[Mesa-dev] [PATCH 2/4] main: Use _mesa_geometric_samples to calculate GL_SAMPLE_BUFFERS

[Neil Roberts]

Otherwise it won't take into account the default samples for
framebuffers with no attachments.
---
 src/mesa/main/get.c              | 3 +++
 src/mesa/main/get_hash_params.py | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 3070597..f9b4a3c 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -1084,6 +1084,9 @@ find_custom_value(struct gl_context *ctx, const struct value_desc *d, union valu
    case GL_SAMPLES:
       v->value_int = _mesa_geometric_samples(ctx->DrawBuffer);
       break;
+   case GL_SAMPLE_BUFFERS:
+      v->value_int = _mesa_geometric_samples(ctx->DrawBuffer) > 0;
+      break;
    }
 }
 
diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
index dd4aa8c..94b364a 100644
--- a/src/mesa/main/get_hash_params.py
+++ b/src/mesa/main/get_hash_params.py
@@ -80,7 +80,7 @@ descriptor=[
   [ "SAMPLE_COVERAGE_ARB", "CONTEXT_BOOL(Multisample.SampleCoverage), NO_EXTRA" ],
   [ "SAMPLE_COVERAGE_VALUE_ARB", "CONTEXT_FLOAT(Multisample.SampleCoverageValue), NO_EXTRA" ],
   [ "SAMPLE_COVERAGE_INVERT_ARB", "CONTEXT_BOOL(Multisample.SampleCoverageInvert), NO_EXTRA" ],
-  [ "SAMPLE_BUFFERS_ARB", "BUFFER_INT(Visual.sampleBuffers), extra_new_buffers" ],
+  [ "SAMPLE_BUFFERS_ARB", "LOC_CUSTOM, TYPE_INT, 0, extra_new_buffers" ],
   [ "SAMPLES_ARB", "LOC_CUSTOM, TYPE_INT, 0, extra_new_buffers" ],
 
 # GL_ARB_sample_shading
-- 
2.5.0