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python: Reimplement tile comparison in C to speed up tests.

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This commit is contained in:
José Fonseca
2008-07-17 10:27:10 +09:00
parent 457bb10cee
commit d398e1360d
2 changed files with 54 additions and 16 deletions
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48
src/gallium/state_trackers/python/gallium.i
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@@ -425,23 +425,23 @@ error1:
void unmap( void );
void
get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, unsigned char *p, unsigned stride) {
pipe_get_tile_raw($self, x, y, w, h, p, stride);
get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, unsigned char *raw, unsigned stride) {
pipe_get_tile_raw($self, x, y, w, h, raw, stride);
}
void
put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned char *p, unsigned stride) {
pipe_put_tile_raw($self, x, y, w, h, p, stride);
put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned char *raw, unsigned stride) {
pipe_put_tile_raw($self, x, y, w, h, raw, stride);
}
void
get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *p) {
pipe_get_tile_rgba($self, x, y, w, h, p);
get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *rgba) {
pipe_get_tile_rgba($self, x, y, w, h, rgba);
}
void
put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *p) {
pipe_put_tile_rgba($self, x, y, w, h, p);
put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba) {
pipe_put_tile_rgba($self, x, y, w, h, rgba);
}
void
@@ -454,6 +454,38 @@ error1:
pipe_put_tile_z($self, x, y, w, h, z);
}
unsigned
compare_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba, float tol = 0.0)
{
float *rgba2;
const float *p1;
const float *p2;
unsigned i, j, n;
rgba2 = MALLOC(h*w*4*sizeof(float));
if(!rgba2)
return ~0;
pipe_get_tile_rgba($self, x, y, w, h, rgba2);
p1 = rgba;
p2 = rgba2;
n = 0;
for(i = h*w; i; --i) {
unsigned differs = 0;
for(j = 4; j; --j) {
float delta = *p2++ - *p1++;
if (delta < -tol || delta > tol)
differs = 1;
}
n += differs;
}
FREE(rgba2);
return n;
}
};

22
src/gallium/state_trackers/python/tests/texture.py
View File

@@ -304,15 +304,21 @@ class TextureTest(TestCase):
ctx.flush()
rgba = FloatArray(h*w*4)
cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ).get_tile_rgba(x, y, w, h, rgba)
if not compare_rgba(w, h, rgba, expected_rgba):
cbuf = cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ)
#show_image(w, h, Result=rgba, Expected=expected_rgba)
#save_image(w, h, rgba, "result.png")
#save_image(w, h, expected_rgba, "expected.png")
total = h*w
different = cbuf.compare_tile_rgba(x, y, w, h, expected_rgba, tol=4.0/256)
if different:
sys.stderr.write("%u out of %u pixels differ\n" % (different, total))
if float(total - different)/float(total) < 0.85:
if 0:
rgba = FloatArray(h*w*4)
cbuf.get_tile_rgba(x, y, w, h, rgba)
show_image(w, h, Result=rgba, Expected=expected_rgba)
save_image(w, h, rgba, "result.png")
save_image(w, h, expected_rgba, "expected.png")
#sys.exit(0)
raise TestFailure