From 051abd04e4527095ef15412939450fbe504daebe Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 26 Oct 2021 19:33:40 +0800
Subject: +texture & imagedata

---
 Runtime/Graphics/Texture.cpp | 69 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)

(limited to 'Runtime/Graphics/Texture.cpp')

diff --git a/Runtime/Graphics/Texture.cpp b/Runtime/Graphics/Texture.cpp
index e69de29..ce09927 100644
--- a/Runtime/Graphics/Texture.cpp
+++ b/Runtime/Graphics/Texture.cpp
@@ -0,0 +1,69 @@
+#include "ImageData.h"
+#include "Texture.h"
+
+using namespace LuaBind;
+
+Texture::Texture(LuaBind::VM* vm, TextureSetting setting, ImageData* imgData)
+    : NativeClass<Texture>(vm)
+{
+    m_Width = imgData->width;
+    m_Height = imgData->height;
+    m_Type = setting.type;
+    m_Format = setting.format;
+    m_WrapMode = setting.wrapMode;
+    m_FilterMode = setting.filterMode;
+    m_KeepPixelData = setting.keepImageData;
+
+    glGenTextures(1, &m_GPUID);
+    glBindTexture(GL_TEXTURE_2D, m_GPUID);
+    
+    switch (m_WrapMode) {
+        case ETextureWrapMode::Clamp:
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);	
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+            break;
+        case ETextureWrapMode::Repeat:
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);	
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+            break;
+        case ETextureWrapMode::Mirror:
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
+            break;
+        default:
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+            break;
+    }
+
+    switch (m_FilterMode) {
+        case ETextureFilterMode::Linear:
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+            break;
+        case ETextureFilterMode::Nearest:
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+            break;
+        default:
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+            break;
+    }
+
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, imgData->width, imgData->height, 0, GL_RGB, GL_UNSIGNED_BYTE, imgData->pixels);
+
+    // keep image data ? 
+    if (m_KeepPixelData)
+    {
+        LuaBind::State state = vm->GetCurThread();
+        imgData->PushUserdata(state);
+        SetMemberRef(state, m_ImageData, -1);
+        state.Pop(1);
+    }
+}
+
+Texture::~Texture()
+{
+    glDeleteTextures(1, &m_GPUID);
+}
\ No newline at end of file
-- 
cgit v1.1-26-g67d0