Example #1
0
GrGLBuffer::GrGLBuffer(GrGLGpu* gpu, size_t size, GrGpuBufferType intendedType,
                       GrAccessPattern accessPattern, const void* data)
        : INHERITED(gpu, size, intendedType, accessPattern)
        , fIntendedType(intendedType)
        , fBufferID(0)
        , fUsage(gr_to_gl_access_pattern(intendedType, accessPattern))
        , fGLSizeInBytes(0)
        , fHasAttachedToTexture(false) {
    GL_CALL(GenBuffers(1, &fBufferID));
    if (fBufferID) {
        GrGLenum target = gpu->bindBuffer(fIntendedType, this);
        CLEAR_ERROR_BEFORE_ALLOC(gpu->glInterface());
        // make sure driver can allocate memory for this buffer
        GL_ALLOC_CALL(gpu->glInterface(), BufferData(target,
                                                     (GrGLsizeiptr) size,
                                                     data,
                                                     fUsage));
        if (CHECK_ALLOC_ERROR(gpu->glInterface()) != GR_GL_NO_ERROR) {
            GL_CALL(DeleteBuffers(1, &fBufferID));
            fBufferID = 0;
        } else {
            fGLSizeInBytes = size;
        }
    }
    VALIDATE();
    this->registerWithCache(SkBudgeted::kYes);
    if (!fBufferID) {
        this->resourcePriv().removeScratchKey();
    }
}
Example #2
0
GrGLBuffer::GrGLBuffer(GrGLGpu* gpu, size_t size, GrBufferType intendedType,
                       GrAccessPattern accessPattern, bool cpuBacked, const void* data)
    : INHERITED(gpu, size, intendedType, accessPattern, cpuBacked),
      fCPUData(nullptr),
      fIntendedType(intendedType),
      fBufferID(0),
      fSizeInBytes(size),
      fUsage(gr_to_gl_access_pattern(intendedType, accessPattern)),
      fGLSizeInBytes(0),
      fHasAttachedToTexture(false) {
    if (this->isCPUBacked()) {
        // Core profile uses vertex array objects, which disallow client side arrays.
        SkASSERT(!gpu->glCaps().isCoreProfile());
        if (gpu->caps()->mustClearUploadedBufferData()) {
            fCPUData = sk_calloc_throw(fSizeInBytes);
        } else {
            fCPUData = sk_malloc_flags(fSizeInBytes, SK_MALLOC_THROW);
        }
        if (data) {
            memcpy(fCPUData, data, fSizeInBytes);
        }
    } else {
        GL_CALL(GenBuffers(1, &fBufferID));
        if (fBufferID) {
            GrGLenum target = gpu->bindBuffer(fIntendedType, this);
            CLEAR_ERROR_BEFORE_ALLOC(gpu->glInterface());
            // make sure driver can allocate memory for this buffer
            GL_ALLOC_CALL(gpu->glInterface(), BufferData(target,
                                                         (GrGLsizeiptr) fSizeInBytes,
                                                         data,
                                                         fUsage));
            if (CHECK_ALLOC_ERROR(gpu->glInterface()) != GR_GL_NO_ERROR) {
                GL_CALL(DeleteBuffers(1, &fBufferID));
                fBufferID = 0;
            } else {
                fGLSizeInBytes = fSizeInBytes;
            }
        }
    }
    VALIDATE();
    this->registerWithCache(SkBudgeted::kYes);
}