59 lines
1.2 KiB
GLSL
59 lines
1.2 KiB
GLSL
//Vertex Shader
|
|
#version 330 core
|
|
|
|
//defines
|
|
#define TEXTURE_MAP_SCALE 1.0
|
|
#define MODEL_TOTAL_DIM 16.0
|
|
|
|
|
|
//input buffers
|
|
layout (location = 0) in vec3 aPos;
|
|
layout (location = 1) in vec3 aNormal;
|
|
layout (location = 4) in vec2 aTex;
|
|
layout (location = 5) in int samplerIndices;
|
|
|
|
|
|
//coordinate space transformation matrices
|
|
uniform mat4 transform;
|
|
uniform mat4 model;
|
|
uniform mat4 view;
|
|
uniform mat4 projection;
|
|
uniform mat4 lightSpaceMatrix;
|
|
|
|
|
|
|
|
//output buffers
|
|
out vec3 Normal;
|
|
out vec3 FragPos;
|
|
out vec3 ViewFragPos;
|
|
out vec2 uv;
|
|
out vec4 FragPosLightSpace;
|
|
flat out int samplerIndexVec;
|
|
|
|
|
|
|
|
|
|
void main() {
|
|
//normalize posiiton and normal
|
|
vec4 FinalVertex = vec4(aPos, 1.0);
|
|
vec4 FinalNormal = vec4(aNormal, 1.0);
|
|
|
|
|
|
//push frag, normal, and texture positions to fragment shader
|
|
FragPos = vec3(model * FinalVertex);
|
|
ViewFragPos = vec3(view * model * FinalVertex);
|
|
Normal = mat3(transpose(inverse(model))) * aNormal;
|
|
uv = aTex;
|
|
|
|
//pass through what atlas'd textures to sample
|
|
samplerIndexVec = samplerIndices;
|
|
|
|
|
|
//shadow map stuff
|
|
FragPosLightSpace = lightSpaceMatrix * vec4(FragPos, 1.0);
|
|
|
|
|
|
//set final position with opengl space
|
|
gl_Position = projection * view * model * FinalVertex;
|
|
}
|