Add test for ps.1.1 pixel program in snowballs (it works too now)

--HG--
branch : multipass-stereo

code/nel/include/nel/3d/material.h

@@ -171,7 +171,12 @@ public:
 	 * - Alpha of texture in stage 0 is blended with alpha of texture in stage 1. Blend done with the alpha color of each
 	 * stage and the whole is multiplied by the alpha in color vertex [AT0*ADiffuseCol+AT1*(1-ADiffuseCol)]*AStage
 	 * - RGB still unchanged
-	 *
+	 * Water :
+	 * - Water
+	 * PostProcessing :
+	 * - For internal use only when a pixel program is set manually through activePixelProgram.
+	 * - Only textures are set by CMaterial (probably does not work yet), the rest must be set manually.
+	 * - May be replaced in the future by some generic shader system.
 	 */
 	enum TShader			{ Normal=0,
 							  Bump,
@@ -183,6 +188,7 @@ public:
 							  PerPixelLightingNoSpec,
 							  Cloud,
 							  Water,
+							  PostProcessing,
 							  shaderCount};
 
 	/// \name Texture Env Modes.

code/snowballs2/client/src/commands.cpp

@@ -44,6 +44,7 @@
 #include <nel/3d/driver_user.h>
 #include <nel/3d/driver.h>
 #include <nel/3d/pixel_program.h>
+#include <nel/3d/material.h>
 #endif
 
 //
@@ -292,12 +293,17 @@ void	initCommands()
     CommandsMaterial.setBlend(true);
 
 #if SBCLIENT_DEV_PIXEL_PROGRAM
-	static const char *program =
+	CommandsMaterial.getObjectPtr()->setShader(NL3D::CMaterial::PostProcessing);
+	static const char *program_arbfp10 =
 		"!!ARBfp1.0\n"
 		"PARAM red = {1.0, 0.0, 0.0, 1.0};\n"
 		"MOV result.color, red;\n"
 		"END\n";
-	a_DevPixelProgram = new CPixelProgram(program);
+	static const char *program_ps10 =
+		"ps.1.1\n"
+		"def c0, 1.0, 0.0, 0.0, 1.0\n"
+		"mov r0, c0\n";
+	a_DevPixelProgram = new CPixelProgram(program_ps10);
 #endif
 }
 
@@ -326,11 +332,14 @@ void	updateCommands()
 #if SBCLIENT_DEV_PIXEL_PROGRAM
 	NL3D::IDriver *d = dynamic_cast<NL3D::CDriverUser *>(Driver)->getDriver();
 	d->activePixelProgram(a_DevPixelProgram);
+	bool fogEnabled = d->fogEnabled();
+	d->enableFog(false);
 #endif
 
 	Driver->drawQuad(CQuad(CVector(x0, y0, 0), CVector(x1, y0, 0), CVector(x1, y1, 0), CVector(x0, y1, 0)), CommandsMaterial);
 
 #if SBCLIENT_DEV_PIXEL_PROGRAM
+	d->enableFog(fogEnabled);
 	d->activePixelProgram(NULL);
 #endif