diff options
Diffstat (limited to 'src/renderergl2/glsl')
| -rw-r--r-- | src/renderergl2/glsl/lightall_vp.glsl | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/src/renderergl2/glsl/lightall_vp.glsl b/src/renderergl2/glsl/lightall_vp.glsl index 05a41f4d..4604b6ed 100644 --- a/src/renderergl2/glsl/lightall_vp.glsl +++ b/src/renderergl2/glsl/lightall_vp.glsl @@ -1,5 +1,5 @@ attribute vec4 attr_TexCoord0; -#if defined(USE_LIGHTMAP) +#if defined(USE_LIGHTMAP) || defined(USE_TCGEN) attribute vec4 attr_TexCoord1; #endif attribute vec4 attr_Color; @@ -31,6 +31,8 @@ uniform vec3 u_ViewOrigin; #if defined(USE_TCGEN) uniform int u_TCGen0; +uniform vec3 u_TCGen0Vector0; +uniform vec3 u_TCGen0Vector1; #endif #if defined(USE_TCMOD) @@ -92,6 +94,29 @@ varying vec3 var_VertLight; varying vec3 var_WorldLight; #endif +#if defined(USE_TCGEN) +vec2 GenTexCoords(int TCGen, vec3 position, vec3 normal, vec3 TCGenVector0, vec3 TCGenVector1) +{ + vec2 tex = attr_TexCoord0.st; + + if (TCGen == TCGEN_LIGHTMAP) + { + tex = attr_TexCoord1.st; + } + else if (TCGen == TCGEN_ENVIRONMENT_MAPPED) + { + vec3 viewer = normalize(u_ViewOrigin - position); + tex = -reflect(viewer, normal).yz * vec2(0.5, -0.5) + 0.5; + } + else if (TCGen == TCGEN_VECTOR) + { + tex = vec2(dot(position, TCGenVector0), dot(position, TCGenVector1)); + } + + return tex; +} +#endif + #if defined(USE_TCMOD) vec2 ModTexCoords(vec2 st, vec3 position, vec4 texMatrix, vec4 offTurb) { @@ -158,18 +183,11 @@ void main() var_SampleToView = SampleToView; #endif - vec2 tex; - #if defined(USE_TCGEN) - if (u_TCGen0 == TCGEN_ENVIRONMENT_MAPPED) - { - tex = -reflect(normalize(SampleToView), normal).yz * vec2(0.5, -0.5) + 0.5; - } - else + vec2 tex = GenTexCoords(u_TCGen0, position.xyz, normal, u_TCGen0Vector0, u_TCGen0Vector1); +#else + vec2 tex = attr_TexCoord0.st; #endif - { - tex = attr_TexCoord0.st; - } #if defined(USE_TCMOD) var_DiffuseTex = ModTexCoords(tex, position.xyz, u_DiffuseTexMatrix, u_DiffuseTexOffTurb); |