44 lines
1.2 KiB
GLSL
44 lines
1.2 KiB
GLSL
#version 330 core
|
|
|
|
#define MODE_OFF 0
|
|
#define MODE_DIFFUSE 1
|
|
#define MODE_AMBIENT_AND_DIFFUSE 2
|
|
|
|
layout(location = 0) in vec4 pos;
|
|
layout(location = 1) in vec3 normal;
|
|
layout(location = 2) in vec4 vertexColor;
|
|
layout(location = 3) in vec4 multiTexCoord0;
|
|
|
|
out vec3 normalVS;
|
|
out vec2 texCoord;
|
|
out vec4 materialColor;
|
|
out vec3 ecPos;
|
|
|
|
uniform int color_mode;
|
|
uniform vec4 material_diffuse;
|
|
|
|
uniform mat4 osg_ModelViewMatrix;
|
|
uniform mat4 osg_ModelViewProjectionMatrix;
|
|
uniform mat3 osg_NormalMatrix;
|
|
|
|
void main()
|
|
{
|
|
gl_Position = osg_ModelViewProjectionMatrix * pos;
|
|
normalVS = normalize(osg_NormalMatrix * normal);
|
|
texCoord = multiTexCoord0.st;
|
|
ecPos = (osg_ModelViewMatrix * pos).xyz;
|
|
|
|
// Legacy material handling
|
|
if (color_mode == MODE_DIFFUSE)
|
|
materialColor = vertexColor;
|
|
else if (color_mode == MODE_AMBIENT_AND_DIFFUSE)
|
|
materialColor = vertexColor;
|
|
else
|
|
materialColor = material_diffuse;
|
|
// Super hack: if diffuse material alpha is less than 1, assume a
|
|
// transparency animation is at work
|
|
if (material_diffuse.a < 1.0)
|
|
materialColor.a = material_diffuse.a;
|
|
else
|
|
materialColor.a = vertexColor.a;
|
|
}
|