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particle_oriented_animated_quad_vbuf*: increase particle count

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This commit is contained in:
Zack Buhman 2025-11-09 23:12:20 -06:00
parent 3ebdfda196
commit 872f0c31a8
2 changed files with 25 additions and 7 deletions
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11
src/particle_oriented_animated_quad_vbuf.cpp
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@ -243,6 +243,8 @@ void _3d_particle_inner(int particles_length, int position_offset)
{
const int vertex_count = 4 * particles_length;
assert(vertex_count <= 0xffffff);
//////////////////////////////////////////////////////////////////////////////
// VF
//////////////////////////////////////////////////////////////////////////////
@ -285,14 +287,17 @@ void _3d_particle_inner(int particles_length, int position_offset)
// 3D_DRAW
//////////////////////////////////////////////////////////////////////////////
T0V(VAP_ALT_NUM_VERTICES,
vertex_count);
T3(_3D_DRAW_VBUF_2, (1 - 1));
TU( VAP_VF_CNTL__PRIM_TYPE(13) // quad list
| VAP_VF_CNTL__PRIM_WALK(2) // vertex list (data fetched from memory)
| VAP_VF_CNTL__INDEX_SIZE(0)
| VAP_VF_CNTL__VTX_REUSE_DIS(0)
| VAP_VF_CNTL__DUAL_INDEX_MODE(0)
| VAP_VF_CNTL__USE_ALT_NUM_VERTS(0)
| VAP_VF_CNTL__NUM_VERTICES(vertex_count)
| VAP_VF_CNTL__USE_ALT_NUM_VERTS(1)
| VAP_VF_CNTL__NUM_VERTICES(0)
);
}
@ -730,7 +735,7 @@ int main()
int colorbuffer_ix = 0;
float theta = PI * 0.5;
particle particles[16 * 16] = {};
particle particles[512 * 256] = {};
const int particles_length = (sizeof (particles)) / (sizeof (particles[0]));
vertexbuffer_handle = init_particles_vertexbuffer(fd, particles_length, &vertexbuffer_ptr);
init_particles(particles, particles_length);

21
src/particle_oriented_animated_quad_vbuf_pixel_shader.cpp
View File

@ -7,6 +7,7 @@
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include <fcntl.h>
#include <sys/mman.h>
@ -275,6 +276,8 @@ void _3d_particle_inner(int particles_length, int position_offset)
{
const int vertex_count = 4 * particles_length;
assert(vertex_count <= 0xffffff);
//////////////////////////////////////////////////////////////////////////////
// VF
//////////////////////////////////////////////////////////////////////////////
@ -317,14 +320,17 @@ void _3d_particle_inner(int particles_length, int position_offset)
// 3D_DRAW
//////////////////////////////////////////////////////////////////////////////
T0V(VAP_ALT_NUM_VERTICES,
vertex_count);
T3(_3D_DRAW_VBUF_2, (1 - 1));
TU( VAP_VF_CNTL__PRIM_TYPE(13) // quad list
| VAP_VF_CNTL__PRIM_WALK(2) // vertex list (data fetched from memory)
| VAP_VF_CNTL__INDEX_SIZE(0)
| VAP_VF_CNTL__VTX_REUSE_DIS(0)
| VAP_VF_CNTL__DUAL_INDEX_MODE(0)
| VAP_VF_CNTL__USE_ALT_NUM_VERTS(0)
| VAP_VF_CNTL__NUM_VERTICES(vertex_count)
| VAP_VF_CNTL__USE_ALT_NUM_VERTS(1)
| VAP_VF_CNTL__NUM_VERTICES(0)
);
}
@ -1309,8 +1315,8 @@ int main()
int colorbuffer_ix = 0;
float theta = PI * 0.5;
const int floatbuffer_width = 64;
const int floatbuffer_height = 64;
const int floatbuffer_width = 512;
const int floatbuffer_height = 256;
floatbuffer_state state = create_floatbuffers(fd, floatbuffer_width * floatbuffer_height);
vertexbuffer_handle = init_particles_vertexbuffer(fd, state.length, &vertexbuffer_ptr);
@ -1366,6 +1372,13 @@ int main()
if (ret == -1)
break;
struct timespec duration = {
.tv_sec = 0,
.tv_nsec = 18000000,
};
nanosleep(&duration, NULL);
}
primary_surface_address(rmmio, colorbuffer_ix);