wine/vkd3d
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/vkd3d.git synced 2025-09-12 18:50:22 -07:00
Code Issues Packages Projects Releases Wiki Activity

demos/teapot: Add a tessellation demo.

Browse Source
This commit is contained in:
Henri Verbeet
2025-06-16 18:49:08 +02:00
parent d572f4ac1f
commit 5911e410a8
Notes: Henri Verbeet 2025-06-18 16:00:25 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1575
8 changed files with 932 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
demos/demo.h
View File

@@ -38,6 +38,7 @@
#define COBJMACROS
#include <vkd3d_d3d12.h>
#include <inttypes.h>
#include <math.h>
#ifdef __WIN32__
#define DEMO_ASM_PUSHSECTION ".section rdata\n\t"
@@ -81,12 +82,14 @@
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*x))
#define DEMO_KEY_UNKNOWN 0x0000
#define DEMO_KEY_ESCAPE 0xff1b
#define DEMO_KEY_LEFT 0xff51
#define DEMO_KEY_UP 0xff52
#define DEMO_KEY_RIGHT 0xff53
#define DEMO_KEY_DOWN 0xff54
#define DEMO_KEY_UNKNOWN 0x0000
#define DEMO_KEY_ESCAPE 0xff1b
#define DEMO_KEY_LEFT 0xff51
#define DEMO_KEY_UP 0xff52
#define DEMO_KEY_RIGHT 0xff53
#define DEMO_KEY_DOWN 0xff54
#define DEMO_KEY_KP_ADD 0xffab
#define DEMO_KEY_KP_SUBTRACT 0xffad
struct demo_vec3
{
@@ -103,6 +106,11 @@ struct demo_matrix
float m[4][4];
};
struct demo_patch
{
uint16_t p[4][4];
};
struct demo_swapchain_desc
{
unsigned int width;
@@ -120,6 +128,36 @@ static inline void demo_vec3_set(struct demo_vec3 *v, float x, float y, float z)
v->z = z;
}
static inline void demo_vec3_subtract(struct demo_vec3 *v, const struct demo_vec3 *a, const struct demo_vec3 *b)
{
demo_vec3_set(v, a->x - b->x, a->y - b->y, a->z - b->z);
}
static inline float demo_vec3_dot(const struct demo_vec3 *a, const struct demo_vec3 *b)
{
return a->x * b->x + a->y * b->y + a->z * b->z;
}
static inline float demo_vec3_length(const struct demo_vec3 *v)
{
return sqrtf(demo_vec3_dot(v, v));
}
static inline void demo_vec3_scale(struct demo_vec3 *v, const struct demo_vec3 *a, float s)
{
demo_vec3_set(v, a->x * s, a->y * s, a->z *s);
}
static inline void demo_vec3_normalise(struct demo_vec3 *v, const struct demo_vec3 *a)
{
demo_vec3_scale(v, a, 1.0f / demo_vec3_length(a));
}
static inline void demo_vec3_cross(struct demo_vec3 *v, const struct demo_vec3 *a, const struct demo_vec3 *b)
{
demo_vec3_set(v, a->y * b->z - a->z * b->y, a->z * b->x - a->x * b->z, a->x * b->y - a->y * b->x);
}
static inline void demo_vec4_set(struct demo_vec4 *v, float x, float y, float z, float w)
{
v->x = x;
@@ -128,6 +166,27 @@ static inline void demo_vec4_set(struct demo_vec4 *v, float x, float y, float z,
v->w = w;
}
static inline void demo_matrix_look_at_rh(struct demo_matrix *m, const struct demo_vec3 *eye,
const struct demo_vec3 *ref, const struct demo_vec3 *up)
{
struct demo_vec3 f, s, t, u;
demo_vec3_subtract(&f, eye, ref);
demo_vec3_normalise(&f, &f);
demo_vec3_cross(&s, up, &f);
demo_vec3_normalise(&s, &s);
demo_vec3_cross(&u, &f, &s);
demo_vec3_set(&t, demo_vec3_dot(&s, eye), demo_vec3_dot(&u, eye), demo_vec3_dot(&f, eye));
*m = (struct demo_matrix)
{{
{ s.x, u.x, f.x, 0.0f},
{ s.y, u.y, f.y, 0.0f},
{ s.z, u.z, f.z, 0.0f},
{-t.x, -t.y, -t.z, 1.0f},
}};
}
static inline void demo_matrix_multiply(struct demo_matrix *out,
const struct demo_matrix *a, const struct demo_matrix *b)
{