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Diffstat (limited to 'src/example/03_texture/03_texture.c')
| -rw-r--r-- | src/example/03_texture/03_texture.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/example/03_texture/03_texture.c b/src/example/03_texture/03_texture.c new file mode 100644 index 0000000..a0493bb --- /dev/null +++ b/src/example/03_texture/03_texture.c @@ -0,0 +1,137 @@ +#include "../example.h" +#include "../../extend/mesh.h" + +static int cube[] = { + 0, 1, 2, 0, 2, 3, + 1, 5, 2, 2, 5, 6, + 4, 6, 5, 4, 7, 6, + 0, 3, 7, 0, 7, 4, + 0, 4, 1, 1, 4, 5, + 2, 6, 3, 3, 6, 7 +}; + +static Vert verts[] = { + {0, {1, 1, 1}, {1, 1, 1}, zerovec3, {1, 1}, 0xffff0000}, + {1, {-1, 1, 1}, {-1, 1, 1}, zerovec3, {0, 1},0xff00ff00}, + {2, {-1, -1, 1}, {-1, -1, 1}, zerovec3, {0, 0}, 0xff0000ff}, + {3, {1, -1, 1}, {1, -1, 1}, zerovec3, {1, 0}, 0xffff00ff}, + {4, {1, 1, -1}, {1, 1, -1}, zerovec3, {1, 0} , 0xffaa28aa}, + {5, {-1, 1, -1}, {-1, 1, -1}, zerovec3, {0, 0},0xffFFC58E}, + {6, {-1, -1, -1}, {-1, -1, -1}, zerovec3, {0, 1}, 0xffA100FF}, + {7, {1, -1, -1}, {1, -1, -1}, zerovec3, {1, 1} , 0xffFAFF00}, +}; + +extern Program ssr_built_in_shader_pbr; + +static Vec3 light = {-1, -1, -1}; + +static Texture* mech_albedo; +static Texture* mech_normal; +static Texture* mech_roughness; +static Texture* mech_metalness; +static Mesh* mech_mesh; + +static Texture* ground_albedo; +static Mesh* ground_mesh; + +static Texture* yingham_albedo; +static Mesh* yingham_mesh; + +static Texture* cyborg_albedo; +static Mesh* cyborg_mesh; + +void onloadtexture(void* data) { + ssr_matrixmode(MATRIX_PROJECTION); + ssr_loadidentity(); + ssr_perspective(90, ssr_getaspect(), 0.1, 10); + //ssr_ortho(-5, 5, -4, 4, 0.1, 10); + + ssr_bindvertices(verts, 8, cube, 12); + ssr_useprogram(&ssr_built_in_shader_pbr); + ssr_enable(ENABLE_BACKFACECULL | ENABLE_DEPTHTEST | ENABLE_WRITEDEPTH | ENABLE_BLEND); + + ssr_setblendfunc(BLEND_SRC_ALPHA, BLEND_ONE_MINUS_SRC_ALPHA); + + mech_albedo = texture_loadfromfile("res/dieselpunk/mech_basecolor.tga"); + mech_normal = texture_loadfromfile("res/dieselpunk/mech_normal.tga"); + mech_roughness = texture_loadfromfile("res/dieselpunk/mech_roughness.tga"); + mech_metalness = texture_loadfromfile("res/dieselpunk/mech_metalness.tga"); + mech_mesh = mesh_loadfromobj("res/dieselpunk/mech.obj"); + ground_albedo = texture_loadfromfile("res/dieselpunk/ground_basecolor.tga"); + ground_mesh = mesh_loadfromobj("res/dieselpunk/ground.obj"); + yingham_albedo = texture_loadfromfile("res/dieselpunk/yingham_basecolor.tga"); + yingham_mesh = mesh_loadfromobj("res/dieselpunk/yingham.obj"); + + cyborg_albedo = texture_loadfromfile("res/cyborg/cyborg_diffuse.png"); + cyborg_mesh = mesh_loadfromobj("res/cyborg/cyborg.obj"); +} + +void oneventtexture(void* data) { + SDL_Event* e = (SDL_Event*)data; +} + +static float _t = 0; +static Quat q; + +void onupdatetexture(void*data) { + uint dt = *(uint*)data; + _t += dt / 1000.f; + + ssr_matrixmode(MATRIX_VIEW); + ssr_loadidentity(); + float distance = 2; + Vec3 p = { distance * sin(_t), 3, distance * cos(_t) }, target = { 0, 0, 0 }; + //Vec3 p = { 0, 0, 700}, target = { 0, 0, 0 }; + ssr_lookat(&p, &target, &vec3up); + + ssr_matrixmode(MATRIX_MODEL); + ssr_loadidentity(); + //ssr_translate(0, 0, -700); + //ssr_rotate(_t * 10, 0, 1, 0); + + Vec3 light = {1, 0, 0}; + ssr_setuniformvec3(0, &light); + + Mat4 world2object; + ssr_getm(&world2object); + //mat4_invertgeneral3d(&world2object, &world2object); + //mat4_transpose(&world2object, &world2object); // transpose it + + ssr_setuniformmat4(0, &world2object); +} + +void ondrawtexture(void*data) { + ssr_clearcolor(0xff202020); + ssr_cleardepth(); + ssr_clearstencil(0); +///* +// ssr_enable(ENABLE_STENCILTEST); +// ssr_setstencilfunc(STENCILFUNC_ALWAYS, 1, 0xff); +// ssr_setstencilop(STENCILOP_KEEP, STENCILOP_KEEP, STENCILOP_REPLACE); +//*/ +// /*render mech*/ +// ssr_setuniformtex(0, mech_albedo); +// ssr_setuniformtex(1, mech_normal); +// ssr_setuniformtex(2, mech_roughness); +// ssr_setuniformtex(3, mech_metalness); +// ssr_bindvertices(mech_mesh->vertices, mech_mesh->vert_count, mech_mesh->triangles, mech_mesh->tris_count); +// ssr_draw(PRIMITIVE_TRIANGLE); +///* +// ssr_setstencilfunc(STENCILFUNC_EQUAL, 1, 0xff); +// ssr_setstencilop(STENCILOP_KEEP, STENCILOP_KEEP, STENCILOP_KEEP); +//*/ +// /*render yingham*/ +// ssr_setuniformtex(0, yingham_albedo); +// ssr_bindvertices(yingham_mesh->vertices, yingham_mesh->vert_count, yingham_mesh->triangles, yingham_mesh->tris_count); +// ssr_draw(PRIMITIVE_TRIANGLE); +// +// /*render ground*/ +// ssr_setuniformtex(0, ground_albedo); +// ssr_bindvertices(ground_mesh->vertices, ground_mesh->vert_count, ground_mesh->triangles, ground_mesh->tris_count); +// ssr_draw(PRIMITIVE_TRIANGLE); +// + ssr_setuniformtex(0, cyborg_albedo); + ssr_bindvertices(cyborg_mesh->vertices, cyborg_mesh->vert_count, cyborg_mesh->triangles, cyborg_mesh->tris_count); + ssr_draw(PRIMITIVE_TRIANGLE); + +} |