stk-code_catmod/data/shaders/instanced_skinning_shadow.vert

58 lines
1.5 KiB
GLSL

uniform int layer;
layout(location = 0) in vec3 Position;
layout(location = 3) in vec4 Data1;
layout(location = 5) in ivec4 Joint;
layout(location = 6) in vec4 Weight;
layout(location = 7) in vec3 Origin;
layout(location = 8) in vec3 Orientation;
layout(location = 9) in vec3 Scale;
#ifdef Use_Bindless_Texture
layout(location = 11) in uvec2 Handle;
#endif
layout(location = 15) in int skinning_offset;
#ifdef VSLayer
out vec2 uv;
#ifdef Use_Bindless_Texture
flat out uvec2 handle;
#endif
#else
out vec2 tc;
out int layerId;
#ifdef Use_Bindless_Texture
flat out uvec2 hdle;
#endif
#endif
#stk_include "utils/getworldmatrix.vert"
void main(void)
{
mat4 ModelMatrix = getWorldMatrix(Origin, Orientation, Scale);
vec4 idle_position = vec4(Position, 1.);
vec4 skinned_position = vec4(0.);
for (int i = 0; i < 4; i++)
{
vec4 single_bone_influenced_position = joint_matrices[clamp(Joint[i] + skinning_offset, 0, MAX_BONES)] * idle_position;
single_bone_influenced_position /= single_bone_influenced_position.w;
skinned_position += Weight[i] * single_bone_influenced_position;
}
#ifdef VSLayer
gl_Layer = layer;
gl_Position = ShadowViewProjMatrixes[gl_Layer] * ModelMatrix * skinned_position;
uv = Data1.xy;
#ifdef Use_Bindless_Texture
handle = Handle;
#endif
#else
layerId = layer;
gl_Position = ShadowViewProjMatrixes[layerId] * ModelMatrix * skinned_position;
tc = Data1.xy;
#ifdef Use_Bindless_Texture
hdle = Handle;
#endif
#endif
}