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[vulkan] Submit particle physics push constants directly

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Trying to do it in the task system meant copying pointers in a larger
buffer, which rarely ends well.
This commit is contained in:
Bill Currie 2023-06-16 22:37:27 +09:00
parent 274e821c06
commit b33a897ae4
1 changed files with 14 additions and 22 deletions
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36
libs/video/renderer/vulkan/vulkan_particles.c
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@ -359,6 +359,7 @@ particle_physics (const exprval_t **params, exprval_t *result, exprctx_t *ectx)
{
__auto_type taskctx = (qfv_taskctx_t *) ectx;
vulkan_ctx_t *ctx = taskctx->ctx;
qfv_device_t *device = ctx->device;
particlectx_t *pctx = ctx->particle_context;
__auto_type pframe = &pctx->frames.a[ctx->curFrame];
@ -368,29 +369,20 @@ particle_physics (const exprval_t **params, exprval_t *result, exprctx_t *ectx)
pipeline->num_descriptorsets = 1;
pipeline->descriptorsets[0] = pframe->curDescriptors;
struct {
qfv_push_constants_t push_constants[2];
particle_push_constants_t constants;
} push = {
.push_constants = {
{ VK_SHADER_STAGE_COMPUTE_BIT,
field_offset (particle_push_constants_t, gravity),
sizeof (vec4f_t), &push.constants.gravity },
{ VK_SHADER_STAGE_COMPUTE_BIT,
field_offset (particle_push_constants_t, dT),
sizeof (float), &push.constants.dT },
},
.constants = {
.gravity = pctx->psystem->gravity,
.dT = vr_data.frametime,
},
particle_push_constants_t constants = {
.gravity = pctx->psystem->gravity,
.dT = vr_data.frametime,
};
if (!pipeline->push_constants) {
//FIXME figure out something better for managing push constants
pipeline->push_constants = malloc (sizeof (push));
}
memcpy (pipeline->push_constants, &push, sizeof (push));
pipeline->num_push_constants = 2;
qfv_push_constants_t push_constants[] = {
{ VK_SHADER_STAGE_COMPUTE_BIT,
field_offset (particle_push_constants_t, gravity),
sizeof (vec4f_t), &constants.gravity },
{ VK_SHADER_STAGE_COMPUTE_BIT,
field_offset (particle_push_constants_t, dT),
sizeof (float), &constants.dT },
};
QFV_PushConstants (device, taskctx->cmd, pipeline->layout,
2, push_constants);
}
static exprfunc_t particles_draw_func[] = {