From bdce95a31bb6c0bd6d077e9031e0a6aba906cd4b Mon Sep 17 00:00:00 2001
From: lewa_j <lewa.j20@gmail.com>
Date: Sun, 11 Jan 2026 00:50:44 +0300
Subject: [PATCH] ref: dx2: implement FreeTexture

---
 ref/dx2/r_context.c |  8 +++++++-
 ref/dx2/r_image.c   | 39 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/ref/dx2/r_context.c b/ref/dx2/r_context.c
index 50b8678f..b87ac6ae 100644
--- a/ref/dx2/r_context.c
+++ b/ref/dx2/r_context.c
@@ -190,6 +190,10 @@ static qboolean D3D_InitDevice()
 	search.dwSize = sizeof(search);
 	search.dwFlags = D3DFDS_COLORMODEL;
 	search.dcmColorModel = D3DCOLOR_RGB;
+#if 0
+	search.dwFlags |= D3DFDS_HARDWARE;
+	search.bHardware = FALSE;
+#endif
 	D3DFINDDEVICERESULT result = { 0 };
 	memset(&result, 0, sizeof(result));
 	result.dwSize = sizeof(result);
@@ -319,6 +323,8 @@ static qboolean R_Init( void )
 
 void R_Shutdown(void)
 {
+	gEngfuncs.Con_Printf("ref: R_Shutdown()\n");
+
 	Mem_FreePool(&r_temppool);
 
 	gEngfuncs.R_Free_Video();
@@ -516,7 +522,7 @@ static void R_DrawStretchPic( float x, float y, float w, float h, float s1, floa
 	}
 #else
 
-#define DX2_CREATE_EB 1
+#define DX2_CREATE_EB 0
 
 	if (!dxc.pd3dd)
 		return;
diff --git a/ref/dx2/r_image.c b/ref/dx2/r_image.c
index 9046deae..c2b1e894 100644
--- a/ref/dx2/r_image.c
+++ b/ref/dx2/r_image.c
@@ -718,6 +718,45 @@ void GL_FreeTexture(unsigned int texnum)
 		return;
 
 	gEngfuncs.Con_Printf("GL_FreeTexture(%d) %s\n", texnum, dx_textures[texnum].name);
+
+	dx_texture_t* tex = R_GetTexture(texnum);
+	if (!tex->dds)
+		return;
+
+	// debug
+	if (!tex->name[0])
+	{
+		gEngfuncs.Con_Printf(S_ERROR "%s: trying to free unnamed texture with handle %X\n", __func__, tex->d3dHandle);
+		return;
+	}
+
+	// remove from hash table
+	dx_texture_t **prev = &dx_texturesHashTable[tex->hashValue];
+
+	while (1)
+	{
+		dx_texture_t *cur = *prev;
+		if (!cur) break;
+
+		if (cur == tex)
+		{
+			*prev = cur->nextHash;
+			break;
+		}
+		prev = &cur->nextHash;
+	}
+
+	// TODO invalidate texture state
+
+	// release source
+	if (tex->original)
+		gEngfuncs.FS_FreeImage(tex->original);
+
+	if (tex->d3dTex)
+		IDirect3DTexture_Release(tex->d3dTex);
+	if (tex->dds)
+		IDirectDrawSurface_Release(tex->dds);
+	memset(tex, 0, sizeof(*tex));
 }
 
 void R_OverrideTextureSourceSize(unsigned int textnum, unsigned int srcWidth, unsigned int srcHeight)