X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2F3dgfx.h;h=2a82284b7a3dfcccebf1d33f6f4b725870c3ac7c;hp=68d0783ace5b50cb925453326bf0f7628ed555b3;hb=45f6f46fe758d15aafccdb69ae837fc7d84ee466;hpb=90a1ba8903eed9e3d4b17f4b56cd02ed801dd8b6 diff --git a/src/3dgfx.h b/src/3dgfx.h index 68d0783..2a82284 100644 --- a/src/3dgfx.h +++ b/src/3dgfx.h @@ -1,11 +1,13 @@ #ifndef THREEDGFX_H_ #define THREEDGFX_H_ +#include "inttypes.h" + struct g3d_vertex { float x, y, z, w; float nx, ny, nz; float u, v; - unsigned char r, g, b; + unsigned char r, g, b, a; }; enum { @@ -17,10 +19,16 @@ enum { /* g3d_enable/g3d_disable bits */ enum { - G3D_CULL_FACE = 1, - G3D_DEPTH_TEST = 2, /* XXX not implemented */ - G3D_LIGHTING = 4, - G3D_TEXTURE = 8, + G3D_CULL_FACE = 0x0001, + G3D_DEPTH_TEST = 0x0002, /* XXX not implemented */ + G3D_LIGHTING = 0x0004, + G3D_LIGHT0 = 0x0008, + G3D_LIGHT1 = 0x0010, + G3D_LIGHT2 = 0x0020, + G3D_LIGHT3 = 0x0040, + G3D_TEXTURE = 0x0080, + G3D_BLEND = 0x0100, + G3D_TEXTURE_GEN = 0x0200, G3D_ALL = 0x7fffffff }; @@ -28,6 +36,15 @@ enum { /* arg to g3d_front_face */ enum { G3D_CCW, G3D_CW }; +/* arg to g3d_polygon_mode */ +enum { + G3D_WIRE, + G3D_FLAT, + G3D_GOURAUD, + G3D_TEX, + G3D_TEX_GOURAUD +}; + /* matrix stacks */ enum { G3D_MODELVIEW, @@ -40,6 +57,7 @@ int g3d_init(void); void g3d_destroy(void); void g3d_framebuffer(int width, int height, void *pixels); +void g3d_viewport(int x, int y, int w, int h); void g3d_enable(unsigned int opt); void g3d_disable(unsigned int opt); @@ -47,6 +65,7 @@ void g3d_setopt(unsigned int opt, unsigned int mask); unsigned int g3d_getopt(unsigned int mask); void g3d_front_face(unsigned int order); +void g3d_polygon_mode(int pmode); void g3d_matrix_mode(int mmode); @@ -63,10 +82,33 @@ void g3d_ortho(float left, float right, float bottom, float top, float znear, fl void g3d_frustum(float left, float right, float bottom, float top, float znear, float zfar); void g3d_perspective(float vfov, float aspect, float znear, float zfar); +/* returns pointer to the *internal* matrix, and if argument m is not null, + * also copies the internal matrix there. */ const float *g3d_get_matrix(int which, float *m); +void g3d_light_pos(int idx, float x, float y, float z); +void g3d_light_color(int idx, float r, float g, float b); + +void g3d_light_ambient(float r, float g, float b); + +void g3d_mtl_diffuse(float r, float g, float b); +void g3d_mtl_specular(float r, float g, float b); +void g3d_mtl_shininess(float shin); + +void g3d_set_texture(int xsz, int ysz, void *pixels); + void g3d_draw(int prim, const struct g3d_vertex *varr, int varr_size); void g3d_draw_indexed(int prim, const struct g3d_vertex *varr, int varr_size, - const int16_t *iarr, int iarr_size); + const uint16_t *iarr, int iarr_size); + +void g3d_begin(int prim); +void g3d_end(void); +void g3d_vertex(float x, float y, float z); +void g3d_normal(float x, float y, float z); +void g3d_color3b(unsigned char r, unsigned char g, unsigned char b); +void g3d_color4b(unsigned char r, unsigned char g, unsigned char b, unsigned char a); +void g3d_color3f(float r, float g, float b); +void g3d_color4f(float r, float g, float b, float a); +void g3d_texcoord(float u, float v); #endif /* THREEDGFX_H_ */