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tests: Refactor out transform buffer creation. 

Signed-off-by: Hans-Kristian Arntzen <post@arntzen-software.no>
This commit is contained in:
Hans-Kristian Arntzen 2021-08-26 15:03:09 +02:00
parent 99d2e39dfa
commit 82db981b26
1 changed files with 22 additions and 12 deletions
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34
tests/d3d12_raytracing.c
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@ -340,6 +340,27 @@ static void init_test_geometry(ID3D12Device *device, struct test_geometry *geom)
}
}
static ID3D12Resource *create_transform_buffer(ID3D12Device *device, unsigned int count, float x_stride)
{
ID3D12Resource *transform_buffer;
float *transform;
unsigned int i;
transform = calloc(12 * count, sizeof(float));
for (i = 0; i < count; i++)
{
/* Row-major affine transform. */
transform[12 * i + 0] = 1.0f;
transform[12 * i + 5] = 1.0f;
transform[12 * i + 10] = 1.0f;
transform[12 * i + 3] = x_stride * (float)i;
}
transform_buffer = create_upload_buffer(device, 12 * count * sizeof(float), transform);
free(transform);
return transform_buffer;
}
void test_raytracing(void)
{
#define NUM_GEOM_DESC 6
@ -406,18 +427,7 @@ void test_raytracing(void)
init_test_geometry(device, &test_geom);
/* Create a transform buffer which is used when building bottom AS. Row-major affine transform. */
{
float transform[3 * NUM_GEOM_DESC][4] = {{0.0f}};
for (i = 0; i < NUM_GEOM_DESC; i++)
{
transform[3 * i + 0][0] = 1.0f;
transform[3 * i + 1][1] = 1.0f;
transform[3 * i + 2][2] = 1.0f;
transform[3 * i + 0][3] = GEOM_OFFSET_X * (float)i;
}
transform_buffer = create_upload_buffer(device, sizeof(transform), transform);
}
transform_buffer = create_transform_buffer(device, NUM_GEOM_DESC, GEOM_OFFSET_X);
/* Create bottom AS. One quad is centered around origin, but other triangle is translated. */
{