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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> |
11 #include <xf86drmMode.h> | 11 #include <xf86drmMode.h> |
12 #include <utility> | 12 #include <utility> |
13 | 13 |
14 #include "base/logging.h" | 14 #include "base/logging.h" |
15 #include "base/macros.h" | 15 #include "base/macros.h" |
16 #include "base/message_loop/message_loop.h" | 16 #include "base/message_loop/message_loop.h" |
17 #include "base/posix/safe_strerror.h" | |
17 #include "base/task_runner.h" | 18 #include "base/task_runner.h" |
18 #include "base/thread_task_runner_handle.h" | 19 #include "base/thread_task_runner_handle.h" |
19 #include "base/trace_event/trace_event.h" | 20 #include "base/trace_event/trace_event.h" |
20 #include "third_party/skia/include/core/SkImageInfo.h" | 21 #include "third_party/skia/include/core/SkImageInfo.h" |
21 #include "ui/display/types/gamma_ramp_rgb_entry.h" | 22 #include "ui/display/types/gamma_ramp_rgb_entry.h" |
22 #include "ui/ozone/platform/drm/common/drm_util.h" | 23 #include "ui/ozone/platform/drm/common/drm_util.h" |
23 #include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager_legacy.h" | 24 #include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager_legacy.h" |
24 | 25 |
25 #if defined(USE_DRM_ATOMIC) | 26 #if defined(USE_DRM_ATOMIC) |
26 #include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager_atomic.h" | 27 #include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager_atomic.h" |
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106 } | 107 } |
107 | 108 |
108 bool CanQueryForResources(int fd) { | 109 bool CanQueryForResources(int fd) { |
109 drm_mode_card_res resources; | 110 drm_mode_card_res resources; |
110 memset(&resources, 0, sizeof(resources)); | 111 memset(&resources, 0, sizeof(resources)); |
111 // If there is no error getting DRM resources then assume this is a | 112 // If there is no error getting DRM resources then assume this is a |
112 // modesetting device. | 113 // modesetting device. |
113 return !drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &resources); | 114 return !drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &resources); |
114 } | 115 } |
115 | 116 |
117 // TODO(robert.bradford): Replace with libdrm structures after libdrm roll. | |
118 // https://crbug.com/586475 | |
119 struct DrmColorLut { | |
120 uint16_t red; | |
121 uint16_t green; | |
122 uint16_t blue; | |
123 uint16_t reserved; | |
124 }; | |
125 | |
126 struct DrmColorCtm { | |
127 int64_t ctm_coeff[9]; | |
128 }; | |
129 | |
130 typedef scoped_ptr<DrmColorLut, base::FreeDeleter> ScopedDrmColorLut; | |
dnicoara
2016/02/24 14:24:34
nit: Add a "Ptr" suffix to match the other ScopedD
robert.bradford
2016/02/24 15:22:05
Done.
| |
131 typedef scoped_ptr<DrmColorCtm, base::FreeDeleter> ScopedDrmColorCtm; | |
132 | |
133 ScopedDrmColorLut CreateLutBlob(const std::vector<GammaRampRGBEntry>& source) { | |
134 TRACE_EVENT0("drm", "CreateLutBlob"); | |
135 | |
136 ScopedDrmColorLut res(new DrmColorLut[source.size()]); | |
137 DrmColorLut* lut = res.get(); | |
138 for (size_t i = 0; i < source.size(); ++i) { | |
139 lut[i].red = source[i].r; | |
140 lut[i].green = source[i].g; | |
141 lut[i].blue = source[i].b; | |
142 } | |
143 return res; | |
144 } | |
145 | |
146 ScopedDrmColorCtm CreateCTMBlob(const std::vector<float>& correction_matrix) { | |
147 ScopedDrmColorCtm ctm(new DrmColorCtm); | |
dnicoara
2016/02/24 14:24:34
You're allocating with new() but freeing with free
robert.bradford
2016/02/24 15:22:05
You're right, malloc & free is best.
| |
148 | |
149 for (int i = 0; i < 9; ++i) { | |
150 if (correction_matrix[i] < 0) { | |
151 ctm->ctm_coeff[i] = static_cast<uint64_t>( | |
152 -correction_matrix[i] * (static_cast<uint64_t>(1) << 32)); | |
153 ctm->ctm_coeff[i] |= static_cast<uint64_t>(1) << 63; | |
154 } else { | |
155 ctm->ctm_coeff[i] = static_cast<uint64_t>( | |
156 correction_matrix[i] * (static_cast<uint64_t>(1) << 32)); | |
157 } | |
158 } | |
159 return ctm; | |
160 } | |
161 | |
162 bool SetBlobProperty(int fd, | |
163 uint32_t object_id, | |
164 uint32_t object_type, | |
165 uint32_t prop_id, | |
166 const char* property_name, | |
167 unsigned char* data, | |
168 size_t length) { | |
169 uint32_t blob_id; | |
170 int res; | |
171 res = drmModeCreatePropertyBlob(fd, data, length, &blob_id); | |
172 if (res != 0) { | |
173 LOG(ERROR) << "Error creating property blob: " << base::safe_strerror(res) | |
174 << " for property " << property_name; | |
175 return false; | |
176 } | |
177 res = drmModeObjectSetProperty(fd, object_id, object_type, prop_id, blob_id); | |
178 if (res != 0) { | |
179 LOG(ERROR) << "Error updating property: " << base::safe_strerror(res) | |
180 << " for property " << property_name; | |
181 drmModeDestroyPropertyBlob(fd, blob_id); | |
182 return false; | |
183 } | |
184 drmModeDestroyPropertyBlob(fd, blob_id); | |
185 return true; | |
186 } | |
187 | |
188 std::vector<GammaRampRGBEntry> ResampleLut( | |
189 const std::vector<GammaRampRGBEntry>& lut_in, | |
190 size_t desired_size) { | |
191 TRACE_EVENT1("drm", "ResampleLut", "desired_size", desired_size); | |
192 if (lut_in.size() == desired_size) | |
193 return lut_in; | |
194 | |
195 std::vector<GammaRampRGBEntry> result; | |
196 result.resize(desired_size); | |
197 | |
198 for (size_t i = 0; i < desired_size; ++i) { | |
199 size_t base_index = lut_in.size() * i / desired_size; | |
200 size_t remaining = lut_in.size() * i % desired_size; | |
201 if (base_index < lut_in.size() - 1) { | |
202 result[i].r = lut_in[base_index].r + | |
203 (lut_in[base_index + 1].r - lut_in[base_index].r) * | |
204 remaining / desired_size; | |
205 result[i].g = lut_in[base_index].g + | |
206 (lut_in[base_index + 1].g - lut_in[base_index].g) * | |
207 remaining / desired_size; | |
208 result[i].b = lut_in[base_index].b + | |
209 (lut_in[base_index + 1].b - lut_in[base_index].b) * | |
210 remaining / desired_size; | |
211 } else { | |
212 result[i] = lut_in[lut_in.size() - 1]; | |
213 } | |
214 } | |
215 | |
216 return result; | |
217 } | |
218 | |
116 } // namespace | 219 } // namespace |
117 | 220 |
118 class DrmDevice::PageFlipManager { | 221 class DrmDevice::PageFlipManager { |
119 public: | 222 public: |
120 PageFlipManager() : next_id_(0) {} | 223 PageFlipManager() : next_id_(0) {} |
121 ~PageFlipManager() {} | 224 ~PageFlipManager() {} |
122 | 225 |
123 void OnPageFlip(uint32_t frame, | 226 void OnPageFlip(uint32_t frame, |
124 uint32_t seconds, | 227 uint32_t seconds, |
125 uint32_t useconds, | 228 uint32_t useconds, |
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535 g.push_back(lut[i].g); | 638 g.push_back(lut[i].g); |
536 b.push_back(lut[i].b); | 639 b.push_back(lut[i].b); |
537 } | 640 } |
538 | 641 |
539 DCHECK(file_.IsValid()); | 642 DCHECK(file_.IsValid()); |
540 TRACE_EVENT0("drm", "DrmDevice::SetGamma"); | 643 TRACE_EVENT0("drm", "DrmDevice::SetGamma"); |
541 return (drmModeCrtcSetGamma(file_.GetPlatformFile(), crtc_id, r.size(), &r[0], | 644 return (drmModeCrtcSetGamma(file_.GetPlatformFile(), crtc_id, r.size(), &r[0], |
542 &g[0], &b[0]) == 0); | 645 &g[0], &b[0]) == 0); |
543 } | 646 } |
544 | 647 |
648 bool DrmDevice::SetColorCorrection( | |
649 uint32_t crtc_id, | |
650 const std::vector<GammaRampRGBEntry>& degamma_lut, | |
651 const std::vector<GammaRampRGBEntry>& gamma_lut, | |
652 const std::vector<float>& correction_matrix) { | |
653 ScopedDrmObjectPropertyPtr crtc_props(drmModeObjectGetProperties( | |
654 file_.GetPlatformFile(), crtc_id, DRM_MODE_OBJECT_CRTC)); | |
655 uint64_t degamma_lut_size = 0; | |
656 uint64_t gamma_lut_size = 0; | |
657 | |
658 for (uint32_t i = 0; i < crtc_props->count_props; ++i) { | |
659 ScopedDrmPropertyPtr property( | |
660 drmModeGetProperty(file_.GetPlatformFile(), crtc_props->props[i])); | |
661 if (property && !strcmp(property->name, "DEGAMMA_LUT_SIZE")) { | |
662 degamma_lut_size = crtc_props->prop_values[i]; | |
663 } | |
664 if (property && !strcmp(property->name, "GAMMA_LUT_SIZE")) { | |
665 gamma_lut_size = crtc_props->prop_values[i]; | |
666 } | |
667 | |
668 if (degamma_lut_size && gamma_lut_size) | |
669 break; | |
670 } | |
671 | |
672 if (degamma_lut_size == 0 || gamma_lut_size == 0) { | |
673 LOG(WARNING) << "No available (de)gamma tables."; | |
674 return false; | |
675 } | |
676 | |
677 ScopedDrmColorLut degamma_blob_data = | |
678 CreateLutBlob(ResampleLut(degamma_lut, degamma_lut_size)); | |
679 ScopedDrmColorLut gamma_blob_data = | |
680 CreateLutBlob(ResampleLut(gamma_lut, gamma_lut_size)); | |
681 ScopedDrmColorCtm ctm_blob_data = CreateCTMBlob(correction_matrix); | |
682 | |
683 for (uint32_t i = 0; i < crtc_props->count_props; ++i) { | |
684 ScopedDrmPropertyPtr property( | |
685 drmModeGetProperty(file_.GetPlatformFile(), crtc_props->props[i])); | |
686 if (!property) | |
687 continue; | |
688 | |
689 if (!strcmp(property->name, "DEGAMMA_LUT")) { | |
690 if (!SetBlobProperty( | |
691 file_.GetPlatformFile(), crtc_id, DRM_MODE_OBJECT_CRTC, | |
692 crtc_props->props[i], property->name, | |
693 reinterpret_cast<unsigned char*>(degamma_blob_data.get()), | |
694 sizeof(DrmColorLut) * degamma_lut_size)) | |
695 return false; | |
696 } | |
697 if (!strcmp(property->name, "GAMMA_LUT")) { | |
698 if (!SetBlobProperty( | |
699 file_.GetPlatformFile(), crtc_id, DRM_MODE_OBJECT_CRTC, | |
700 crtc_props->props[i], property->name, | |
701 reinterpret_cast<unsigned char*>(gamma_blob_data.get()), | |
702 sizeof(DrmColorLut) * gamma_lut_size)) | |
703 return false; | |
704 } | |
705 if (!strcmp(property->name, "CTM")) { | |
706 if (!SetBlobProperty( | |
707 file_.GetPlatformFile(), crtc_id, DRM_MODE_OBJECT_CRTC, | |
708 crtc_props->props[i], property->name, | |
709 reinterpret_cast<unsigned char*>(ctm_blob_data.get()), | |
710 sizeof(DrmColorCtm))) | |
711 return false; | |
712 } | |
713 } | |
714 | |
715 return true; | |
716 } | |
717 | |
545 } // namespace ui | 718 } // namespace ui |
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