| 175 | } else { |
| 176 | indices = (uint16_t*)GrMalloc(SIZE); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 177 | fill_indices(indices, MAX_QUADS); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 178 | if (!fQuadIndexBuffer->updateData(indices, SIZE)) { |
| 179 | fQuadIndexBuffer->unref(); |
| 180 | fQuadIndexBuffer = NULL; |
bsalomon@google.com | 6f7fbc9 | 2011-02-01 19:12:40 +0000 | [diff] [blame] | 181 | GrCrash("Can't get indices into buffer!"); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 182 | } |
| 183 | GrFree(indices); |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | return fQuadIndexBuffer; |
| 189 | } |
| 190 | |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 191 | const GrVertexBuffer* GrGpu::getUnitSquareVertexBuffer() const { |
bsalomon@google.com | 6f7fbc9 | 2011-02-01 19:12:40 +0000 | [diff] [blame] | 192 | if (NULL == fUnitSquareVertexBuffer) { |
| 193 | |
| 194 | static const GrPoint DATA[] = { |
| 195 | GrPoint(0, 0), |
| 196 | GrPoint(GR_Scalar1,0), |
| 197 | GrPoint(GR_Scalar1,GR_Scalar1), |
| 198 | GrPoint(0, GR_Scalar1) |
| 199 | }; |
| 200 | static const size_t SIZE = sizeof(DATA); |
| 201 | |
| 202 | GrGpu* me = const_cast<GrGpu*>(this); |
| 203 | fUnitSquareVertexBuffer = me->createVertexBuffer(SIZE, false); |
| 204 | if (NULL != fUnitSquareVertexBuffer) { |
| 205 | if (!fUnitSquareVertexBuffer->updateData(DATA, SIZE)) { |
| 206 | fUnitSquareVertexBuffer->unref(); |
| 207 | fUnitSquareVertexBuffer = NULL; |
| 208 | GrCrash("Can't get vertices into buffer!"); |
| 209 | } |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | return fUnitSquareVertexBuffer; |
| 214 | } |
| 215 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 216 | //////////////////////////////////////////////////////////////////////////////// |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 217 | |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 218 | void GrGpu::clipWillBeSet(const GrClip& newClip) { |
| 219 | if (newClip != fClip) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 220 | fClipState.fClipIsDirty = true; |
| 221 | } |
| 222 | } |
| 223 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 224 | //////////////////////////////////////////////////////////////////////////////// |
| 225 | |
| 226 | // stencil settings to use when clip is in stencil |
| 227 | const GrStencilSettings GrGpu::gClipStencilSettings = { |
| 228 | kKeep_StencilOp, kKeep_StencilOp, |
| 229 | kKeep_StencilOp, kKeep_StencilOp, |
| 230 | kAlwaysIfInClip_StencilFunc, kAlwaysIfInClip_StencilFunc, |
| 231 | 0, 0, |
| 232 | 0, 0, |
| 233 | 0, 0 |
| 234 | }; |
| 235 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame^] | 236 | // mapping of clip-respecting stencil funcs to normal stencil funcs |
| 237 | // mapping depends on whether stencil-clipping is in effect. |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 238 | static const GrStencilFunc gGrClipToNormalStencilFunc[2][kClipStencilFuncCount] = { |
| 239 | {// Stencil-Clipping is DISABLED, effectively always inside the clip |
| 240 | // In the Clip Funcs |
| 241 | kAlways_StencilFunc, // kAlwaysIfInClip_StencilFunc |
| 242 | kEqual_StencilFunc, // kEqualIfInClip_StencilFunc |
| 243 | kLess_StencilFunc, // kLessIfInClip_StencilFunc |
| 244 | kLEqual_StencilFunc, // kLEqualIfInClip_StencilFunc |
| 245 | // Special in the clip func that forces user's ref to be 0. |
| 246 | kNotEqual_StencilFunc, // kNonZeroIfInClip_StencilFunc |
| 247 | // make ref 0 and do normal nequal. |
| 248 | }, |
| 249 | {// Stencil-Clipping is ENABLED |
| 250 | // In the Clip Funcs |
| 251 | kEqual_StencilFunc, // kAlwaysIfInClip_StencilFunc |
| 252 | // eq stencil clip bit, mask |
| 253 | // out user bits. |
| 254 | |
| 255 | kEqual_StencilFunc, // kEqualIfInClip_StencilFunc |
| 256 | // add stencil bit to mask and ref |
| 257 | |
| 258 | kLess_StencilFunc, // kLessIfInClip_StencilFunc |
| 259 | kLEqual_StencilFunc, // kLEqualIfInClip_StencilFunc |
| 260 | // for both of these we can add |
| 261 | // the clip bit to the mask and |
| 262 | // ref and compare as normal |
| 263 | // Special in the clip func that forces user's ref to be 0. |
| 264 | kLess_StencilFunc, // kNonZeroIfInClip_StencilFunc |
| 265 | // make ref have only the clip bit set |
| 266 | // and make comparison be less |
| 267 | // 10..0 < 1..user_bits.. |
| 268 | } |
| 269 | }; |
| 270 | |
| 271 | GrStencilFunc GrGpu::ConvertStencilFunc(bool stencilInClip, GrStencilFunc func) { |
| 272 | GrAssert(func >= 0); |
| 273 | if (func >= kBasicStencilFuncCount) { |
| 274 | GrAssert(func < kStencilFuncCount); |
| 275 | func = gGrClipToNormalStencilFunc[stencilInClip ? 1 : 0][func - kBasicStencilFuncCount]; |
| 276 | GrAssert(func >= 0 && func < kBasicStencilFuncCount); |
| 277 | } |
| 278 | return func; |
| 279 | } |
| 280 | |
| 281 | void GrGpu::ConvertStencilFuncAndMask(GrStencilFunc func, |
| 282 | bool clipInStencil, |
| 283 | unsigned int clipBit, |
| 284 | unsigned int userBits, |
| 285 | unsigned int* ref, |
| 286 | unsigned int* mask) { |
| 287 | if (func < kBasicStencilFuncCount) { |
| 288 | *mask &= userBits; |
| 289 | *ref &= userBits; |
| 290 | } else { |
| 291 | if (clipInStencil) { |
| 292 | switch (func) { |
| 293 | case kAlwaysIfInClip_StencilFunc: |
| 294 | *mask = clipBit; |
| 295 | *ref = clipBit; |
| 296 | break; |
| 297 | case kEqualIfInClip_StencilFunc: |
| 298 | case kLessIfInClip_StencilFunc: |
| 299 | case kLEqualIfInClip_StencilFunc: |
| 300 | *mask = (*mask & userBits) | clipBit; |
| 301 | *ref = (*ref & userBits) | clipBit; |
| 302 | break; |
| 303 | case kNonZeroIfInClip_StencilFunc: |
| 304 | *mask = (*mask & userBits) | clipBit; |
| 305 | *ref = clipBit; |
| 306 | break; |
| 307 | default: |
| 308 | GrCrash("Unknown stencil func"); |
| 309 | } |
| 310 | } else { |
| 311 | *mask &= userBits; |
| 312 | *ref &= userBits; |
| 313 | } |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | //////////////////////////////////////////////////////////////////////////////// |
| 318 | |
| 319 | #define VISUALIZE_COMPLEX_CLIP 0 |
| 320 | |
| 321 | #if VISUALIZE_COMPLEX_CLIP |
| 322 | #include "GrRandom.h" |
| 323 | GrRandom gRandom; |
| 324 | #define SET_RANDOM_COLOR this->setColor(0xff000000 | gRandom.nextU()); |
| 325 | #else |
| 326 | #define SET_RANDOM_COLOR |
| 327 | #endif |
| 328 | |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 329 | bool GrGpu::setupClipAndFlushState(GrPrimitiveType type) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 330 | const GrIRect* r = NULL; |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 331 | GrIRect clipRect; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 332 | |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 333 | // we check this early because we need a valid |
| 334 | // render target to setup stencil clipping |
| 335 | // before even going into flushGraphicsState |
| 336 | if (NULL == fCurrDrawState.fRenderTarget) { |
| 337 | GrAssert(!"No render target bound."); |
| 338 | return false; |
| 339 | } |
| 340 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 341 | if (fCurrDrawState.fFlagBits & kClip_StateBit) { |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 342 | GrRenderTarget& rt = *fCurrDrawState.fRenderTarget; |
| 343 | |
| 344 | GrRect bounds; |
| 345 | GrRect rtRect; |
| 346 | rtRect.setLTRB(0, 0, |
| 347 | GrIntToScalar(rt.width()), GrIntToScalar(rt.height())); |
bsalomon@google.com | 0b50b2e | 2011-03-08 21:07:21 +0000 | [diff] [blame] | 348 | if (fClip.hasConservativeBounds()) { |
| 349 | bounds = fClip.getConservativeBounds(); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 350 | bounds.intersectWith(rtRect); |
| 351 | } else { |
| 352 | bounds = rtRect; |
| 353 | } |
| 354 | |
| 355 | bounds.roundOut(&clipRect); |
| 356 | if (clipRect.isEmpty()) { |
| 357 | clipRect.setLTRB(0,0,0,0); |
| 358 | } |
| 359 | r = &clipRect; |
| 360 | |
| 361 | fClipState.fClipInStencil = !fClip.isRect() && |
| 362 | !fClip.isEmpty() && |
| 363 | !bounds.isEmpty(); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 364 | |
| 365 | if (fClipState.fClipInStencil && |
| 366 | (fClipState.fClipIsDirty || |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 367 | fClip != rt.fLastStencilClip)) { |
| 368 | |
| 369 | rt.fLastStencilClip = fClip; |
| 370 | // we set the current clip to the bounds so that our recursive |
| 371 | // draws are scissored to them. We use the copy of the complex clip |
| 372 | // in the rt to render |
| 373 | const GrClip& clip = rt.fLastStencilClip; |
| 374 | fClip.setFromRect(bounds); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 375 | |
| 376 | AutoStateRestore asr(this); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 377 | AutoInternalDrawGeomRestore aidgr(this); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 378 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 379 | this->setViewMatrix(GrMatrix::I()); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 380 | this->eraseStencilClip(clipRect); |
| 381 | this->flushScissor(NULL); |
| 382 | #if !VISUALIZE_COMPLEX_CLIP |
| 383 | this->enableState(kNoColorWrites_StateBit); |
| 384 | #else |
| 385 | this->disableState(kNoColorWrites_StateBit); |
| 386 | #endif |
| 387 | int count = clip.getElementCount(); |
| 388 | int clipBit = rt.stencilBits(); |
| 389 | clipBit = (1 << (clipBit-1)); |
| 390 | |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 391 | // often we'll see the first two elements of the clip are |
| 392 | // the full rt size and another element intersected with it. |
| 393 | // We can skip the first full-size rect and save a big rect draw. |
| 394 | int firstElement = 0; |
bsalomon@google.com | 0b50b2e | 2011-03-08 21:07:21 +0000 | [diff] [blame] | 395 | if (clip.getElementCount() > 1 && |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 396 | kRect_ClipType == clip.getElementType(0) && |
| 397 | kIntersect_SetOp == clip.getOp(1)&& |
| 398 | clip.getRect(0).contains(bounds)) { |
| 399 | firstElement = 1; |
| 400 | } |
bsalomon@google.com | 0b50b2e | 2011-03-08 21:07:21 +0000 | [diff] [blame] | 401 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 402 | // walk through each clip element and perform its set op |
| 403 | // with the existing clip. |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 404 | for (int c = firstElement; c < count; ++c) { |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 405 | GrPathFill fill; |
| 406 | // enabled at bottom of loop |
| 407 | this->disableState(kModifyStencilClip_StateBit); |
| 408 | |
| 409 | bool canDrawDirectToClip; |
| 410 | if (kRect_ClipType == clip.getElementType(c)) { |
| 411 | canDrawDirectToClip = true; |
| 412 | fill = kEvenOdd_PathFill; |
| 413 | } else { |
| 414 | fill = clip.getPathFill(c); |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 415 | GrPathRenderer* pr = this->getPathRenderer(); |
| 416 | canDrawDirectToClip = pr->requiresStencilPass(this, clip.getPath(c), fill); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 417 | } |
| 418 | |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 419 | GrSetOp op = firstElement == c ? kReplace_SetOp : clip.getOp(c); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 420 | int passes; |
| 421 | GrStencilSettings stencilSettings[GrStencilSettings::kMaxStencilClipPasses]; |
| 422 | |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 423 | canDrawDirectToClip = GrStencilSettings::GetClipPasses(op, canDrawDirectToClip, |
| 424 | clipBit, IsFillInverted(fill), |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 425 | &passes, stencilSettings); |
| 426 | |
| 427 | // draw the element to the client stencil bits if necessary |
| 428 | if (!canDrawDirectToClip) { |
| 429 | if (kRect_ClipType == clip.getElementType(c)) { |
| 430 | static const GrStencilSettings gDrawToStencil = { |
| 431 | kIncClamp_StencilOp, kIncClamp_StencilOp, |
| 432 | kIncClamp_StencilOp, kIncClamp_StencilOp, |
| 433 | kAlways_StencilFunc, kAlways_StencilFunc, |
| 434 | 0xffffffff, 0xffffffff, |
| 435 | 0x00000000, 0x00000000, |
| 436 | 0xffffffff, 0xffffffff, |
| 437 | }; |
| 438 | this->setStencil(gDrawToStencil); |
| 439 | SET_RANDOM_COLOR |
| 440 | this->drawSimpleRect(clip.getRect(c), NULL, 0); |
| 441 | } else { |
| 442 | SET_RANDOM_COLOR |
bsalomon@google.com | 0b50b2e | 2011-03-08 21:07:21 +0000 | [diff] [blame] | 443 | getPathRenderer()->drawPathToStencil(this, clip.getPath(c), |
| 444 | NonInvertedFill(fill), |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 445 | NULL); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 446 | } |
| 447 | } |
| 448 | |
| 449 | // now we modify the clip bit by rendering either the clip |
| 450 | // element directly or a bounding rect of the entire clip. |
| 451 | this->enableState(kModifyStencilClip_StateBit); |
| 452 | for (int p = 0; p < passes; ++p) { |
| 453 | this->setStencil(stencilSettings[p]); |
| 454 | if (canDrawDirectToClip) { |
| 455 | if (kRect_ClipType == clip.getElementType(c)) { |
| 456 | SET_RANDOM_COLOR |
| 457 | this->drawSimpleRect(clip.getRect(c), NULL, 0); |
| 458 | } else { |
| 459 | SET_RANDOM_COLOR |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 460 | getPathRenderer()->drawPath(this, 0, |
bsalomon@google.com | 0b50b2e | 2011-03-08 21:07:21 +0000 | [diff] [blame] | 461 | clip.getPath(c), |
bsalomon@google.com | 5aaa69e | 2011-03-04 20:29:08 +0000 | [diff] [blame] | 462 | fill, NULL); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 463 | } |
| 464 | } else { |
| 465 | SET_RANDOM_COLOR |
| 466 | this->drawSimpleRect(bounds, 0, NULL); |
| 467 | } |
| 468 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 469 | } |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 470 | fClip = clip; |
| 471 | // recusive draws would have disabled this. |
| 472 | fClipState.fClipInStencil = true; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 473 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 474 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 475 | fClipState.fClipIsDirty = false; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 476 | } |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 477 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 478 | // Must flush the scissor after graphics state |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 479 | if (!this->flushGraphicsState(type)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 480 | return false; |
| 481 | } |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 482 | this->flushScissor(r); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 483 | return true; |
| 484 | } |
| 485 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 486 | //////////////////////////////////////////////////////////////////////////////// |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 487 | |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 488 | void GrGpu::drawIndexed(GrPrimitiveType type, |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 489 | int startVertex, |
| 490 | int startIndex, |
| 491 | int vertexCount, |
| 492 | int indexCount) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 493 | GrAssert(kReserved_GeometrySrcType != fGeometrySrc.fVertexSrc || |
| 494 | fReservedGeometry.fLocked); |
| 495 | GrAssert(kReserved_GeometrySrcType != fGeometrySrc.fIndexSrc || |
| 496 | fReservedGeometry.fLocked); |
| 497 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame^] | 498 | this->handleDirtyContext(); |
| 499 | |
| 500 | if (!this->setupClipAndFlushState(type)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 501 | return; |
| 502 | } |
| 503 | |
| 504 | #if GR_COLLECT_STATS |
| 505 | fStats.fVertexCnt += vertexCount; |
| 506 | fStats.fIndexCnt += indexCount; |
| 507 | fStats.fDrawCnt += 1; |
| 508 | #endif |
| 509 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 510 | int sVertex = startVertex; |
| 511 | int sIndex = startIndex; |
| 512 | setupGeometry(&sVertex, &sIndex, vertexCount, indexCount); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 513 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 514 | drawIndexedHelper(type, sVertex, sIndex, |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 515 | vertexCount, indexCount); |
| 516 | } |
| 517 | |
bsalomon@google.com | ffca400 | 2011-02-22 20:34:01 +0000 | [diff] [blame] | 518 | void GrGpu::drawNonIndexed(GrPrimitiveType type, |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 519 | int startVertex, |
| 520 | int vertexCount) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 521 | GrAssert(kReserved_GeometrySrcType != fGeometrySrc.fVertexSrc || |
| 522 | fReservedGeometry.fLocked); |
| 523 | |
bsalomon@google.com | a7f84e1 | 2011-03-10 14:13:19 +0000 | [diff] [blame^] | 524 | this->handleDirtyContext(); |
| 525 | |
| 526 | if (!this->setupClipAndFlushState(type)) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 527 | return; |
| 528 | } |
| 529 | #if GR_COLLECT_STATS |
| 530 | fStats.fVertexCnt += vertexCount; |
| 531 | fStats.fDrawCnt += 1; |
| 532 | #endif |
| 533 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 534 | int sVertex = startVertex; |
| 535 | setupGeometry(&sVertex, NULL, vertexCount, 0); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 536 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 537 | drawNonIndexedHelper(type, sVertex, vertexCount); |
| 538 | } |
| 539 | |
| 540 | void GrGpu::finalizeReservedVertices() { |
| 541 | GrAssert(NULL != fVertexPool); |
| 542 | fVertexPool->unlock(); |
| 543 | } |
| 544 | |
| 545 | void GrGpu::finalizeReservedIndices() { |
| 546 | GrAssert(NULL != fIndexPool); |
| 547 | fIndexPool->unlock(); |
| 548 | } |
| 549 | |
| 550 | void GrGpu::prepareVertexPool() { |
| 551 | if (NULL == fVertexPool) { |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 552 | fVertexPool = new GrVertexBufferAllocPool(this, true, |
| 553 | VERTEX_POOL_VB_SIZE, |
bsalomon@google.com | 7a5af8b | 2011-02-18 18:40:42 +0000 | [diff] [blame] | 554 | VERTEX_POOL_VB_COUNT); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 555 | } else if (!fVertexPoolInUse) { |
| 556 | // the client doesn't have valid data in the pool |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 557 | fVertexPool->reset(); |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | void GrGpu::prepareIndexPool() { |
| 562 | if (NULL == fVertexPool) { |
| 563 | fIndexPool = new GrIndexBufferAllocPool(this, true, 0, 1); |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 564 | } else if (!fIndexPoolInUse) { |
| 565 | // the client doesn't have valid data in the pool |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 566 | fIndexPool->reset(); |
| 567 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 568 | } |
| 569 | |
| 570 | bool GrGpu::acquireGeometryHelper(GrVertexLayout vertexLayout, |
| 571 | void** vertices, |
| 572 | void** indices) { |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 573 | GrAssert(!fReservedGeometry.fLocked); |
| 574 | size_t reservedVertexSpace = 0; |
| 575 | |
| 576 | if (fReservedGeometry.fVertexCount) { |
| 577 | GrAssert(NULL != vertices); |
| 578 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 579 | this->prepareVertexPool(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 580 | |
| 581 | *vertices = fVertexPool->makeSpace(vertexLayout, |
| 582 | fReservedGeometry.fVertexCount, |
| 583 | &fCurrPoolVertexBuffer, |
| 584 | &fCurrPoolStartVertex); |
| 585 | if (NULL == *vertices) { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 586 | return false; |
| 587 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 588 | reservedVertexSpace = VertexSize(vertexLayout) * |
| 589 | fReservedGeometry.fVertexCount; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 590 | } |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 591 | if (fReservedGeometry.fIndexCount) { |
| 592 | GrAssert(NULL != indices); |
| 593 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 594 | this->prepareIndexPool(); |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 595 | |
| 596 | *indices = fIndexPool->makeSpace(fReservedGeometry.fIndexCount, |
| 597 | &fCurrPoolIndexBuffer, |
| 598 | &fCurrPoolStartIndex); |
| 599 | if (NULL == *indices) { |
| 600 | fVertexPool->putBack(reservedVertexSpace); |
| 601 | fCurrPoolVertexBuffer = NULL; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 602 | return false; |
| 603 | } |
| 604 | } |
| 605 | return true; |
| 606 | } |
| 607 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 608 | void GrGpu::releaseGeometryHelper() {} |
| 609 | |
| 610 | void GrGpu::setVertexSourceToArrayHelper(const void* vertexArray, int vertexCount) { |
| 611 | GrAssert(!fReservedGeometry.fLocked || !fReservedGeometry.fVertexCount); |
| 612 | prepareVertexPool(); |
| 613 | #if GR_DEBUG |
| 614 | bool success = |
| 615 | #endif |
| 616 | fVertexPool->appendVertices(fGeometrySrc.fVertexLayout, |
| 617 | vertexCount, |
| 618 | vertexArray, |
| 619 | &fCurrPoolVertexBuffer, |
| 620 | &fCurrPoolStartVertex); |
| 621 | GR_DEBUGASSERT(success); |
| 622 | } |
| 623 | |
| 624 | void GrGpu::setIndexSourceToArrayHelper(const void* indexArray, int indexCount) { |
| 625 | GrAssert(!fReservedGeometry.fLocked || !fReservedGeometry.fIndexCount); |
| 626 | prepareIndexPool(); |
| 627 | #if GR_DEBUG |
| 628 | bool success = |
| 629 | #endif |
| 630 | fIndexPool->appendIndices(indexCount, |
| 631 | indexArray, |
| 632 | &fCurrPoolIndexBuffer, |
| 633 | &fCurrPoolStartIndex); |
| 634 | GR_DEBUGASSERT(success); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 635 | } |
| 636 | |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 637 | //////////////////////////////////////////////////////////////////////////////// |
| 638 | |
| 639 | GrPathRenderer* GrGpu::getPathRenderer() { |
| 640 | if (NULL == fPathRenderer) { |
| 641 | fPathRenderer = new GrDefaultPathRenderer(this->supportsTwoSidedStencil(), |
| 642 | this->supportsStencilWrapOps()); |
| 643 | } |
| 644 | return fPathRenderer; |
| 645 | } |
| 646 | |
| 647 | //////////////////////////////////////////////////////////////////////////////// |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 648 | |
| 649 | const GrGpu::Stats& GrGpu::getStats() const { |
| 650 | return fStats; |
| 651 | } |
| 652 | |
| 653 | void GrGpu::resetStats() { |
| 654 | memset(&fStats, 0, sizeof(fStats)); |
| 655 | } |
| 656 | |
| 657 | void GrGpu::printStats() const { |
| 658 | if (GR_COLLECT_STATS) { |
| 659 | GrPrintf( |
| 660 | "-v-------------------------GPU STATS----------------------------v-\n" |
| 661 | "Stats collection is: %s\n" |
| 662 | "Draws: %04d, Verts: %04d, Indices: %04d\n" |
| 663 | "ProgChanges: %04d, TexChanges: %04d, RTChanges: %04d\n" |
| 664 | "TexCreates: %04d, RTCreates:%04d\n" |
| 665 | "-^--------------------------------------------------------------^-\n", |
| 666 | (GR_COLLECT_STATS ? "ON" : "OFF"), |
| 667 | fStats.fDrawCnt, fStats.fVertexCnt, fStats.fIndexCnt, |
| 668 | fStats.fProgChngCnt, fStats.fTextureChngCnt, fStats.fRenderTargetChngCnt, |
| 669 | fStats.fTextureCreateCnt, fStats.fRenderTargetCreateCnt); |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | //////////////////////////////////////////////////////////////////////////////// |
| 674 | |
| 675 | GrTexture::~GrTexture() { |
| 676 | // use this to set a break-point if needed |
| 677 | // Gr_clz(3); |
| 678 | } |
| 679 | |
| 680 | const GrSamplerState GrSamplerState::gClampNoFilter( |
| 681 | GrSamplerState::kClamp_WrapMode, |
| 682 | GrSamplerState::kClamp_WrapMode, |
| 683 | GrSamplerState::kNormal_SampleMode, |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 684 | GrMatrix::I(), |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 685 | false); |
| 686 | |
| 687 | |
| 688 | |
| 689 | |