gba-x3dtest
changeset 9:b0ed38f13261
working on the rasterizer
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sun, 22 Jun 2014 05:16:10 +0300 |
| parents | fb0a0d6a8b52 |
| children | 23f716fa7f10 |
| files | Makefile.sdl src/config.h src/game.c src/main.c src/main_sdl.c src/palman.c src/palman.h src/polyfill.c src/sdlsys/gbasys.h src/x3d.c src/x3d.h |
| diffstat | 11 files changed, 326 insertions(+), 42 deletions(-) [+] |
line diff
1.1 --- a/Makefile.sdl Thu Jun 19 05:53:46 2014 +0300 1.2 +++ b/Makefile.sdl Sun Jun 22 05:16:10 2014 +0300 1.3 @@ -4,7 +4,9 @@ 1.4 dep = $(obj:.o=.d) 1.5 bin = trycatch 1.6 1.7 -CFLAGS = -pedantic -Wall -g `pkg-config sdl --cflags` -Isrc -Isrc/sdlsys 1.8 +warn = -Wall -Wno-unused-function 1.9 + 1.10 +CFLAGS = -pedantic $(warn) -g `pkg-config sdl --cflags` -Isrc -Isrc/sdlsys 1.11 LDFLAGS = `pkg-config sdl --libs` -lm 1.12 1.13 $(bin): $(obj) 1.14 @@ -13,6 +15,11 @@ 1.15 %.x86.o: %.c 1.16 $(CC) $(CFLAGS) -o $@ -c $< 1.17 1.18 +-include $(dep) 1.19 + 1.20 +%.x86.d: %.c 1.21 + @$(CPP) $(CFLAGS) $< -MM -MT $(@:.d=.o) >$@ 1.22 + 1.23 .PHONY: clean 1.24 clean: 1.25 rm -f $(obj) $(bin)
2.1 --- a/src/config.h Thu Jun 19 05:53:46 2014 +0300 2.2 +++ b/src/config.h Sun Jun 22 05:16:10 2014 +0300 2.3 @@ -1,8 +1,24 @@ 2.4 #ifndef CONFIG_H_ 2.5 #define CONFIG_H_ 2.6 2.7 -#define GFX_MODE VMODE_LFB_160x128_16 2.8 +#include "gbasys.h" 2.9 + 2.10 +/* 3: 240x160:16 2.11 + * 4: 240x160:8 2.12 + * 5: 160x128:16 2.13 + */ 2.14 +#define GFX_MODE 5 2.15 + 2.16 +#if (GFX_MODE == 3) || (GFX_MODE == 4) 2.17 +#define WIDTH 240 2.18 +#define HEIGHT 160 2.19 +#else 2.20 #define WIDTH 160 2.21 #define HEIGHT 128 2.22 +#endif 2.23 + 2.24 +#if (GFX_MODE == 4) 2.25 +#define PALMODE 2.26 +#endif 2.27 2.28 #endif /* CONFIG_H_ */
3.1 --- a/src/game.c Thu Jun 19 05:53:46 2014 +0300 3.2 +++ b/src/game.c Sun Jun 22 05:16:10 2014 +0300 3.3 @@ -4,23 +4,32 @@ 3.4 #include "x3d.h" 3.5 #include "sincos.h" 3.6 #include "fixed.h" 3.7 +#include "palman.h" 3.8 + 3.9 +static void draw_rect(int x, int y, int w, int h, uint16_t color); 3.10 3.11 #define X16INT(x) ((x) << 16) 3.12 3.13 static const int32_t poly[] = { 3.14 - X16INT(80), X16INT(10), 0, 3.15 - X16INT(140), X16INT(100), 0, 3.16 - X16INT(40), X16INT(80), 0 3.17 + X16INT(120), X16INT(20), 0, 3.18 + X16INT(200), X16INT(130), 0, 3.19 + X16INT(40), X16INT(100), 0 3.20 }; 3.21 static const short vcount = sizeof poly / sizeof *poly / 3; 3.22 3.23 int game_init(void) 3.24 { 3.25 sincos_init(); 3.26 +#ifdef PALMODE 3.27 + palman_init(); 3.28 +#endif 3.29 3.30 return 0; 3.31 } 3.32 3.33 +static short keyrot; 3.34 +static int autorot = 1; 3.35 + 3.36 void game_draw(void) 3.37 { 3.38 unsigned long msec = get_millisec(); 3.39 @@ -29,22 +38,119 @@ 3.40 3.41 x3d_load_identity(); 3.42 x3d_translate(-itox16(WIDTH / 2), -itox16(HEIGHT / 2), 0); 3.43 - x3d_rotate((msec / 64) << 16, 0, 0, 65536); 3.44 + if(autorot) { 3.45 + x3d_rotate((msec / 64) << 16, 0, 0, 65536); 3.46 + } else { 3.47 + x3d_rotate(keyrot << 16, 0, 0, 65536); 3.48 + } 3.49 x3d_translate(itox16(WIDTH / 2), itox16(HEIGHT / 2), 0); 3.50 3.51 x3d_vertex_array(vcount, poly); 3.52 3.53 +#ifdef PALMODE 3.54 + x3d_color_index(255); 3.55 +#else 3.56 x3d_color(65536, 65536, 65536); 3.57 +#endif 3.58 x3d_draw_arrays(X3D_TRIANGLES, vcount); 3.59 3.60 +#ifdef PALMODE 3.61 + x3d_color_index(RGBPAL(0, 255, 0)); 3.62 +#else 3.63 x3d_color(0, 65536, 0); 3.64 +#endif 3.65 x3d_draw_arrays(X3D_POINTS, vcount); 3.66 + x3d_vertex_array(0, 0); 3.67 3.68 - x3d_vertex_array(0, 0); 3.69 + draw_rect(0, 0, WIDTH, HEIGHT, RGBPAL(255, 0, 0)); 3.70 + draw_rect(1, 1, WIDTH - 2, HEIGHT - 2, RGBPAL(0, 255, 0)); 3.71 + draw_rect(2, 2, WIDTH - 4, HEIGHT - 4, RGBPAL(32, 64, 255)); 3.72 3.73 flip(); 3.74 } 3.75 3.76 void game_keyb(int key, int pressed) 3.77 { 3.78 + if(!pressed) return; 3.79 + 3.80 + switch(key) { 3.81 + case KEY_LEFT: 3.82 + keyrot--; 3.83 + break; 3.84 + 3.85 + case KEY_RIGHT: 3.86 + keyrot++; 3.87 + break; 3.88 + 3.89 + case KEY_A: 3.90 + autorot = !autorot; 3.91 + break; 3.92 + 3.93 + default: 3.94 + break; 3.95 + } 3.96 } 3.97 + 3.98 +#ifdef PALMODE 3.99 +#define ROWADV (WIDTH / 2) 3.100 +#else 3.101 +#define ROWADV WIDTH 3.102 +#endif 3.103 + 3.104 +static void draw_rect(int x, int y, int w, int h, uint16_t color) 3.105 +{ 3.106 + int i, xsz = w, ysz = h; 3.107 + uint16_t *pixels = back_buffer->pixels; 3.108 + uint16_t *topleft, *topright, *botleft; 3.109 + 3.110 +#ifdef PALMODE 3.111 + pixels += (y * WIDTH + x) / 2; 3.112 + topleft = pixels; 3.113 + topright = (uint16_t*)back_buffer->pixels + (y * WIDTH + x + w - 1) / 2; 3.114 + 3.115 + color |= color << 8; 3.116 + xsz /= 2; 3.117 +#else 3.118 + pixels += y * WIDTH + x; 3.119 + topleft = pixels; 3.120 + topright = topleft + w - 1; 3.121 +#endif 3.122 + botleft = topleft + (ysz - 1) * ROWADV; 3.123 + 3.124 +#ifdef PALMODE 3.125 + if(x & 1) { 3.126 + *topleft = (*topleft & 0xff) | (color & 0xff00); 3.127 + *botleft = (*topleft & 0xff) | (color & 0xff00); 3.128 + ++topleft; 3.129 + ++botleft; 3.130 + xsz -= 1; 3.131 + } 3.132 +#endif 3.133 + for(i=0; i<xsz; i++) { 3.134 + *topleft++ = color; 3.135 + *botleft++ = color; 3.136 + } 3.137 + 3.138 + topleft = pixels; 3.139 + for(i=0; i<ysz; i++) { 3.140 +#ifdef PALMODE 3.141 + if(x & 1) { 3.142 + *topleft = (*topleft & 0xff) | (color & 0xff00); 3.143 + } else { 3.144 + *topleft = (*topleft & 0xff00) | (color & 0xff); 3.145 + } 3.146 + 3.147 + if((x + w - 1) & 1) { 3.148 + *topright = (*topright & 0xff) | (color & 0xff00); 3.149 + } else { 3.150 + *topright = (*topright & 0xff00) | (color & 0xff); 3.151 + } 3.152 +#else 3.153 + *topleft = color; 3.154 + *topright = color; 3.155 +#endif 3.156 + 3.157 + topleft += ROWADV; 3.158 + topright += ROWADV; 3.159 + } 3.160 +}
4.1 --- a/src/main.c Thu Jun 19 05:53:46 2014 +0300 4.2 +++ b/src/main.c Sun Jun 22 05:16:10 2014 +0300 4.3 @@ -20,7 +20,7 @@ 4.4 4.5 interrupt(INTR_KEY, keyb_intr); 4.6 4.7 - set_video_mode(VMODE_LFB_160x128_16, 1); 4.8 + set_video_mode(GFX_MODE, 1); 4.9 4.10 clear_buffer(front_buffer, 0); 4.11 set_text_writebg(1);
5.1 --- a/src/main_sdl.c Thu Jun 19 05:53:46 2014 +0300 5.2 +++ b/src/main_sdl.c Sun Jun 22 05:16:10 2014 +0300 5.3 @@ -5,6 +5,14 @@ 5.4 #include "gbasys.h" 5.5 #include "game.h" 5.6 5.7 +#ifdef PALMODE 5.8 +#define BPP 8 5.9 +#define PIXSZ 1 5.10 +#else 5.11 +#define BPP 16 5.12 +#define PIXSZ 2 5.13 +#endif 5.14 + 5.15 static int proc_events(SDL_Event *ev); 5.16 static void handle_keyboard(int key, int state); 5.17 5.18 @@ -29,7 +37,7 @@ 5.19 5.20 SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_NOPARACHUTE); 5.21 5.22 - if(!(surf = SDL_SetVideoMode(WIDTH * sdlscale, HEIGHT * sdlscale, 16, SDL_SWSURFACE))) { 5.23 + if(!(surf = SDL_SetVideoMode(WIDTH * sdlscale, HEIGHT * sdlscale, BPP, SDL_SWSURFACE))) { 5.24 fprintf(stderr, "failed to initialize graphics\n"); 5.25 return 1; 5.26 } 5.27 @@ -37,8 +45,8 @@ 5.28 5.29 bbuf.x = WIDTH; 5.30 bbuf.y = HEIGHT; 5.31 - bbuf.bpp = 16; 5.32 - if(!(bbuf.pixels = malloc(WIDTH * HEIGHT * 2))) { 5.33 + bbuf.bpp = BPP; 5.34 + if(!(bbuf.pixels = malloc(WIDTH * HEIGHT * PIXSZ))) { 5.35 fprintf(stderr, "failed to allocate framebuffer (%dx%d)\n", WIDTH, HEIGHT); 5.36 SDL_Quit(); 5.37 return 1; 5.38 @@ -53,7 +61,11 @@ 5.39 5.40 for(;;) { 5.41 SDL_Event ev; 5.42 +#ifdef PALMODE 5.43 + uint8_t *dest, *src; 5.44 +#else 5.45 uint16_t *dest, *src; 5.46 +#endif 5.47 5.48 while(SDL_PollEvent(&ev)) { 5.49 if(proc_events(&ev) == -1) { 5.50 @@ -102,14 +114,32 @@ 5.51 5.52 void clear_buffer(struct pixel_buffer *pbuf, unsigned short color) 5.53 { 5.54 - int i; 5.55 + int i, sz = pbuf->x * pbuf->y; 5.56 unsigned short *pixels = pbuf->pixels; 5.57 5.58 - for(i=0; i<pbuf->x * pbuf->y; i++) { 5.59 +#ifdef PALMODE 5.60 + color |= color << 8; 5.61 + sz /= 2; 5.62 +#endif 5.63 + 5.64 + for(i=0; i<sz; i++) { 5.65 *pixels++ = color; 5.66 } 5.67 } 5.68 5.69 +void set_palette(int idx, int r, int g, int b) 5.70 +{ 5.71 + SDL_Color col; 5.72 + col.r = r; 5.73 + col.g = g; 5.74 + col.b = b; 5.75 + 5.76 + if(SDL_SetPalette(surf, SDL_LOGPAL | SDL_PHYSPAL, &col, idx, 1) != 1) { 5.77 + fprintf(stderr, "set_palette failed to set the required color\n"); 5.78 + } 5.79 +} 5.80 + 5.81 + 5.82 int get_key_state(int key) 5.83 { 5.84 return keystate & key; 5.85 @@ -125,7 +155,7 @@ 5.86 switch(ev->type) { 5.87 case SDL_KEYDOWN: 5.88 case SDL_KEYUP: 5.89 - handle_keyboard(ev->key.keysym.sym, ev->key.state == SDL_KEYDOWN); 5.90 + handle_keyboard(ev->key.keysym.sym, ev->key.state); 5.91 break; 5.92 5.93 case SDL_QUIT: 5.94 @@ -173,6 +203,7 @@ 5.95 break; 5.96 5.97 case '\n': 5.98 + case '\r': 5.99 gba_key = KEY_A; 5.100 break; 5.101 case '\b':
6.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 6.2 +++ b/src/palman.c Sun Jun 22 05:16:10 2014 +0300 6.3 @@ -0,0 +1,16 @@ 6.4 +#include "gbasys.h" 6.5 +#include "palman.h" 6.6 + 6.7 +void palman_init(void) 6.8 +{ 6.9 + int i; 6.10 + 6.11 + for(i=0; i<255; i++) { 6.12 + int r = GET_R_PAL(i); 6.13 + int g = GET_G_PAL(i); 6.14 + int b = GET_B_PAL(i); 6.15 + 6.16 + set_palette(i, r, g, b); 6.17 + } 6.18 + set_palette(255, 255, 255, 255); 6.19 +}
7.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 7.2 +++ b/src/palman.h Sun Jun 22 05:16:10 2014 +0300 7.3 @@ -0,0 +1,13 @@ 7.4 +#ifndef PALMAN_H_ 7.5 +#define PALMAN_H_ 7.6 + 7.7 +#define RGBPAL(r, g, b) \ 7.8 + (((r) & 0xe0) | (((g) >> 3) & 0x1c) | (((b) >> 6) & 0x3)) 7.9 + 7.10 +#define GET_R_PAL(c) ((c) & 0xe0) 7.11 +#define GET_G_PAL(c) (((c) & 0x1c) << 3) 7.12 +#define GET_B_PAL(c) (((c) & 0x3) << 6) 7.13 + 7.14 +void palman_init(void); 7.15 + 7.16 +#endif /* PALMAN_H_ */
8.1 --- a/src/polyfill.c Thu Jun 19 05:53:46 2014 +0300 8.2 +++ b/src/polyfill.c Sun Jun 22 05:16:10 2014 +0300 8.3 @@ -5,14 +5,18 @@ 8.4 #include "fixed.h" 8.5 #include "gbasys.h" 8.6 8.7 -static void fill_scanline(int y, int x0, int x1, uint16_t color); 8.8 +#define VNEXT(x, n) (((x) + 1) % (n)) 8.9 +#define VPREV(x, n) ((x) > 0 ? (x) - 1 : (n) - 1) 8.10 + 8.11 +static void fill_scanline_pal(int y, int x0, int x1, uint8_t color); 8.12 +static void fill_scanline_rgb(int y, int x0, int x1, uint16_t color); 8.13 8.14 void draw_poly(int num, const pvec3 *verts, uint16_t color) 8.15 { 8.16 int i, topidx = 0, botidx = 0; 8.17 - int lidx[2], ridx[2]; 8.18 + int lidx[2] = {-1, -1}, ridx[2] = {-1, -1}; 8.19 int32_t y, topy, boty; 8.20 - int32_t ldy, rdy, ldxdy, rdxdy; 8.21 + int32_t ldy = 0, rdy = 0, ldxdy, rdxdy; 8.22 int32_t lx, rx; 8.23 int start, end; 8.24 8.25 @@ -30,22 +34,46 @@ 8.26 } 8.27 8.28 lidx[0] = ridx[0] = topidx; 8.29 - lidx[1] = topidx ? topidx - 1 : num - 1; 8.30 - ridx[1] = (topidx + 1) % num; 8.31 + 8.32 + /* find starting left edge */ 8.33 + lidx[1] = VPREV(lidx[0], num); 8.34 + ldy = verts[lidx[1]].y - verts[lidx[0]].y; 8.35 + 8.36 + while(ldy == 0) { 8.37 + lidx[0] = lidx[1]; 8.38 + lidx[1] = VPREV(lidx[1], num); 8.39 + 8.40 + if(lidx[1] == topidx) { 8.41 + return; /* degenerate */ 8.42 + } 8.43 + 8.44 + ldy = verts[lidx[1]].y - verts[lidx[0]].y; 8.45 + } 8.46 + lx = verts[lidx[0]].x; 8.47 + ldxdy = x16div(verts[lidx[1]].x - lx, ldy); 8.48 + 8.49 + /* find starting right edge */ 8.50 + ridx[1] = VNEXT(ridx[0], num); 8.51 + rdy = verts[ridx[1]].y - verts[ridx[0]].y; 8.52 + 8.53 + while(rdy == 0) { 8.54 + ridx[0] = ridx[1]; 8.55 + ridx[1] = VNEXT(ridx[1], num); 8.56 + 8.57 + if(ridx[1] == topidx) { 8.58 + return; /* degenerate */ 8.59 + } 8.60 + 8.61 + rdy = verts[ridx[1]].y - verts[ridx[0]].y; 8.62 + } 8.63 + rx = verts[ridx[0]].x; 8.64 + rdxdy = x16div(verts[ridx[1]].x - rx, rdy); 8.65 + 8.66 8.67 if(verts[ridx[1]].x < verts[lidx[1]].x) { 8.68 - return; /* backface (CCW) */ 8.69 + return; /* backface (CCW) */ 8.70 } 8.71 8.72 - lx = rx = verts[lidx[0]].x; 8.73 - 8.74 - /* TODO handle ldy == 0 or rdy == 0 */ 8.75 - ldy = verts[lidx[1]].y - verts[lidx[0]].y; 8.76 - ldxdy = x16div(verts[lidx[1]].x - lx, ldy); 8.77 - 8.78 - rdy = verts[ridx[1]].y - verts[ridx[0]].y; 8.79 - rdxdy = x16div(verts[ridx[1]].x - rx, rdy); 8.80 - 8.81 start = topy >> 16; 8.82 end = boty >> 16; 8.83 8.84 @@ -53,18 +81,12 @@ 8.85 8.86 y = topy; 8.87 for(i=start; i<end; i++) { 8.88 - unsigned short x0, x1; 8.89 - 8.90 - x0 = lx < 0 ? 0 : (lx >> 16); 8.91 - x1 = (rx >> 16) >= WIDTH ? WIDTH - 1 : (rx >> 16); 8.92 - 8.93 - if(i >= 0 && x1 > x0) { 8.94 - fill_scanline(i, x0, x1, color); 8.95 - } 8.96 + short x0, x1; 8.97 8.98 if(y >= verts[lidx[1]].y) { 8.99 + lx = verts[lidx[1]].x; 8.100 lidx[0] = lidx[1]; 8.101 - lidx[1] = lidx[1] ? lidx[1] - 1 : num - 1; 8.102 + lidx[1] = VPREV(lidx[1], num); 8.103 ldy = verts[lidx[1]].y - verts[lidx[0]].y; 8.104 if(ldy < 0) { 8.105 break; 8.106 @@ -72,8 +94,9 @@ 8.107 ldxdy = x16div(verts[lidx[1]].x - lx, ldy); 8.108 } 8.109 if(y >= verts[ridx[1]].y) { 8.110 + rx = verts[ridx[1]].x; 8.111 ridx[0] = ridx[1]; 8.112 - ridx[1] = (ridx[1] + 1) % num; 8.113 + ridx[1] = VNEXT(ridx[1], num); 8.114 rdy = verts[ridx[1]].y - verts[ridx[0]].y; 8.115 if(rdy < 0) { 8.116 break; 8.117 @@ -81,13 +104,58 @@ 8.118 rdxdy = x16div(verts[ridx[1]].x - rx, rdy); 8.119 } 8.120 8.121 + x0 = lx < 0 ? 0 : (lx >> 16); 8.122 + x1 = (rx >> 16) >= WIDTH ? WIDTH - 1 : (rx >> 16); 8.123 + 8.124 + if(i >= 0 && x1 > x0) { 8.125 +#ifdef PALMODE 8.126 + fill_scanline_pal(i, x0, x1, (uint8_t)color); 8.127 +#else 8.128 + fill_scanline_rgb(i, x0, x1, color); 8.129 +#endif 8.130 + } 8.131 + 8.132 lx += ldxdy; 8.133 rx += rdxdy; 8.134 y += 65536; 8.135 } 8.136 } 8.137 8.138 -static void fill_scanline(int y, int x0, int x1, uint16_t color) 8.139 + 8.140 +static void fill_scanline_pal(int y, int x0, int x1, uint8_t color) 8.141 +{ 8.142 +#if 1 8.143 + int i, num_pairs, num_pix = x1 - x0; 8.144 + uint16_t *pixels = (uint16_t*)back_buffer->pixels + (y * WIDTH + x0) / 2; 8.145 + uint16_t colpair = (uint16_t)color | ((uint16_t)color << 8); 8.146 + 8.147 + if(x0 & 1) { 8.148 + uint16_t pix = *pixels & 0xff; 8.149 + *pixels++ = pix | ((uint16_t)color << 8); 8.150 + --num_pix; 8.151 + } 8.152 + 8.153 + num_pairs = (num_pix & 0xfffe) / 2; 8.154 + 8.155 + for(i=0; i<num_pairs; i++) { 8.156 + *pixels++ = colpair; 8.157 + } 8.158 + 8.159 + if(num_pix & 1) { 8.160 + uint16_t pix = *pixels & 0xff00; 8.161 + *pixels = pix | color; 8.162 + } 8.163 +#else 8.164 + int i; 8.165 + uint8_t *pixels = (uint8_t*)back_buffer->pixels + y * WIDTH + x0; 8.166 + 8.167 + for(i=x0; i<x1; i++) { 8.168 + *pixels++ = color; 8.169 + } 8.170 +#endif 8.171 +} 8.172 + 8.173 +static void fill_scanline_rgb(int y, int x0, int x1, uint16_t color) 8.174 { 8.175 int i; 8.176 uint16_t *pixels = (uint16_t*)back_buffer->pixels + y * WIDTH + x0; 8.177 @@ -108,5 +176,14 @@ 8.178 return; 8.179 } 8.180 8.181 +#ifdef PALMODE 8.182 + pixels += (y * WIDTH + x) / 2; 8.183 + if(x & 1) { 8.184 + *pixels = (*pixels & 0xff) | (color << 8); 8.185 + } else { 8.186 + *pixels = (*pixels & 0xff00) | color; 8.187 + } 8.188 +#else 8.189 pixels[y * WIDTH + x] = color; 8.190 +#endif 8.191 }
9.1 --- a/src/sdlsys/gbasys.h Thu Jun 19 05:53:46 2014 +0300 9.2 +++ b/src/sdlsys/gbasys.h Sun Jun 22 05:16:10 2014 +0300 9.3 @@ -22,6 +22,7 @@ 9.4 /* defined in main_sdl.c */ 9.5 void flip(void); 9.6 void clear_buffer(struct pixel_buffer *pbuf, unsigned short color); 9.7 +void set_palette(int idx, int r, int g, int b); 9.8 9.9 /* ---- fake gbasys/input.h ---- */ 9.10 enum {
10.1 --- a/src/x3d.c Thu Jun 19 05:53:46 2014 +0300 10.2 +++ b/src/x3d.c Sun Jun 22 05:16:10 2014 +0300 10.3 @@ -1,3 +1,4 @@ 10.4 +#include "config.h" 10.5 #include <string.h> 10.6 #include "x3d.h" 10.7 #include "fixed.h" 10.8 @@ -33,6 +34,7 @@ 10.9 static unsigned short color_count; 10.10 10.11 static int32_t im_color[3]; 10.12 +static uint8_t im_color_index; 10.13 10.14 void x3d_projection(int32_t fov, int32_t aspect, int32_t nearz, int32_t farz) 10.15 { 10.16 @@ -155,7 +157,10 @@ 10.17 int i, j, pverts = prim; 10.18 const int32_t *vptr = vertex_array; 10.19 const int32_t *cptr = color_array; 10.20 +#ifndef PALMODE 10.21 short cr, cg, cb; 10.22 +#endif 10.23 + uint16_t color; 10.24 10.25 if(!vertex_array) return -1; 10.26 10.27 @@ -181,6 +186,9 @@ 10.28 if(cptr) cptr += 3; 10.29 } 10.30 10.31 +#ifdef PALMODE 10.32 + color = im_color_index; 10.33 +#else 10.34 cr = col[0].x >> 8; 10.35 cg = col[0].y >> 8; 10.36 cb = col[0].z >> 8; 10.37 @@ -189,9 +197,12 @@ 10.38 if(cg > 255) cg = 255; 10.39 if(cb > 255) cb = 255; 10.40 10.41 + color = RGB(cr, cg, cb); 10.42 +#endif 10.43 + 10.44 switch(pverts) { 10.45 case X3D_POINTS: 10.46 - draw_point(vpos, RGB(cr, cg, cb)); 10.47 + draw_point(vpos, color); 10.48 break; 10.49 10.50 case X3D_LINES: 10.51 @@ -199,7 +210,7 @@ 10.52 10.53 case X3D_TRIANGLES: 10.54 case X3D_QUADS: 10.55 - draw_poly(pverts, vpos, RGB(cr, cg, cb)); 10.56 + draw_poly(pverts, vpos, color); 10.57 break; 10.58 } 10.59 } 10.60 @@ -239,6 +250,11 @@ 10.61 } 10.62 } 10.63 10.64 +void x3d_color_index(int cidx) 10.65 +{ 10.66 + im_color_index = cidx; 10.67 +} 10.68 + 10.69 void x3d_color(int32_t r, int32_t g, int32_t b) 10.70 { 10.71 im_color[0] = r;
11.1 --- a/src/x3d.h Thu Jun 19 05:53:46 2014 +0300 11.2 +++ b/src/x3d.h Sun Jun 22 05:16:10 2014 +0300 11.3 @@ -25,6 +25,7 @@ 11.4 void x3d_color_array(int count, const int32_t *ptr); 11.5 int x3d_draw_arrays(int prim, int vnum); 11.6 11.7 +void x3d_color_index(int cidx); 11.8 void x3d_color(int32_t r, int32_t g, int32_t b); 11.9 11.10 #endif /* X3D_H_ */