stk-code_catmod/data/shaders/sp_skinning_shadow.vert
Benau 24308ced03 Remove features in SP that give no performance boost at all
gl_Layer in vertex shader, bindless and array textures
2018-01-13 14:49:33 +08:00

71 lines
2.2 KiB
GLSL

uniform int layer;
#ifdef GL_ES
uniform sampler2D skinning_tex;
#else
uniform samplerBuffer skinning_tex;
#endif
layout(location = 0) in vec3 i_position;
layout(location = 3) in vec2 i_uv;
layout(location = 6) in ivec4 i_joint;
layout(location = 7) in vec4 i_weight;
layout(location = 8) in vec3 i_origin;
#if defined(Converts_10bit_Vector)
layout(location = 9) in vec4 i_rotation_orig;
#else
layout(location = 9) in vec4 i_rotation;
#endif
layout(location = 10) in vec4 i_scale;
layout(location = 12) in ivec2 i_misc_data;
#stk_include "utils/get_world_location.vert"
out vec2 uv;
void main()
{
#if defined(Converts_10bit_Vector)
vec4 i_rotation = convert10BitVector(i_rotation_orig);
#endif
vec4 idle_position = vec4(i_position, 1.0);
vec4 skinned_position = vec4(0.0);
int skinning_offset = i_misc_data.x;
for (int i = 0; i < 4; i++)
{
#ifdef GL_ES
mat4 joint_matrix = mat4(
texelFetch(skinning_tex, ivec2
(0, clamp(i_joint[i] + skinning_offset, 0, MAX_BONES)), 0),
texelFetch(skinning_tex, ivec2
(1, clamp(i_joint[i] + skinning_offset, 0, MAX_BONES)), 0),
texelFetch(skinning_tex, ivec2
(2, clamp(i_joint[i] + skinning_offset, 0, MAX_BONES)), 0),
texelFetch(skinning_tex, ivec2
(3, clamp(i_joint[i] + skinning_offset, 0, MAX_BONES)), 0));
#else
mat4 joint_matrix = mat4(
texelFetch(skinning_tex,
clamp(i_joint[i] + skinning_offset, 0, MAX_BONES) * 4),
texelFetch(skinning_tex,
clamp(i_joint[i] + skinning_offset, 0, MAX_BONES) * 4 + 1),
texelFetch(skinning_tex,
clamp(i_joint[i] + skinning_offset, 0, MAX_BONES) * 4 + 2),
texelFetch(skinning_tex,
clamp(i_joint[i] + skinning_offset, 0, MAX_BONES) * 4 + 3));
#endif
skinned_position += i_weight[i] * joint_matrix * idle_position;
}
vec4 quaternion = normalize(vec4(i_rotation.xyz, i_scale.w));
vec4 world_position = getWorldPosition(i_origin, quaternion, i_scale.xyz,
skinned_position.xyz);
uv = i_uv;
gl_Position = u_shadow_projection_view_matrices[layer] * world_position;
}