Differential D4830 Diff 21079 source/renderer/backend/gl/Device.cpp

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source/renderer/backend/gl/Device.cpp

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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.		* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/		*/

#include "precompiled.h"		#include "precompiled.h"

#include "Device.h"		#include "Device.h"

#include "lib/external_libraries/libsdl.h"		#include "lib/external_libraries/libsdl.h"
		#include "lib/hash.h"
#include "lib/ogl.h"		#include "lib/ogl.h"
#include "ps/CLogger.h"		#include "ps/CLogger.h"
#include "ps/ConfigDB.h"		#include "ps/ConfigDB.h"
#include "ps/Profile.h"		#include "ps/Profile.h"
#include "renderer/backend/gl/DeviceCommandContext.h"		#include "renderer/backend/gl/DeviceCommandContext.h"
#include "renderer/backend/gl/Texture.h"		#include "renderer/backend/gl/Texture.h"
#include "scriptinterface/JSON.h"		#include "scriptinterface/JSON.h"
#include "scriptinterface/Object.h"		#include "scriptinterface/Object.h"
▲ Show 20 Lines • Show All 322 Lines • ▼ Show 20 Lines	#endif
if (arb)		if (arb)
{		{
#if !CONFIG2_GLES		#if !CONFIG2_GLES
glEnable(GL_VERTEX_PROGRAM_ARB);		glEnable(GL_VERTEX_PROGRAM_ARB);
glEnable(GL_FRAGMENT_PROGRAM_ARB);		glEnable(GL_FRAGMENT_PROGRAM_ARB);
#endif		#endif
}		}

device->m_Backbuffer = CFramebuffer::CreateBackbuffer(device.get());		#if CONFIG2_GLES
		device->m_UseFramebufferInvalidating = ogl_HaveExtension("GL_EXT_discard_framebuffer");
		#else
		device->m_UseFramebufferInvalidating = !arb && ogl_HaveExtension("GL_ARB_invalidate_subdata");
		#endif

Capabilities& capabilities = device->m_Capabilities;		Capabilities& capabilities = device->m_Capabilities;
capabilities.ARBShaders = !ogl_HaveExtensions(0, "GL_ARB_vertex_program", "GL_ARB_fragment_program", nullptr);		capabilities.ARBShaders = !ogl_HaveExtensions(0, "GL_ARB_vertex_program", "GL_ARB_fragment_program", nullptr);
if (capabilities.ARBShaders)		if (capabilities.ARBShaders)
capabilities.ARBShadersShadow = ogl_HaveExtension("GL_ARB_fragment_program_shadow");		capabilities.ARBShadersShadow = ogl_HaveExtension("GL_ARB_fragment_program_shadow");
capabilities.computeShaders = ogl_HaveVersion(4, 3) \|\| ogl_HaveExtension("GL_ARB_compute_shader");		capabilities.computeShaders = ogl_HaveVersion(4, 3) \|\| ogl_HaveExtension("GL_ARB_compute_shader");
#if CONFIG2_GLES		#if CONFIG2_GLES
// Some GLES implementations have GL_EXT_texture_compression_dxt1		// Some GLES implementations have GL_EXT_texture_compression_dxt1
▲ Show 20 Lines • Show All 506 Lines • ▼ Show 20 Lines	std::unique_ptr<ITexture> CDevice::CreateTexture2D(
const Sampler::Desc& defaultSamplerDesc, const uint32_t MIPLevelCount, const uint32_t sampleCount)		const Sampler::Desc& defaultSamplerDesc, const uint32_t MIPLevelCount, const uint32_t sampleCount)
{		{
return CreateTexture(name, CTexture::Type::TEXTURE_2D, usage,		return CreateTexture(name, CTexture::Type::TEXTURE_2D, usage,
format, width, height, defaultSamplerDesc, MIPLevelCount, sampleCount);		format, width, height, defaultSamplerDesc, MIPLevelCount, sampleCount);
}		}

std::unique_ptr<IFramebuffer> CDevice::CreateFramebuffer(		std::unique_ptr<IFramebuffer> CDevice::CreateFramebuffer(
const char* name, ITexture* colorAttachment,		const char* name, ITexture* colorAttachment,
ITexture* depthStencilAttachment)		const AttachmentLoadOp colorAttachmentLoadOp,
{		const AttachmentStoreOp colorAttachmentStoreOp,
return CreateFramebuffer(name, colorAttachment, depthStencilAttachment, CColor(0.0f, 0.0f, 0.0f, 0.0f));		const CColor& clearColor, ITexture* depthStencilAttachment,
}		const AttachmentLoadOp depthStencilAttachmentLoadOp,
		const AttachmentStoreOp depthStencilAttachmentStoreOp)
std::unique_ptr<IFramebuffer> CDevice::CreateFramebuffer(
const char* name, ITexture* colorAttachment,
ITexture* depthStencilAttachment, const CColor& clearColor)
{		{
return CFramebuffer::Create(		return CFramebuffer::Create(
this, name, colorAttachment->As<CTexture>(), depthStencilAttachment->As<CTexture>(), clearColor);		this, name, colorAttachment->As<CTexture>(),
		colorAttachmentLoadOp, colorAttachmentStoreOp,
		clearColor, depthStencilAttachment->As<CTexture>(),
		depthStencilAttachmentLoadOp, depthStencilAttachmentStoreOp);
}		}

std::unique_ptr<IBuffer> CDevice::CreateBuffer(		std::unique_ptr<IBuffer> CDevice::CreateBuffer(
const char* name, const IBuffer::Type type, const uint32_t size, const bool dynamic)		const char* name, const IBuffer::Type type, const uint32_t size, const bool dynamic)
{		{
return CBuffer::Create(this, name, type, size, dynamic);		return CBuffer::Create(this, name, type, size, dynamic);
}		}

std::unique_ptr<IShaderProgram> CDevice::CreateShaderProgram(		std::unique_ptr<IShaderProgram> CDevice::CreateShaderProgram(
const CStr& name, const CShaderDefines& defines)		const CStr& name, const CShaderDefines& defines)
{		{
return CShaderProgram::Create(this, name, defines);		return CShaderProgram::Create(this, name, defines);
}		}

bool CDevice::AcquireNextBackbuffer()		bool CDevice::AcquireNextBackbuffer()
{		{
ENSURE(!m_BackbufferAcquired);		ENSURE(!m_BackbufferAcquired);
m_BackbufferAcquired = true;		m_BackbufferAcquired = true;
return true;		return true;
}		}

		size_t CDevice::BackbufferKeyHash::operator()(const BackbufferKey& key) const
		{
		size_t seed = 0;
		hash_combine(seed, std::get<0>(key));
		hash_combine(seed, std::get<1>(key));
		hash_combine(seed, std::get<2>(key));
		hash_combine(seed, std::get<3>(key));
		return seed;
		}

		IFramebuffer* CDevice::GetCurrentBackbuffer(
		const AttachmentLoadOp colorAttachmentLoadOp,
		const AttachmentStoreOp colorAttachmentStoreOp,
		const AttachmentLoadOp depthStencilAttachmentLoadOp,
		const AttachmentStoreOp depthStencilAttachmentStoreOp)
		{
		const BackbufferKey key{
		colorAttachmentLoadOp, colorAttachmentStoreOp,
		depthStencilAttachmentLoadOp, depthStencilAttachmentStoreOp};
		auto it = m_Backbuffers.find(key);
		if (it == m_Backbuffers.end())
		{
		it = m_Backbuffers.emplace(key, CFramebuffer::CreateBackbuffer(
		this, colorAttachmentLoadOp, colorAttachmentStoreOp,
		depthStencilAttachmentLoadOp, depthStencilAttachmentStoreOp)).first;
		}
		return it->second.get();
		}

void CDevice::Present()		void CDevice::Present()
{		{
ENSURE(m_BackbufferAcquired);		ENSURE(m_BackbufferAcquired);
m_BackbufferAcquired = false;		m_BackbufferAcquired = false;

if (m_Window)		if (m_Window)
{		{
PROFILE3("swap buffers");		PROFILE3("swap buffers");
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