diff --git a/miniwin/src/d3drm/backends/sdl3gpu/renderer.cpp b/miniwin/src/d3drm/backends/sdl3gpu/renderer.cpp
index 0cbec886..7ad35f61 100644
--- a/miniwin/src/d3drm/backends/sdl3gpu/renderer.cpp
+++ b/miniwin/src/d3drm/backends/sdl3gpu/renderer.cpp
@@ -269,6 +269,11 @@ void Direct3DRMSDL3GPURenderer::SetProjection(D3DRMMATRIX4D perspective, D3DVALU
 	memcpy(&m_uniforms.perspective, perspective, sizeof(D3DRMMATRIX4D));
 }
 
+Uint32 Direct3DRMSDL3GPURenderer::GetTextureId(IDirect3DRMTexture* texture)
+{
+	return NO_TEXTURE_ID;
+}
+
 DWORD Direct3DRMSDL3GPURenderer::GetWidth()
 {
 	return m_width;
diff --git a/miniwin/src/d3drm/backends/software/renderer.cpp b/miniwin/src/d3drm/backends/software/renderer.cpp
index 227b701b..05c51043 100644
--- a/miniwin/src/d3drm/backends/software/renderer.cpp
+++ b/miniwin/src/d3drm/backends/software/renderer.cpp
@@ -1,5 +1,6 @@
 #include "d3drmrenderer.h"
 #include "d3drmrenderer_software.h"
+#include "ddsurface_impl.h"
 #include "miniwin.h"
 
 #include <SDL3/SDL.h>
@@ -240,6 +241,32 @@ void Direct3DRMSoftwareRenderer::DrawTriangleProjected(
 	SDL_Color c1 = ApplyLighting(v1);
 	SDL_Color c2 = ApplyLighting(v2);
 
+	SDL_Surface* texture = nullptr;
+	Uint32 texId = v0.texId;
+	if (texId != NO_TEXTURE_ID) {
+		texture = m_textures[texId];
+		if (texture && SDL_LockSurface(texture)) {
+			// Pointer to first pixel data
+			Uint8* pixelAddr = static_cast<Uint8*>(texture->pixels);
+
+			Uint32 pixel;
+			memcpy(&pixel, pixelAddr, m_bytesPerPixel);
+
+			Uint8 r, g, b, a;
+			SDL_GetRGBA(pixel, m_format, m_palette, &r, &g, &b, &a);
+
+			// TODO use the UV to read out and blend texels on the triangle
+			c0.r = r;
+			c0.g = g;
+			c0.b = b;
+			c0.a = a;
+			c1 = c0;
+			c2 = c0;
+
+			SDL_UnlockSurface(texture);
+		}
+	}
+
 	Uint8* pixels = (Uint8*) m_backbuffer->pixels;
 	int pitch = m_backbuffer->pitch;
 
@@ -284,6 +311,55 @@ void Direct3DRMSoftwareRenderer::DrawTriangleProjected(
 	}
 }
 
+struct TextureDestroyContext {
+	Direct3DRMSoftwareRenderer* renderer;
+	Uint32 textureId;
+};
+
+void Direct3DRMSoftwareRenderer::AddTextureDestroyCallback(Uint32 id, IDirect3DRMTexture* texture)
+{
+	auto* ctx = new TextureDestroyContext{this, id};
+	texture->AddDestroyCallback(
+		[](IDirect3DRMObject* obj, void* arg) {
+			auto* ctx = static_cast<TextureDestroyContext*>(arg);
+			auto& sufRef = ctx->renderer->m_textures[ctx->textureId];
+			SDL_DestroySurface(sufRef);
+			sufRef = nullptr;
+			delete ctx;
+		},
+		ctx
+	);
+}
+
+Uint32 Direct3DRMSoftwareRenderer::GetTextureId(IDirect3DRMTexture* iTexture)
+{
+	auto texture = static_cast<Direct3DRMTextureImpl*>(iTexture);
+	auto surface = static_cast<DirectDrawSurfaceImpl*>(texture->m_surface);
+	SDL_Surface* convertedRender = SDL_ConvertSurface(surface->m_surface, m_backbuffer->format);
+	// Check if already mapped
+	for (Uint32 i = 0; i < m_textures.size(); ++i) {
+		if (m_textures[i] == convertedRender) {
+			return i;
+		}
+	}
+
+	// Reuse freed slot
+	for (Uint32 i = 0; i < m_textures.size(); ++i) {
+		auto& texRef = m_textures[i];
+		if (texRef == nullptr) {
+			texRef = convertedRender;
+			AddTextureDestroyCallback(i, texture);
+			return i;
+		}
+	}
+
+	// Append new
+	Uint32 newId = static_cast<Uint32>(m_textures.size());
+	m_textures.push_back(convertedRender);
+	AddTextureDestroyCallback(newId, texture);
+	return newId;
+}
+
 DWORD Direct3DRMSoftwareRenderer::GetWidth()
 {
 	return m_width;
diff --git a/miniwin/src/d3drm/d3drmmesh.cpp b/miniwin/src/d3drm/d3drmmesh.cpp
index ac852478..b515e981 100644
--- a/miniwin/src/d3drm/d3drmmesh.cpp
+++ b/miniwin/src/d3drm/d3drmmesh.cpp
@@ -153,8 +153,13 @@ HRESULT Direct3DRMMeshImpl::SetGroupTexture(DWORD groupIndex, IDirect3DRMTexture
 		return DDERR_INVALIDPARAMS;
 	}
 
+	auto& group = m_groups[groupIndex];
+	if (group.texture) {
+		group.texture->Release();
+	}
+
 	texture->AddRef();
-	m_groups[groupIndex].texture = texture;
+	group.texture = texture;
 	return DD_OK;
 }
 
diff --git a/miniwin/src/d3drm/d3drmtexture.cpp b/miniwin/src/d3drm/d3drmtexture.cpp
index 77c5e391..4d53d5d4 100644
--- a/miniwin/src/d3drm/d3drmtexture.cpp
+++ b/miniwin/src/d3drm/d3drmtexture.cpp
@@ -27,6 +27,6 @@ HRESULT Direct3DRMTextureImpl::Changed(BOOL pixels, BOOL palette)
 	if (!m_surface) {
 		return DDERR_GENERIC;
 	}
-	MINIWIN_NOT_IMPLEMENTED();
+	m_version++;
 	return DD_OK;
 }
diff --git a/miniwin/src/d3drm/d3drmviewport.cpp b/miniwin/src/d3drm/d3drmviewport.cpp
index 4dffea61..40636da0 100644
--- a/miniwin/src/d3drm/d3drmviewport.cpp
+++ b/miniwin/src/d3drm/d3drmviewport.cpp
@@ -221,6 +221,13 @@ HRESULT Direct3DRMViewportImpl::CollectSceneData()
 
 						D3DCOLOR color = mesh->GetGroupColor(gi);
 						D3DRMRENDERQUALITY quality = mesh->GetGroupQuality(gi);
+						IDirect3DRMTexture* texture = nullptr;
+						mesh->GetGroupTexture(gi, &texture);
+						Uint32 texId = NO_TEXTURE_ID;
+						if (texture) {
+							texId = m_renderer->GetTextureId(texture);
+							texture->Release();
+						}
 
 						for (DWORD fi = 0; fi < faceCount; ++fi) {
 							D3DVECTOR norm;
@@ -277,6 +284,7 @@ HRESULT Direct3DRMViewportImpl::CollectSceneData()
 								vtx.g = (color >> 8) & 0xFF;
 								vtx.b = (color >> 0) & 0xFF;
 								vtx.a = (color >> 24) & 0xFF;
+								vtx.texId = texId;
 								verts.push_back(vtx);
 							}
 						}
diff --git a/miniwin/src/ddraw/ddsurface.cpp b/miniwin/src/ddraw/ddsurface.cpp
index d76ebd4a..5c8ee6db 100644
--- a/miniwin/src/ddraw/ddsurface.cpp
+++ b/miniwin/src/ddraw/ddsurface.cpp
@@ -216,7 +216,7 @@ HRESULT DirectDrawSurfaceImpl::Lock(
 		return DDERR_GENERIC;
 	}
 
-	if (SDL_LockSurface(m_surface) < 0) {
+	if (!SDL_LockSurface(m_surface)) {
 		return DDERR_GENERIC;
 	}
 
diff --git a/miniwin/src/internal/d3drmrenderer.h b/miniwin/src/internal/d3drmrenderer.h
index d00a8035..7be78a32 100644
--- a/miniwin/src/internal/d3drmrenderer.h
+++ b/miniwin/src/internal/d3drmrenderer.h
@@ -4,10 +4,13 @@
 
 #include <SDL3/SDL.h>
 
+#define NO_TEXTURE_ID 0xffffffff
+
 typedef struct PositionColorVertex {
 	float x, y, z;
 	float nx, ny, nz;
 	Uint8 r, g, b, a;
+	Uint32 texId = NO_TEXTURE_ID;
 } PositionColorVertex;
 
 struct FColor {
@@ -28,6 +31,7 @@ class Direct3DRMRenderer : public IDirect3DDevice2 {
 	virtual void PushVertices(const PositionColorVertex* vertices, size_t count) = 0;
 	virtual void PushLights(const SceneLight* vertices, size_t count) = 0;
 	virtual void SetProjection(D3DRMMATRIX4D perspective, D3DVALUE front, D3DVALUE back) = 0;
+	virtual Uint32 GetTextureId(IDirect3DRMTexture* texture) = 0;
 	virtual DWORD GetWidth() = 0;
 	virtual DWORD GetHeight() = 0;
 	virtual void GetDesc(D3DDEVICEDESC* halDesc, D3DDEVICEDESC* helDesc) = 0;
diff --git a/miniwin/src/internal/d3drmrenderer_sdl3gpu.h b/miniwin/src/internal/d3drmrenderer_sdl3gpu.h
index c7b9d88a..92359861 100644
--- a/miniwin/src/internal/d3drmrenderer_sdl3gpu.h
+++ b/miniwin/src/internal/d3drmrenderer_sdl3gpu.h
@@ -22,6 +22,7 @@ class Direct3DRMSDL3GPURenderer : public Direct3DRMRenderer {
 	void SetBackbuffer(SDL_Surface* backbuffer) override;
 	void PushVertices(const PositionColorVertex* vertices, size_t count) override;
 	void PushLights(const SceneLight* vertices, size_t count) override;
+	Uint32 GetTextureId(IDirect3DRMTexture* texture) override;
 	void SetProjection(D3DRMMATRIX4D perspective, D3DVALUE front, D3DVALUE back) override;
 	DWORD GetWidth() override;
 	DWORD GetHeight() override;
diff --git a/miniwin/src/internal/d3drmrenderer_software.h b/miniwin/src/internal/d3drmrenderer_software.h
index b322aa49..08675adb 100644
--- a/miniwin/src/internal/d3drmrenderer_software.h
+++ b/miniwin/src/internal/d3drmrenderer_software.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "d3drmrenderer.h"
+#include "d3drmtexture_impl.h"
 
 #include <SDL3/SDL.h>
 #include <cstddef>
@@ -14,6 +15,7 @@ class Direct3DRMSoftwareRenderer : public Direct3DRMRenderer {
 	void SetBackbuffer(SDL_Surface* backbuffer) override;
 	void PushVertices(const PositionColorVertex* vertices, size_t count) override;
 	void PushLights(const SceneLight* vertices, size_t count) override;
+	Uint32 GetTextureId(IDirect3DRMTexture* texture) override;
 	void SetProjection(D3DRMMATRIX4D perspective, D3DVALUE front, D3DVALUE back) override;
 	DWORD GetWidth() override;
 	DWORD GetHeight() override;
@@ -32,6 +34,7 @@ class Direct3DRMSoftwareRenderer : public Direct3DRMRenderer {
 	void ProjectVertex(const PositionColorVertex&, float&, float&, float&) const;
 	void BlendPixel(Uint8* pixelAddr, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
 	SDL_Color ApplyLighting(const PositionColorVertex& vertex);
+	void AddTextureDestroyCallback(Uint32 id, IDirect3DRMTexture* texture);
 
 	DWORD m_width;
 	DWORD m_height;
@@ -40,6 +43,7 @@ class Direct3DRMSoftwareRenderer : public Direct3DRMRenderer {
 	const SDL_PixelFormatDetails* m_format;
 	int m_bytesPerPixel;
 	std::vector<SceneLight> m_lights;
+	std::vector<SDL_Surface*> m_textures;
 	D3DVALUE m_front;
 	D3DVALUE m_back;
 	std::vector<PositionColorVertex> m_vertexBuffer;
diff --git a/miniwin/src/internal/d3drmtexture_impl.h b/miniwin/src/internal/d3drmtexture_impl.h
index 1cc19384..dc3d8b70 100644
--- a/miniwin/src/internal/d3drmtexture_impl.h
+++ b/miniwin/src/internal/d3drmtexture_impl.h
@@ -8,6 +8,8 @@ struct Direct3DRMTextureImpl : public Direct3DRMObjectBaseImpl<IDirect3DRMTextur
 	HRESULT QueryInterface(const GUID& riid, void** ppvObject) override;
 	HRESULT Changed(BOOL pixels, BOOL palette) override;
 
-private:
 	IDirectDrawSurface* m_surface = nullptr;
+
+private:
+	Uint8 m_version = 0;
 };
diff --git a/miniwin/src/internal/ddsurface_impl.h b/miniwin/src/internal/ddsurface_impl.h
index 1c97216e..3a149b91 100644
--- a/miniwin/src/internal/ddsurface_impl.h
+++ b/miniwin/src/internal/ddsurface_impl.h
@@ -37,8 +37,9 @@ struct DirectDrawSurfaceImpl : public IDirectDrawSurface3 {
 	void SetAutoFlip(bool enabled);
 	HRESULT Unlock(LPVOID lpSurfaceData) override;
 
+	SDL_Surface* m_surface = nullptr;
+
 private:
 	bool m_autoFlip = false;
-	SDL_Surface* m_surface = nullptr;
 	IDirectDrawPalette* m_palette = nullptr;
 };