From 66447040396dfecbcd8f2b1510d65c900424f46a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20D=C3=B6singer?= <stefan@codeweavers.com>
Date: Wed, 5 Sep 2007 17:05:58 +0200
Subject: [PATCH] wined3d: Add texreg2rgb support to arb shaders.

---
 dlls/wined3d/arb_program_shader.c | 16 ++++++++++++++++
 dlls/wined3d/pixelshader.c        |  2 +-
 dlls/wined3d/wined3d_private.h    |  1 +
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index b4d14268151..1fc3338da37 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -1118,6 +1118,22 @@ void pshader_hw_texreg2gb(SHADER_OPCODE_ARG* arg) {
      shader_hw_sample(arg, reg1, dst_str, "TMP", FALSE, FALSE);
 }
 
+void pshader_hw_texreg2rgb(SHADER_OPCODE_ARG* arg) {
+
+    SHADER_BUFFER* buffer = arg->buffer;
+    IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
+    IWineD3DDeviceImpl* deviceImpl = (IWineD3DDeviceImpl*) This->baseShader.device;
+    DWORD flags;
+    DWORD reg1 = arg->dst & WINED3DSP_REGNUM_MASK;
+    char dst_str[8];
+    char src_str[50];
+
+    sprintf(dst_str, "T%u", reg1);
+    pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src_str);
+    flags = reg1 < MAX_TEXTURES ? deviceImpl->stateBlock->textureState[reg1][WINED3DTSS_TEXTURETRANSFORMFLAGS] : 0;
+    shader_hw_sample(arg, reg1, dst_str, src_str, FALSE, FALSE);
+}
+
 void pshader_hw_texbem(SHADER_OPCODE_ARG* arg) {
     IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
 
diff --git a/dlls/wined3d/pixelshader.c b/dlls/wined3d/pixelshader.c
index ad9b11d3020..512badc2eeb 100644
--- a/dlls/wined3d/pixelshader.c
+++ b/dlls/wined3d/pixelshader.c
@@ -220,7 +220,7 @@ CONST SHADER_OPCODE IWineD3DPixelShaderImpl_shader_ins[] = {
     {WINED3DSIO_TEXBEML,  "texbeml",  GLNAME_REQUIRE_GLSL, 1, 2, pshader_hw_texbem, pshader_glsl_texbem, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
     {WINED3DSIO_TEXREG2AR,"texreg2ar","undefined", 1, 2, pshader_hw_texreg2ar, pshader_glsl_texreg2ar, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
     {WINED3DSIO_TEXREG2GB,"texreg2gb","undefined", 1, 2, pshader_hw_texreg2gb, pshader_glsl_texreg2gb, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
-    {WINED3DSIO_TEXREG2RGB,   "texreg2rgb",   GLNAME_REQUIRE_GLSL, 1, 2, NULL, pshader_glsl_texreg2rgb, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
+    {WINED3DSIO_TEXREG2RGB,   "texreg2rgb",   "undefined", 1, 2, pshader_hw_texreg2rgb, pshader_glsl_texreg2rgb, WINED3DPS_VERSION(1,2), WINED3DPS_VERSION(1,3)},
     {WINED3DSIO_TEXM3x2PAD,   "texm3x2pad",   "undefined", 1, 2, pshader_hw_texm3x2pad, pshader_glsl_texm3x2pad, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
     {WINED3DSIO_TEXM3x2TEX,   "texm3x2tex",   "undefined", 1, 2, pshader_hw_texm3x2tex, pshader_glsl_texm3x2tex, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
     {WINED3DSIO_TEXM3x3PAD,   "texm3x3pad",   "undefined", 1, 2, pshader_hw_texm3x3pad, pshader_glsl_texm3x3pad, WINED3DPS_VERSION(1,0), WINED3DPS_VERSION(1,3)},
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 86fd2dc8c6a..ddea219fdee 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1788,6 +1788,7 @@ extern void pshader_hw_texdp3(SHADER_OPCODE_ARG* arg);
 extern void pshader_hw_texm3x3(SHADER_OPCODE_ARG* arg);
 extern void pshader_hw_texm3x2depth(SHADER_OPCODE_ARG* arg);
 extern void pshader_hw_dp2add(SHADER_OPCODE_ARG* arg);
+extern void pshader_hw_texreg2rgb(SHADER_OPCODE_ARG* arg);
 
 /* ARB vertex / pixel shader common prototypes */
 extern void shader_hw_nrm(SHADER_OPCODE_ARG* arg);