From e135bf5595d8339024bae529320ce998d1ded1e9 Mon Sep 17 00:00:00 2001
From: olebeck <31539311+olebeck@users.noreply.github.com>
Date: Mon, 7 Jul 2025 15:09:27 +0200
Subject: [PATCH] always clear before drawing 2d image

---
 miniwin/src/d3drm/backends/gxm/renderer.cpp | 6 ++++++
 miniwin/src/internal/d3drmrenderer_gxm.h    | 1 +
 2 files changed, 7 insertions(+)

diff --git a/miniwin/src/d3drm/backends/gxm/renderer.cpp b/miniwin/src/d3drm/backends/gxm/renderer.cpp
index 779c14b1..a9c77e24 100644
--- a/miniwin/src/d3drm/backends/gxm/renderer.cpp
+++ b/miniwin/src/d3drm/backends/gxm/renderer.cpp
@@ -1424,6 +1424,7 @@ void GXMRenderer::StartScene()
 	sceGxmSetCullMode(gxm->context, SCE_GXM_CULL_CCW);
 	gxm->sceneStarted = true;
 	this->quadsUsed = 0;
+	this->cleared = false;
 
 	sceGxmNotificationWait(&this->vertexNotifications[this->currentVertexBufferIndex]);
 	sceGxmNotificationWait(&this->fragmentNotifications[this->currentFragmentBufferIndex]);
@@ -1554,6 +1555,7 @@ void GXMRenderer::Clear(float r, float g, float b)
 {
 	this->StartScene();
 	gxm->clear(r, g, b, false);
+	this->cleared = true;
 }
 
 void GXMRenderer::Flip()
@@ -1579,6 +1581,10 @@ void GXMRenderer::Flip()
 void GXMRenderer::Draw2DImage(Uint32 textureId, const SDL_Rect& srcRect, const SDL_Rect& dstRect, FColor color)
 {
 	this->StartScene();
+	if(!this->cleared) {
+		gxm->clear(0,0,0, false);
+		this->cleared = true;
+	}
 
 #ifdef DEBUG
 	char marker[256];
diff --git a/miniwin/src/internal/d3drmrenderer_gxm.h b/miniwin/src/internal/d3drmrenderer_gxm.h
index 1f986384..b1f12a97 100644
--- a/miniwin/src/internal/d3drmrenderer_gxm.h
+++ b/miniwin/src/internal/d3drmrenderer_gxm.h
@@ -161,6 +161,7 @@ class GXMRenderer : public Direct3DRMRenderer {
 	Vertex2D* quadVertices[GXM_VERTEX_BUFFER_COUNT];
 	uint16_t* quadIndices;
 	int quadsUsed = 0;
+	bool cleared = false;
 
 	SceGxmNotification vertexNotifications[GXM_VERTEX_BUFFER_COUNT];
 	SceGxmNotification fragmentNotifications[GXM_FRAGMENT_BUFFER_COUNT];