Simply put, the shader fails to compile. Below I've attached the engine log. This is with the current Beta 3. The log is from the knight example.
Code:
0.000 Initializing OpenGL renderer using OGL '2.0.1' by 'NVIDIA Corporation' on 'GeForce Go 6800/PCI/SSE2'
0.000 Extension EXT_framebuffer_multisample and/or EXT_framebuffer_blit not supported
0.203 Adding Pipeline resource 'pipelines/hdr.pipeline.xml'
0.203 Adding Pipeline resource 'pipelines/forward.pipeline.xml'
0.203 Adding Material resource 'overlays/font.material.xml'
0.203 Adding Material resource 'overlays/panel.material.xml'
0.203 Adding Material resource 'overlays/logo.material.xml'
0.203 Adding SceneGraph resource 'models/sphere/sphere.scene.xml'
0.203 Adding SceneGraph resource 'models/knight/knight.scene.xml'
0.203 Adding Animation resource 'animations/knight_order.anim'
0.203 Adding Animation resource 'animations/knight_attack.anim'
0.203 Adding SceneGraph resource 'particles/particleSys1/particleSys1.scene.xml'
0.203 Loading resource 'pipelines/hdr.pipeline.xml'
0.203 Adding Material resource 'pipelines/globalSettings.material.xml'
0.203 Adding Material resource 'pipelines/postHDR.material.xml'
0.218 Loading resource 'pipelines/forward.pipeline.xml'
0.218 Loading resource 'overlays/font.material.xml'
0.218 Adding Shader resource 'shaders/overlay.shader'
0.218 Adding Texture resource 'overlays/font.tga'
0.218 Loading resource 'overlays/panel.material.xml'
0.218 Adding Texture resource 'textures/common/white.tga'
0.218 Loading resource 'overlays/logo.material.xml'
0.218 Adding Texture resource 'overlays/logo.tga'
0.218 Loading resource 'models/sphere/sphere.scene.xml'
0.218 Adding Geometry resource 'models/sphere/sphere.geo'
0.218 Adding Material resource 'models/sphere/stones.material.xml'
0.234 Loading resource 'models/knight/knight.scene.xml'
0.234 Adding Geometry resource 'models/knight/knight.geo'
0.234 Adding Material resource 'models/knight/knight.material.xml'
0.234 Loading resource 'animations/knight_order.anim'
0.234 Loading resource 'animations/knight_attack.anim'
0.250 Loading resource 'particles/particleSys1/particleSys1.scene.xml'
0.250 Adding Material resource 'particles/particleSys1/particle1.material.xml'
0.250 Adding ParticleEffect resource 'particles/particleSys1/particle1.particle.xml'
0.250 Adding Material resource 'particles/particleSys1/particle2.material.xml'
0.250 Adding ParticleEffect resource 'particles/particleSys1/particle2.particle.xml'
0.250 Loading resource 'pipelines/globalSettings.material.xml'
0.250 Adding Texture resource 'textures/ambientMap.dds'
0.250 Loading resource 'pipelines/postHDR.material.xml'
0.250 Adding Shader resource 'shaders/postHDR.shader'
0.250 Loading resource 'shaders/overlay.shader'
0.250 Adding Code resource 'shaders/overlay.shader:VS_OVERLAY'
0.250 Adding Code resource 'shaders/overlay.shader:FS_OVERLAY'
0.250 ---- C O M P I L I N G . S H A D E R . shaders/overlay.shader@OVERLAY[0] ----
0.297 Loading resource 'overlays/font.tga'
0.312 Loading resource 'textures/common/white.tga'
0.312 Loading resource 'overlays/logo.tga'
0.312 Loading resource 'models/sphere/sphere.geo'
0.328 Loading resource 'models/sphere/stones.material.xml'
0.328 Adding Shader resource 'shaders/model.shader'
0.328 Adding Texture resource 'textures/models/layingrock.jpg'
0.328 Adding Texture resource 'textures/models/layingrockBump.tga'
0.328 Loading resource 'models/knight/knight.geo'
0.328 Loading resource 'models/knight/knight.material.xml'
0.328 Adding Texture resource 'models/knight/knight.jpg'
0.328 Adding Texture resource 'models/skybox/skybox.dds'
0.328 Loading resource 'particles/particleSys1/particle1.material.xml'
0.328 Adding Shader resource 'shaders/particle.shader'
0.328 Adding Texture resource 'textures/particles/particle1.tga'
0.343 Loading resource 'particles/particleSys1/particle1.particle.xml'
0.343 Loading resource 'particles/particleSys1/particle2.material.xml'
0.343 Loading resource 'particles/particleSys1/particle2.particle.xml'
0.343 Loading resource 'textures/ambientMap.dds'
0.343 Loading resource 'shaders/postHDR.shader'
0.343 Adding Code resource 'shaders/postHDR.shader:VS_FSQUAD'
0.343 Adding Code resource 'shaders/postHDR.shader:FS_BRIGHTPASS'
0.343 Adding Code resource 'shaders/utilityLib/fragPostProcess.glsl'
0.343 Adding Code resource 'shaders/postHDR.shader:FS_BLUR'
0.343 Adding Code resource 'shaders/postHDR.shader:FS_FINALPASS'
0.343 ---- C O M P I L I N G . S H A D E R . shaders/postHDR.shader@FINALPASS[0] ----
0.406 Loading resource 'shaders/model.shader'
0.406 Adding Code resource 'shaders/model.shader:VS_GENERAL'
0.406 Adding Code resource 'shaders/utilityLib/vertCommon.glsl'
0.406 Adding Code resource 'shaders/utilityLib/vertSkinning.glsl'
0.406 Adding Code resource 'shaders/model.shader:FS_ATTRIBPASS'
0.406 Adding Code resource 'shaders/utilityLib/fragDeferredWrite.glsl'
0.406 Adding Code resource 'shaders/model.shader:VS_SHADOWMAP'
0.406 Adding Code resource 'shaders/model.shader:FS_SHADOWMAP'
0.406 Adding Code resource 'shaders/model.shader:FS_LIGHTING'
0.406 Adding Code resource 'shaders/utilityLib/fragLighting.glsl'
0.406 Adding Code resource 'shaders/model.shader:FS_AMBIENT'
0.406 Loading resource 'textures/models/layingrock.jpg'
0.422 Loading resource 'textures/models/layingrockBump.tga'
0.437 Loading resource 'models/knight/knight.jpg'
0.453 Loading resource 'models/skybox/skybox.dds'
0.453 Loading resource 'shaders/particle.shader'
0.453 Adding Code resource 'shaders/particle.shader:VS_SHADOWMAP'
0.453 Adding Code resource 'shaders/utilityLib/vertParticle.glsl'
0.453 Adding Code resource 'shaders/particle.shader:FS_SHADOWMAP'
0.453 Adding Code resource 'shaders/particle.shader:VS_TRANSLUCENT'
0.453 Adding Code resource 'shaders/particle.shader:FS_TRANSLUCENT'
0.453 Loading resource 'textures/particles/particle1.tga'
0.453 Loading resource 'shaders/utilityLib/fragPostProcess.glsl'
0.453 ---- C O M P I L I N G . S H A D E R . shaders/postHDR.shader@BRIGHTPASS[0] ----
0.531 ---- C O M P I L I N G . S H A D E R . shaders/postHDR.shader@BLUR[0] ----
0.593 Loading resource 'shaders/utilityLib/vertCommon.glsl'
0.593 Loading resource 'shaders/utilityLib/vertSkinning.glsl'
0.593 ---- C O M P I L I N G . S H A D E R . shaders/model.shader@SHADOWMAP[0] ----
0.703 Loading resource 'shaders/utilityLib/fragDeferredWrite.glsl'
0.703 ---- C O M P I L I N G . S H A D E R . shaders/model.shader@ATTRIBPASS[4] ----
0.703 Shader resource 'shaders/model.shader': Failed to compile shader context 'ATTRIBPASS' (comb 4)
0.703 Shader resource 'shaders/model.shader': ShaderLog: [Fragment Shader]
(24) : warning C7508: extension GL_ARB_draw_buffers not supported
(74) : error C1102: incompatible type for parameter #1 ("s")
(74) : error C1102: incompatible type for parameter #1 ("s")
(74) : error C1102: incompatible type for parameter #1 ("s")
(74) : error C1102: incompatible type for parameter #1 ("s")
(74) : error C1102: incompatible type for parameter #1 ("s")
0.703 ---- C O M P I L I N G . S H A D E R . shaders/model.shader@ATTRIBPASS[1] ----
6.390 Shader resource 'shaders/model.shader': ShaderLog: [Linking]
Fragment info
-------------
(24) : warning C7508: extension GL_ARB_draw_buffers not supported
6.390 Loading resource 'shaders/utilityLib/fragLighting.glsl'
6.390 ---- C O M P I L I N G . S H A D E R . shaders/model.shader@LIGHTING[4] ----
6.406 Shader resource 'shaders/model.shader': Failed to compile shader context 'LIGHTING' (comb 4)
6.406 Shader resource 'shaders/model.shader': ShaderLog: [Fragment Shader]
(139) : error C1102: incompatible type for parameter #1 ("s")
(139) : error C1102: incompatible type for parameter #1 ("s")
(139) : error C1102: incompatible type for parameter #1 ("s")
(139) : error C1102: incompatible type for parameter #1 ("s")
(139) : error C1102: incompatible type for parameter #1 ("s")
6.406 ---- C O M P I L I N G . S H A D E R . shaders/model.shader@LIGHTING[1] ----
12.203 ---- C O M P I L I N G . S H A D E R . shaders/model.shader@AMBIENT[4] ----
12.218 Shader resource 'shaders/model.shader': Failed to compile shader context 'AMBIENT' (comb 4)
12.218 Shader resource 'shaders/model.shader': ShaderLog: [Fragment Shader]
(143) : error C1102: incompatible type for parameter #1 ("s")
(143) : error C1102: incompatible type for parameter #1 ("s")
(143) : error C1102: incompatible type for parameter #1 ("s")
(143) : error C1102: incompatible type for parameter #1 ("s")
(143) : error C1102: incompatible type for parameter #1 ("s")
12.218 ---- C O M P I L I N G . S H A D E R . shaders/model.shader@AMBIENT[9] ----
17.875 Loading resource 'shaders/utilityLib/vertParticle.glsl'
17.875 ---- C O M P I L I N G . S H A D E R . shaders/particle.shader@TRANSLUCENT[0] ----
17.953 Adding Camera node 'Camera'
17.953 Adding nodes from SceneGraph resource 'models/sphere/sphere.scene.xml'
17.953 Adding nodes from SceneGraph resource 'models/knight/knight.scene.xml'
17.953 Adding nodes from SceneGraph resource 'particles/particleSys1/particleSys1.scene.xml'
17.953 Adding Light node 'Light1'