60 lines
1.2 KiB
GLSL
60 lines
1.2 KiB
GLSL
uniform mat4 projectionMatrix;
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uniform mat4 modelViewMatrix;
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uniform mat3 normalMatrix;
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out vec4 posInView;
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#ifdef NORMAL_MAP
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out vec3 varTangent;
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out vec3 varBinormal;
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#endif
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#ifdef WIREFRAME
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out vec3 varColor;
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#else
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out vec3 varNormal;
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out vec2 varTexCoord;
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#endif
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layout(location = 0)in vec3 inPosition;
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layout(location = 2)in vec2 inTexCoord;
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layout(location = 1)in vec3 inNormal;
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#ifdef NORMAL_MAP
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layout(location = 3)in vec3 inTangent;
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layout(location = 4)in vec3 inBinormal;
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#endif
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#ifdef INSTANCED
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layout(location = 5)in vec3 inInstanceOffset;
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flat out int instanceId;
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#endif
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void main(void) {
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// computing normals
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#ifdef NORMAL_MAP
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varTangent = normalize(normalMatrix*inTangent);
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varBinormal = normalize(normalMatrix*inBinormal);
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#endif
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#ifdef WIREFRAME
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varColor = inNormal;
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#else
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varNormal = normalize(normalMatrix*inNormal);
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//computing UVs
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varTexCoord = inTexCoord.xy;
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#endif
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// computing positions
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#ifdef INSTANCED
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instanceId = gl_InstanceID;
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vec4 pos = vec4(inPosition + inInstanceOffset, 1.0);
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#else
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vec4 pos = vec4(inPosition, 1.0);
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#endif
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posInView = modelViewMatrix * pos;
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gl_Position = projectionMatrix * posInView;
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}
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