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Le Samedi 24 Mai 2003 17:59, Ann and Jason Edmeades a écrit :
> I've been having some opengl education from Lucho who has indicated to
> me how specular enable was wrong. I have checked his comments against
> all references and they appear correct, and moreover it doesnt break
> anything either, so here's the code.
>
> Changelog
>
> Correct specular enable renderstate
>
> Jason
Update patch for avoiding conflits with dx37->dx39(bis) patches
Raphael
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Les sous-répertoires ../winefree/dlls/d3d8/CVS et dlls/d3d8/CVS sont identiques.
diff -u ../winefree/dlls/d3d8/device.c dlls/d3d8/device.c
--- ../winefree/dlls/d3d8/device.c 2003-05-28 23:31:22.000000000 +0200
+++ dlls/d3d8/device.c 2003-05-28 23:37:26.000000000 +0200
@@ -2429,8 +2429,11 @@
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, (float*) &This->UpdateStateBlock->material.Diffuse);
checkGLcall("glMaterialfv");
- glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, (float*) &This->UpdateStateBlock->material.Specular);
- checkGLcall("glMaterialfv");
+ /* Only change material color if specular is enabled, otherwise it is set to black */
+ if (This->StateBlock->renderstate[D3DRS_SPECULARENABLE]) {
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, (float*) &This->UpdateStateBlock->material.Specular);
+ checkGLcall("glMaterialfv");
+ }
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, (float*) &This->UpdateStateBlock->material.Emissive);
checkGLcall("glMaterialfv");
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, This->UpdateStateBlock->material.Power);
@@ -3048,13 +3051,48 @@
case D3DRS_SPECULARENABLE :
{
+ /* Originally this used glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL,GL_SEPARATE_SPECULAR_COLOR)
+ and (GL_LIGHT_MODEL_COLOR_CONTROL,GL_SINGLE_COLOR) to swap between enabled/disabled
+ specular color. This is wrong:
+ Seperate specular color means the specular colour is maintained seperately, whereas
+ single color means it is merged in. However in both cases they are being used to
+ some extent.
+ To disable specular color, set it explicitly to black and turn off GL_COLOR_SUM_EXT
+ NOTE: If not supported dont give FIXME as very minimal impact and very few people are
+ yet running 1.4!
+ */
if (Value) {
- glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
- checkGLcall("glLightModel (GL_LIGHT_MODEL_COLOR_CONTROL,GL_SEPARATE_SPECULAR_COLOR);");
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, (float*) &This->UpdateStateBlock->material.Specular);
+ checkGLcall("glMaterialfv");
+#if defined(GL_VERSION_1_4)
+ glEnable(GL_COLOR_SUM);
+#elif defined(GL_EXT_secondary_color)
+ glEnable(GL_COLOR_SUM_EXT);
+#elif defined(GL_ARB_vertex_program)
+ glEnable(GL_COLOR_SUM_ARB);
+#else
+ TRACE("Specular colors cannot be enabled in this version of opengl\n");
+#endif
+ checkGLcall("glEnable(GL_COLOR_)\n");
} else {
- glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SINGLE_COLOR);
- checkGLcall("glLightModel (GL_LIGHT_MODEL_COLOR_CONTROL,GL_SINGLE_COLOR);");
- }
+ float black[4] = {0.0, 0.0, 0.0, 0.0};
+
+ /* for the case of enabled lighting: */
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, &black[0]);
+ checkGLcall("glMaterialfv");
+
+ /* for the case of disabled lighting: */
+#if defined(GL_VERSION_1_4)
+ glDisable(GL_COLOR_SUM);
+#elif defined(GL_EXT_secondary_color)
+ glDisable(GL_COLOR_SUM_EXT);
+#elif defined(GL_ARB_vertex_program)
+ glDisable(GL_COLOR_SUM_ARB);
+#else
+ TRACE("Specular colors cannot be disabled in this version of opengl\n");
+#endif
+ checkGLcall("glDisable(GL_COLOR_)\n");
+ }
}
break;
diff -u ../winefree/dlls/d3d8/directx.c dlls/d3d8/directx.c
--- ../winefree/dlls/d3d8/directx.c 2003-05-28 23:31:22.000000000 +0200
+++ dlls/d3d8/directx.c 2003-05-28 23:34:20.000000000 +0200
@@ -875,6 +875,9 @@
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
checkGLcall("glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);");
+ glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL,GL_SEPARATE_SPECULAR_COLOR);
+ checkGLcall("glLightModel (GL_LIGHT_MODEL_COLOR_CONTROL,GL_SEPARATE_SPECULAR_COLOR);");
+
/*
* Initialize openGL extension related variables
* with Default values
