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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/ozone/platform/drm/gpu/drm_device.h" | 5 #include "ui/ozone/platform/drm/gpu/drm_device.h" |
| 6 | 6 |
| 7 #include <fcntl.h> | 7 #include <fcntl.h> |
| 8 #include <sys/mman.h> | 8 #include <sys/mman.h> |
| 9 #include <unistd.h> | 9 #include <unistd.h> |
| 10 #include <xf86drm.h> | 10 #include <xf86drm.h> |
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| 176 memset(&destroy, 0, sizeof(destroy)); | 176 memset(&destroy, 0, sizeof(destroy)); |
| 177 destroy.blob_id = id; | 177 destroy.blob_id = id; |
| 178 ret = drmIoctl(fd, DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy); | 178 ret = drmIoctl(fd, DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy); |
| 179 return ret < 0 ? -errno : ret; | 179 return ret < 0 ? -errno : ret; |
| 180 } | 180 } |
| 181 | 181 |
| 182 using ScopedDrmColorLutPtr = std::unique_ptr<DrmColorLut, base::FreeDeleter>; | 182 using ScopedDrmColorLutPtr = std::unique_ptr<DrmColorLut, base::FreeDeleter>; |
| 183 using ScopedDrmColorCtmPtr = std::unique_ptr<DrmColorCtm, base::FreeDeleter>; | 183 using ScopedDrmColorCtmPtr = std::unique_ptr<DrmColorCtm, base::FreeDeleter>; |
| 184 | 184 |
| 185 ScopedDrmColorLutPtr CreateLutBlob( | 185 ScopedDrmColorLutPtr CreateLutBlob( |
| 186 const std::vector<GammaRampRGBEntry>& source) { | 186 const std::vector<display::GammaRampRGBEntry>& source) { |
| 187 TRACE_EVENT0("drm", "CreateLutBlob"); | 187 TRACE_EVENT0("drm", "CreateLutBlob"); |
| 188 if (source.empty()) | 188 if (source.empty()) |
| 189 return nullptr; | 189 return nullptr; |
| 190 | 190 |
| 191 ScopedDrmColorLutPtr lut( | 191 ScopedDrmColorLutPtr lut( |
| 192 static_cast<DrmColorLut*>(malloc(sizeof(DrmColorLut) * source.size()))); | 192 static_cast<DrmColorLut*>(malloc(sizeof(DrmColorLut) * source.size()))); |
| 193 DrmColorLut* p = lut.get(); | 193 DrmColorLut* p = lut.get(); |
| 194 for (size_t i = 0; i < source.size(); ++i) { | 194 for (size_t i = 0; i < source.size(); ++i) { |
| 195 p[i].red = source[i].r; | 195 p[i].red = source[i].r; |
| 196 p[i].green = source[i].g; | 196 p[i].green = source[i].g; |
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| 244 LOG(ERROR) << "Error updating property: " << base::safe_strerror(res) | 244 LOG(ERROR) << "Error updating property: " << base::safe_strerror(res) |
| 245 << " for property " << property_name; | 245 << " for property " << property_name; |
| 246 } else { | 246 } else { |
| 247 success = true; | 247 success = true; |
| 248 } | 248 } |
| 249 if (blob_id != 0) | 249 if (blob_id != 0) |
| 250 DestroyPropertyBlob(fd, blob_id); | 250 DestroyPropertyBlob(fd, blob_id); |
| 251 return success; | 251 return success; |
| 252 } | 252 } |
| 253 | 253 |
| 254 std::vector<GammaRampRGBEntry> ResampleLut( | 254 std::vector<display::GammaRampRGBEntry> ResampleLut( |
| 255 const std::vector<GammaRampRGBEntry>& lut_in, | 255 const std::vector<display::GammaRampRGBEntry>& lut_in, |
| 256 size_t desired_size) { | 256 size_t desired_size) { |
| 257 TRACE_EVENT1("drm", "ResampleLut", "desired_size", desired_size); | 257 TRACE_EVENT1("drm", "ResampleLut", "desired_size", desired_size); |
| 258 if (lut_in.empty()) | 258 if (lut_in.empty()) |
| 259 return std::vector<GammaRampRGBEntry>(); | 259 return std::vector<display::GammaRampRGBEntry>(); |
| 260 | 260 |
| 261 if (lut_in.size() == desired_size) | 261 if (lut_in.size() == desired_size) |
| 262 return lut_in; | 262 return lut_in; |
| 263 | 263 |
| 264 std::vector<GammaRampRGBEntry> result; | 264 std::vector<display::GammaRampRGBEntry> result; |
| 265 result.resize(desired_size); | 265 result.resize(desired_size); |
| 266 | 266 |
| 267 for (size_t i = 0; i < desired_size; ++i) { | 267 for (size_t i = 0; i < desired_size; ++i) { |
| 268 size_t base_index = lut_in.size() * i / desired_size; | 268 size_t base_index = lut_in.size() * i / desired_size; |
| 269 size_t remaining = lut_in.size() * i % desired_size; | 269 size_t remaining = lut_in.size() * i % desired_size; |
| 270 if (base_index < lut_in.size() - 1) { | 270 if (base_index < lut_in.size() - 1) { |
| 271 result[i].r = lut_in[base_index].r + | 271 result[i].r = lut_in[base_index].r + |
| 272 (lut_in[base_index + 1].r - lut_in[base_index].r) * | 272 (lut_in[base_index + 1].r - lut_in[base_index].r) * |
| 273 remaining / desired_size; | 273 remaining / desired_size; |
| 274 result[i].g = lut_in[base_index].g + | 274 result[i].g = lut_in[base_index].g + |
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| 692 DCHECK(file_.IsValid()); | 692 DCHECK(file_.IsValid()); |
| 693 return (drmSetMaster(file_.GetPlatformFile()) == 0); | 693 return (drmSetMaster(file_.GetPlatformFile()) == 0); |
| 694 } | 694 } |
| 695 | 695 |
| 696 bool DrmDevice::DropMaster() { | 696 bool DrmDevice::DropMaster() { |
| 697 TRACE_EVENT1("drm", "DrmDevice::DropMaster", "path", device_path_.value()); | 697 TRACE_EVENT1("drm", "DrmDevice::DropMaster", "path", device_path_.value()); |
| 698 DCHECK(file_.IsValid()); | 698 DCHECK(file_.IsValid()); |
| 699 return (drmDropMaster(file_.GetPlatformFile()) == 0); | 699 return (drmDropMaster(file_.GetPlatformFile()) == 0); |
| 700 } | 700 } |
| 701 | 701 |
| 702 bool DrmDevice::SetGammaRamp(uint32_t crtc_id, | 702 bool DrmDevice::SetGammaRamp( |
| 703 const std::vector<GammaRampRGBEntry>& lut) { | 703 uint32_t crtc_id, |
| 704 const std::vector<display::GammaRampRGBEntry>& lut) { |
| 704 ScopedDrmCrtcPtr crtc = GetCrtc(crtc_id); | 705 ScopedDrmCrtcPtr crtc = GetCrtc(crtc_id); |
| 705 size_t gamma_size = static_cast<size_t>(crtc->gamma_size); | 706 size_t gamma_size = static_cast<size_t>(crtc->gamma_size); |
| 706 | 707 |
| 707 if (gamma_size == 0 && lut.empty()) | 708 if (gamma_size == 0 && lut.empty()) |
| 708 return true; | 709 return true; |
| 709 | 710 |
| 710 if (gamma_size == 0) { | 711 if (gamma_size == 0) { |
| 711 LOG(ERROR) << "Gamma table not supported"; | 712 LOG(ERROR) << "Gamma table not supported"; |
| 712 return false; | 713 return false; |
| 713 } | 714 } |
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| 742 } | 743 } |
| 743 | 744 |
| 744 DCHECK(file_.IsValid()); | 745 DCHECK(file_.IsValid()); |
| 745 TRACE_EVENT0("drm", "DrmDevice::SetGamma"); | 746 TRACE_EVENT0("drm", "DrmDevice::SetGamma"); |
| 746 return (drmModeCrtcSetGamma(file_.GetPlatformFile(), crtc_id, r.size(), &r[0], | 747 return (drmModeCrtcSetGamma(file_.GetPlatformFile(), crtc_id, r.size(), &r[0], |
| 747 &g[0], &b[0]) == 0); | 748 &g[0], &b[0]) == 0); |
| 748 } | 749 } |
| 749 | 750 |
| 750 bool DrmDevice::SetColorCorrection( | 751 bool DrmDevice::SetColorCorrection( |
| 751 uint32_t crtc_id, | 752 uint32_t crtc_id, |
| 752 const std::vector<GammaRampRGBEntry>& degamma_lut, | 753 const std::vector<display::GammaRampRGBEntry>& degamma_lut, |
| 753 const std::vector<GammaRampRGBEntry>& gamma_lut, | 754 const std::vector<display::GammaRampRGBEntry>& gamma_lut, |
| 754 const std::vector<float>& correction_matrix) { | 755 const std::vector<float>& correction_matrix) { |
| 755 ScopedDrmObjectPropertyPtr crtc_props(drmModeObjectGetProperties( | 756 ScopedDrmObjectPropertyPtr crtc_props(drmModeObjectGetProperties( |
| 756 file_.GetPlatformFile(), crtc_id, DRM_MODE_OBJECT_CRTC)); | 757 file_.GetPlatformFile(), crtc_id, DRM_MODE_OBJECT_CRTC)); |
| 757 uint64_t degamma_lut_size = 0; | 758 uint64_t degamma_lut_size = 0; |
| 758 uint64_t gamma_lut_size = 0; | 759 uint64_t gamma_lut_size = 0; |
| 759 | 760 |
| 760 for (uint32_t i = 0; i < crtc_props->count_props; ++i) { | 761 for (uint32_t i = 0; i < crtc_props->count_props; ++i) { |
| 761 ScopedDrmPropertyPtr property( | 762 ScopedDrmPropertyPtr property( |
| 762 drmModeGetProperty(file_.GetPlatformFile(), crtc_props->props[i])); | 763 drmModeGetProperty(file_.GetPlatformFile(), crtc_props->props[i])); |
| 763 if (property && !strcmp(property->name, "DEGAMMA_LUT_SIZE")) { | 764 if (property && !strcmp(property->name, "DEGAMMA_LUT_SIZE")) { |
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| 812 reinterpret_cast<unsigned char*>(ctm_blob_data.get()), | 813 reinterpret_cast<unsigned char*>(ctm_blob_data.get()), |
| 813 sizeof(DrmColorCtm))) | 814 sizeof(DrmColorCtm))) |
| 814 return false; | 815 return false; |
| 815 } | 816 } |
| 816 } | 817 } |
| 817 | 818 |
| 818 return true; | 819 return true; |
| 819 } | 820 } |
| 820 | 821 |
| 821 } // namespace ui | 822 } // namespace ui |
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