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3d:: shader acceleration for 3D ball and 3D halfspace

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Zeno Rogue
2019-09-12 22:38:47 +02:00
parent fbefc50775
commit bc3e7f2e95
4 changed files with 68 additions and 26 deletions
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polygons.cpp
+20 -8
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@@ -511,20 +511,32 @@ void glapplymatrix(const transmatrix& V) {
return;
}
for(int y=0; y<3; y++) {
for(int x=0; x<3; x++) mat[id++] = V[x][y];
mat[id++] = 0;
if(DIM == 3) {
for(int y=0; y<4; y++)
for(int x=0; x<4; x++) mat[id++] = V[x][y];
}
else {
for(int y=0; y<3; y++) {
for(int x=0; x<3; x++) mat[id++] = V[x][y];
mat[id++] = 0;
}
mat[12] = 0;
mat[13] = 0;
if(glhr::current_shader_projection != glhr::shader_projection::band)
mat[14] = GLfloat(vid.alpha);
else
mat[14] = 0;
mat[15] = 1;
}
mat[12] = 0;
mat[13] = 0;
mat[14] = (glhr::current_shader_projection != glhr::shader_projection::band) ? GLfloat(vid.alpha) : 0;
mat[15] = 1;
if(vid.stretch != 1) mat[1] *= vid.stretch, mat[5] *= vid.stretch, mat[9] *= vid.stretch, mat[13] *= vid.stretch;
if(conformal::model_has_orientation())
if(conformal::model_has_orientation()) {
for(int a=0; a<4; a++)
conformal::apply_orientation(mat[a*4], mat[a*4+1]);
if(DIM == 3) for(int a=0; a<4; a++)
conformal::apply_orientation_yz(mat[a*4+2], mat[a*4+2]);
}
glhr::set_modelview(glhr::as_glmatrix(mat));
}