[Mesa-dev] [PATCH] i965: add 2xMSAA and 16xMSAA to DRI configs for Gen9.
kevin.rogovin at intel.com
kevin.rogovin at intel.com
Thu Aug 24 11:16:39 UTC 2017
From: Kevin Rogovin <kevin.rogovin at intel.com>
Special thanks to Eero Tamminen for reporting rasterizer
numbers being twice what it should be for 2xMSAA under
a benchmark.
Signed-off-by: Kevin Rogovin <kevin.rogovin at intel.com>
---
src/mesa/drivers/dri/i965/intel_screen.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c
index 579554f..67eb776 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -1882,7 +1882,7 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
};
static const uint8_t singlesample_samples[1] = {0};
- static const uint8_t multisample_samples[2] = {4, 8};
+ static const uint8_t multisample_samples_2_4_8_16[] = {2, 4, 8, 16};
struct intel_screen *screen = dri_screen->driverPrivate;
const struct gen_device_info *devinfo = &screen->devinfo;
@@ -1959,6 +1959,7 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
* supported. Singlebuffer configs are not supported because no one wants
* them.
*/
+
for (unsigned i = 0; i < ARRAY_SIZE(formats); i++) {
if (devinfo->gen < 6)
break;
@@ -1966,6 +1967,7 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
__DRIconfig **new_configs;
const int num_depth_stencil_bits = 2;
int num_msaa_modes = 0;
+ const uint8_t *multisample_samples = NULL;
depth_bits[0] = 0;
stencil_bits[0] = 0;
@@ -1978,10 +1980,16 @@ intel_screen_make_configs(__DRIscreen *dri_screen)
stencil_bits[1] = 8;
}
- if (devinfo->gen >= 7)
+ if (devinfo->gen >= 9) {
+ multisample_samples = multisample_samples_2_4_8_16;
+ num_msaa_modes = 4;
+ } else if (devinfo->gen >= 7) {
+ multisample_samples = multisample_samples_2_4_8_16 + 1;
num_msaa_modes = 2;
- else if (devinfo->gen == 6)
+ } else if (devinfo->gen == 6) {
+ multisample_samples = multisample_samples_2_4_8_16 + 1;
num_msaa_modes = 1;
+ }
new_configs = driCreateConfigs(formats[i],
depth_bits,
--
2.7.4
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