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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.c8
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.h1
2 files changed, 9 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 9be1d138b86..19412af36bc 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -789,6 +789,11 @@ tgsi_exec_machine_bind_shader(
break;
case TGSI_TOKEN_TYPE_PROPERTY:
+ if (mach->Processor == TGSI_PROCESSOR_GEOMETRY) {
+ if (parse.FullToken.FullProperty.Property.PropertyName == TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES) {
+ mach->MaxOutputVertices = parse.FullToken.FullProperty.u[0].Data;
+ }
+ }
break;
default:
@@ -1621,6 +1626,9 @@ emit_vertex(struct tgsi_exec_machine *mach)
if ((mach->ExecMask & (1 << i)))
*/
if (mach->ExecMask) {
+ if (mach->Primitives[mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]] >= mach->MaxOutputVertices)
+ return;
+
mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] += mach->NumOutputs;
mach->Primitives[mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]]++;
}
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index bb56934df6c..a5369ae16a3 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -297,6 +297,7 @@ struct tgsi_exec_machine
unsigned *Primitives;
unsigned NumOutputs;
unsigned MaxGeometryShaderOutputs;
+ unsigned MaxOutputVertices;
/* FRAGMENT processor only. */
const struct tgsi_interp_coef *InterpCoefs;