graphics/paysages3d
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Water raster now uses ParallelQueue

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This commit is contained in:
Michaël Lemaire 2013-07-07 00:45:43 +02:00
parent e09b812869
commit 595ac664c4
1 changed files with 52 additions and 4 deletions
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56
src/rendering/water/wat_raster.c
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@ -2,8 +2,10 @@
#include "private.h"
#include <stdlib.h>
#include <math.h>
#include "../renderer.h"
#include "../tools.h"
#include "../tools/parallel.h"
static Color _postProcessFragment(Renderer* renderer, Vector3 location, void* data)
{
@ -34,8 +36,41 @@ static void _renderQuad(Renderer* renderer, double x, double z, double size)
renderer->pushQuad(renderer, v1, v2, v3, v4, _postProcessFragment, NULL);
}
typedef struct
{
Renderer* renderer;
int i;
double cx;
double cz;
double radius_int;
double chunk_size;
double radius_ext;
} ParallelRasterInfo;
static int _parallelJobCallback(ParallelQueue* queue, int job_id, void* data, int stopping)
{
ParallelRasterInfo* info = (ParallelRasterInfo*)data;
UNUSED(queue);
UNUSED(job_id);
if (!stopping)
{
_renderQuad(info->renderer, info->cx - info->radius_ext + info->chunk_size * info->i, info->cz - info->radius_ext, info->chunk_size);
_renderQuad(info->renderer, info->cx + info->radius_int, info->cz - info->radius_ext + info->chunk_size * info->i, info->chunk_size);
_renderQuad(info->renderer, info->cx + info->radius_int - info->chunk_size * info->i, info->cz + info->radius_int, info->chunk_size);
_renderQuad(info->renderer, info->cx - info->radius_ext, info->cz + info->radius_int - info->chunk_size * info->i, info->chunk_size);
}
free(data);
return 0;
}
void waterRenderSurface(Renderer* renderer)
{
ParallelRasterInfo* info;
ParallelQueue* queue;
queue = parallelQueueCreate(0);
int chunk_factor, chunk_count, i;
Vector3 cam = renderer->getCameraLocation(renderer, VECTOR_ZERO);
double radius_int, radius_ext, base_chunk_size, chunk_size;
@ -64,10 +99,20 @@ void waterRenderSurface(Renderer* renderer)
for (i = 0; i < chunk_count - 1; i++)
{
_renderQuad(renderer, cx - radius_ext + chunk_size * i, cz - radius_ext, chunk_size);
_renderQuad(renderer, cx + radius_int, cz - radius_ext + chunk_size * i, chunk_size);
_renderQuad(renderer, cx + radius_int - chunk_size * i, cz + radius_int, chunk_size);
_renderQuad(renderer, cx - radius_ext, cz + radius_int - chunk_size * i, chunk_size);
info = malloc(sizeof(ParallelRasterInfo));
info->renderer = renderer;
info->cx = cx;
info->cz = cz;
info->i = i;
info->radius_int = radius_int;
info->radius_ext = radius_ext;
info->chunk_size = chunk_size;
if (!parallelQueueAddJob(queue, _parallelJobCallback, info))
{
free(info);
}
}
if (radius_int > 20.0 && chunk_count % 64 == 0 && (double)chunk_factor < radius_int / 20.0)
@ -80,4 +125,7 @@ void waterRenderSurface(Renderer* renderer)
radius_int = radius_ext;
radius_ext += chunk_size;
}
parallelQueueWait(queue);
parallelQueueDelete(queue);
}