wined3d: Fix a few MSVC data loss warnings.

dlls/wined3d/drawprim.c

@@ -274,7 +274,7 @@ static void drawStridedSlow(IWineD3DDeviceImpl *device, const struct wined3d_con
             if (specular_fog)
             {
                 DWORD specularColor = *(const DWORD *)ptrToCoords;
-                GL_EXTCALL(glFogCoordfEXT(specularColor >> 24));
+                GL_EXTCALL(glFogCoordfEXT((float) (specularColor >> 24)));
             }
         }
 

dlls/wined3d/gl_compat.c

@@ -178,9 +178,9 @@ static void WINE_GLAPI wine_glFogi(GLenum pname, GLint param) {
         }
     } else {
         if(pname == GL_FOG_START) {
-            ctx->fogstart = param;
+            ctx->fogstart = (float) param;
         } else if(pname == GL_FOG_END) {
-            ctx->fogend = param;
+            ctx->fogend = (float) param;
         }
         old_fogcoord_glFogi(pname, param);
     }
@@ -199,9 +199,9 @@ static void WINE_GLAPI wine_glFogiv(GLenum pname, const GLint *param) {
         }
     } else {
         if(pname == GL_FOG_START) {
-            ctx->fogstart = *param;
+            ctx->fogstart = (float) *param;
         } else if(pname == GL_FOG_END) {
-            ctx->fogend = *param;
+            ctx->fogend = (float) *param;
         }
         old_fogcoord_glFogiv(pname, param);
     }
@@ -331,13 +331,13 @@ static void WINE_GLAPI wine_glFogCoordfEXT(GLfloat f) {
     ctx->fog_coord_value = f;
 }
 static void WINE_GLAPI wine_glFogCoorddEXT(GLdouble f) {
-    wine_glFogCoordfEXT(f);
+    wine_glFogCoordfEXT((GLfloat) f);
 }
 static void WINE_GLAPI wine_glFogCoordfvEXT(const GLfloat *f) {
     wine_glFogCoordfEXT(*f);
 }
 static void WINE_GLAPI wine_glFogCoorddvEXT(const GLdouble *f) {
-    wine_glFogCoordfEXT(*f);
+    wine_glFogCoordfEXT((GLfloat) *f);
 }
 
 /* End GL_EXT_fog_coord emulation */

dlls/wined3d/glsl_shader.c

@@ -829,7 +829,7 @@ static void shader_glsl_load_constants(const struct wined3d_context *context,
                 correction_params[1] = 1.0f;
             } else {
                 /* position is window relative, not viewport relative */
-                correction_params[0] = context->current_rt->resource.height;
+                correction_params[0] = (float) context->current_rt->resource.height;
                 correction_params[1] = -1.0f;
             }
             GL_EXTCALL(glUniform4fvARB(prog->ycorrection_location, 1, correction_params));

dlls/wined3d/surface.c

@@ -2554,7 +2554,7 @@ HRESULT surface_load(struct wined3d_surface *surface, BOOL srgb)
 static inline unsigned short float_32_to_16(const float *in)
 {
     int exp = 0;
-    float tmp = fabs(*in);
+    float tmp = fabsf(*in);
     unsigned int mantissa;
     unsigned short ret;