57     BlitFramebufferBounds bounds;  in GetBlitFramebufferBounds()  local
65     bounds.sourceBounds = gl::Rectangle(0, 0, readSize.width, readSize.height);  in GetBlitFramebufferBounds()
66     bounds.sourceRegion = sourceArea.removeReversal();  in GetBlitFramebufferBounds()
68     bounds.destBounds = gl::Rectangle(0, 0, drawSize.width, drawSize.height);  in GetBlitFramebufferBounds()
69     bounds.destRegion = destArea.removeReversal();  in GetBlitFramebufferBounds()
71     bounds.xFlipped = sourceArea.isReversedX() != destArea.isReversedX();  in GetBlitFramebufferBounds()
72     bounds.yFlipped = sourceArea.isReversedY() != destArea.isReversedY();  in GetBlitFramebufferBounds()
74     return bounds;  in GetBlitFramebufferBounds()
875     BlitFramebufferBounds bounds = GetBlitFramebufferBounds(context, sourceArea, destArea);  in adjustSrcDstRegion()  local
877     if (bounds.destRegion.width == 0 || bounds.sourceRegion.width == 0 ||  in adjustSrcDstRegion()
878         bounds.destRegion.height == 0 || bounds.sourceRegion.height == 0)  in adjustSrcDstRegion()
882     if (!ClipRectangle(bounds.destBounds, bounds.destRegion, nullptr))  in adjustSrcDstRegion()
887     if (!bounds.destBounds.encloses(bounds.destRegion))  in adjustSrcDstRegion()
899         GLint destOriginX    = bounds.destRegion.x;  in adjustSrcDstRegion()
900         GLint destOriginY    = bounds.destRegion.y;  in adjustSrcDstRegion()
902         GLint destClippedWidth = bounds.destRegion.width;  in adjustSrcDstRegion()
903         while (destClippedWidth > 2 * bounds.destBounds.width)  in adjustSrcDstRegion()
909         GLint destClippedHeight = bounds.destRegion.height;  in adjustSrcDstRegion()
910         while (destClippedHeight > 2 * bounds.destBounds.height)  in adjustSrcDstRegion()
921         GLint left   = bounds.destRegion.x0();  in adjustSrcDstRegion()
922         GLint right  = bounds.destRegion.x1();  in adjustSrcDstRegion()
923         GLint top    = bounds.destRegion.y0();  in adjustSrcDstRegion()
924         GLint bottom = bounds.destRegion.y1();  in adjustSrcDstRegion()
927         if (left >= 0 && left < bounds.destBounds.width)  in adjustSrcDstRegion()
930             destOriginX = bounds.destRegion.x;  in adjustSrcDstRegion()
932         else if (right > 0 && right <= bounds.destBounds.width)  in adjustSrcDstRegion()
940             extraXOffset = (bounds.destRegion.width - destClippedWidth) / 2;  in adjustSrcDstRegion()
941             destOriginX  = bounds.destRegion.x + extraXOffset;  in adjustSrcDstRegion()
945         if (top >= 0 && top < bounds.destBounds.height)  in adjustSrcDstRegion()
948             destOriginY = bounds.destRegion.y;  in adjustSrcDstRegion()
950         else if (bottom > 0 && bottom <= bounds.destBounds.height)  in adjustSrcDstRegion()
958             extraYOffset = (bounds.destRegion.height - destClippedHeight) / 2;  in adjustSrcDstRegion()
959             destOriginY  = bounds.destRegion.y + extraYOffset;  in adjustSrcDstRegion()
967         CheckedNumeric<GLuint> checkedXOffset(destOriginX - bounds.destRegion.x - extraXOffset / 2);  in adjustSrcDstRegion()
968         CheckedNumeric<GLuint> checkedYOffset(destOriginY - bounds.destRegion.y - extraYOffset / 2);  in adjustSrcDstRegion()
972         if (bounds.xFlipped)  in adjustSrcDstRegion()
975                 (bounds.destRegion.x1() - (destOriginX + destClippedWidth) + extraXOffset / 2);  in adjustSrcDstRegion()
977         if (bounds.yFlipped)  in adjustSrcDstRegion()
980                 (bounds.destRegion.y1() - (destOriginY + destClippedHeight) + extraYOffset / 2);  in adjustSrcDstRegion()
991         bounds.destRegion =  in adjustSrcDstRegion()
995         bounds.sourceRegion = gl::Rectangle(bounds.sourceRegion.x + (xOffset >> destXHalvings),  in adjustSrcDstRegion()
996                                             bounds.sourceRegion.y + (yOffset >> destYHalvings),  in adjustSrcDstRegion()
997                                             bounds.sourceRegion.width >> destXHalvings,  in adjustSrcDstRegion()
998                                             bounds.sourceRegion.height >> destYHalvings);  in adjustSrcDstRegion()
1001         if (bounds.sourceRegion.width == 0)  in adjustSrcDstRegion()
1003             bounds.sourceRegion.width = 1;  in adjustSrcDstRegion()
1005         if (bounds.sourceRegion.height == 0)  in adjustSrcDstRegion()
1007             bounds.sourceRegion.height = 1;  in adjustSrcDstRegion()
1011     if (!bounds.sourceBounds.encloses(bounds.sourceRegion))  in adjustSrcDstRegion()
1023         GLint sourceOriginX    = bounds.sourceRegion.x;  in adjustSrcDstRegion()
1024         GLint sourceOriginY    = bounds.sourceRegion.y;  in adjustSrcDstRegion()
1026         GLint sourceClippedWidth = bounds.sourceRegion.width;  in adjustSrcDstRegion()
1027         while (sourceClippedWidth > 2 * bounds.sourceBounds.width)  in adjustSrcDstRegion()
1033         GLint sourceClippedHeight = bounds.sourceRegion.height;  in adjustSrcDstRegion()
1034         while (sourceClippedHeight > 2 * bounds.sourceBounds.height)  in adjustSrcDstRegion()
1045         GLint left   = bounds.sourceRegion.x0();  in adjustSrcDstRegion()
1046         GLint right  = bounds.sourceRegion.x1();  in adjustSrcDstRegion()
1047         GLint top    = bounds.sourceRegion.y0();  in adjustSrcDstRegion()
1048         GLint bottom = bounds.sourceRegion.y1();  in adjustSrcDstRegion()
1051         if (left >= 0 && left < bounds.sourceBounds.width)  in adjustSrcDstRegion()
1054             sourceOriginX = bounds.sourceRegion.x;  in adjustSrcDstRegion()
1056         else if (right > 0 && right <= bounds.sourceBounds.width)  in adjustSrcDstRegion()
1064             extraXOffset  = (bounds.sourceRegion.width - sourceClippedWidth) / 2;  in adjustSrcDstRegion()
1065             sourceOriginX = bounds.sourceRegion.x + extraXOffset;  in adjustSrcDstRegion()
1069         if (top >= 0 && top < bounds.sourceBounds.height)  in adjustSrcDstRegion()
1072             sourceOriginY = bounds.sourceRegion.y;  in adjustSrcDstRegion()
1074         else if (bottom > 0 && bottom <= bounds.sourceBounds.height)  in adjustSrcDstRegion()
1082             extraYOffset  = (bounds.sourceRegion.height - sourceClippedHeight) / 2;  in adjustSrcDstRegion()
1083             sourceOriginY = bounds.sourceRegion.y + extraYOffset;  in adjustSrcDstRegion()
1091         CheckedNumeric<GLuint> checkedXOffset(sourceOriginX - bounds.sourceRegion.x -  in adjustSrcDstRegion()
1093         CheckedNumeric<GLuint> checkedYOffset(sourceOriginY - bounds.sourceRegion.y -  in adjustSrcDstRegion()
1098         if (bounds.xFlipped)  in adjustSrcDstRegion()
1100             checkedXOffset = (bounds.sourceRegion.x1() - (sourceOriginX + sourceClippedWidth) +  in adjustSrcDstRegion()
1103         if (bounds.yFlipped)  in adjustSrcDstRegion()
1105             checkedYOffset = (bounds.sourceRegion.y1() - (sourceOriginY + sourceClippedHeight) +  in adjustSrcDstRegion()
1117         bounds.sourceRegion =  in adjustSrcDstRegion()
1121         bounds.destRegion = gl::Rectangle(bounds.destRegion.x + (xOffset >> sourceXHalvings),  in adjustSrcDstRegion()
1122                                           bounds.destRegion.y + (yOffset >> sourceYHalvings),  in adjustSrcDstRegion()
1123                                           bounds.destRegion.width >> sourceXHalvings,  in adjustSrcDstRegion()
1124                                           bounds.destRegion.height >> sourceYHalvings);  in adjustSrcDstRegion()
1128     *newSourceArea = bounds.sourceRegion.flip(sourceArea.isReversedX(), sourceArea.isReversedY());  in adjustSrcDstRegion()
1129     *newDestArea   = bounds.destRegion.flip(destArea.isReversedX(), destArea.isReversedY());  in adjustSrcDstRegion()
1140     BlitFramebufferBounds bounds = GetBlitFramebufferBounds(context, sourceArea, destArea);  in clipSrcRegion()  local
1142     if (bounds.destRegion.width == 0 || bounds.sourceRegion.width == 0 ||  in clipSrcRegion()
1143         bounds.destRegion.height == 0 || bounds.sourceRegion.height == 0)  in clipSrcRegion()
1147     if (!ClipRectangle(bounds.destBounds, bounds.destRegion, nullptr))  in clipSrcRegion()
1152     if (!bounds.sourceBounds.encloses(bounds.sourceRegion))  in clipSrcRegion()
1157         if (!ClipRectangle(bounds.sourceRegion, bounds.sourceBounds, &realSourceRegion))  in clipSrcRegion()
1161         GLuint xOffset = realSourceRegion.x - bounds.sourceRegion.x;  in clipSrcRegion()
1162         GLuint yOffset = realSourceRegion.y - bounds.sourceRegion.y;  in clipSrcRegion()
1166         if (bounds.xFlipped)  in clipSrcRegion()
1168             xOffset = bounds.sourceRegion.x1() - realSourceRegion.x1();  in clipSrcRegion()
1170         if (bounds.yFlipped)  in clipSrcRegion()
1172             yOffset = bounds.sourceRegion.y1() - realSourceRegion.y1();  in clipSrcRegion()
1176                                    bounds.destRegion.width / bounds.sourceRegion.width;  in clipSrcRegion()
1178                                     bounds.destRegion.height / bounds.sourceRegion.height;  in clipSrcRegion()
1180             static_cast<GLfloat>(xOffset) * bounds.destRegion.width / bounds.sourceRegion.width;  in clipSrcRegion()
1182             static_cast<GLfloat>(yOffset) * bounds.destRegion.height / bounds.sourceRegion.height;  in clipSrcRegion()
1185             static_cast<GLuint>(std::round(bounds.destRegion.x + destMappingXOffset));  in clipSrcRegion()
1187             static_cast<GLuint>(std::round(bounds.destRegion.y + destMappingYOffset));  in clipSrcRegion()
1190             std::round(bounds.destRegion.x + destMappingXOffset + destMappingWidth));  in clipSrcRegion()
1192             std::round(bounds.destRegion.y + destMappingYOffset + destMappingHeight));  in clipSrcRegion()
1194         bounds.destRegion =  in clipSrcRegion()
1198         bounds.sourceRegion = realSourceRegion;  in clipSrcRegion()
1202     *newSourceArea = bounds.sourceRegion.flip(sourceArea.isReversedX(), sourceArea.isReversedY());  in clipSrcRegion()
1203     *newDestArea   = bounds.destRegion.flip(destArea.isReversedX(), destArea.isReversedY());  in clipSrcRegion()