diff options
Diffstat (limited to 'examples/resources/shaders/glsl330/lighting_instancing.vs')
| -rw-r--r-- | examples/resources/shaders/glsl330/lighting_instancing.vs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/examples/resources/shaders/glsl330/lighting_instancing.vs b/examples/resources/shaders/glsl330/lighting_instancing.vs new file mode 100644 index 0000000..6775a2e --- /dev/null +++ b/examples/resources/shaders/glsl330/lighting_instancing.vs @@ -0,0 +1,36 @@ +#version 330 + +// Input vertex attributes +in vec3 vertexPosition; +in vec2 vertexTexCoord; +in vec3 vertexNormal; +//in vec4 vertexColor; // Not required + +in mat4 instanceTransform; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matNormal; + +// Output vertex attributes (to fragment shader) +out vec3 fragPosition; +out vec2 fragTexCoord; +out vec4 fragColor; +out vec3 fragNormal; + +// NOTE: Add here your custom variables + +void main() +{ + // Compute MVP for current instance + mat4 mvpi = mvp*instanceTransform; + + // Send vertex attributes to fragment shader + fragPosition = vec3(mvpi*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + //fragColor = vertexColor; + fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0))); + + // Calculate final vertex position + gl_Position = mvpi*vec4(vertexPosition, 1.0); +} |
