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azrp: clean up the prototype triangle shader in C

This commit is contained in:
Lephenixnoir 2022-08-20 20:57:46 +02:00
parent 4ee1537084
commit b62e026fa5
Signed by: Lephenixnoir
GPG Key ID: 1BBA026E13FC0495
1 changed files with 0 additions and 45 deletions
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45
azur/src/gint/shaders/triangle.c
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@ -48,51 +48,6 @@ struct command {
int du_row, dv_row, dw_row;
};
//---
// TODO: Write in assembler
void azrp_shader_triangle_2(void *uniforms0, void *command0, void *fragment0)
{
int width = (int)uniforms0;
struct command *cmd = command0;
uint16_t *frag = fragment0;
frag += cmd->x_min + width * cmd->y;
int u = cmd->u0;
int v = cmd->v0;
int w = cmd->w0;
for(int y = 0; y < cmd->height_frag; y++) {
for(int x = cmd->x_min; x <= cmd->x_max; x++) {
if((u | v | w) > 0) {
frag[x] = cmd->color;
}
u += cmd->du_x;
v += cmd->dv_x;
w += cmd->dw_x;
}
frag += width;
u += cmd->du_row;
v += cmd->dv_row;
w += cmd->dw_row;
}
cmd->u0 = u;
cmd->v0 = v;
cmd->w0 = w;
/* Prepare next fragment */
cmd->y = 0;
cmd->height_total -= cmd->height_frag;
cmd->height_frag = min(azrp_frag_height, cmd->height_total);
}
//---
static int edge_start(int x1, int y1, int x2, int y2, int px, int py)
{
return (y2 - y1) * (px - x1) - (x2 - x1) * (py - y1);