yeet/TSE
SHA256
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 5 Wiki Activity

Added 3D Textures to engine

Browse Source
This commit is contained in:
Mexpert_PRO
2026-03-25 16:28:17 +01:00
parent 6f5873e778
commit f50b68c9ba
8 changed files with 616 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
TSE_OpenGlImpl/src/OpenGLRenderingBackend.cpp
View File

@@ -5,7 +5,7 @@
#include "imgui/imgui.h"
#include "extern/imgui_impl_opengl3.h"
#include "PathHelper.hpp"
#include "elements/Texture.hpp"
#include "interfaces/ITexture.hpp"
#include "TextureHelperOpenGL.hpp"
#include "interfaces/IRenderer.hpp"
#include "BehaviourScripts/Camera.hpp"
@@ -55,7 +55,7 @@ TSE::OpenGL::OpenGLRenderingBackend::~OpenGLRenderingBackend()
void TSE::OpenGL::OpenGLRenderingBackend::InitPreWindow()
{
IRenderTexture::factory = new RenderTextureCreatorOpenGL();
Texture::helper = new TextureHelperOpenGL();
ITexture::helper = new TextureHelperOpenGL();
Camera::helper = new CameraHelperOpenGL();
#if defined(TSE_GLFW)

110
TSE_OpenGlImpl/src/TextureHelperOpenGL.cpp
View File

@@ -18,19 +18,21 @@ void TSE::OpenGL::TextureHelperOpenGL::Apply(Texture *tex)
if(tex->Chanels() == 1)
{
if (tex->bpp() == 8)
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGBA, tex->Width(), tex->Height(), 0, GL_RED, GL_UNSIGNED_BYTE, tex->GetImagePtr());
glTexImage2D(GL_TEXTURE_2D, 0,GL_R8, tex->Width(), tex->Height(), 0, GL_RED, GL_UNSIGNED_BYTE, tex->GetImagePtr());
if (tex->bpp() == 16)
glTexImage2D(GL_TEXTURE_2D, 0, GL_R16I, tex->Width(), tex->Height(), 0, GL_RED, GL_SHORT, tex->GetImagePtr());
}
if(tex->Chanels() == 3)
{
if(tex->bpp() == 24)
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGBA, tex->Width(), tex->Height(), 0, GL_BGR, GL_UNSIGNED_BYTE, tex->GetImagePtr());
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGB, tex->Width(), tex->Height(), 0, GL_BGR, GL_UNSIGNED_BYTE, tex->GetImagePtr());
}
else if(tex->Chanels() == 4)
{
if(tex->bpp() == 32)
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGBA, tex->Width(), tex->Height(), 0, GL_BGRA, GL_UNSIGNED_BYTE, tex->GetImagePtr());
if (tex->bpp() == 8) //need to decode it with bitwise operations in shader
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGBA, tex->Width(), tex->Height(), 0, GL_RED, GL_UNSIGNED_BYTE, tex->GetImagePtr());
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGBA2, tex->Width(), tex->Height(), 0, GL_RED, GL_UNSIGNED_BYTE, tex->GetImagePtr());
}
glGenerateMipmap(GL_TEXTURE_2D);
@@ -59,3 +61,105 @@ void TSE::OpenGL::TextureHelperOpenGL::PlatromDestroy(Texture *tex)
uint id = tex->GetTextureId();
glDeleteTextures(1, &id);
}
void TSE::OpenGL::TextureHelperOpenGL::Bind3D(const VolumeTexture3D *tex)
{
glBindTexture(GL_TEXTURE_3D, tex->GetTextureId());
}
void TSE::OpenGL::TextureHelperOpenGL::UnBind3D(const VolumeTexture3D *tex)
{
glBindTexture(GL_TEXTURE_3D, 0);
}
void TSE::OpenGL::TextureHelperOpenGL::Apply3D(VolumeTexture3D *tex)
{
glBindTexture(GL_TEXTURE_3D, tex->GetTextureId());
ushort internal,input,size;
if(tex->Chanels() == 1)
{
if (tex->bpp() == 8)
{
internal = GL_R8;
input = GL_RED;
size = GL_UNSIGNED_BYTE;
}
if (tex->bpp() == 16)
{
internal = GL_R16I;
input = GL_RED;
size = GL_SHORT;
}
}
if(tex->Chanels() == 3)
{
if(tex->bpp() == 24)
{
internal = GL_RGB;
input = GL_BGR;
size = GL_UNSIGNED_BYTE;
}
}
else if(tex->Chanels() == 4)
{
if(tex->bpp() == 32)
{
internal = GL_RGBA;
input = GL_BGRA;
size = GL_UNSIGNED_BYTE;
}
if (tex->bpp() == 8) //need to decode it with bitwise operations in shader
{
internal = GL_RGBA2;
input = GL_RED;
size = GL_UNSIGNED_BYTE;
}
}
glTexImage3D(GL_TEXTURE_3D, 0, internal, tex->Width(), tex->Height(), tex->Depth(), 0, input, size, nullptr);
for (int z = 0; z < tex->Depth(); ++z)
{
glTexSubImage3D(
GL_TEXTURE_3D,
0,
0,
0,
z,
tex->Width(),
tex->Height(),
1,
input,
size,
tex->GetImagePtr(z)
);
}
glGenerateMipmap(GL_TEXTURE_3D);
glBindTexture(GL_TEXTURE_3D, 0);
}
void TSE::OpenGL::TextureHelperOpenGL::Regist3D(VolumeTexture3D *tex)
{
uint TextureID;
glGenTextures(1, &TextureID);
glBindTexture(GL_TEXTURE_3D, TextureID);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
tex->SetTextureId(TextureID);
tex->Apply();
}
void TSE::OpenGL::TextureHelperOpenGL::PlatromDestroy3D(VolumeTexture3D *tex)
{
uint id = tex->GetTextureId();
glDeleteTextures(1, &id);
}

7
TSE_OpenGlImpl/src/TextureHelperOpenGL.hpp
View File

@@ -2,6 +2,7 @@
#include "interfaces/ITextureHelper.hpp"
#include "elements/Texture.hpp"
#include "elements/VolumeTexture3D.hpp"
namespace TSE::OpenGL
{
@@ -13,5 +14,11 @@ namespace TSE::OpenGL
void Apply(Texture* tex) override;
void Regist(Texture* tex) override;
void PlatromDestroy(Texture* tex) override;
void Bind3D(const VolumeTexture3D* tex) override;
void UnBind3D(const VolumeTexture3D* tex) override;
void Apply3D(VolumeTexture3D* tex) override;
void Regist3D(VolumeTexture3D* tex) override;
void PlatromDestroy3D(VolumeTexture3D* tex) override;
};
} // namespace TSE::OpenGL