52 lines
2.1 KiB
C++
52 lines
2.1 KiB
C++
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#include "ltpch.h"
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#include "glFramebuffer.h"
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#include <glad/glad.h>
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namespace Light {
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glFramebuffer::glFramebuffer(const FramebufferSpecification& specification)
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: m_Specification(specification)
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{
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glCreateFramebuffers(1, &m_BufferID);
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glBindFramebuffer(GL_FRAMEBUFFER, m_BufferID);
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// create color attachment
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glCreateTextures(GL_TEXTURE_2D, 1, &m_ColorAttachment);
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glBindTexture(GL_TEXTURE_2D, m_ColorAttachment);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, m_Specification.width, m_Specification.height, NULL, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
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glTextureParameteri(m_ColorAttachment, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTextureParameteri(m_ColorAttachment, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_ColorAttachment, 0);
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// glTextureStorage2D(m_ColorAttachment, 0, GL_RGBA8, m_Specification.width, m_Specification.height);
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// glCreateTextures(GL_TEXTURE_2D, 1, &m_DepthStencilAttachment);
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// glBindTexture(GL_TEXTURE_2D, m_DepthStencilAttachment);
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// glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, m_Specification.width, m_Specification.height, NULL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, nullptr);
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// // glTextureStorage2D(m_DepthStencilAttachment, 0, GL_DEPTH24_STENCIL8, m_Specification.width, m_Specification.height);
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// glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_DepthStencilAttachment, 0);
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LT_ENGINE_ASSERT((glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE), "glFramebuffer::Validate: framebuffer is incomplete");
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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}
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glFramebuffer::~glFramebuffer()
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{
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glDeleteFramebuffers(1, &m_BufferID);
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}
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void glFramebuffer::BindAsTarget()
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{
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glBindFramebuffer(GL_FRAMEBUFFER, m_BufferID);
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glClearColor(m_Specification.defaultColor.r, m_Specification.defaultColor.g, m_Specification.defaultColor.b, m_Specification.defaultColor.a);
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glClear(GL_COLOR_BUFFER_BIT);
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}
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void glFramebuffer::BindAsResource()
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{
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LT_ENGINE_ERROR("glFramebuffer::BindAsResource: NO_IMPLEMENT!");
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}
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}
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