bsalomon@google.com | 7491372 | 2011-10-27 20:44:19 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 9 | #include "GrNonAtomicRef.h" |
tomhudson@google.com | 6bf38b5 | 2012-02-14 15:11:59 +0000 | [diff] [blame] | 10 | #include "gl/GrGLInterface.h" |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 11 | #include "GrGLTestInterface.h" |
| 12 | #include "SkMutex.h" |
bsalomon@google.com | 21cbec4 | 2013-01-07 17:23:00 +0000 | [diff] [blame] | 13 | #include "SkTDArray.h" |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 14 | #include <type_traits> |
bsalomon | 7e34007 | 2015-02-11 12:07:31 -0800 | [diff] [blame] | 15 | |
| 16 | // added to suppress 'no previous prototype' warning and because this code is duplicated in |
| 17 | // SkNullGLContext.cpp |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 18 | namespace { |
bsalomon | 7e34007 | 2015-02-11 12:07:31 -0800 | [diff] [blame] | 19 | |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 20 | class GLObject : public GrNonAtomicRef<GLObject> { |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 21 | public: |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 22 | GLObject(GrGLuint id) : fID(id) {} |
| 23 | virtual ~GLObject() {} |
| 24 | |
| 25 | GrGLuint id() const { return fID; } |
| 26 | |
| 27 | private: |
| 28 | GrGLuint fID; |
| 29 | }; |
| 30 | |
| 31 | // This class maintains a sparsely populated array of object pointers. |
| 32 | template<typename T> class TGLObjectManager { |
| 33 | static_assert(std::is_convertible<T*, GLObject*>::value, "T must be a subclass of GLObject"); |
| 34 | |
| 35 | public: |
| 36 | TGLObjectManager() : fFreeListHead(kFreeListEnd) { |
| 37 | *fGLObjects.append() = nullptr; // 0 is not a valid GL object id. |
| 38 | } |
| 39 | |
| 40 | ~TGLObjectManager() { |
| 41 | // nullptr out the entries that are really free list links rather than ptrs before deleting. |
| 42 | intptr_t curr = fFreeListHead; |
| 43 | while (kFreeListEnd != curr) { |
| 44 | intptr_t next = reinterpret_cast<intptr_t>(fGLObjects[SkToS32(curr)]); |
| 45 | fGLObjects[SkToS32(curr)] = nullptr; |
| 46 | curr = next; |
| 47 | } |
| 48 | |
| 49 | fGLObjects.safeUnrefAll(); |
| 50 | } |
| 51 | |
| 52 | T* lookUp(GrGLuint id) { |
| 53 | T* object = fGLObjects[id]; |
| 54 | SkASSERT(object && object->id() == id); |
| 55 | return object; |
| 56 | } |
| 57 | |
| 58 | T* create() { |
| 59 | GrGLuint id; |
| 60 | T* object; |
| 61 | |
| 62 | if (kFreeListEnd == fFreeListHead) { |
| 63 | // no free slots - create a new one |
| 64 | id = fGLObjects.count(); |
| 65 | object = new T(id); |
| 66 | *fGLObjects.append() = object; |
| 67 | } else { |
| 68 | // grab the head of the free list and advance the head to the next free slot. |
| 69 | id = static_cast<GrGLuint>(fFreeListHead); |
| 70 | fFreeListHead = reinterpret_cast<intptr_t>(fGLObjects[id]); |
| 71 | |
| 72 | object = new T(id); |
| 73 | fGLObjects[id] = object; |
| 74 | } |
| 75 | |
| 76 | return object; |
| 77 | } |
| 78 | |
| 79 | void free(T* object) { |
| 80 | SkASSERT(object); |
| 81 | SkASSERT(fGLObjects.count() > 0); |
| 82 | |
| 83 | GrGLuint id = object->id(); |
| 84 | object->unref(); |
| 85 | |
| 86 | fGLObjects[id] = reinterpret_cast<T*>(fFreeListHead); |
| 87 | fFreeListHead = id; |
| 88 | } |
| 89 | |
| 90 | private: |
| 91 | static const intptr_t kFreeListEnd = -1; |
| 92 | // Index of the first entry of fGLObjects in the free list. Free slots in fGLObjects are indices |
| 93 | // to the next free slot. The last free slot has a value of kFreeListEnd. |
| 94 | intptr_t fFreeListHead; |
| 95 | SkTDArray<T*> fGLObjects; |
| 96 | }; |
| 97 | |
| 98 | class Buffer : public GLObject { |
| 99 | public: |
| 100 | Buffer(GrGLuint id) : INHERITED(id), fDataPtr(nullptr), fSize(0), fMapped(false) {} |
| 101 | ~Buffer() { delete[] fDataPtr; } |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 102 | |
robertphillips@google.com | ae6b777 | 2013-07-18 18:07:39 +0000 | [diff] [blame] | 103 | void allocate(GrGLsizeiptr size, const GrGLchar* dataPtr) { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 104 | if (fDataPtr) { |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 105 | SkASSERT(0 != fSize); |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 106 | delete[] fDataPtr; |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 107 | } |
| 108 | |
| 109 | fSize = size; |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 110 | fDataPtr = new char[size]; |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 111 | } |
| 112 | |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 113 | GrGLchar* dataPtr() { return fDataPtr; } |
robertphillips@google.com | ae6b777 | 2013-07-18 18:07:39 +0000 | [diff] [blame] | 114 | GrGLsizeiptr size() const { return fSize; } |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 115 | |
| 116 | void setMapped(bool mapped) { fMapped = mapped; } |
| 117 | bool mapped() const { return fMapped; } |
| 118 | |
| 119 | private: |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 120 | GrGLchar* fDataPtr; |
robertphillips@google.com | ae6b777 | 2013-07-18 18:07:39 +0000 | [diff] [blame] | 121 | GrGLsizeiptr fSize; // size in bytes |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 122 | bool fMapped; |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 123 | |
| 124 | typedef GLObject INHERITED; |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 125 | }; |
| 126 | |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 127 | class FramebufferAttachment : public GLObject { |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 128 | public: |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 129 | int numSamples() const { return fNumSamples; } |
robertphillips@google.com | d6543e5 | 2013-07-18 17:39:14 +0000 | [diff] [blame] | 130 | |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 131 | protected: |
| 132 | FramebufferAttachment(int id) : INHERITED(id), fNumSamples(1) {} |
| 133 | |
| 134 | int fNumSamples; |
| 135 | |
| 136 | typedef GLObject INHERITED; |
| 137 | }; |
| 138 | |
| 139 | class Renderbuffer : public FramebufferAttachment { |
| 140 | public: |
| 141 | Renderbuffer(int id) : INHERITED(id) {} |
| 142 | void setNumSamples(int numSamples) { fNumSamples = numSamples; } |
| 143 | |
| 144 | private: |
| 145 | typedef FramebufferAttachment INHERITED; |
| 146 | }; |
| 147 | |
| 148 | class Texture : public FramebufferAttachment { |
| 149 | public: |
| 150 | Texture() : INHERITED(1) {} |
| 151 | |
| 152 | private: |
| 153 | typedef FramebufferAttachment INHERITED; |
| 154 | }; |
| 155 | |
| 156 | class Framebuffer : public GLObject { |
| 157 | public: |
| 158 | Framebuffer(int id) : INHERITED(id) {} |
| 159 | |
| 160 | void setAttachment(GrGLenum attachmentPoint, const FramebufferAttachment* attachment) { |
| 161 | switch (attachmentPoint) { |
| 162 | default: |
| 163 | SK_ABORT("Invalid framebuffer attachment."); |
| 164 | break; |
| 165 | case GR_GL_STENCIL_ATTACHMENT: |
| 166 | fAttachments[(int)AttachmentPoint::kStencil].reset(SkRef(attachment)); |
| 167 | break; |
| 168 | case GR_GL_DEPTH_ATTACHMENT: |
| 169 | fAttachments[(int)AttachmentPoint::kDepth].reset(SkRef(attachment)); |
| 170 | break; |
| 171 | case GR_GL_COLOR_ATTACHMENT0: |
| 172 | fAttachments[(int)AttachmentPoint::kColor].reset(SkRef(attachment)); |
| 173 | break; |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 174 | } |
brianosman | 37feccb | 2016-06-23 06:11:51 -0700 | [diff] [blame] | 175 | } |
| 176 | |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 177 | void notifyAttachmentDeleteWhileBound(const FramebufferAttachment* deleted) { |
| 178 | for (auto& attachment : fAttachments) { |
Hal Canary | 144caf5 | 2016-11-07 17:57:18 -0500 | [diff] [blame] | 179 | if (attachment.get() == deleted) { |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 180 | attachment.reset(nullptr); |
| 181 | } |
brianosman | 37feccb | 2016-06-23 06:11:51 -0700 | [diff] [blame] | 182 | } |
brianosman | 37feccb | 2016-06-23 06:11:51 -0700 | [diff] [blame] | 183 | } |
| 184 | |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 185 | int numSamples() const { |
| 186 | int numSamples = 0; |
| 187 | for (auto& attachment : fAttachments) { |
| 188 | if (!attachment) { |
| 189 | continue; |
| 190 | } |
| 191 | if (numSamples) { |
| 192 | GrAlwaysAssert(attachment->numSamples() == numSamples); |
| 193 | continue; |
| 194 | } |
| 195 | numSamples = attachment->numSamples(); |
| 196 | } |
| 197 | GrAlwaysAssert(numSamples); |
| 198 | return numSamples; |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | private: |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 202 | enum AttachmentPoint { |
| 203 | kStencil, |
| 204 | kDepth, |
| 205 | kColor |
| 206 | }; |
| 207 | constexpr int static kNumAttachmentPoints = 1 + (int)AttachmentPoint::kColor; |
| 208 | |
Hal Canary | 144caf5 | 2016-11-07 17:57:18 -0500 | [diff] [blame] | 209 | sk_sp<const FramebufferAttachment> fAttachments[kNumAttachmentPoints]; |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 210 | |
| 211 | typedef GLObject INHERITED; |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 212 | }; |
| 213 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 214 | /** Null interface implementation */ |
| 215 | class NullInterface : public GrGLTestInterface { |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 216 | public: |
svaisanen | b988ecf | 2016-04-20 00:36:53 -0700 | [diff] [blame] | 217 | NullInterface(bool enableNVPR) |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 218 | : fCurrDrawFramebuffer(0) |
| 219 | , fCurrReadFramebuffer(0) |
| 220 | , fCurrRenderbuffer(0) |
| 221 | , fCurrProgramID(0) |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 222 | , fCurrShaderID(0) |
| 223 | , fCurrGenericID(0) |
svaisanen | b988ecf | 2016-04-20 00:36:53 -0700 | [diff] [blame] | 224 | , fCurrUniformLocation(0) |
| 225 | , fCurrPathID(0) { |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 226 | memset(fBoundBuffers, 0, sizeof(fBoundBuffers)); |
Brian Salomon | 7fc4a2d | 2017-02-17 20:43:43 -0500 | [diff] [blame^] | 227 | fAdvertisedExtensions.push_back("GL_ARB_framebuffer_object"); |
| 228 | fAdvertisedExtensions.push_back("GL_ARB_blend_func_extended"); |
| 229 | fAdvertisedExtensions.push_back("GL_ARB_timer_query"); |
| 230 | fAdvertisedExtensions.push_back("GL_ARB_draw_buffers"); |
| 231 | fAdvertisedExtensions.push_back("GL_ARB_occlusion_query"); |
| 232 | fAdvertisedExtensions.push_back("GL_EXT_stencil_wrap"); |
svaisanen | b988ecf | 2016-04-20 00:36:53 -0700 | [diff] [blame] | 233 | if (enableNVPR) { |
Brian Salomon | 7fc4a2d | 2017-02-17 20:43:43 -0500 | [diff] [blame^] | 234 | fAdvertisedExtensions.push_back("GL_NV_path_rendering"); |
| 235 | fAdvertisedExtensions.push_back("GL_ARB_program_interface_query"); |
svaisanen | b988ecf | 2016-04-20 00:36:53 -0700 | [diff] [blame] | 236 | } |
Brian Salomon | 7fc4a2d | 2017-02-17 20:43:43 -0500 | [diff] [blame^] | 237 | fAdvertisedExtensions.push_back(nullptr); |
svaisanen | b988ecf | 2016-04-20 00:36:53 -0700 | [diff] [blame] | 238 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 239 | this->init(kGL_GrGLStandard); |
| 240 | } |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 241 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 242 | GrGLenum checkFramebufferStatus(GrGLenum target) override { |
| 243 | return GR_GL_FRAMEBUFFER_COMPLETE; |
| 244 | } |
| 245 | |
| 246 | GrGLvoid genBuffers(GrGLsizei n, GrGLuint* ids) override { |
| 247 | for (int i = 0; i < n; ++i) { |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 248 | Buffer* buffer = fBufferManager.create(); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 249 | ids[i] = buffer->id(); |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | GrGLvoid bufferData(GrGLenum target, GrGLsizeiptr size, const GrGLvoid* data, |
| 254 | GrGLenum usage) override { |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 255 | GrGLuint id = fBoundBuffers[GetBufferIndex(target)]; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 256 | if (id > 0) { |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 257 | Buffer* buffer = fBufferManager.lookUp(id); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 258 | buffer->allocate(size, (const GrGLchar*) data); |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | GrGLuint createProgram() override { |
| 263 | return ++fCurrProgramID; |
| 264 | } |
| 265 | |
| 266 | GrGLuint createShader(GrGLenum type) override { |
| 267 | return ++fCurrShaderID; |
| 268 | } |
| 269 | |
| 270 | GrGLvoid bindBuffer(GrGLenum target, GrGLuint buffer) override { |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 271 | fBoundBuffers[GetBufferIndex(target)] = buffer; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | // deleting a bound buffer has the side effect of binding 0 |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 275 | GrGLvoid deleteBuffers(GrGLsizei n, const GrGLuint* ids) override { |
| 276 | // First potentially unbind the buffers. |
| 277 | for (int buffIdx = 0; buffIdx < kNumBufferTargets; ++buffIdx) { |
| 278 | if (!fBoundBuffers[buffIdx]) { |
| 279 | continue; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 280 | } |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 281 | for (int i = 0; i < n; ++i) { |
| 282 | if (ids[i] == fBoundBuffers[buffIdx]) { |
| 283 | fBoundBuffers[buffIdx] = 0; |
| 284 | break; |
| 285 | } |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 286 | } |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 287 | } |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 288 | |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 289 | // Then actually "delete" the buffers. |
| 290 | for (int i = 0; i < n; ++i) { |
cdalton | a957b8a | 2016-04-06 13:36:38 -0700 | [diff] [blame] | 291 | if (ids[i] > 0) { |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 292 | Buffer* buffer = fBufferManager.lookUp(ids[i]); |
cdalton | a957b8a | 2016-04-06 13:36:38 -0700 | [diff] [blame] | 293 | fBufferManager.free(buffer); |
| 294 | } |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 295 | } |
| 296 | } |
| 297 | |
| 298 | GrGLvoid genFramebuffers(GrGLsizei n, GrGLuint *framebuffers) override { |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 299 | for (int i = 0; i < n; ++i) { |
| 300 | Framebuffer* framebuffer = fFramebufferManager.create(); |
| 301 | framebuffers[i] = framebuffer->id(); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | GrGLvoid bindFramebuffer(GrGLenum target, GrGLuint framebuffer) override { |
| 306 | SkASSERT(GR_GL_FRAMEBUFFER == target || GR_GL_DRAW_FRAMEBUFFER == target || |
| 307 | GR_GL_READ_FRAMEBUFFER == target); |
| 308 | if (GR_GL_READ_FRAMEBUFFER != target) { |
| 309 | fCurrDrawFramebuffer = framebuffer; |
| 310 | } |
| 311 | if (GR_GL_DRAW_FRAMEBUFFER != target) { |
| 312 | fCurrReadFramebuffer = framebuffer; |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | GrGLvoid deleteFramebuffers(GrGLsizei n, const GrGLuint* ids) override { |
| 317 | for (int i = 0; i < n; ++i) { |
| 318 | if (ids[i] == fCurrDrawFramebuffer) { |
| 319 | fCurrDrawFramebuffer = 0; |
| 320 | } |
| 321 | if (ids[i] == fCurrReadFramebuffer) { |
| 322 | fCurrReadFramebuffer = 0; |
| 323 | } |
| 324 | |
| 325 | if (ids[i] > 0) { |
| 326 | Framebuffer* framebuffer = fFramebufferManager.lookUp(ids[i]); |
| 327 | fFramebufferManager.free(framebuffer); |
| 328 | } |
| 329 | } |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 330 | } |
| 331 | |
| 332 | GrGLvoid genQueries(GrGLsizei n, GrGLuint *ids) override { this->genGenericIds(n, ids); } |
| 333 | |
| 334 | GrGLvoid genRenderbuffers(GrGLsizei n, GrGLuint *renderbuffers) override { |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 335 | for (int i = 0; i < n; ++i) { |
| 336 | Renderbuffer* renderbuffer = fRenderbufferManager.create(); |
| 337 | renderbuffers[i] = renderbuffer->id(); |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | GrGLvoid bindRenderbuffer(GrGLenum target, GrGLuint renderbuffer) override { |
| 342 | SkASSERT(GR_GL_RENDERBUFFER == target); |
| 343 | fCurrRenderbuffer = renderbuffer; |
| 344 | } |
| 345 | |
| 346 | GrGLvoid deleteRenderbuffers(GrGLsizei n, const GrGLuint* ids) override { |
| 347 | for (int i = 0; i < n; ++i) { |
| 348 | if (ids[i] <= 0) { |
| 349 | continue; |
| 350 | } |
| 351 | if (ids[i] == fCurrRenderbuffer) { |
| 352 | fCurrRenderbuffer = 0; |
| 353 | } |
| 354 | Renderbuffer* renderbuffer = fRenderbufferManager.lookUp(ids[i]); |
| 355 | |
| 356 | if (fCurrDrawFramebuffer) { |
| 357 | Framebuffer* drawFramebuffer = fFramebufferManager.lookUp(fCurrDrawFramebuffer); |
| 358 | drawFramebuffer->notifyAttachmentDeleteWhileBound(renderbuffer); |
| 359 | } |
| 360 | if (fCurrReadFramebuffer) { |
| 361 | Framebuffer* readFramebuffer = fFramebufferManager.lookUp(fCurrReadFramebuffer); |
| 362 | readFramebuffer->notifyAttachmentDeleteWhileBound(renderbuffer); |
| 363 | } |
| 364 | |
| 365 | fRenderbufferManager.free(renderbuffer); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | GrGLvoid renderbufferStorage(GrGLenum target, GrGLenum internalformat, GrGLsizei width, |
| 370 | GrGLsizei height) override { |
| 371 | GrAlwaysAssert(GR_GL_RENDERBUFFER == target); |
| 372 | GrAlwaysAssert(fCurrRenderbuffer); |
| 373 | Renderbuffer* renderbuffer = fRenderbufferManager.lookUp(fCurrRenderbuffer); |
| 374 | renderbuffer->setNumSamples(1); |
| 375 | } |
| 376 | |
| 377 | GrGLvoid renderbufferStorageMultisample(GrGLenum target, GrGLsizei samples, |
| 378 | GrGLenum internalformat, GrGLsizei width, |
| 379 | GrGLsizei height) override { |
| 380 | GrAlwaysAssert(GR_GL_RENDERBUFFER == target); |
| 381 | GrAlwaysAssert(samples > 0); |
| 382 | GrAlwaysAssert(fCurrRenderbuffer); |
| 383 | Renderbuffer* renderbuffer = fRenderbufferManager.lookUp(fCurrRenderbuffer); |
| 384 | renderbuffer->setNumSamples(samples); |
| 385 | } |
| 386 | |
| 387 | GrGLvoid namedRenderbufferStorage(GrGLuint renderbuffer, GrGLenum GrGLinternalformat, |
| 388 | GrGLsizei width, GrGLsizei height) override { |
| 389 | SK_ABORT("Not implemented"); |
| 390 | } |
| 391 | |
| 392 | GrGLvoid namedRenderbufferStorageMultisample(GrGLuint renderbuffer, GrGLsizei samples, |
| 393 | GrGLenum GrGLinternalformat, GrGLsizei width, |
| 394 | GrGLsizei height) override { |
| 395 | SK_ABORT("Not implemented"); |
| 396 | } |
| 397 | |
| 398 | GrGLvoid framebufferRenderbuffer(GrGLenum target, GrGLenum attachment, |
| 399 | GrGLenum renderbuffertarget, |
| 400 | GrGLuint renderBufferID) override { |
| 401 | GrGLuint id = this->getBoundFramebufferID(target); |
| 402 | GrAlwaysAssert(id); |
| 403 | Framebuffer* framebuffer = fFramebufferManager.lookUp(id); |
| 404 | |
| 405 | GrAlwaysAssert(GR_GL_RENDERBUFFER == renderbuffertarget); |
| 406 | GrAlwaysAssert(fCurrRenderbuffer); |
| 407 | Renderbuffer* renderbuffer = fRenderbufferManager.lookUp(fCurrRenderbuffer); |
| 408 | |
| 409 | framebuffer->setAttachment(attachment, renderbuffer); |
| 410 | } |
| 411 | |
| 412 | GrGLvoid namedFramebufferRenderbuffer(GrGLuint framebuffer, GrGLenum attachment, |
| 413 | GrGLenum renderbuffertarget, |
| 414 | GrGLuint renderbuffer) override { |
| 415 | SK_ABORT("Not implemented"); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | GrGLvoid genTextures(GrGLsizei n, GrGLuint *textures) override { |
brianosman | e6865a0 | 2016-06-22 05:57:17 -0700 | [diff] [blame] | 419 | this->genGenericIds(n, textures); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 420 | } |
| 421 | |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 422 | GrGLvoid framebufferTexture2D(GrGLenum target, GrGLenum attachment, GrGLenum textarget, |
| 423 | GrGLuint textureID, GrGLint level) override { |
| 424 | GrGLuint id = this->getBoundFramebufferID(target); |
| 425 | GrAlwaysAssert(id); |
| 426 | Framebuffer* framebuffer = fFramebufferManager.lookUp(id); |
| 427 | framebuffer->setAttachment(attachment, this->getSingleTextureObject()); |
| 428 | } |
| 429 | |
| 430 | GrGLvoid framebufferTexture2DMultisample(GrGLenum target, GrGLenum attachment, |
| 431 | GrGLenum textarget, GrGLuint texture, GrGLint level, |
| 432 | GrGLsizei samples) override { |
| 433 | SK_ABORT("Not implemented"); |
| 434 | } |
| 435 | |
| 436 | GrGLvoid namedFramebufferTexture1D(GrGLuint framebuffer, GrGLenum attachment, |
| 437 | GrGLenum textarget, GrGLuint texture, |
| 438 | GrGLint level) override { |
| 439 | SK_ABORT("Not implemented"); |
| 440 | } |
| 441 | |
| 442 | GrGLvoid namedFramebufferTexture2D(GrGLuint framebuffer, GrGLenum attachment, |
| 443 | GrGLenum textarget, GrGLuint texture, |
| 444 | GrGLint level) override { |
| 445 | SK_ABORT("Not implemented"); |
| 446 | } |
| 447 | |
| 448 | GrGLvoid namedFramebufferTexture3D(GrGLuint framebuffer, GrGLenum attachment, |
| 449 | GrGLenum textarget, GrGLuint texture, GrGLint level, |
| 450 | GrGLint zoffset) override { |
| 451 | SK_ABORT("Not implemented"); |
| 452 | } |
| 453 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 454 | GrGLvoid genVertexArrays(GrGLsizei n, GrGLuint *arrays) override { |
| 455 | this->genGenericIds(n, arrays); |
| 456 | } |
| 457 | |
| 458 | GrGLenum getError() override { return GR_GL_NO_ERROR; } |
| 459 | |
| 460 | GrGLvoid getIntegerv(GrGLenum pname, GrGLint* params) override { |
| 461 | // TODO: remove from Ganesh the #defines for gets we don't use. |
| 462 | // We would like to minimize gets overall due to performance issues |
| 463 | switch (pname) { |
| 464 | case GR_GL_CONTEXT_PROFILE_MASK: |
| 465 | *params = GR_GL_CONTEXT_COMPATIBILITY_PROFILE_BIT; |
| 466 | break; |
| 467 | case GR_GL_STENCIL_BITS: |
| 468 | *params = 8; |
| 469 | break; |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 470 | case GR_GL_SAMPLES: { |
| 471 | GrAlwaysAssert(fCurrDrawFramebuffer); |
| 472 | Framebuffer* framebuffer = fFramebufferManager.lookUp(fCurrDrawFramebuffer); |
| 473 | *params = framebuffer->numSamples(); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 474 | break; |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 475 | } |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 476 | case GR_GL_FRAMEBUFFER_BINDING: |
| 477 | *params = 0; |
| 478 | break; |
| 479 | case GR_GL_VIEWPORT: |
| 480 | params[0] = 0; |
| 481 | params[1] = 0; |
| 482 | params[2] = 800; |
| 483 | params[3] = 600; |
| 484 | break; |
| 485 | case GR_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS: |
| 486 | case GR_GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS: |
| 487 | case GR_GL_MAX_TEXTURE_IMAGE_UNITS: |
| 488 | case GR_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS: |
| 489 | *params = 8; |
| 490 | break; |
| 491 | case GR_GL_MAX_TEXTURE_COORDS: |
| 492 | *params = 8; |
| 493 | break; |
| 494 | case GR_GL_MAX_VERTEX_UNIFORM_VECTORS: |
| 495 | *params = kDefaultMaxVertexUniformVectors; |
| 496 | break; |
| 497 | case GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS: |
| 498 | *params = kDefaultMaxFragmentUniformVectors; |
| 499 | break; |
| 500 | case GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS: |
| 501 | *params = 16 * 4; |
| 502 | break; |
| 503 | case GR_GL_NUM_COMPRESSED_TEXTURE_FORMATS: |
| 504 | *params = 0; |
| 505 | break; |
| 506 | case GR_GL_COMPRESSED_TEXTURE_FORMATS: |
| 507 | break; |
| 508 | case GR_GL_MAX_TEXTURE_SIZE: |
| 509 | *params = 8192; |
| 510 | break; |
| 511 | case GR_GL_MAX_RENDERBUFFER_SIZE: |
| 512 | *params = 8192; |
| 513 | break; |
| 514 | case GR_GL_MAX_SAMPLES: |
| 515 | *params = 32; |
| 516 | break; |
| 517 | case GR_GL_MAX_VERTEX_ATTRIBS: |
| 518 | *params = kDefaultMaxVertexAttribs; |
| 519 | break; |
| 520 | case GR_GL_MAX_VARYING_VECTORS: |
| 521 | *params = kDefaultMaxVaryingVectors; |
| 522 | break; |
| 523 | case GR_GL_NUM_EXTENSIONS: { |
| 524 | GrGLint i = 0; |
Brian Salomon | 7fc4a2d | 2017-02-17 20:43:43 -0500 | [diff] [blame^] | 525 | while (fAdvertisedExtensions[i++]); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 526 | *params = i; |
| 527 | break; |
| 528 | } |
| 529 | default: |
| 530 | SkFAIL("Unexpected pname to GetIntegerv"); |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | GrGLvoid getProgramiv(GrGLuint program, GrGLenum pname, GrGLint* params) override { |
| 535 | this->getShaderOrProgramiv(program, pname, params); |
| 536 | } |
| 537 | |
| 538 | GrGLvoid getProgramInfoLog(GrGLuint program, GrGLsizei bufsize, GrGLsizei* length, |
| 539 | char* infolog) override { |
| 540 | this->getInfoLog(program, bufsize, length, infolog); |
| 541 | } |
| 542 | |
| 543 | GrGLvoid getMultisamplefv(GrGLenum pname, GrGLuint index, GrGLfloat* val) override { |
| 544 | val[0] = val[1] = 0.5f; |
| 545 | } |
| 546 | |
| 547 | GrGLvoid getQueryiv(GrGLenum GLtarget, GrGLenum pname, GrGLint *params) override { |
| 548 | switch (pname) { |
| 549 | case GR_GL_CURRENT_QUERY: |
| 550 | *params = 0; |
| 551 | break; |
| 552 | case GR_GL_QUERY_COUNTER_BITS: |
| 553 | *params = 32; |
| 554 | break; |
| 555 | default: |
| 556 | SkFAIL("Unexpected pname passed GetQueryiv."); |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | GrGLvoid getQueryObjecti64v(GrGLuint id, GrGLenum pname, GrGLint64 *params) override { |
bsalomon | 3c48100 | 2016-03-21 09:04:26 -0700 | [diff] [blame] | 561 | this->queryResult(id, pname, params); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | GrGLvoid getQueryObjectiv(GrGLuint id, GrGLenum pname, GrGLint *params) override { |
bsalomon | 3c48100 | 2016-03-21 09:04:26 -0700 | [diff] [blame] | 565 | this->queryResult(id, pname, params); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | GrGLvoid getQueryObjectui64v(GrGLuint id, GrGLenum pname, GrGLuint64 *params) override { |
bsalomon | 3c48100 | 2016-03-21 09:04:26 -0700 | [diff] [blame] | 569 | this->queryResult(id, pname, params); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 570 | } |
| 571 | |
| 572 | GrGLvoid getQueryObjectuiv(GrGLuint id, GrGLenum pname, GrGLuint *params) override { |
bsalomon | 3c48100 | 2016-03-21 09:04:26 -0700 | [diff] [blame] | 573 | this->queryResult(id, pname, params); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 574 | } |
| 575 | |
| 576 | GrGLvoid getShaderiv(GrGLuint shader, GrGLenum pname, GrGLint* params) override { |
| 577 | this->getShaderOrProgramiv(shader, pname, params); |
| 578 | } |
| 579 | |
| 580 | GrGLvoid getShaderInfoLog(GrGLuint shader, GrGLsizei bufsize, GrGLsizei* length, |
| 581 | char* infolog) override { |
| 582 | this->getInfoLog(shader, bufsize, length, infolog); |
| 583 | } |
| 584 | |
| 585 | const GrGLubyte* getString(GrGLenum name) override { |
| 586 | switch (name) { |
| 587 | case GR_GL_EXTENSIONS: |
| 588 | return CombinedExtensionString(); |
| 589 | case GR_GL_VERSION: |
bsalomon | 3c48100 | 2016-03-21 09:04:26 -0700 | [diff] [blame] | 590 | return (const GrGLubyte*)"4.0 Null GL"; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 591 | case GR_GL_SHADING_LANGUAGE_VERSION: |
bsalomon | 3c48100 | 2016-03-21 09:04:26 -0700 | [diff] [blame] | 592 | return (const GrGLubyte*)"4.20.8 Null GLSL"; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 593 | case GR_GL_VENDOR: |
bsalomon | 3c48100 | 2016-03-21 09:04:26 -0700 | [diff] [blame] | 594 | return (const GrGLubyte*)"Null Vendor"; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 595 | case GR_GL_RENDERER: |
bsalomon | 3c48100 | 2016-03-21 09:04:26 -0700 | [diff] [blame] | 596 | return (const GrGLubyte*)"The Null (Non-)Renderer"; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 597 | default: |
| 598 | SkFAIL("Unexpected name passed to GetString"); |
| 599 | return nullptr; |
| 600 | } |
| 601 | } |
| 602 | |
| 603 | const GrGLubyte* getStringi(GrGLenum name, GrGLuint i) override { |
| 604 | switch (name) { |
| 605 | case GR_GL_EXTENSIONS: { |
| 606 | GrGLint count; |
| 607 | this->getIntegerv(GR_GL_NUM_EXTENSIONS, &count); |
| 608 | if ((GrGLint)i <= count) { |
Brian Salomon | 7fc4a2d | 2017-02-17 20:43:43 -0500 | [diff] [blame^] | 609 | return (const GrGLubyte*) fAdvertisedExtensions[i]; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 610 | } else { |
| 611 | return nullptr; |
| 612 | } |
| 613 | } |
| 614 | default: |
| 615 | SkFAIL("Unexpected name passed to GetStringi"); |
| 616 | return nullptr; |
| 617 | } |
| 618 | } |
| 619 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 620 | GrGLint getUniformLocation(GrGLuint program, const char* name) override { |
| 621 | return ++fCurrUniformLocation; |
| 622 | } |
| 623 | |
| 624 | GrGLvoid* mapBufferRange(GrGLenum target, GrGLintptr offset, GrGLsizeiptr length, |
| 625 | GrGLbitfield access) override { |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 626 | GrGLuint id = fBoundBuffers[GetBufferIndex(target)]; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 627 | if (id > 0) { |
| 628 | // We just ignore the offset and length here. |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 629 | Buffer* buffer = fBufferManager.lookUp(id); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 630 | SkASSERT(!buffer->mapped()); |
| 631 | buffer->setMapped(true); |
| 632 | return buffer->dataPtr(); |
| 633 | } |
| 634 | return nullptr; |
| 635 | } |
| 636 | |
| 637 | GrGLvoid* mapBuffer(GrGLenum target, GrGLenum access) override { |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 638 | GrGLuint id = fBoundBuffers[GetBufferIndex(target)]; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 639 | if (id > 0) { |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 640 | Buffer* buffer = fBufferManager.lookUp(id); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 641 | SkASSERT(!buffer->mapped()); |
| 642 | buffer->setMapped(true); |
| 643 | return buffer->dataPtr(); |
| 644 | } |
| 645 | |
| 646 | SkASSERT(false); |
| 647 | return nullptr; // no buffer bound to target |
| 648 | } |
| 649 | |
| 650 | GrGLboolean unmapBuffer(GrGLenum target) override { |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 651 | GrGLuint id = fBoundBuffers[GetBufferIndex(target)]; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 652 | if (id > 0) { |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 653 | Buffer* buffer = fBufferManager.lookUp(id); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 654 | SkASSERT(buffer->mapped()); |
| 655 | buffer->setMapped(false); |
| 656 | return GR_GL_TRUE; |
| 657 | } |
| 658 | |
| 659 | GrAlwaysAssert(false); |
| 660 | return GR_GL_FALSE; // GR_GL_INVALID_OPERATION; |
| 661 | } |
| 662 | |
| 663 | GrGLvoid getBufferParameteriv(GrGLenum target, GrGLenum pname, GrGLint* params) override { |
| 664 | switch (pname) { |
| 665 | case GR_GL_BUFFER_MAPPED: { |
| 666 | *params = GR_GL_FALSE; |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 667 | GrGLuint id = fBoundBuffers[GetBufferIndex(target)]; |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 668 | if (id > 0) { |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 669 | Buffer* buffer = fBufferManager.lookUp(id); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 670 | if (buffer->mapped()) { |
| 671 | *params = GR_GL_TRUE; |
| 672 | } |
| 673 | } |
| 674 | break; } |
| 675 | default: |
| 676 | SkFAIL("Unexpected pname to GetBufferParamateriv"); |
| 677 | break; |
| 678 | } |
Mike Klein | fc6c37b | 2016-09-27 09:34:10 -0400 | [diff] [blame] | 679 | } |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 680 | |
svaisanen | b988ecf | 2016-04-20 00:36:53 -0700 | [diff] [blame] | 681 | // NV_path_rendering |
| 682 | GrGLuint genPaths(GrGLsizei range) override { |
| 683 | return ++fCurrPathID; |
| 684 | } |
| 685 | |
| 686 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 687 | private: |
csmartdalton | 9b972c4 | 2016-06-21 07:55:17 -0700 | [diff] [blame] | 688 | inline int static GetBufferIndex(GrGLenum glTarget) { |
| 689 | switch (glTarget) { |
| 690 | default: SkFAIL("Unexpected GL target to GetBufferIndex"); |
| 691 | case GR_GL_ARRAY_BUFFER: return 0; |
| 692 | case GR_GL_ELEMENT_ARRAY_BUFFER: return 1; |
| 693 | case GR_GL_TEXTURE_BUFFER: return 2; |
| 694 | case GR_GL_DRAW_INDIRECT_BUFFER: return 3; |
| 695 | case GR_GL_PIXEL_PACK_BUFFER: return 4; |
| 696 | case GR_GL_PIXEL_UNPACK_BUFFER: return 5; |
| 697 | } |
| 698 | } |
| 699 | constexpr int static kNumBufferTargets = 6; |
| 700 | |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 701 | TGLObjectManager<Buffer> fBufferManager; |
| 702 | GrGLuint fBoundBuffers[kNumBufferTargets]; |
| 703 | TGLObjectManager<Framebuffer> fFramebufferManager; |
| 704 | GrGLuint fCurrDrawFramebuffer; |
| 705 | GrGLuint fCurrReadFramebuffer; |
| 706 | TGLObjectManager<Renderbuffer> fRenderbufferManager; |
| 707 | GrGLuint fCurrRenderbuffer; |
| 708 | GrGLuint fCurrProgramID; |
| 709 | GrGLuint fCurrShaderID; |
| 710 | GrGLuint fCurrGenericID; |
| 711 | GrGLuint fCurrUniformLocation; |
| 712 | GrGLuint fCurrPathID; |
Hal Canary | 144caf5 | 2016-11-07 17:57:18 -0500 | [diff] [blame] | 713 | sk_sp<const Texture> fSingleTextureObject; |
Brian Salomon | 7fc4a2d | 2017-02-17 20:43:43 -0500 | [diff] [blame^] | 714 | SkTArray<const char*> fAdvertisedExtensions; |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 715 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 716 | // the OpenGLES 2.0 spec says this must be >= 128 |
| 717 | static const GrGLint kDefaultMaxVertexUniformVectors = 128; |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 718 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 719 | // the OpenGLES 2.0 spec says this must be >=16 |
| 720 | static const GrGLint kDefaultMaxFragmentUniformVectors = 16; |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 721 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 722 | // the OpenGLES 2.0 spec says this must be >= 8 |
| 723 | static const GrGLint kDefaultMaxVertexAttribs = 8; |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 724 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 725 | // the OpenGLES 2.0 spec says this must be >= 8 |
| 726 | static const GrGLint kDefaultMaxVaryingVectors = 8; |
bsalomon | 776d355 | 2014-08-14 08:13:27 -0700 | [diff] [blame] | 727 | |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 728 | GrGLuint getBoundFramebufferID(GrGLenum target) { |
| 729 | switch (target) { |
| 730 | case GR_GL_FRAMEBUFFER: |
| 731 | case GR_GL_DRAW_FRAMEBUFFER: |
| 732 | return fCurrDrawFramebuffer; |
| 733 | case GR_GL_READ_FRAMEBUFFER: |
| 734 | return fCurrReadFramebuffer; |
| 735 | default: |
| 736 | SK_ABORT("Invalid framebuffer target."); |
| 737 | return 0; |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | const Texture* getSingleTextureObject() { |
| 742 | // We currently only use FramebufferAttachment objects for a sample count, and all textures |
| 743 | // in Skia have one sample, so there is no need as of yet to track individual textures. This |
| 744 | // also works around a bug in chromium's cc_unittests where they send us texture IDs that |
| 745 | // were generated by cc::TestGLES2Interface. |
| 746 | if (!fSingleTextureObject) { |
| 747 | fSingleTextureObject.reset(new Texture); |
| 748 | } |
Hal Canary | 144caf5 | 2016-11-07 17:57:18 -0500 | [diff] [blame] | 749 | return fSingleTextureObject.get(); |
csmartdalton | b593a76 | 2016-06-23 13:42:13 -0700 | [diff] [blame] | 750 | } |
| 751 | |
svaisanen | b988ecf | 2016-04-20 00:36:53 -0700 | [diff] [blame] | 752 | const GrGLubyte* CombinedExtensionString() { |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 753 | static SkString gExtString; |
| 754 | static SkMutex gMutex; |
| 755 | gMutex.acquire(); |
| 756 | if (0 == gExtString.size()) { |
| 757 | int i = 0; |
Brian Salomon | 7fc4a2d | 2017-02-17 20:43:43 -0500 | [diff] [blame^] | 758 | while (fAdvertisedExtensions[i]) { |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 759 | if (i > 0) { |
| 760 | gExtString.append(" "); |
bsalomon@google.com | 7491372 | 2011-10-27 20:44:19 +0000 | [diff] [blame] | 761 | } |
Brian Salomon | 7fc4a2d | 2017-02-17 20:43:43 -0500 | [diff] [blame^] | 762 | gExtString.append(fAdvertisedExtensions[i]); |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 763 | ++i; |
bsalomon@google.com | 7491372 | 2011-10-27 20:44:19 +0000 | [diff] [blame] | 764 | } |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 765 | } |
| 766 | gMutex.release(); |
| 767 | return (const GrGLubyte*) gExtString.c_str(); |
| 768 | } |
| 769 | |
| 770 | GrGLvoid genGenericIds(GrGLsizei n, GrGLuint* ids) { |
| 771 | for (int i = 0; i < n; ++i) { |
| 772 | ids[i] = ++fCurrGenericID; |
| 773 | } |
| 774 | } |
| 775 | |
| 776 | GrGLvoid getInfoLog(GrGLuint object, GrGLsizei bufsize, GrGLsizei* length, |
| 777 | char* infolog) { |
| 778 | if (length) { |
| 779 | *length = 0; |
| 780 | } |
| 781 | if (bufsize > 0) { |
| 782 | *infolog = 0; |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | GrGLvoid getShaderOrProgramiv(GrGLuint object, GrGLenum pname, GrGLint* params) { |
| 787 | switch (pname) { |
| 788 | case GR_GL_LINK_STATUS: // fallthru |
| 789 | case GR_GL_COMPILE_STATUS: |
| 790 | *params = GR_GL_TRUE; |
| 791 | break; |
| 792 | case GR_GL_INFO_LOG_LENGTH: |
| 793 | *params = 0; |
| 794 | break; |
| 795 | // we don't expect any other pnames |
| 796 | default: |
| 797 | SkFAIL("Unexpected pname to GetProgramiv"); |
| 798 | break; |
| 799 | } |
| 800 | } |
| 801 | |
| 802 | template <typename T> |
| 803 | void queryResult(GrGLenum GLtarget, GrGLenum pname, T *params) { |
| 804 | switch (pname) { |
| 805 | case GR_GL_QUERY_RESULT_AVAILABLE: |
| 806 | *params = GR_GL_TRUE; |
| 807 | break; |
| 808 | case GR_GL_QUERY_RESULT: |
| 809 | *params = 0; |
| 810 | break; |
| 811 | default: |
| 812 | SkFAIL("Unexpected pname passed to GetQueryObject."); |
| 813 | break; |
| 814 | } |
bsalomon@google.com | 7491372 | 2011-10-27 20:44:19 +0000 | [diff] [blame] | 815 | } |
bsalomon | 3c48100 | 2016-03-21 09:04:26 -0700 | [diff] [blame] | 816 | |
| 817 | typedef GrGLTestInterface INHERITED; |
bsalomon@google.com | 7491372 | 2011-10-27 20:44:19 +0000 | [diff] [blame] | 818 | }; |
| 819 | |
bsalomon | b5a94e3 | 2016-03-18 12:07:24 -0700 | [diff] [blame] | 820 | } // anonymous namespace |
commit-bot@chromium.org | c72425a | 2014-01-21 16:09:18 +0000 | [diff] [blame] | 821 | |
svaisanen | b988ecf | 2016-04-20 00:36:53 -0700 | [diff] [blame] | 822 | const GrGLInterface* GrGLCreateNullInterface(bool enableNVPR) { return new NullInterface(enableNVPR); } |