#include "3dgfx.h"
#include "polyfill.h"
#include "inttypes.h"
+#include "util.h"
#define STACK_SIZE 8
typedef float g3d_matrix[16];
st->height = height;
st->pixels = pixels;
- pimg_fb.pixels = pixels;
- pimg_fb.width = width;
- pimg_fb.height = height;
+ pfill_fb.pixels = pixels;
+ pfill_fb.width = width;
+ pfill_fb.height = height;
}
void g3d_enable(unsigned int opt)
st->mtl.shin = shin;
}
+static INLINE int calc_shift(unsigned int x)
+{
+ int res = -1;
+ while(x) {
+ x >>= 1;
+ ++res;
+ }
+ return res;
+}
+
+static INLINE int calc_mask(unsigned int x)
+{
+ return x - 1;
+}
+
+void g3d_set_texture(int xsz, int ysz, void *pixels)
+{
+ pfill_tex.pixels = pixels;
+ pfill_tex.width = xsz;
+ pfill_tex.height = ysz;
+
+ pfill_tex.xshift = calc_shift(xsz);
+ pfill_tex.yshift = calc_shift(ysz);
+ pfill_tex.xmask = calc_mask(xsz);
+ pfill_tex.ymask = calc_mask(ysz);
+}
+
void g3d_draw(int prim, const struct g3d_vertex *varr, int varr_size)
{
g3d_draw_indexed(prim, varr, varr_size, 0, 0);
v[i].y = (0.5f - v[i].y * 0.5f) * (float)st->height;
/* convert pos to 24.8 fixed point */
- pv[i].x = (int32_t)(v[i].x * 256.0f);
- pv[i].y = (int32_t)(v[i].y * 256.0f);
+ pv[i].x = cround64(v[i].x * 256.0f);
+ pv[i].y = cround64(v[i].y * 256.0f);
/* convert tex coords to 16.16 fixed point */
- pv[i].u = (int32_t)(v[i].u * 65536.0f);
- pv[i].v = (int32_t)(v[i].v * 65536.0f);
+ pv[i].u = cround64(v[i].u * 65536.0f);
+ pv[i].v = cround64(v[i].v * 65536.0f);
/* pass the color through as is */
pv[i].r = v[i].r;
pv[i].g = v[i].g;
color[2] += st->mtl.kd[2] * st->lt[i].b * ndotl;
}
- r = color[0] * 255.0;
- g = color[1] * 255.0;
- b = color[2] * 255.0;
+ r = cround64(color[0] * 255.0);
+ g = cround64(color[1] * 255.0);
+ b = cround64(color[2] * 255.0);
v->r = r > 255 ? 255 : r;
v->g = g > 255 ? 255 : g;