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i965: Terminate brw_supported_msaa_modes() list with -1, not 0

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This simplifies the loop logic in a subsqequent patch that refactors
intel_quantize_num_samples() to use brw_supported_msaa_modes().

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
This commit is contained in:
Chad Versace 2013-11-15 08:21:30 -08:00
parent aad2511c6d
commit 8d1a8d65b5
1 changed files with 6 additions and 5 deletions
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11
src/mesa/drivers/dri/i965/brw_context.c
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@ -279,14 +279,15 @@ brw_init_driver_functions(struct brw_context *brw,
/**
* Return array of MSAA modes supported by the hardware. The array is
* zero-terminated and sorted in decreasing order.
* terminated by -1 and sorted in decreasing order.
*/
static const int*
brw_supported_msaa_modes(const struct brw_context *brw)
{
static const int gen7_samples[] = {8, 4, 0};
static const int gen6_samples[] = {4, 0};
static const int gen4_samples[] = {0};
static const int gen7_samples[] = {8, 4, 0, -1};
static const int gen6_samples[] = {4, 0, -1};
static const int gen4_samples[] = {0, -1};
if (brw->gen >= 7) {
return gen7_samples;
} else if (brw->gen == 6) {
@ -314,7 +315,7 @@ brw_override_max_samples(struct brw_context *brw)
/* Select the largest supported MSAA mode that does not exceed
* clamp_max_samples.
*/
for (int i = 0; supported_msaa_modes[i] != 0; ++i) {
for (int i = 0; supported_msaa_modes[i] != -1; ++i) {
if (supported_msaa_modes[i] <= clamp_max_samples) {
max_samples = supported_msaa_modes[i];
break;