110 lines
2.5 KiB
C++
110 lines
2.5 KiB
C++
// Copyright (C) 2020 Jérôme Leclercq
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// This file is part of the "Nazara Engine - OpenGL Renderer"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/OpenGLRenderer/OpenGLTexture.hpp>
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#include <Nazara/Core/CallOnExit.hpp>
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#include <Nazara/Utility/PixelFormat.hpp>
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#include <stdexcept>
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#include <vma/vk_mem_alloc.h>
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#include <Nazara/OpenGLRenderer/Debug.hpp>
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namespace Nz
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{
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OpenGLTexture::OpenGLTexture(OpenGLDevice& device, const TextureInfo& params) :
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m_params(params)
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{
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if (!m_texture.Create(device))
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throw std::runtime_error("failed to create texture object");
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auto format = DescribeTextureFormat(params.pixelFormat);
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if (!format)
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throw std::runtime_error("unsupported texture format");
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switch (params.type)
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{
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case ImageType_1D:
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break;
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case ImageType_1D_Array:
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break;
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case ImageType_2D:
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for (unsigned int level = 0; level < m_params.mipmapLevel; ++level)
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m_texture.TexImage2D(0, format->internalFormat, GetLevelSize(params.width, level), GetLevelSize(params.height, level), 0, format->format, format->type);
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break;
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case ImageType_2D_Array:
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break;
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case ImageType_3D:
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break;
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case ImageType_Cubemap:
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break;
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default:
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break;
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}
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m_texture.SetParameteri(GL_TEXTURE_MAX_LEVEL, m_params.mipmapLevel);
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m_texture.SetParameteri(GL_TEXTURE_SWIZZLE_R, format->swizzleR);
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m_texture.SetParameteri(GL_TEXTURE_SWIZZLE_G, format->swizzleG);
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m_texture.SetParameteri(GL_TEXTURE_SWIZZLE_B, format->swizzleB);
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m_texture.SetParameteri(GL_TEXTURE_SWIZZLE_A, format->swizzleA);
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}
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PixelFormat OpenGLTexture::GetFormat() const
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{
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return m_params.pixelFormat;
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}
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UInt8 OpenGLTexture::GetLevelCount() const
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{
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return m_params.mipmapLevel;
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}
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Vector3ui OpenGLTexture::GetSize(UInt8 level) const
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{
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return Vector3ui(GetLevelSize(m_params.width, level), GetLevelSize(m_params.height, level), GetLevelSize(m_params.depth, level));
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}
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ImageType OpenGLTexture::GetType() const
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{
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return m_params.type;
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}
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bool OpenGLTexture::Update(const void* ptr)
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{
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auto format = DescribeTextureFormat(m_params.pixelFormat);
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assert(format);
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switch (m_params.type)
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{
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case ImageType_1D:
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break;
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case ImageType_1D_Array:
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break;
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case ImageType_2D:
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m_texture.TexSubImage2D(0, 0, 0, m_params.width, m_params.height, format->format, format->type, ptr);
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break;
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case ImageType_2D_Array:
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break;
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case ImageType_3D:
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break;
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case ImageType_Cubemap:
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break;
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default:
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break;
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}
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return true;
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}
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}
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