From 847962910f0bff071f3bf07c9abb87764fb6cac3 Mon Sep 17 00:00:00 2001
From: claude-bot <claude@ancap.in.ua>
Date: Mon, 13 Jul 2026 12:40:03 +0000
Subject: Import aap/librw @ master

Snapshot for re3/reVC vendoring, per @lzcnt.
Source: https://github.com/aap/librw (master).
---
 src/d3d/d3d8render.cpp | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 src/d3d/d3d8render.cpp

(limited to 'src/d3d/d3d8render.cpp')

diff --git a/src/d3d/d3d8render.cpp b/src/d3d/d3d8render.cpp
new file mode 100644
index 0000000..c5375cb
--- /dev/null
+++ b/src/d3d/d3d8render.cpp
@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#define WITH_D3D
+#include "../rwbase.h"
+#include "../rwplg.h"
+#include "../rwpipeline.h"
+#include "../rwobjects.h"
+#include "../rwengine.h"
+#include "rwd3d.h"
+#include "rwd3d8.h"
+
+namespace rw {
+namespace d3d8 {
+using namespace d3d;
+
+#ifndef RW_D3D9
+void defaultRenderCB(Atomic*, InstanceDataHeader*) {}
+#else
+
+// This is a bit abandoned, use d3d9 instead
+
+void
+defaultRenderCB(Atomic *atomic, InstanceDataHeader *header)
+{
+	RawMatrix world;
+
+	d3d::lightingCB_Fix(atomic);
+
+	uint32 flags = atomic->geometry->flags;
+	d3d::setRenderState(D3DRS_LIGHTING, !!(flags & rw::Geometry::LIGHT));
+
+	Frame *f = atomic->getFrame();
+	convMatrix(&world, f->getLTM());
+	d3ddevice->SetTransform(D3DTS_WORLD, (D3DMATRIX*)&world);
+
+	InstanceData *inst = header->inst;
+	for(uint32 i = 0; i < header->numMeshes; i++){
+		d3d::setTexture(0, inst->material->texture);
+		d3d::setMaterial(flags, inst->material->color, inst->material->surfaceProps);
+
+
+		d3d::setRenderState(D3DRS_AMBIENTMATERIALSOURCE, D3DMCS_MATERIAL);
+		d3d::setRenderState(D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_MATERIAL);
+		if(flags & Geometry::PRELIT)
+			d3d::setRenderState(D3DRS_EMISSIVEMATERIALSOURCE, D3DMCS_COLOR1);
+		else
+			d3d::setRenderState(D3DRS_EMISSIVEMATERIALSOURCE, D3DMCS_MATERIAL);
+
+		d3ddevice->SetFVF(inst->vertexShader);
+		setStreamSource(0, (IDirect3DVertexBuffer9*)inst->vertexBuffer, 0, inst->stride);
+		setIndices((IDirect3DIndexBuffer9*)inst->indexBuffer);
+		uint32 numPrim = inst->primType == D3DPT_TRIANGLESTRIP ? inst->numIndices-2 : inst->numIndices/3;
+		d3d::flushCache();
+		d3ddevice->DrawIndexedPrimitive((D3DPRIMITIVETYPE)inst->primType, inst->baseIndex,
+		                                0, inst->numVertices, 0, numPrim);
+		inst++;
+	}
+}
+
+#endif
+}
+}
-- 
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