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meta: Use is_power_of_two() helper function

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Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
This commit is contained in:
Anuj Phogat
2015-06-01 09:32:55 -07:00
parent 278460279b
commit 6c14b66e40
1 changed files with 3 additions and 3 deletions
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src/mesa/drivers/common/meta_blit.c
+3 -3
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@@ -82,7 +82,7 @@ setup_glsl_msaa_blit_scaled_shader(struct gl_context *ctx,
y_scale = samples * 0.5;
/* We expect only power of 2 samples in source multisample buffer. */
assert(samples > 0 && (samples & (samples - 1)) == 0);
assert(samples > 0 && is_power_of_two(samples));
while (samples >> (shader_offset + 1)) {
shader_offset++;
}
@@ -263,7 +263,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
}
/* We expect only power of 2 samples in source multisample buffer. */
assert(samples > 0 && (samples & (samples - 1)) == 0);
assert(samples > 0 && is_power_of_two(samples));
while (samples >> (shader_offset + 1)) {
shader_offset++;
}
@@ -434,7 +434,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
* (so the floating point exponent just gets increased), rather than
* doing a naive sum and dividing.
*/
assert((samples & (samples - 1)) == 0);
assert(is_power_of_two(samples));
/* Fetch each individual sample. */
sample_resolve = rzalloc_size(mem_ctx, 1);
for (i = 0; i < samples; i++) {