mirror of https://github.com/axmolengine/axmol.git
97 lines
3.4 KiB
GLSL
97 lines
3.4 KiB
GLSL
#version 310 es
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#include "base.glsl"
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#ifdef USE_NORMAL_MAPPING
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#endif
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#ifdef USE_NORMAL_MAPPING
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#endif
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layout(location = POSITION) in vec4 a_position;
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layout(location = TEXCOORD0) in vec2 a_texCoord;
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layout(location = NORMAL) in vec3 a_normal;
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#ifdef USE_NORMAL_MAPPING
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layout(location = TANGENT) in vec3 a_tangent;
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layout(location = BINORMAL) in vec3 a_binormal;
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#endif
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layout(location = TEXCOORD0) out vec2 v_texCoord;
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#ifdef USE_NORMAL_MAPPING
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layout(location = DIRLIGHT) out vec3 v_dirLightDirection[MAX_DIRECTIONAL_LIGHT_NUM];
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#endif
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layout(location = POINTLIGHT) out vec3 v_vertexToPointLightDirection[MAX_POINT_LIGHT_NUM];
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layout(location = SPOTLIGHT) out vec3 v_vertexToSpotLightDirection[MAX_SPOT_LIGHT_NUM];
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#ifdef USE_NORMAL_MAPPING
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layout(location = SPOTLIGHT_NORM) out vec3 v_spotLightDirection[MAX_SPOT_LIGHT_NUM];
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#endif
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#ifndef USE_NORMAL_MAPPING
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layout(location = NORMAL) out vec3 v_normal;
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#endif
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layout(std140) uniform vs_ub {
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#ifdef USE_NORMAL_MAPPING
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vvec3_def(u_DirLightSourceDirection, MAX_DIRECTIONAL_LIGHT_NUM);
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vvec3_def(u_SpotLightSourceDirection, MAX_SPOT_LIGHT_NUM);
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#endif
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vvec3_def(u_PointLightSourcePosition, MAX_POINT_LIGHT_NUM);
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vvec3_def(u_SpotLightSourcePosition, MAX_SPOT_LIGHT_NUM);
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mat4 u_MVPMatrix;
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mat4 u_MVMatrix;
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mat4 u_PMatrix;
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mat3 u_NormalMatrix;
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};
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void main(void)
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{
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vec4 ePosition = u_MVMatrix * a_position;
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#ifdef USE_NORMAL_MAPPING
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vec3 eTangent = normalize(u_NormalMatrix * a_tangent);
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vec3 eBinormal = normalize(u_NormalMatrix * a_binormal);
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vec3 eNormal = normalize(u_NormalMatrix * a_normal);
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for (int i = 0; i < MAX_DIRECTIONAL_LIGHT_NUM; ++i)
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{
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v_dirLightDirection[i].x = dot(eTangent, vvec3_at(u_DirLightSourceDirection, i));
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v_dirLightDirection[i].y = dot(eBinormal, vvec3_at(u_DirLightSourceDirection, i));
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v_dirLightDirection[i].z = dot(eNormal, vvec3_at(u_DirLightSourceDirection, i));
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}
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for (int i = 0; i < MAX_POINT_LIGHT_NUM; ++i)
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{
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vec3 pointLightDir = vvec3_at(u_PointLightSourcePosition, i).xyz - ePosition.xyz;
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v_vertexToPointLightDirection[i].x = dot(eTangent, pointLightDir);
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v_vertexToPointLightDirection[i].y = dot(eBinormal, pointLightDir);
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v_vertexToPointLightDirection[i].z = dot(eNormal, pointLightDir);
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}
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for (int i = 0; i < MAX_SPOT_LIGHT_NUM; ++i)
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{
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vec3 spotLightDir = vvec3_at(u_SpotLightSourcePosition, i) - ePosition.xyz;
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v_vertexToSpotLightDirection[i].x = dot(eTangent, spotLightDir);
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v_vertexToSpotLightDirection[i].y = dot(eBinormal, spotLightDir);
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v_vertexToSpotLightDirection[i].z = dot(eNormal, spotLightDir);
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v_spotLightDirection[i].x = dot(eTangent, vvec3_at(u_SpotLightSourceDirection, i));
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v_spotLightDirection[i].y = dot(eBinormal, vvec3_at(u_SpotLightSourceDirection, i));
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v_spotLightDirection[i].z = dot(eNormal, vvec3_at(u_SpotLightSourceDirection, i));
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}
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#else
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for (int i = 0; i < MAX_POINT_LIGHT_NUM; ++i)
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{
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v_vertexToPointLightDirection[i] = vvec3_at(u_PointLightSourcePosition, i).xyz - ePosition.xyz;
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}
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for (int i = 0; i < MAX_SPOT_LIGHT_NUM; ++i)
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{
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v_vertexToSpotLightDirection[i] = vvec3_at(u_SpotLightSourcePosition, i) - ePosition.xyz;
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}
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v_normal = u_NormalMatrix * a_normal;
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#endif
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v_texCoord = a_texCoord;
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v_texCoord.y = 1.0 - v_texCoord.y;
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gl_Position = u_PMatrix * ePosition;
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}
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