stk-code_catmod/data/shaders/shadow.vert
Vincent Lejeune 54b1ce39e4 Add Grass shadows.
For non instancing object.
2014-07-13 21:33:44 +02:00

36 lines
791 B
GLSL

layout (std140) uniform MatrixesData
{
mat4 ViewMatrix;
mat4 ProjectionMatrix;
mat4 InverseViewMatrix;
mat4 InverseProjectionMatrix;
mat4 ShadowViewProjMatrixes[4];
};
uniform mat4 ModelMatrix;
uniform vec3 windDir;
layout(location = 0) in vec3 Position;
layout(location = 2) in vec4 Color;
layout(location = 3) in vec2 Texcoord;
#ifdef VSLayer
out vec2 uv;
#else
out vec2 tc;
out int layerId;
#endif
void main(void)
{
#ifdef VSLayer
gl_Layer = gl_InstanceID & 3;
uv = Texcoord;
gl_Position = ShadowViewProjMatrixes[gl_Layer] * ModelMatrix * vec4(Position + windDir * Color.r, 1.);
#else
layerId = gl_InstanceID & 3;
tc = Texcoord;
gl_Position = ShadowViewProjMatrixes[layerId] * ModelMatrix * vec4(Position + windDir * Color.r, 1.);
#endif
}