Support GL_SAMPLES queries in null contexts
BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2085043002 Review-Url: https://codereview.chromium.org/2085043002
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@ -6,19 +6,97 @@
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*/
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#include "GrNonAtomicRef.h"
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#include "gl/GrGLInterface.h"
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#include "GrGLTestInterface.h"
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#include "SkMutex.h"
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#include "SkTDArray.h"
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#include <type_traits>
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// added to suppress 'no previous prototype' warning and because this code is duplicated in
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// SkNullGLContext.cpp
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namespace {
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class BufferObj {
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class GLObject : public GrNonAtomicRef<GLObject> {
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public:
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BufferObj(GrGLuint id) : fID(id), fDataPtr(nullptr), fSize(0), fMapped(false) {}
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~BufferObj() { delete[] fDataPtr; }
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GLObject(GrGLuint id) : fID(id) {}
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GrGLuint id() const { return fID; }
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private:
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GrGLuint fID;
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};
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// This class maintains a sparsely populated array of object pointers.
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template<typename T> class TGLObjectManager {
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static_assert(std::is_convertible<T*, GLObject*>::value, "T must be a subclass of GLObject");
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public:
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TGLObjectManager() : fFreeListHead(kFreeListEnd) {
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*fGLObjects.append() = nullptr; // 0 is not a valid GL object id.
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}
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~TGLObjectManager() {
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// nullptr out the entries that are really free list links rather than ptrs before deleting.
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intptr_t curr = fFreeListHead;
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while (kFreeListEnd != curr) {
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intptr_t next = reinterpret_cast<intptr_t>(fGLObjects[SkToS32(curr)]);
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fGLObjects[SkToS32(curr)] = nullptr;
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curr = next;
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}
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fGLObjects.safeUnrefAll();
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}
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T* lookUp(GrGLuint id) {
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T* object = fGLObjects[id];
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SkASSERT(object && object->id() == id);
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return object;
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}
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T* create() {
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GrGLuint id;
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T* object;
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if (kFreeListEnd == fFreeListHead) {
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// no free slots - create a new one
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id = fGLObjects.count();
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object = new T(id);
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*fGLObjects.append() = object;
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} else {
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// grab the head of the free list and advance the head to the next free slot.
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id = static_cast<GrGLuint>(fFreeListHead);
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fFreeListHead = reinterpret_cast<intptr_t>(fGLObjects[id]);
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object = new T(id);
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fGLObjects[id] = object;
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}
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return object;
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}
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void free(T* object) {
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SkASSERT(object);
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SkASSERT(fGLObjects.count() > 0);
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GrGLuint id = object->id();
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object->unref();
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fGLObjects[id] = reinterpret_cast<T*>(fFreeListHead);
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fFreeListHead = id;
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}
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private:
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static const intptr_t kFreeListEnd = -1;
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// Index of the first entry of fGLObjects in the free list. Free slots in fGLObjects are indices
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// to the next free slot. The last free slot has a value of kFreeListEnd.
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intptr_t fFreeListHead;
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SkTDArray<T*> fGLObjects;
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};
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class Buffer : public GLObject {
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public:
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Buffer(GrGLuint id) : INHERITED(id), fDataPtr(nullptr), fSize(0), fMapped(false) {}
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~Buffer() { delete[] fDataPtr; }
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void allocate(GrGLsizeiptr size, const GrGLchar* dataPtr) {
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if (fDataPtr) {
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@ -30,7 +108,6 @@ public:
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fDataPtr = new char[size];
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}
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GrGLuint id() const { return fID; }
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GrGLchar* dataPtr() { return fDataPtr; }
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GrGLsizeiptr size() const { return fSize; }
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@ -38,82 +115,107 @@ public:
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bool mapped() const { return fMapped; }
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private:
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GrGLuint fID;
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GrGLchar* fDataPtr;
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GrGLsizeiptr fSize; // size in bytes
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bool fMapped;
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typedef GLObject INHERITED;
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};
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// This class maintains a sparsely populated array of buffer pointers.
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class BufferManager {
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class FramebufferAttachment : public GLObject {
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public:
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BufferManager() : fFreeListHead(kFreeListEnd) {
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*fBuffers.append() = nullptr; // 0 is not a valid GL buffer id.
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}
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FramebufferAttachment(int id) : INHERITED(id), fNumSamples(1) {}
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int numSamples() const { return fNumSamples; }
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~BufferManager() {
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// nullptr out the entries that are really free list links rather than ptrs before deleting.
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intptr_t curr = fFreeListHead;
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while (kFreeListEnd != curr) {
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intptr_t next = reinterpret_cast<intptr_t>(fBuffers[SkToS32(curr)]);
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fBuffers[SkToS32(curr)] = nullptr;
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curr = next;
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protected:
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int fNumSamples;
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typedef GLObject INHERITED;
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};
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class Renderbuffer : public FramebufferAttachment {
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public:
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Renderbuffer(int id) : INHERITED(id) {}
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void setNumSamples(int numSamples) { fNumSamples = numSamples; }
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private:
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typedef FramebufferAttachment INHERITED;
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};
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class Texture : public FramebufferAttachment {
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public:
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Texture(int id) : INHERITED(id) {}
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private:
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typedef FramebufferAttachment INHERITED;
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};
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class Framebuffer : public GLObject {
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public:
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Framebuffer(int id) : INHERITED(id) {}
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void setAttachment(GrGLenum attachmentPoint, const FramebufferAttachment* attachment) {
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switch (attachmentPoint) {
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default:
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SK_ABORT("Invalid framebuffer attachment.");
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break;
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case GR_GL_STENCIL_ATTACHMENT:
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fAttachments[(int)AttachmentPoint::kStencil].reset(SkRef(attachment));
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break;
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case GR_GL_DEPTH_ATTACHMENT:
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fAttachments[(int)AttachmentPoint::kDepth].reset(SkRef(attachment));
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break;
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case GR_GL_COLOR_ATTACHMENT0:
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fAttachments[(int)AttachmentPoint::kColor].reset(SkRef(attachment));
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break;
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}
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fBuffers.deleteAll();
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}
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BufferObj* lookUp(GrGLuint id) {
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BufferObj* buffer = fBuffers[id];
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SkASSERT(buffer && buffer->id() == id);
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return buffer;
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}
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BufferObj* create() {
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GrGLuint id;
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BufferObj* buffer;
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if (kFreeListEnd == fFreeListHead) {
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// no free slots - create a new one
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id = fBuffers.count();
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buffer = new BufferObj(id);
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*fBuffers.append() = buffer;
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} else {
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// grab the head of the free list and advance the head to the next free slot.
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id = static_cast<GrGLuint>(fFreeListHead);
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fFreeListHead = reinterpret_cast<intptr_t>(fBuffers[id]);
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buffer = new BufferObj(id);
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fBuffers[id] = buffer;
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void notifyAttachmentDeleteWhileBound(const FramebufferAttachment* deleted) {
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for (auto& attachment : fAttachments) {
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if (attachment == deleted) {
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attachment.reset(nullptr);
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}
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}
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return buffer;
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}
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void free(BufferObj* buffer) {
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SkASSERT(buffer);
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SkASSERT(fBuffers.count() > 0);
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GrGLuint id = buffer->id();
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delete buffer;
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fBuffers[id] = reinterpret_cast<BufferObj*>(fFreeListHead);
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fFreeListHead = id;
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int numSamples() const {
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int numSamples = 0;
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for (auto& attachment : fAttachments) {
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if (!attachment) {
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continue;
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}
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if (numSamples) {
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GrAlwaysAssert(attachment->numSamples() == numSamples);
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continue;
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}
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numSamples = attachment->numSamples();
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}
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GrAlwaysAssert(numSamples);
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return numSamples;
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}
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private:
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static const intptr_t kFreeListEnd = -1;
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// Index of the first entry of fBuffers in the free list. Free slots in fBuffers are indices to
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// the next free slot. The last free slot has a value of kFreeListEnd.
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intptr_t fFreeListHead;
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SkTDArray<BufferObj*> fBuffers;
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enum AttachmentPoint {
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kStencil,
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kDepth,
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kColor
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};
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constexpr int static kNumAttachmentPoints = 1 + (int)AttachmentPoint::kColor;
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SkAutoTUnref<const FramebufferAttachment> fAttachments[kNumAttachmentPoints];
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typedef GLObject INHERITED;
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};
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/** Null interface implementation */
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class NullInterface : public GrGLTestInterface {
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public:
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NullInterface(bool enableNVPR)
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: fCurrProgramID(0)
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: fCurrDrawFramebuffer(0)
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, fCurrReadFramebuffer(0)
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, fCurrRenderbuffer(0)
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, fCurrProgramID(0)
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, fCurrShaderID(0)
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, fCurrGenericID(0)
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, fCurrUniformLocation(0)
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@ -140,7 +242,7 @@ public:
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GrGLvoid genBuffers(GrGLsizei n, GrGLuint* ids) override {
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for (int i = 0; i < n; ++i) {
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BufferObj* buffer = fBufferManager.create();
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Buffer* buffer = fBufferManager.create();
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ids[i] = buffer->id();
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}
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}
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@ -149,7 +251,7 @@ public:
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GrGLenum usage) override {
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GrGLuint id = fBoundBuffers[GetBufferIndex(target)];
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if (id > 0) {
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BufferObj* buffer = fBufferManager.lookUp(id);
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Buffer* buffer = fBufferManager.lookUp(id);
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buffer->allocate(size, (const GrGLchar*) data);
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}
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}
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@ -184,24 +286,193 @@ public:
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// Then actually "delete" the buffers.
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for (int i = 0; i < n; ++i) {
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if (ids[i] > 0) {
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BufferObj* buffer = fBufferManager.lookUp(ids[i]);
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Buffer* buffer = fBufferManager.lookUp(ids[i]);
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fBufferManager.free(buffer);
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}
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}
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}
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GrGLvoid genFramebuffers(GrGLsizei n, GrGLuint *framebuffers) override {
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this->genGenericIds(n, framebuffers);
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for (int i = 0; i < n; ++i) {
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Framebuffer* framebuffer = fFramebufferManager.create();
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framebuffers[i] = framebuffer->id();
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}
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}
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GrGLvoid bindFramebuffer(GrGLenum target, GrGLuint framebuffer) override {
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SkASSERT(GR_GL_FRAMEBUFFER == target || GR_GL_DRAW_FRAMEBUFFER == target ||
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GR_GL_READ_FRAMEBUFFER == target);
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if (GR_GL_READ_FRAMEBUFFER != target) {
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fCurrDrawFramebuffer = framebuffer;
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}
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if (GR_GL_DRAW_FRAMEBUFFER != target) {
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fCurrReadFramebuffer = framebuffer;
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}
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}
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GrGLvoid deleteFramebuffers(GrGLsizei n, const GrGLuint* ids) override {
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for (int i = 0; i < n; ++i) {
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if (ids[i] == fCurrDrawFramebuffer) {
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fCurrDrawFramebuffer = 0;
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}
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if (ids[i] == fCurrReadFramebuffer) {
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fCurrReadFramebuffer = 0;
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}
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if (ids[i] > 0) {
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Framebuffer* framebuffer = fFramebufferManager.lookUp(ids[i]);
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fFramebufferManager.free(framebuffer);
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}
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}
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}
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GrGLvoid genQueries(GrGLsizei n, GrGLuint *ids) override { this->genGenericIds(n, ids); }
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GrGLvoid genRenderbuffers(GrGLsizei n, GrGLuint *renderbuffers) override {
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this->genGenericIds(n, renderbuffers);
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for (int i = 0; i < n; ++i) {
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Renderbuffer* renderbuffer = fRenderbufferManager.create();
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renderbuffers[i] = renderbuffer->id();
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}
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}
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GrGLvoid bindRenderbuffer(GrGLenum target, GrGLuint renderbuffer) override {
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SkASSERT(GR_GL_RENDERBUFFER == target);
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fCurrRenderbuffer = renderbuffer;
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}
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GrGLvoid deleteRenderbuffers(GrGLsizei n, const GrGLuint* ids) override {
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for (int i = 0; i < n; ++i) {
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if (ids[i] <= 0) {
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continue;
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}
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if (ids[i] == fCurrRenderbuffer) {
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fCurrRenderbuffer = 0;
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}
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Renderbuffer* renderbuffer = fRenderbufferManager.lookUp(ids[i]);
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if (fCurrDrawFramebuffer) {
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Framebuffer* drawFramebuffer = fFramebufferManager.lookUp(fCurrDrawFramebuffer);
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drawFramebuffer->notifyAttachmentDeleteWhileBound(renderbuffer);
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}
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if (fCurrReadFramebuffer) {
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Framebuffer* readFramebuffer = fFramebufferManager.lookUp(fCurrReadFramebuffer);
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readFramebuffer->notifyAttachmentDeleteWhileBound(renderbuffer);
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}
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fRenderbufferManager.free(renderbuffer);
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}
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}
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GrGLvoid renderbufferStorage(GrGLenum target, GrGLenum internalformat, GrGLsizei width,
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GrGLsizei height) override {
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GrAlwaysAssert(GR_GL_RENDERBUFFER == target);
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GrAlwaysAssert(fCurrRenderbuffer);
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Renderbuffer* renderbuffer = fRenderbufferManager.lookUp(fCurrRenderbuffer);
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renderbuffer->setNumSamples(1);
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}
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GrGLvoid renderbufferStorageMultisample(GrGLenum target, GrGLsizei samples,
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GrGLenum internalformat, GrGLsizei width,
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GrGLsizei height) override {
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GrAlwaysAssert(GR_GL_RENDERBUFFER == target);
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GrAlwaysAssert(samples > 0);
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GrAlwaysAssert(fCurrRenderbuffer);
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Renderbuffer* renderbuffer = fRenderbufferManager.lookUp(fCurrRenderbuffer);
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renderbuffer->setNumSamples(samples);
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}
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GrGLvoid namedRenderbufferStorage(GrGLuint renderbuffer, GrGLenum GrGLinternalformat,
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GrGLsizei width, GrGLsizei height) override {
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SK_ABORT("Not implemented");
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}
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GrGLvoid namedRenderbufferStorageMultisample(GrGLuint renderbuffer, GrGLsizei samples,
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GrGLenum GrGLinternalformat, GrGLsizei width,
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GrGLsizei height) override {
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SK_ABORT("Not implemented");
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}
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GrGLvoid framebufferRenderbuffer(GrGLenum target, GrGLenum attachment,
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GrGLenum renderbuffertarget,
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GrGLuint renderBufferID) override {
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GrGLuint id = this->getBoundFramebufferID(target);
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GrAlwaysAssert(id);
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Framebuffer* framebuffer = fFramebufferManager.lookUp(id);
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GrAlwaysAssert(GR_GL_RENDERBUFFER == renderbuffertarget);
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GrAlwaysAssert(fCurrRenderbuffer);
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Renderbuffer* renderbuffer = fRenderbufferManager.lookUp(fCurrRenderbuffer);
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framebuffer->setAttachment(attachment, renderbuffer);
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}
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GrGLvoid namedFramebufferRenderbuffer(GrGLuint framebuffer, GrGLenum attachment,
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GrGLenum renderbuffertarget,
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GrGLuint renderbuffer) override {
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SK_ABORT("Not implemented");
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}
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GrGLvoid genTextures(GrGLsizei n, GrGLuint *textures) override {
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this->genGenericIds(n, textures);
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for (int i = 0; i < n; ++i) {
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Texture* texture = fTextureManager.create();
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textures[i] = texture->id();
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}
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}
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GrGLvoid deleteTextures(GrGLsizei n, const GrGLuint* ids) override {
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for (int i = 0; i < n; ++i) {
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if (ids[i] <= 0) {
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continue;
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}
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Texture* texture = fTextureManager.lookUp(ids[i]);
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if (fCurrDrawFramebuffer) {
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Framebuffer* drawFramebuffer = fFramebufferManager.lookUp(fCurrDrawFramebuffer);
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drawFramebuffer->notifyAttachmentDeleteWhileBound(texture);
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}
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if (fCurrReadFramebuffer) {
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Framebuffer* readFramebuffer = fFramebufferManager.lookUp(fCurrReadFramebuffer);
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readFramebuffer->notifyAttachmentDeleteWhileBound(texture);
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}
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fTextureManager.free(texture);
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}
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}
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GrGLvoid framebufferTexture2D(GrGLenum target, GrGLenum attachment, GrGLenum textarget,
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GrGLuint textureID, GrGLint level) override {
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GrGLuint id = this->getBoundFramebufferID(target);
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GrAlwaysAssert(id);
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Framebuffer* framebuffer = fFramebufferManager.lookUp(id);
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GrAlwaysAssert(GR_GL_TEXTURE_2D == textarget);
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Texture* texture = fTextureManager.lookUp(textureID);
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framebuffer->setAttachment(attachment, texture);
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}
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GrGLvoid framebufferTexture2DMultisample(GrGLenum target, GrGLenum attachment,
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GrGLenum textarget, GrGLuint texture, GrGLint level,
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GrGLsizei samples) override {
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SK_ABORT("Not implemented");
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}
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GrGLvoid namedFramebufferTexture1D(GrGLuint framebuffer, GrGLenum attachment,
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GrGLenum textarget, GrGLuint texture,
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GrGLint level) override {
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SK_ABORT("Not implemented");
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}
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GrGLvoid namedFramebufferTexture2D(GrGLuint framebuffer, GrGLenum attachment,
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GrGLenum textarget, GrGLuint texture,
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GrGLint level) override {
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SK_ABORT("Not implemented");
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}
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GrGLvoid namedFramebufferTexture3D(GrGLuint framebuffer, GrGLenum attachment,
|
||||
GrGLenum textarget, GrGLuint texture, GrGLint level,
|
||||
GrGLint zoffset) override {
|
||||
SK_ABORT("Not implemented");
|
||||
}
|
||||
|
||||
GrGLvoid genVertexArrays(GrGLsizei n, GrGLuint *arrays) override {
|
||||
@ -220,9 +491,12 @@ public:
|
||||
case GR_GL_STENCIL_BITS:
|
||||
*params = 8;
|
||||
break;
|
||||
case GR_GL_SAMPLES:
|
||||
*params = 1;
|
||||
case GR_GL_SAMPLES: {
|
||||
GrAlwaysAssert(fCurrDrawFramebuffer);
|
||||
Framebuffer* framebuffer = fFramebufferManager.lookUp(fCurrDrawFramebuffer);
|
||||
*params = framebuffer->numSamples();
|
||||
break;
|
||||
}
|
||||
case GR_GL_FRAMEBUFFER_BINDING:
|
||||
*params = 0;
|
||||
break;
|
||||
@ -376,7 +650,7 @@ public:
|
||||
GrGLuint id = fBoundBuffers[GetBufferIndex(target)];
|
||||
if (id > 0) {
|
||||
// We just ignore the offset and length here.
|
||||
BufferObj* buffer = fBufferManager.lookUp(id);
|
||||
Buffer* buffer = fBufferManager.lookUp(id);
|
||||
SkASSERT(!buffer->mapped());
|
||||
buffer->setMapped(true);
|
||||
return buffer->dataPtr();
|
||||
@ -387,7 +661,7 @@ public:
|
||||
GrGLvoid* mapBuffer(GrGLenum target, GrGLenum access) override {
|
||||
GrGLuint id = fBoundBuffers[GetBufferIndex(target)];
|
||||
if (id > 0) {
|
||||
BufferObj* buffer = fBufferManager.lookUp(id);
|
||||
Buffer* buffer = fBufferManager.lookUp(id);
|
||||
SkASSERT(!buffer->mapped());
|
||||
buffer->setMapped(true);
|
||||
return buffer->dataPtr();
|
||||
@ -400,7 +674,7 @@ public:
|
||||
GrGLboolean unmapBuffer(GrGLenum target) override {
|
||||
GrGLuint id = fBoundBuffers[GetBufferIndex(target)];
|
||||
if (id > 0) {
|
||||
BufferObj* buffer = fBufferManager.lookUp(id);
|
||||
Buffer* buffer = fBufferManager.lookUp(id);
|
||||
SkASSERT(buffer->mapped());
|
||||
buffer->setMapped(false);
|
||||
return GR_GL_TRUE;
|
||||
@ -416,7 +690,7 @@ public:
|
||||
*params = GR_GL_FALSE;
|
||||
GrGLuint id = fBoundBuffers[GetBufferIndex(target)];
|
||||
if (id > 0) {
|
||||
BufferObj* buffer = fBufferManager.lookUp(id);
|
||||
Buffer* buffer = fBufferManager.lookUp(id);
|
||||
if (buffer->mapped()) {
|
||||
*params = GR_GL_TRUE;
|
||||
}
|
||||
@ -448,14 +722,20 @@ private:
|
||||
}
|
||||
constexpr int static kNumBufferTargets = 6;
|
||||
|
||||
BufferManager fBufferManager;
|
||||
GrGLuint fBoundBuffers[kNumBufferTargets];
|
||||
GrGLuint fCurrProgramID;
|
||||
GrGLuint fCurrShaderID;
|
||||
GrGLuint fCurrGenericID;
|
||||
GrGLuint fCurrUniformLocation;
|
||||
GrGLuint fCurrPathID;
|
||||
SkTArray<const char*> fExtensions;
|
||||
TGLObjectManager<Buffer> fBufferManager;
|
||||
GrGLuint fBoundBuffers[kNumBufferTargets];
|
||||
TGLObjectManager<Framebuffer> fFramebufferManager;
|
||||
GrGLuint fCurrDrawFramebuffer;
|
||||
GrGLuint fCurrReadFramebuffer;
|
||||
TGLObjectManager<Renderbuffer> fRenderbufferManager;
|
||||
GrGLuint fCurrRenderbuffer;
|
||||
TGLObjectManager<Texture> fTextureManager;
|
||||
GrGLuint fCurrProgramID;
|
||||
GrGLuint fCurrShaderID;
|
||||
GrGLuint fCurrGenericID;
|
||||
GrGLuint fCurrUniformLocation;
|
||||
GrGLuint fCurrPathID;
|
||||
SkTArray<const char*> fExtensions;
|
||||
|
||||
// the OpenGLES 2.0 spec says this must be >= 128
|
||||
static const GrGLint kDefaultMaxVertexUniformVectors = 128;
|
||||
@ -469,6 +749,19 @@ private:
|
||||
// the OpenGLES 2.0 spec says this must be >= 8
|
||||
static const GrGLint kDefaultMaxVaryingVectors = 8;
|
||||
|
||||
GrGLuint getBoundFramebufferID(GrGLenum target) {
|
||||
switch (target) {
|
||||
case GR_GL_FRAMEBUFFER:
|
||||
case GR_GL_DRAW_FRAMEBUFFER:
|
||||
return fCurrDrawFramebuffer;
|
||||
case GR_GL_READ_FRAMEBUFFER:
|
||||
return fCurrReadFramebuffer;
|
||||
default:
|
||||
SK_ABORT("Invalid framebuffer target.");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
const GrGLubyte* CombinedExtensionString() {
|
||||
static SkString gExtString;
|
||||
static SkMutex gMutex;
|
||||
|
@ -373,6 +373,34 @@ public:
|
||||
}
|
||||
}
|
||||
|
||||
GrGLvoid renderbufferStorage(GrGLenum target, GrGLenum internalformat, GrGLsizei width,
|
||||
GrGLsizei height) override {
|
||||
GrAlwaysAssert(GR_GL_RENDERBUFFER == target);
|
||||
GrRenderBufferObj* renderBuffer = this->getRenderBuffer();
|
||||
GrAlwaysAssert(renderBuffer);
|
||||
renderBuffer->setNumSamples(1);
|
||||
}
|
||||
|
||||
GrGLvoid renderbufferStorageMultisample(GrGLenum target, GrGLsizei samples,
|
||||
GrGLenum internalformat, GrGLsizei width,
|
||||
GrGLsizei height) override {
|
||||
GrAlwaysAssert(GR_GL_RENDERBUFFER == target);
|
||||
GrRenderBufferObj* renderBuffer = this->getRenderBuffer();
|
||||
GrAlwaysAssert(renderBuffer);
|
||||
renderBuffer->setNumSamples(samples);
|
||||
}
|
||||
|
||||
GrGLvoid namedRenderbufferStorage(GrGLuint renderbuffer, GrGLenum GrGLinternalformat,
|
||||
GrGLsizei width, GrGLsizei height) override {
|
||||
SK_ABORT("Not implemented");
|
||||
}
|
||||
|
||||
GrGLvoid namedRenderbufferStorageMultisample(GrGLuint renderbuffer, GrGLsizei samples,
|
||||
GrGLenum GrGLinternalformat, GrGLsizei width,
|
||||
GrGLsizei height) override {
|
||||
SK_ABORT("Not implemented");
|
||||
}
|
||||
|
||||
GrGLvoid framebufferRenderbuffer(GrGLenum target,
|
||||
GrGLenum attachment,
|
||||
GrGLenum renderbuffertarget,
|
||||
@ -410,6 +438,12 @@ public:
|
||||
|
||||
}
|
||||
|
||||
GrGLvoid namedFramebufferRenderbuffer(GrGLuint framebuffer, GrGLenum attachment,
|
||||
GrGLenum renderbuffertarget,
|
||||
GrGLuint renderbuffer) override {
|
||||
SK_ABORT("Not implemented");
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
GrGLvoid framebufferTexture2D(GrGLenum target, GrGLenum attachment, GrGLenum textarget,
|
||||
GrGLuint textureID, GrGLint level) override {
|
||||
@ -450,6 +484,30 @@ public:
|
||||
};
|
||||
}
|
||||
|
||||
GrGLvoid framebufferTexture2DMultisample(GrGLenum target, GrGLenum attachment,
|
||||
GrGLenum textarget, GrGLuint texture, GrGLint level,
|
||||
GrGLsizei samples) override {
|
||||
SK_ABORT("Not implemented");
|
||||
}
|
||||
|
||||
GrGLvoid namedFramebufferTexture1D(GrGLuint framebuffer, GrGLenum attachment,
|
||||
GrGLenum textarget, GrGLuint texture,
|
||||
GrGLint level) override {
|
||||
SK_ABORT("Not implemented");
|
||||
}
|
||||
|
||||
GrGLvoid namedFramebufferTexture2D(GrGLuint framebuffer, GrGLenum attachment,
|
||||
GrGLenum textarget, GrGLuint texture,
|
||||
GrGLint level) override {
|
||||
SK_ABORT("Not implemented");
|
||||
}
|
||||
|
||||
GrGLvoid namedFramebufferTexture3D(GrGLuint framebuffer, GrGLenum attachment,
|
||||
GrGLenum textarget, GrGLuint texture, GrGLint level,
|
||||
GrGLint zoffset) override {
|
||||
SK_ABORT("Not implemented");
|
||||
}
|
||||
|
||||
GrGLuint createProgram() override {
|
||||
|
||||
GrProgramObj *program = CREATE(GrProgramObj, kProgram_ObjTypes);
|
||||
@ -530,9 +588,26 @@ public:
|
||||
case GR_GL_STENCIL_BITS:
|
||||
*params = 8;
|
||||
break;
|
||||
case GR_GL_SAMPLES:
|
||||
*params = 1;
|
||||
case GR_GL_SAMPLES: {
|
||||
GrFrameBufferObj* framebuffer = this->getFrameBuffer();
|
||||
GrAlwaysAssert(framebuffer);
|
||||
int numSamples = 0;
|
||||
|
||||
if (GrFBBindableObj* stencil = framebuffer->getStencil()) {
|
||||
numSamples = stencil->numSamples();
|
||||
}
|
||||
if (GrFBBindableObj* depth = framebuffer->getDepth()) {
|
||||
GrAlwaysAssert(!numSamples || numSamples == depth->numSamples());
|
||||
numSamples = depth->numSamples();
|
||||
}
|
||||
if (GrFBBindableObj* color = framebuffer->getColor()) {
|
||||
GrAlwaysAssert(!numSamples || numSamples == color->numSamples());
|
||||
numSamples = color->numSamples();
|
||||
}
|
||||
GrAlwaysAssert(numSamples);
|
||||
*params = numSamples;
|
||||
break;
|
||||
}
|
||||
case GR_GL_FRAMEBUFFER_BINDING:
|
||||
*params = 0;
|
||||
break;
|
||||
|
@ -18,7 +18,8 @@ class GrFBBindableObj : public GrFakeRefObj {
|
||||
|
||||
public:
|
||||
GrFBBindableObj()
|
||||
: GrFakeRefObj() {
|
||||
: GrFakeRefObj()
|
||||
, fNumSamples(1) {
|
||||
}
|
||||
|
||||
virtual ~GrFBBindableObj() {
|
||||
@ -75,8 +76,11 @@ public:
|
||||
return 0 != fStencilReferees.count();
|
||||
}
|
||||
|
||||
int numSamples() { return fNumSamples; }
|
||||
|
||||
protected:
|
||||
int fNumSamples;
|
||||
|
||||
private:
|
||||
SkTDArray<GrFakeRefObj *> fColorReferees; // frame buffers that use this as a color buffer (via "glFramebufferRenderbuffer" or "glFramebufferTexture2D")
|
||||
SkTDArray<GrFakeRefObj *> fDepthReferees; // frame buffers that use this as a depth buffer (via "glFramebufferRenderbuffer" or "glFramebufferTexture2D")
|
||||
|
@ -30,6 +30,11 @@ public:
|
||||
this->INHERITED::deleteAction();
|
||||
}
|
||||
|
||||
void setNumSamples(int numSamples) {
|
||||
GrAlwaysAssert(numSamples > 0);
|
||||
fNumSamples = numSamples;
|
||||
}
|
||||
|
||||
protected:
|
||||
private:
|
||||
bool fBound; // is this render buffer currently bound via "glBindRenderbuffer"?
|
||||
|
Loading…
Reference in New Issue
Block a user