Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1 | // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | #include "Device.hpp" |
| 16 | |
| 17 | #include "common/Image.hpp" |
| 18 | #include "Texture.h" |
| 19 | |
| 20 | #include "Renderer/Renderer.hpp" |
| 21 | #include "Renderer/Clipper.hpp" |
| 22 | #include "Shader/PixelShader.hpp" |
| 23 | #include "Shader/VertexShader.hpp" |
| 24 | #include "Main/Config.hpp" |
| 25 | #include "Main/FrameBuffer.hpp" |
| 26 | #include "Common/Math.hpp" |
| 27 | #include "Common/Configurator.hpp" |
Alexis Hetu | 81519cf | 2016-09-08 13:59:50 -0400 | [diff] [blame] | 28 | #include "Common/Memory.hpp" |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 29 | #include "Common/Timer.hpp" |
| 30 | #include "../common/debug.h" |
| 31 | |
| 32 | namespace es1 |
| 33 | { |
| 34 | using namespace sw; |
| 35 | |
| 36 | Device::Device(Context *context) : Renderer(context, OpenGL, true), context(context) |
| 37 | { |
| 38 | renderTarget = nullptr; |
| 39 | depthBuffer = nullptr; |
| 40 | stencilBuffer = nullptr; |
| 41 | |
| 42 | setDepthBufferEnable(true); |
| 43 | setFillMode(FILL_SOLID); |
| 44 | setShadingMode(SHADING_GOURAUD); |
| 45 | setDepthWriteEnable(true); |
| 46 | setAlphaTestEnable(false); |
| 47 | setSourceBlendFactor(BLEND_ONE); |
| 48 | setDestBlendFactor(BLEND_ZERO); |
Nicolas Capens | dd4c863 | 2018-07-31 15:33:28 -0400 | [diff] [blame] | 49 | setCullMode(CULL_COUNTERCLOCKWISE, true); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 50 | setDepthCompare(DEPTH_LESSEQUAL); |
| 51 | setAlphaReference(0.0f); |
| 52 | setAlphaCompare(ALPHA_ALWAYS); |
| 53 | setAlphaBlendEnable(false); |
| 54 | setFogEnable(false); |
| 55 | setSpecularEnable(true); |
| 56 | setLocalViewer(false); |
| 57 | setFogColor(0); |
| 58 | setPixelFogMode(FOG_NONE); |
| 59 | setFogStart(0.0f); |
| 60 | setFogEnd(1.0f); |
| 61 | setFogDensity(1.0f); |
| 62 | setRangeFogEnable(false); |
| 63 | setStencilEnable(false); |
| 64 | setStencilFailOperation(OPERATION_KEEP); |
| 65 | setStencilZFailOperation(OPERATION_KEEP); |
| 66 | setStencilPassOperation(OPERATION_KEEP); |
| 67 | setStencilCompare(STENCIL_ALWAYS); |
| 68 | setStencilReference(0); |
| 69 | setStencilMask(0xFFFFFFFF); |
| 70 | setStencilWriteMask(0xFFFFFFFF); |
| 71 | setVertexFogMode(FOG_NONE); |
| 72 | setClipFlags(0); |
| 73 | setPointSize(1.0f); |
| 74 | setPointSizeMin(0.125f); |
| 75 | setPointSizeMax(8192.0f); |
| 76 | setColorWriteMask(0, 0x0000000F); |
| 77 | setBlendOperation(BLENDOP_ADD); |
| 78 | scissorEnable = false; |
| 79 | setSlopeDepthBias(0.0f); |
| 80 | setTwoSidedStencil(false); |
| 81 | setStencilFailOperationCCW(OPERATION_KEEP); |
| 82 | setStencilZFailOperationCCW(OPERATION_KEEP); |
| 83 | setStencilPassOperationCCW(OPERATION_KEEP); |
| 84 | setStencilCompareCCW(STENCIL_ALWAYS); |
| 85 | setColorWriteMask(1, 0x0000000F); |
| 86 | setColorWriteMask(2, 0x0000000F); |
| 87 | setColorWriteMask(3, 0x0000000F); |
| 88 | setBlendConstant(0xFFFFFFFF); |
| 89 | setWriteSRGB(false); |
| 90 | setDepthBias(0.0f); |
| 91 | setSeparateAlphaBlendEnable(false); |
| 92 | setSourceBlendFactorAlpha(BLEND_ONE); |
| 93 | setDestBlendFactorAlpha(BLEND_ZERO); |
| 94 | setBlendOperationAlpha(BLENDOP_ADD); |
| 95 | setPointSpriteEnable(true); |
| 96 | |
| 97 | for(int i = 0; i < 16; i++) |
| 98 | { |
| 99 | setAddressingModeU(sw::SAMPLER_PIXEL, i, ADDRESSING_WRAP); |
| 100 | setAddressingModeV(sw::SAMPLER_PIXEL, i, ADDRESSING_WRAP); |
| 101 | setAddressingModeW(sw::SAMPLER_PIXEL, i, ADDRESSING_WRAP); |
| 102 | setBorderColor(sw::SAMPLER_PIXEL, i, 0x00000000); |
| 103 | setTextureFilter(sw::SAMPLER_PIXEL, i, FILTER_POINT); |
| 104 | setMipmapFilter(sw::SAMPLER_PIXEL, i, MIPMAP_NONE); |
| 105 | setMipmapLOD(sw::SAMPLER_PIXEL, i, 0.0f); |
| 106 | } |
| 107 | |
| 108 | for(int i = 0; i < 4; i++) |
| 109 | { |
| 110 | setAddressingModeU(sw::SAMPLER_VERTEX, i, ADDRESSING_WRAP); |
| 111 | setAddressingModeV(sw::SAMPLER_VERTEX, i, ADDRESSING_WRAP); |
| 112 | setAddressingModeW(sw::SAMPLER_VERTEX, i, ADDRESSING_WRAP); |
| 113 | setBorderColor(sw::SAMPLER_VERTEX, i, 0x00000000); |
| 114 | setTextureFilter(sw::SAMPLER_VERTEX, i, FILTER_POINT); |
| 115 | setMipmapFilter(sw::SAMPLER_VERTEX, i, MIPMAP_NONE); |
| 116 | setMipmapLOD(sw::SAMPLER_VERTEX, i, 0.0f); |
| 117 | } |
| 118 | |
| 119 | for(int i = 0; i < 6; i++) |
| 120 | { |
| 121 | float plane[4] = {0, 0, 0, 0}; |
| 122 | |
| 123 | setClipPlane(i, plane); |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | Device::~Device() |
| 128 | { |
| 129 | if(renderTarget) |
| 130 | { |
| 131 | renderTarget->release(); |
| 132 | renderTarget = nullptr; |
| 133 | } |
| 134 | |
| 135 | if(depthBuffer) |
| 136 | { |
| 137 | depthBuffer->release(); |
| 138 | depthBuffer = nullptr; |
| 139 | } |
| 140 | |
| 141 | if(stencilBuffer) |
| 142 | { |
| 143 | stencilBuffer->release(); |
| 144 | stencilBuffer = nullptr; |
| 145 | } |
| 146 | |
| 147 | delete context; |
| 148 | } |
| 149 | |
Alexis Hetu | 81519cf | 2016-09-08 13:59:50 -0400 | [diff] [blame] | 150 | // This object has to be mem aligned |
Nicolas Capens | b7d5924 | 2017-01-03 14:02:05 -0500 | [diff] [blame] | 151 | void* Device::operator new(size_t size) |
| 152 | { |
| 153 | ASSERT(size == sizeof(Device)); // This operator can't be called from a derived class |
| 154 | return sw::allocate(sizeof(Device), 16); |
| 155 | } |
| 156 | |
| 157 | void Device::operator delete(void * mem) |
| 158 | { |
| 159 | sw::deallocate(mem); |
Alexis Hetu | 81519cf | 2016-09-08 13:59:50 -0400 | [diff] [blame] | 160 | } |
| 161 | |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 162 | void Device::clearColor(float red, float green, float blue, float alpha, unsigned int rgbaMask) |
| 163 | { |
| 164 | if(!renderTarget || !rgbaMask) |
| 165 | { |
| 166 | return; |
| 167 | } |
| 168 | |
| 169 | float rgba[4]; |
| 170 | rgba[0] = red; |
| 171 | rgba[1] = green; |
| 172 | rgba[2] = blue; |
| 173 | rgba[3] = alpha; |
| 174 | |
Nicolas Capens | 426cb5e | 2017-07-20 14:14:09 -0400 | [diff] [blame] | 175 | sw::Rect clearRect = renderTarget->getRect(); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 176 | |
| 177 | if(scissorEnable) |
| 178 | { |
| 179 | clearRect.clip(scissorRect.x0, scissorRect.y0, scissorRect.x1, scissorRect.y1); |
| 180 | } |
| 181 | |
| 182 | clear(rgba, FORMAT_A32B32G32R32F, renderTarget, clearRect, rgbaMask); |
| 183 | } |
| 184 | |
| 185 | void Device::clearDepth(float z) |
| 186 | { |
| 187 | if(!depthBuffer) |
| 188 | { |
| 189 | return; |
| 190 | } |
| 191 | |
| 192 | z = clamp01(z); |
Nicolas Capens | 426cb5e | 2017-07-20 14:14:09 -0400 | [diff] [blame] | 193 | sw::Rect clearRect = depthBuffer->getRect(); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 194 | |
| 195 | if(scissorEnable) |
| 196 | { |
| 197 | clearRect.clip(scissorRect.x0, scissorRect.y0, scissorRect.x1, scissorRect.y1); |
| 198 | } |
| 199 | |
| 200 | depthBuffer->clearDepth(z, clearRect.x0, clearRect.y0, clearRect.width(), clearRect.height()); |
| 201 | } |
| 202 | |
| 203 | void Device::clearStencil(unsigned int stencil, unsigned int mask) |
| 204 | { |
| 205 | if(!stencilBuffer) |
| 206 | { |
| 207 | return; |
| 208 | } |
| 209 | |
Nicolas Capens | 426cb5e | 2017-07-20 14:14:09 -0400 | [diff] [blame] | 210 | sw::Rect clearRect = stencilBuffer->getRect(); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 211 | |
| 212 | if(scissorEnable) |
| 213 | { |
| 214 | clearRect.clip(scissorRect.x0, scissorRect.y0, scissorRect.x1, scissorRect.y1); |
| 215 | } |
| 216 | |
| 217 | stencilBuffer->clearStencil(stencil, mask, clearRect.x0, clearRect.y0, clearRect.width(), clearRect.height()); |
| 218 | } |
| 219 | |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 220 | void Device::drawIndexedPrimitive(sw::DrawType type, unsigned int indexOffset, unsigned int primitiveCount) |
| 221 | { |
| 222 | if(!bindResources() || !primitiveCount) |
| 223 | { |
| 224 | return; |
| 225 | } |
| 226 | |
| 227 | draw(type, indexOffset, primitiveCount); |
| 228 | } |
| 229 | |
| 230 | void Device::drawPrimitive(sw::DrawType type, unsigned int primitiveCount) |
| 231 | { |
| 232 | if(!bindResources() || !primitiveCount) |
| 233 | { |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | setIndexBuffer(nullptr); |
| 238 | |
| 239 | draw(type, 0, primitiveCount); |
| 240 | } |
| 241 | |
| 242 | void Device::setScissorEnable(bool enable) |
| 243 | { |
| 244 | scissorEnable = enable; |
| 245 | } |
| 246 | |
| 247 | void Device::setRenderTarget(int index, egl::Image *renderTarget) |
| 248 | { |
| 249 | if(renderTarget) |
| 250 | { |
| 251 | renderTarget->addRef(); |
| 252 | } |
| 253 | |
| 254 | if(this->renderTarget) |
| 255 | { |
| 256 | this->renderTarget->release(); |
| 257 | } |
| 258 | |
| 259 | this->renderTarget = renderTarget; |
| 260 | |
| 261 | Renderer::setRenderTarget(index, renderTarget); |
| 262 | } |
| 263 | |
| 264 | void Device::setDepthBuffer(egl::Image *depthBuffer) |
| 265 | { |
| 266 | if(this->depthBuffer == depthBuffer) |
| 267 | { |
| 268 | return; |
| 269 | } |
| 270 | |
| 271 | if(depthBuffer) |
| 272 | { |
| 273 | depthBuffer->addRef(); |
| 274 | } |
| 275 | |
| 276 | if(this->depthBuffer) |
| 277 | { |
| 278 | this->depthBuffer->release(); |
| 279 | } |
| 280 | |
| 281 | this->depthBuffer = depthBuffer; |
| 282 | |
| 283 | Renderer::setDepthBuffer(depthBuffer); |
| 284 | } |
| 285 | |
| 286 | void Device::setStencilBuffer(egl::Image *stencilBuffer) |
| 287 | { |
| 288 | if(this->stencilBuffer == stencilBuffer) |
| 289 | { |
| 290 | return; |
| 291 | } |
| 292 | |
| 293 | if(stencilBuffer) |
| 294 | { |
| 295 | stencilBuffer->addRef(); |
| 296 | } |
| 297 | |
| 298 | if(this->stencilBuffer) |
| 299 | { |
| 300 | this->stencilBuffer->release(); |
| 301 | } |
| 302 | |
| 303 | this->stencilBuffer = stencilBuffer; |
| 304 | |
| 305 | Renderer::setStencilBuffer(stencilBuffer); |
| 306 | } |
| 307 | |
| 308 | void Device::setScissorRect(const sw::Rect &rect) |
| 309 | { |
| 310 | scissorRect = rect; |
| 311 | } |
| 312 | |
| 313 | void Device::setViewport(const Viewport &viewport) |
| 314 | { |
| 315 | this->viewport = viewport; |
| 316 | } |
| 317 | |
| 318 | bool Device::stretchRect(sw::Surface *source, const sw::SliceRect *sourceRect, sw::Surface *dest, const sw::SliceRect *destRect, bool filter) |
| 319 | { |
| 320 | if(!source || !dest || !validRectangle(sourceRect, source) || !validRectangle(destRect, dest)) |
| 321 | { |
| 322 | ERR("Invalid parameters"); |
| 323 | return false; |
| 324 | } |
| 325 | |
| 326 | int sWidth = source->getWidth(); |
| 327 | int sHeight = source->getHeight(); |
| 328 | int dWidth = dest->getWidth(); |
| 329 | int dHeight = dest->getHeight(); |
| 330 | |
| 331 | SliceRect sRect; |
| 332 | SliceRect dRect; |
| 333 | |
| 334 | if(sourceRect) |
| 335 | { |
| 336 | sRect = *sourceRect; |
| 337 | } |
| 338 | else |
| 339 | { |
| 340 | sRect.y0 = 0; |
| 341 | sRect.x0 = 0; |
| 342 | sRect.y1 = sHeight; |
| 343 | sRect.x1 = sWidth; |
| 344 | } |
| 345 | |
| 346 | if(destRect) |
| 347 | { |
| 348 | dRect = *destRect; |
| 349 | } |
| 350 | else |
| 351 | { |
| 352 | dRect.y0 = 0; |
| 353 | dRect.x0 = 0; |
| 354 | dRect.y1 = dHeight; |
| 355 | dRect.x1 = dWidth; |
| 356 | } |
| 357 | |
| 358 | bool scaling = (sRect.x1 - sRect.x0 != dRect.x1 - dRect.x0) || (sRect.y1 - sRect.y0 != dRect.y1 - dRect.y0); |
| 359 | bool equalFormats = source->getInternalFormat() == dest->getInternalFormat(); |
| 360 | bool depthStencil = egl::Image::isDepth(source->getInternalFormat()) || egl::Image::isStencil(source->getInternalFormat()); |
| 361 | bool alpha0xFF = false; |
| 362 | |
| 363 | if((source->getInternalFormat() == FORMAT_A8R8G8B8 && dest->getInternalFormat() == FORMAT_X8R8G8B8) || |
| 364 | (source->getInternalFormat() == FORMAT_X8R8G8B8 && dest->getInternalFormat() == FORMAT_A8R8G8B8)) |
| 365 | { |
| 366 | equalFormats = true; |
| 367 | alpha0xFF = true; |
| 368 | } |
| 369 | |
| 370 | if(depthStencil) // Copy entirely, internally // FIXME: Check |
| 371 | { |
| 372 | if(source->hasDepth()) |
| 373 | { |
| 374 | sw::byte *sourceBuffer = (sw::byte*)source->lockInternal(0, 0, sRect.slice, LOCK_READONLY, PUBLIC); |
| 375 | sw::byte *destBuffer = (sw::byte*)dest->lockInternal(0, 0, dRect.slice, LOCK_DISCARD, PUBLIC); |
| 376 | |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 377 | unsigned int height = source->getHeight(); |
| 378 | unsigned int pitch = source->getInternalPitchB(); |
| 379 | |
| 380 | for(unsigned int y = 0; y < height; y++) |
| 381 | { |
| 382 | memcpy(destBuffer, sourceBuffer, pitch); // FIXME: Only copy width * bytes |
| 383 | |
| 384 | sourceBuffer += pitch; |
| 385 | destBuffer += pitch; |
| 386 | } |
| 387 | |
| 388 | source->unlockInternal(); |
| 389 | dest->unlockInternal(); |
| 390 | } |
| 391 | |
| 392 | if(source->hasStencil()) |
| 393 | { |
Alexis Hetu | a52dfbd | 2016-10-05 17:03:30 -0400 | [diff] [blame] | 394 | sw::byte *sourceBuffer = (sw::byte*)source->lockStencil(0, 0, 0, PUBLIC); |
| 395 | sw::byte *destBuffer = (sw::byte*)dest->lockStencil(0, 0, 0, PUBLIC); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 396 | |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 397 | unsigned int height = source->getHeight(); |
| 398 | unsigned int pitch = source->getStencilPitchB(); |
| 399 | |
| 400 | for(unsigned int y = 0; y < height; y++) |
| 401 | { |
| 402 | memcpy(destBuffer, sourceBuffer, pitch); // FIXME: Only copy width * bytes |
| 403 | |
| 404 | sourceBuffer += pitch; |
| 405 | destBuffer += pitch; |
| 406 | } |
| 407 | |
| 408 | source->unlockStencil(); |
| 409 | dest->unlockStencil(); |
| 410 | } |
| 411 | } |
| 412 | else if(!scaling && equalFormats) |
| 413 | { |
| 414 | unsigned char *sourceBytes = (unsigned char*)source->lockInternal(sRect.x0, sRect.y0, sRect.slice, LOCK_READONLY, PUBLIC); |
| 415 | unsigned char *destBytes = (unsigned char*)dest->lockInternal(dRect.x0, dRect.y0, dRect.slice, LOCK_READWRITE, PUBLIC); |
| 416 | unsigned int sourcePitch = source->getInternalPitchB(); |
| 417 | unsigned int destPitch = dest->getInternalPitchB(); |
| 418 | |
| 419 | unsigned int width = dRect.x1 - dRect.x0; |
| 420 | unsigned int height = dRect.y1 - dRect.y0; |
| 421 | unsigned int bytes = width * egl::Image::bytes(source->getInternalFormat()); |
| 422 | |
| 423 | for(unsigned int y = 0; y < height; y++) |
| 424 | { |
| 425 | memcpy(destBytes, sourceBytes, bytes); |
| 426 | |
| 427 | if(alpha0xFF) |
| 428 | { |
| 429 | for(unsigned int x = 0; x < width; x++) |
| 430 | { |
| 431 | destBytes[4 * x + 3] = 0xFF; |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | sourceBytes += sourcePitch; |
| 436 | destBytes += destPitch; |
| 437 | } |
| 438 | |
| 439 | source->unlockInternal(); |
| 440 | dest->unlockInternal(); |
| 441 | } |
| 442 | else |
| 443 | { |
Alexis Hetu | 10c74a6 | 2017-11-29 14:00:32 -0500 | [diff] [blame] | 444 | sw::SliceRectF sRectF((float)sRect.x0, (float)sRect.y0, (float)sRect.x1, (float)sRect.y1, sRect.slice); |
| 445 | blit(source, sRectF, dest, dRect, scaling && filter); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | return true; |
| 449 | } |
| 450 | |
| 451 | bool Device::bindResources() |
| 452 | { |
| 453 | if(!bindViewport()) |
| 454 | { |
| 455 | return false; // Zero-area target region |
| 456 | } |
| 457 | |
| 458 | return true; |
| 459 | } |
| 460 | |
| 461 | bool Device::bindViewport() |
| 462 | { |
| 463 | if(viewport.width <= 0 || viewport.height <= 0) |
| 464 | { |
| 465 | return false; |
| 466 | } |
| 467 | |
| 468 | if(scissorEnable) |
| 469 | { |
| 470 | if(scissorRect.x0 >= scissorRect.x1 || scissorRect.y0 >= scissorRect.y1) |
| 471 | { |
| 472 | return false; |
| 473 | } |
| 474 | |
| 475 | sw::Rect scissor; |
| 476 | scissor.x0 = scissorRect.x0; |
| 477 | scissor.x1 = scissorRect.x1; |
| 478 | scissor.y0 = scissorRect.y0; |
| 479 | scissor.y1 = scissorRect.y1; |
| 480 | |
| 481 | setScissor(scissor); |
| 482 | } |
| 483 | else |
| 484 | { |
| 485 | sw::Rect scissor; |
| 486 | scissor.x0 = viewport.x0; |
| 487 | scissor.x1 = viewport.x0 + viewport.width; |
| 488 | scissor.y0 = viewport.y0; |
| 489 | scissor.y1 = viewport.y0 + viewport.height; |
| 490 | |
| 491 | if(renderTarget) |
| 492 | { |
| 493 | scissor.x0 = max(scissor.x0, 0); |
| 494 | scissor.x1 = min(scissor.x1, renderTarget->getWidth()); |
| 495 | scissor.y0 = max(scissor.y0, 0); |
| 496 | scissor.y1 = min(scissor.y1, renderTarget->getHeight()); |
| 497 | } |
| 498 | |
| 499 | if(depthBuffer) |
| 500 | { |
| 501 | scissor.x0 = max(scissor.x0, 0); |
| 502 | scissor.x1 = min(scissor.x1, depthBuffer->getWidth()); |
| 503 | scissor.y0 = max(scissor.y0, 0); |
| 504 | scissor.y1 = min(scissor.y1, depthBuffer->getHeight()); |
| 505 | } |
| 506 | |
| 507 | if(stencilBuffer) |
| 508 | { |
| 509 | scissor.x0 = max(scissor.x0, 0); |
| 510 | scissor.x1 = min(scissor.x1, stencilBuffer->getWidth()); |
| 511 | scissor.y0 = max(scissor.y0, 0); |
| 512 | scissor.y1 = min(scissor.y1, stencilBuffer->getHeight()); |
| 513 | } |
| 514 | |
| 515 | setScissor(scissor); |
| 516 | } |
| 517 | |
| 518 | sw::Viewport view; |
| 519 | view.x0 = (float)viewport.x0; |
| 520 | view.y0 = (float)viewport.y0; |
| 521 | view.width = (float)viewport.width; |
| 522 | view.height = (float)viewport.height; |
| 523 | view.minZ = viewport.minZ; |
| 524 | view.maxZ = viewport.maxZ; |
| 525 | |
| 526 | Renderer::setViewport(view); |
| 527 | |
| 528 | return true; |
| 529 | } |
| 530 | |
| 531 | bool Device::validRectangle(const sw::Rect *rect, sw::Surface *surface) |
| 532 | { |
| 533 | if(!rect) |
| 534 | { |
| 535 | return true; |
| 536 | } |
| 537 | |
| 538 | if(rect->x1 <= rect->x0 || rect->y1 <= rect->y0) |
| 539 | { |
| 540 | return false; |
| 541 | } |
| 542 | |
| 543 | if(rect->x0 < 0 || rect->y0 < 0) |
| 544 | { |
| 545 | return false; |
| 546 | } |
| 547 | |
| 548 | if(rect->x1 > (int)surface->getWidth() || rect->y1 > (int)surface->getHeight()) |
| 549 | { |
| 550 | return false; |
| 551 | } |
| 552 | |
| 553 | return true; |
| 554 | } |
| 555 | |
| 556 | void Device::finish() |
| 557 | { |
| 558 | synchronize(); |
| 559 | } |
| 560 | } |