Differential D4830 Diff 21113 source/renderer/backend/gl/DeviceCommandContext.cpp

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source/renderer/backend/gl/DeviceCommandContext.cpp

Show First 20 Lines • Show All 144 Lines • ▼ Show 20 Lines	if (glUnmapBufferARB(target) == GL_TRUE)
break;		break;

// Unmap might fail on e.g. resolution switches, so just try again		// Unmap might fail on e.g. resolution switches, so just try again
// and hope it will eventually succeed		// and hope it will eventually succeed
LOGMESSAGE("glUnmapBuffer failed, trying again...\n");		LOGMESSAGE("glUnmapBuffer failed, trying again...\n");
}		}
}		}

		/**
		* In case we don't need a framebuffer content (because of the following clear
		* or overwriting by a shader) we might give a hint to a driver via
		* glInvalidateFramebuffer.
		*/
		void InvalidateFramebuffer(
		CFramebuffer* framebuffer, const bool color, const bool depthStencil)
		{
		GLsizei numberOfAttachments = 0;
		GLenum attachments[8];
		const bool isBackbuffer = framebuffer->GetHandle() == 0;
		if (color && (framebuffer->GetAttachmentMask() & GL_COLOR_BUFFER_BIT))
		{
		if (isBackbuffer)
		#if CONFIG2_GLES
		attachments[numberOfAttachments++] = GL_COLOR_EXT;
		#else
		attachments[numberOfAttachments++] = GL_COLOR;
		#endif
		else
		attachments[numberOfAttachments++] = GL_COLOR_ATTACHMENT0;
		}
		if (depthStencil)
		{
		if (isBackbuffer)
		{
		if (framebuffer->GetAttachmentMask() & GL_DEPTH_BUFFER_BIT)
		#if CONFIG2_GLES
		attachments[numberOfAttachments++] = GL_DEPTH_EXT;
		#else
		attachments[numberOfAttachments++] = GL_DEPTH;
		#endif
		if (framebuffer->GetAttachmentMask() & GL_STENCIL_BUFFER_BIT)
		#if CONFIG2_GLES
		attachments[numberOfAttachments++] = GL_STENCIL_EXT;
		#else
		attachments[numberOfAttachments++] = GL_STENCIL;
		#endif
		}
		else
		{
		if (framebuffer->GetAttachmentMask() & GL_DEPTH_BUFFER_BIT)
		attachments[numberOfAttachments++] = GL_DEPTH_ATTACHMENT;
		if (framebuffer->GetAttachmentMask() & GL_STENCIL_BUFFER_BIT)
		attachments[numberOfAttachments++] = GL_STENCIL_ATTACHMENT;
		}
		}

		if (numberOfAttachments > 0)
		{
		#if CONFIG2_GLES
		glDiscardFramebufferEXT(GL_FRAMEBUFFER_EXT, numberOfAttachments, attachments);
		#else
		glInvalidateFramebuffer(GL_FRAMEBUFFER_EXT, numberOfAttachments, attachments);
		#endif
		ogl_WarnIfError();
		}
		}

} // anonymous namespace		} // anonymous namespace

// static		// static
std::unique_ptr<CDeviceCommandContext> CDeviceCommandContext::Create(CDevice* device)		std::unique_ptr<CDeviceCommandContext> CDeviceCommandContext::Create(CDevice* device)
{		{
std::unique_ptr<CDeviceCommandContext> deviceCommandContext(new CDeviceCommandContext(device));		std::unique_ptr<CDeviceCommandContext> deviceCommandContext(new CDeviceCommandContext(device));
deviceCommandContext->m_Framebuffer = static_cast<CFramebuffer*>(device->GetCurrentBackbuffer());		deviceCommandContext->m_Framebuffer = device->GetCurrentBackbuffer(
		Renderer::Backend::AttachmentLoadOp::DONT_CARE,
		Renderer::Backend::AttachmentStoreOp::DONT_CARE,
		Renderer::Backend::AttachmentLoadOp::DONT_CARE,
		Renderer::Backend::AttachmentStoreOp::DONT_CARE)->As<CFramebuffer>();
deviceCommandContext->ResetStates();		deviceCommandContext->ResetStates();
return deviceCommandContext;		return deviceCommandContext;
}		}

CDeviceCommandContext::CDeviceCommandContext(CDevice* device)		CDeviceCommandContext::CDeviceCommandContext(CDevice* device)
: m_Device(device)		: m_Device(device)
{		{
glActiveTexture(GL_TEXTURE0);		glActiveTexture(GL_TEXTURE0);
▲ Show 20 Lines • Show All 310 Lines • ▼ Show 20 Lines	void CDeviceCommandContext::Flush()
BindBuffer(CBuffer::Type::INDEX, nullptr);		BindBuffer(CBuffer::Type::INDEX, nullptr);
BindBuffer(CBuffer::Type::VERTEX, nullptr);		BindBuffer(CBuffer::Type::VERTEX, nullptr);
}		}

void CDeviceCommandContext::ResetStates()		void CDeviceCommandContext::ResetStates()
{		{
SetGraphicsPipelineStateImpl(MakeDefaultGraphicsPipelineStateDesc(), true);		SetGraphicsPipelineStateImpl(MakeDefaultGraphicsPipelineStateDesc(), true);
SetScissors(0, nullptr);		SetScissors(0, nullptr);
m_Framebuffer = static_cast<CFramebuffer*>(m_Device->GetCurrentBackbuffer());		m_Framebuffer = m_Device->GetCurrentBackbuffer(
		Renderer::Backend::AttachmentLoadOp::DONT_CARE,
		Renderer::Backend::AttachmentStoreOp::DONT_CARE,
		Renderer::Backend::AttachmentLoadOp::DONT_CARE,
		Renderer::Backend::AttachmentStoreOp::DONT_CARE)->As<CFramebuffer>();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_Framebuffer->GetHandle());		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_Framebuffer->GetHandle());
ogl_WarnIfError();		ogl_WarnIfError();
}		}

void CDeviceCommandContext::SetGraphicsPipelineStateImpl(		void CDeviceCommandContext::SetGraphicsPipelineStateImpl(
const GraphicsPipelineStateDesc& pipelineStateDesc, const bool force)		const GraphicsPipelineStateDesc& pipelineStateDesc, const bool force)
{		{
ENSURE(!m_InsidePass);		ENSURE(!m_InsidePass);
▲ Show 20 Lines • Show All 261 Lines • ▼ Show 20 Lines	glBlitFramebufferEXT(
0, 0, sourceFramebuffer->GetWidth(), sourceFramebuffer->GetHeight(),		0, 0, sourceFramebuffer->GetWidth(), sourceFramebuffer->GetHeight(),
0, 0, sourceFramebuffer->GetWidth(), sourceFramebuffer->GetHeight(),		0, 0, sourceFramebuffer->GetWidth(), sourceFramebuffer->GetHeight(),
(sourceFramebuffer->GetAttachmentMask() & destinationFramebuffer->GetAttachmentMask()),		(sourceFramebuffer->GetAttachmentMask() & destinationFramebuffer->GetAttachmentMask()),
GL_NEAREST);		GL_NEAREST);
ogl_WarnIfError();		ogl_WarnIfError();
#endif		#endif
}		}

void CDeviceCommandContext::ClearFramebuffer()
{
ClearFramebuffer(true, true, true);
}

void CDeviceCommandContext::ClearFramebuffer(const bool color, const bool depth, const bool stencil)		void CDeviceCommandContext::ClearFramebuffer(const bool color, const bool depth, const bool stencil)
{		{
		ENSURE(m_InsideFramebufferPass);
const bool needsColor = color && (m_Framebuffer->GetAttachmentMask() & GL_COLOR_BUFFER_BIT) != 0;		const bool needsColor = color && (m_Framebuffer->GetAttachmentMask() & GL_COLOR_BUFFER_BIT) != 0;
const bool needsDepth = depth && (m_Framebuffer->GetAttachmentMask() & GL_DEPTH_BUFFER_BIT) != 0;		const bool needsDepth = depth && (m_Framebuffer->GetAttachmentMask() & GL_DEPTH_BUFFER_BIT) != 0;
const bool needsStencil = stencil && (m_Framebuffer->GetAttachmentMask() & GL_STENCIL_BUFFER_BIT) != 0;		const bool needsStencil = stencil && (m_Framebuffer->GetAttachmentMask() & GL_STENCIL_BUFFER_BIT) != 0;
GLbitfield mask = 0;		GLbitfield mask = 0;
if (needsColor)		if (needsColor)
{		{
ApplyColorMask(ColorWriteMask::RED \| ColorWriteMask::GREEN \| ColorWriteMask::BLUE \| ColorWriteMask::ALPHA);		ApplyColorMask(ColorWriteMask::RED \| ColorWriteMask::GREEN \| ColorWriteMask::BLUE \| ColorWriteMask::ALPHA);
glClearColor(		glClearColor(
Show All 27 Lines
{		{
ENSURE(!m_InsideFramebufferPass);		ENSURE(!m_InsideFramebufferPass);
m_InsideFramebufferPass = true;		m_InsideFramebufferPass = true;
ENSURE(framebuffer);		ENSURE(framebuffer);
m_Framebuffer = framebuffer->As<CFramebuffer>();		m_Framebuffer = framebuffer->As<CFramebuffer>();
ENSURE(m_Framebuffer->GetHandle() == 0 \|\| (m_Framebuffer->GetWidth() > 0 && m_Framebuffer->GetHeight() > 0));		ENSURE(m_Framebuffer->GetHandle() == 0 \|\| (m_Framebuffer->GetWidth() > 0 && m_Framebuffer->GetHeight() > 0));
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_Framebuffer->GetHandle());		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_Framebuffer->GetHandle());
ogl_WarnIfError();		ogl_WarnIfError();
		if (m_Device->UseFramebufferInvalidating())
		{
		InvalidateFramebuffer(
		m_Framebuffer,
		m_Framebuffer->GetColorAttachmentLoadOp() != AttachmentLoadOp::LOAD,
		m_Framebuffer->GetDepthStencilAttachmentLoadOp() != AttachmentLoadOp::LOAD);
		}
		const bool needsClearColor =
		m_Framebuffer->GetColorAttachmentLoadOp() == AttachmentLoadOp::CLEAR;
		const bool needsClearDepthStencil =
		m_Framebuffer->GetDepthStencilAttachmentLoadOp() == AttachmentLoadOp::CLEAR;
		if (needsClearColor \|\| needsClearDepthStencil)
		{
		ClearFramebuffer(
		needsClearColor, needsClearDepthStencil, needsClearDepthStencil);
		}
}		}

void CDeviceCommandContext::EndFramebufferPass()		void CDeviceCommandContext::EndFramebufferPass()
{		{
		if (m_Device->UseFramebufferInvalidating())
		{
		InvalidateFramebuffer(
		m_Framebuffer,
		m_Framebuffer->GetColorAttachmentStoreOp() != AttachmentStoreOp::STORE,
		m_Framebuffer->GetDepthStencilAttachmentStoreOp() != AttachmentStoreOp::STORE);
		}
ENSURE(m_InsideFramebufferPass);		ENSURE(m_InsideFramebufferPass);
m_InsideFramebufferPass = false;		m_InsideFramebufferPass = false;
m_Framebuffer = static_cast<CFramebuffer*>(m_Device->GetCurrentBackbuffer());		CFramebuffer* framebuffer = m_Device->GetCurrentBackbuffer(
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_Framebuffer->GetHandle());		Renderer::Backend::AttachmentLoadOp::DONT_CARE,
		Renderer::Backend::AttachmentStoreOp::DONT_CARE,
		Renderer::Backend::AttachmentLoadOp::DONT_CARE,
		Renderer::Backend::AttachmentStoreOp::DONT_CARE)->As<CFramebuffer>();
		if (framebuffer->GetHandle() != m_Framebuffer->GetHandle())
		{
		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, framebuffer->GetHandle());
ogl_WarnIfError();		ogl_WarnIfError();
}		}
		m_Framebuffer = framebuffer;
		}

void CDeviceCommandContext::ReadbackFramebufferSync(		void CDeviceCommandContext::ReadbackFramebufferSync(
const uint32_t x, const uint32_t y, const uint32_t width, const uint32_t height,		const uint32_t x, const uint32_t y, const uint32_t width, const uint32_t height,
void* data)		void* data)
{		{
ENSURE(m_Framebuffer);		ENSURE(m_Framebuffer);
glReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, data);		glReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, data);
ogl_WarnIfError();		ogl_WarnIfError();
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