From ae644d60ef4ca62eb6c9035b7997708b7463a693 Mon Sep 17 00:00:00 2001
From: Spoike <acceptthis@users.sourceforge.net>
Date: Thu, 26 Jan 2017 17:01:10 +0000
Subject: [PATCH] r_drawflat with d3d9.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5051 fc73d0e0-1445-4013-8a0c-d673dee63da5
---
 engine/d3d/d3d_backend.c | 19 ++++++++++++++++++-
 engine/gl/r_bishaders.h  | 40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/engine/d3d/d3d_backend.c b/engine/d3d/d3d_backend.c
index 1830a8bd9..e9b0b15a5 100644
--- a/engine/d3d/d3d_backend.c
+++ b/engine/d3d/d3d_backend.c
@@ -1867,9 +1867,26 @@ static void BE_ApplyUniforms(program_t *prog, int permu)
 			IDirect3DDevice9_SetPixelShaderConstantF(pD3DDev9, h, param4, 3);
 			break;
 
+		case SP_E_LMSCALE:
+			Vector4Set(param4, 1, 1, 1, 1);
+			if (shaderstate.curentity->model && (shaderstate.curentity->model->engineflags & MDLF_NEEDOVERBRIGHT))
+			{
+				extern cvar_t gl_overbright;
+				const float identitylighting = 1;
+				float sc = (1<<bound(0, gl_overbright.ival, 2)) * identitylighting;
+				VectorSet(param4, sc, sc, sc);
+			}
+			else
+			{
+				const float identitylighting = 1;
+				VectorSet(param4, identitylighting, identitylighting, identitylighting);
+			}
+			param4[3] = 1;
+			IDirect3DDevice9_SetVertexShaderConstantF(pD3DDev9, h, param4, 3);
+			break;
+
 		case SP_M_ENTBONES:
 		case SP_M_MODELVIEW:
-		case SP_E_LMSCALE:
 		case SP_E_VLSCALE:
 		case SP_E_ORIGIN:
 		case SP_E_GLOWMOD:
diff --git a/engine/gl/r_bishaders.h b/engine/gl/r_bishaders.h
index 3a9d4a546..90183a410 100644
--- a/engine/gl/r_bishaders.h
+++ b/engine/gl/r_bishaders.h
@@ -6706,6 +6706,46 @@ YOU SHOULD NOT EDIT THIS FILE BY HAND
 "\x0D\x01\x00\x00\x5E\x00\x00\x00\x5E\x00\x00\x00\x5E\x00\x00\x00\x0C\x01\x00\x00\x85\x00\x05\x00\x10\x00\x00\x00\x0E\x01\x00\x00"
 "\x0B\x01\x00\x00\x0D\x01\x00\x00\xFE\x00\x02\x00\x0E\x01\x00\x00\x38\x00\x01\x00"},
 #endif
+#ifdef D3D9QUAKE
+{QR_DIRECT3D9, 9, "drawflat_wall",
+"!!cvard3 r_floorcolour\n"
+"!!cvard3 r_wallcolour\n"
+//FIXME !!permu FOG
+
+"struct a2v {\n"
+"float4 pos: POSITION;\n"
+"float2 lmtc: TEXCOORD1;\n"
+"float3 normal: NORMAL;\n"
+"};\n"
+"struct v2f {\n"
+"#ifndef FRAGMENT_SHADER\n"
+"float4 pos: POSITION;\n"
+"#endif\n"
+"float2 lmtc: TEXCOORD0;\n"
+"float4 col: TEXCOORD1; //tc not colour to preserve range for oversaturation\n"
+"};\n"
+"#ifdef VERTEX_SHADER\n"
+"float4x4  m_modelviewprojection;\n"
+"float4 e_lmscale;\n"
+"v2f main (a2v inp)\n"
+"{\n"
+"v2f outp;\n"
+"outp.pos = mul(m_modelviewprojection, inp.pos);\n"
+"outp.lmtc = inp.lmtc;\n"
+"outp.col = e_lmscale * float4(((inp.normal.z < 0.73)?r_wallcolour:r_floorcolour)/255.0, 1.0);\n"
+"return outp;\n"
+"}\n"
+"#endif\n"
+
+"#ifdef FRAGMENT_SHADER\n"
+"sampler s_t0;\n"
+"float4 main (v2f inp) : COLOR0\n"
+"{\n"
+"return inp.col * tex2D(s_t0, inp.lmtc).xyzw;\n"
+"}\n"
+"#endif\n"
+},
+#endif
 #ifdef D3D11QUAKE
 {QR_DIRECT3D11, 11, "drawflat_wall",
 "!!samps lightmap\n"