void FECustomFilter::drawFilterMesh(Platform3DObject inputTexture)
{
bool multisample = canUseMultisampleBuffers();
m_context->bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, multisample ? m_multisampleFrameBuffer : m_frameBuffer);
m_context->viewport(0, 0, m_contextSize.width(), m_contextSize.height());
m_context->clearColor(0, 0, 0, 0);
m_context->clear(GraphicsContext3D::COLOR_BUFFER_BIT | GraphicsContext3D::DEPTH_BUFFER_BIT);
m_customFilterRenderer->draw(inputTexture, m_contextSize);
if (multisample)
resolveMultisampleBuffer();
}
void FECustomFilter::drawFilterMesh(Platform3DObject inputTexture)
{
bool multisample = canUseMultisampleBuffers();
m_context->bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, multisample ? m_multisampleFrameBuffer : m_frameBuffer);
m_context->viewport(0, 0, m_contextSize.width(), m_contextSize.height());
m_context->clearColor(0, 0, 0, 0);
m_context->clear(GraphicsContext3D::COLOR_BUFFER_BIT | GraphicsContext3D::DEPTH_BUFFER_BIT);
bindProgramAndBuffers(inputTexture);
m_context->drawElements(GraphicsContext3D::TRIANGLES, m_mesh->indicesCount(), GraphicsContext3D::UNSIGNED_SHORT, 0);
unbindVertexAttributes();
if (multisample)
resolveMultisampleBuffer();
}
bool FECustomFilter::resizeMultisampleBuffers(const IntSize& newContextSize)
{
if (!m_triedMultisampleBuffer && !createMultisampleBuffer())
return false;
if (!canUseMultisampleBuffers())
return false;
static const int kMaxSampleCount = 4;
int maxSupportedSampleCount = 0;
m_context->getIntegerv(Extensions3D::MAX_SAMPLES, &maxSupportedSampleCount);
int sampleCount = std::min(kMaxSampleCount, maxSupportedSampleCount);
if (!sampleCount) {
deleteMultisampleRenderBuffers();
return false;
}
Extensions3D* extensions = m_context->getExtensions();
ASSERT(extensions);
m_context->bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, m_multisampleFrameBuffer);
m_context->bindRenderbuffer(GraphicsContext3D::RENDERBUFFER, m_multisampleRenderBuffer);
extensions->renderbufferStorageMultisample(GraphicsContext3D::RENDERBUFFER, sampleCount, Extensions3D::RGBA8_OES, newContextSize.width(), newContextSize.height());
m_context->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::COLOR_ATTACHMENT0, GraphicsContext3D::RENDERBUFFER, m_multisampleRenderBuffer);
m_context->bindRenderbuffer(GraphicsContext3D::RENDERBUFFER, m_multisampleDepthBuffer);
extensions->renderbufferStorageMultisample(GraphicsContext3D::RENDERBUFFER, sampleCount, GraphicsContext3D::DEPTH_COMPONENT16, newContextSize.width(), newContextSize.height());
m_context->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::DEPTH_ATTACHMENT, GraphicsContext3D::RENDERBUFFER, m_multisampleDepthBuffer);
m_context->bindRenderbuffer(GraphicsContext3D::RENDERBUFFER, 0);
if (m_context->checkFramebufferStatus(GraphicsContext3D::FRAMEBUFFER) != GraphicsContext3D::FRAMEBUFFER_COMPLETE) {
deleteMultisampleRenderBuffers();
return false;
}
return true;
}
