[Mesa-dev] [PATCH 13/13] i965: Actually claim to support MSAA on Broadwell.

[Kenneth Graunke]

We need to advertise 8x, 4x, and 2x multisamples.  Previously, we only
claimed to support 0/1 samples.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/mesa/drivers/dri/i965/brw_context.c  | 6 ++++++
 src/mesa/drivers/dri/i965/intel_screen.c | 5 ++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

This also makes WebGL work.

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index bb194a7..5800092 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -79,6 +79,12 @@ brw_query_samples_for_format(struct gl_context *ctx, GLenum target,
    (void) target;
 
    switch (brw->gen) {
+   case 8:
+      samples[0] = 8;
+      samples[1] = 4;
+      samples[2] = 2;
+      return 3;
+
    case 7:
       samples[0] = 8;
       samples[1] = 4;
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c
index ba22971..b5b0294 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -1111,11 +1111,14 @@ intel_detect_swizzling(struct intel_screen *screen)
 const int*
 intel_supported_msaa_modes(const struct intel_screen  *screen)
 {
+   static const int gen8_modes[] = {8, 4, 2, 0, -1};
    static const int gen7_modes[] = {8, 4, 0, -1};
    static const int gen6_modes[] = {4, 0, -1};
    static const int gen4_modes[] = {0, -1};
 
-   if (screen->devinfo->gen >= 7) {
+   if (screen->devinfo->gen >= 8) {
+      return gen8_modes;
+   } else if (screen->devinfo->gen >= 7) {
       return gen7_modes;
    } else if (screen->devinfo->gen == 6) {
       return gen6_modes;
-- 
1.8.4.2