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- added hacky support for pre-shader graphics cards. Seems to work, but I'll not know for sure until I acutally test it on such a crippled hardware.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@174 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
This commit is contained in:
ulfjorensen
2008-10-09 21:18:59 +00:00
parent 92ba3e433e
commit 366562e5d1
4 changed files with 35 additions and 7 deletions
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2
tools/assimp_view/Shaders.cpp
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@@ -714,6 +714,7 @@ std::string g_szMaterialShader = std::string(
// and specular including emissive part
"float4 specularColor = float4( 0.0f, 0.0f, 0.0f, 1.0f); \n"
"#ifdef AV_SPECULAR_COMPONENT\n"
"float3 viewDir = normalize( worldPos - vCameraPos); \n"
"for( int a = 0; a < 5; a++) \n"
"{ \n"
@@ -721,6 +722,7 @@ std::string g_szMaterialShader = std::string(
" float specIntensity = pow( dot( -reflDir, viewDir), SPECULAR_STRENGTH) * SPECULARITY; \n"
" specularColor.rgb += afLightColor[a] * specIntensity; \n"
"} \n"
"#endif // AV_SPECULAR_COMPONENT\n"
// factor in material properties and the emissive part
"Out.SpecularColor = specularColor * SPECULAR_COLOR + EMISSIVE_COLOR; \n"