From 1b320431b8aed7894f19a5625517b1e80fbcdefa Mon Sep 17 00:00:00 2001
From: Phil Costin <philcostin@hotmail.com>
Date: Thu, 18 May 2006 02:24:08 +0100
Subject: [PATCH] wined3d: Check registry for UseGLSL enabled.

---
 dlls/wined3d/directx.c         | 16 ++++++++--------
 dlls/wined3d/wined3d_main.c    | 17 ++++++++++++++++-
 dlls/wined3d/wined3d_private.h |  1 +
 3 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index ce05a45652e..c8709427c48 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -1677,15 +1677,15 @@ HRESULT WINAPI IWineD3DImpl_GetDeviceCaps(IWineD3D *iface, UINT Adapter, WINED3D
     *pCaps->MaxStreams          = MAX_STREAMS;
     *pCaps->MaxStreamStride     = 1024;
 
-    if (wined3d_settings.vs_mode == VS_HW && GL_SUPPORT(ARB_SHADING_LANGUAGE_100) && DeviceType != WINED3DDEVTYPE_REF) {
-        /* FIXME: Uncomment the line below and remove the line beneath that to set Vertex Shader 2.0+ capability */
-        /* *pCaps->VertexShaderVersion = D3DVS_VERSION(3,0); */
-        *pCaps->VertexShaderVersion = D3DVS_VERSION(1,1);
+    if (wined3d_settings.vs_mode == VS_HW && GL_SUPPORT(ARB_SHADING_LANGUAGE_100) &&
+    wined3d_settings.glslRequested && DeviceType != WINED3DDEVTYPE_REF) {
+        *pCaps->VertexShaderVersion = D3DVS_VERSION(3,0);
         TRACE_(d3d_caps)("Hardware Vertex Shaders versions 2.0+ enabled\n");
     } else if (wined3d_settings.vs_mode == VS_HW && GL_SUPPORT(ARB_VERTEX_PROGRAM) && DeviceType != WINED3DDEVTYPE_REF) {
         *pCaps->VertexShaderVersion = D3DVS_VERSION(1,1);
         TRACE_(d3d_caps)("Hardware Vertex Shader version 1.1 enabled\n");
     } else if (wined3d_settings.vs_mode == VS_SW || DeviceType == WINED3DDEVTYPE_REF) {
+        /* FIXME: Change the following line (when needed) to reflect the reported software vertex shader version implemented */
         *pCaps->VertexShaderVersion = D3DVS_VERSION(1,1);
         TRACE_(d3d_caps)("Software Vertex Shader version 1.1 enabled\n");
     } else {
@@ -1699,10 +1699,10 @@ HRESULT WINAPI IWineD3DImpl_GetDeviceCaps(IWineD3D *iface, UINT Adapter, WINED3D
         *pCaps->MaxVertexShaderConst = WINED3D_VSHADER_MAX_CONSTANTS;
     }
 
-    if (wined3d_settings.ps_mode == PS_HW && GL_SUPPORT(ARB_SHADING_LANGUAGE_100) && DeviceType != WINED3DDEVTYPE_REF) {
-        /* FIXME: Uncomment the following line and remove the line beneath that to set Pixel Shader 2.0+ capability */
-        /* *pCaps->PixelShaderVersion = D3DPS_VERSION(3,0); */
-        *pCaps->PixelShaderVersion    = D3DPS_VERSION(1,4);
+    if (wined3d_settings.ps_mode == PS_HW && GL_SUPPORT(ARB_SHADING_LANGUAGE_100) &&
+    wined3d_settings.glslRequested && DeviceType != WINED3DDEVTYPE_REF) {
+        *pCaps->PixelShaderVersion = D3DPS_VERSION(3,0);
+        /* FIXME: The following line is card dependant. -1.0 to 1.0 is a safe default clamp range for now */
         *pCaps->PixelShader1xMaxValue = 1.0;
         TRACE_(d3d_caps)("Hardware Pixel Shaders versions 2.0+ enabled\n");
     } else if (wined3d_settings.ps_mode == PS_HW && GL_SUPPORT(ARB_FRAGMENT_PROGRAM) && DeviceType != WINED3DDEVTYPE_REF) {
diff --git a/dlls/wined3d/wined3d_main.c b/dlls/wined3d/wined3d_main.c
index 339b871086f..ae7bac60e27 100644
--- a/dlls/wined3d/wined3d_main.c
+++ b/dlls/wined3d/wined3d_main.c
@@ -36,7 +36,8 @@ wined3d_settings_t wined3d_settings =
 {
   VS_HW,   /* Hardware by default */
   PS_NONE, /* Disabled by default */
-  VBO_HW   /* Hardware by default */
+  VBO_HW,   /* Hardware by default */
+  FALSE    /* Use of GLSL disabled by default */
 };
 
 WineD3DGlobalStatistics *wineD3DGlobalStatistics = NULL;
@@ -168,6 +169,18 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
                     wined3d_settings.vbo_mode = VBO_HW;
                 }
             }
+            if ( !get_config_key( hkey, appkey, "UseGLSL", buffer, size) )
+            {
+                if (!strcmp(buffer,"enabled"))
+                {
+                    TRACE("Use of GL Shading Language enabled for systems that support it\n");
+                    wined3d_settings.glslRequested = TRUE;
+                }
+                else
+                {
+                    TRACE("Use of GL Shading Language disabled\n");
+                }
+            }
             if ( !get_config_key( hkey, appkey, "Nonpower2Mode", buffer, size) )
             {
                 if (!strcmp(buffer,"none"))
@@ -190,6 +203,8 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
            TRACE("Disable pixel shaders\n");
        if (wined3d_settings.vbo_mode == VBO_NONE)
            TRACE("Disable Vertex Buffer Hardware support\n");
+       if (wined3d_settings.glslRequested)
+           TRACE("If supported by your system, GL Shading Language will be used\n");
        if (wined3d_settings.nonpower2_mode == NP2_REPACK)
            TRACE("Repacking non-power2 textures\n");
 
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 6b905446bf1..6754877138d 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -137,6 +137,7 @@ typedef struct wined3d_settings_s {
   int vs_mode;
   int ps_mode;
   int vbo_mode;
+  BOOL glslRequested;
 /* nonpower 2 function */
   int nonpower2_mode;
 } wined3d_settings_t;