Dima353/librw-vita
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Optimized skinning vertex shader.

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This commit is contained in:
Rinnegatamante
2020-10-23 01:50:16 +02:00
parent 896ef80d96
commit 451c693101
2 changed files with 16 additions and 14 deletions
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src/gl/shaders/skin.vert
+8 -7
View File
@@ -4,7 +4,7 @@ void main(
fixed4 in_color,
half2 in_tex0,
float4 in_weights,
fixed4 in_indices,
float4 in_indices,
uniform float4x4 u_wvp,
uniform float4x4 u_world,
uniform half4 u_ambLight,
@@ -20,12 +20,13 @@ void main(
fixed out v_fog : FOG,
float4 out gl_Position : POSITION
) {
float3 SkinVertex = float3(0.0, 0.0, 0.0);
float3 SkinNormal = float3(0.0, 0.0, 0.0);
for(int i = 0; i < 4; i++){
SkinVertex += (mul(float4(in_pos, 1.0), u_boneMatrices[int(in_indices[i])])).xyz * in_weights[i];
SkinNormal += mul(in_normal, float3x3(u_boneMatrices[int(in_indices[i])])) * in_weights[i];
}
float4x4 Skin = u_boneMatrices[(int)in_indices.x] * in_weights.x
+ u_boneMatrices[(int)in_indices.y] * in_weights.y
+ u_boneMatrices[(int)in_indices.z] * in_weights.z
+ u_boneMatrices[(int)in_indices.w] * in_weights.w;
float3 SkinVertex = (mul(float4(in_pos, 1.f), Skin)).xyz;
float3 SkinNormal = (mul(float4(in_normal, 0.f), Skin)).xyz;
gl_Position = mul(float4(SkinVertex, 1.0), u_wvp);
float3 Normal = mul(SkinNormal, float3x3(u_world));
src/gl/shaders/skin_gl3.inc
+8 -7
View File
@@ -5,7 +5,7 @@ const char *skin_vert_src =
" fixed4 in_color,\n"
" half2 in_tex0,\n"
" float4 in_weights,\n"
" fixed4 in_indices,\n"
" float4 in_indices,\n"
" uniform float4x4 u_wvp,\n"
" uniform float4x4 u_world,\n"
" uniform half4 u_ambLight,\n"
@@ -21,12 +21,13 @@ const char *skin_vert_src =
" fixed out v_fog : FOG,\n"
" float4 out gl_Position : POSITION\n"
") {\n"
" float3 SkinVertex = float3(0.0, 0.0, 0.0);\n"
" float3 SkinNormal = float3(0.0, 0.0, 0.0);\n"
" for(int i = 0; i < 4; i++){\n"
" SkinVertex += (mul(float4(in_pos, 1.0), u_boneMatrices[int(in_indices[i])])).xyz * in_weights[i];\n"
" SkinNormal += mul(in_normal, float3x3(u_boneMatrices[int(in_indices[i])])) * in_weights[i];\n"
" }\n"
" float4x4 Skin = u_boneMatrices[(int)in_indices.x] * in_weights.x\n"
" + u_boneMatrices[(int)in_indices.y] * in_weights.y\n"
" + u_boneMatrices[(int)in_indices.z] * in_weights.z\n"
" + u_boneMatrices[(int)in_indices.w] * in_weights.w;\n"
" \n"
" float3 SkinVertex = (mul(float4(in_pos, 1.f), Skin)).xyz;\n"
" float3 SkinNormal = (mul(float4(in_normal, 0.f), Skin)).xyz;\n"
" \n"
" gl_Position = mul(float4(SkinVertex, 1.0), u_wvp);\n"
" float3 Normal = mul(SkinNormal, float3x3(u_world));\n"