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path: root/mesalib/src/mesa/main/enable.c
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Diffstat (limited to 'mesalib/src/mesa/main/enable.c')
-rw-r--r--mesalib/src/mesa/main/enable.c36
1 files changed, 31 insertions, 5 deletions
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c
index fca306890..640db8490 100644
--- a/mesalib/src/mesa/main/enable.c
+++ b/mesalib/src/mesa/main/enable.c
@@ -659,10 +659,15 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
ctx->Transform.RescaleNormals = state;
break;
case GL_SCISSOR_TEST:
- if (ctx->Scissor.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_SCISSOR);
- ctx->Scissor.Enabled = state;
+ {
+ /* Must expand glEnable to all scissors */
+ GLbitfield newEnabled =
+ state * ((1 << ctx->Const.MaxViewports) - 1);
+ if (newEnabled != ctx->Scissor.EnableFlags) {
+ FLUSH_VERTICES(ctx, _NEW_SCISSOR);
+ ctx->Scissor.EnableFlags = newEnabled;
+ }
+ }
break;
case GL_STENCIL_TEST:
if (ctx->Stencil.Enabled == state)
@@ -1076,6 +1081,20 @@ _mesa_set_enablei(struct gl_context *ctx, GLenum cap,
ctx->Color.BlendEnabled &= ~(1 << index);
}
break;
+ case GL_SCISSOR_TEST:
+ if (index >= ctx->Const.MaxViewports) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)",
+ state ? "glEnablei" : "glDisablei", index);
+ return;
+ }
+ if (((ctx->Scissor.EnableFlags >> index) & 1) != state) {
+ FLUSH_VERTICES(ctx, _NEW_SCISSOR);
+ if (state)
+ ctx->Scissor.EnableFlags |= (1 << index);
+ else
+ ctx->Scissor.EnableFlags &= ~(1 << index);
+ }
+ break;
default:
goto invalid_enum_error;
}
@@ -1117,6 +1136,13 @@ _mesa_IsEnabledi( GLenum cap, GLuint index )
return GL_FALSE;
}
return (ctx->Color.BlendEnabled >> index) & 1;
+ case GL_SCISSOR_TEST:
+ if (index >= ctx->Const.MaxViewports) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glIsEnabledIndexed(index=%u)",
+ index);
+ return GL_FALSE;
+ }
+ return (ctx->Scissor.EnableFlags >> index) & 1;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabledIndexed(cap=%s)",
_mesa_lookup_enum_by_nr(cap));
@@ -1349,7 +1375,7 @@ _mesa_IsEnabled( GLenum cap )
goto invalid_enum_error;
return ctx->Transform.RescaleNormals;
case GL_SCISSOR_TEST:
- return ctx->Scissor.Enabled;
+ return ctx->Scissor.EnableFlags & 1; /* return state for index 0 */
case GL_STENCIL_TEST:
return ctx->Stencil.Enabled;
case GL_TEXTURE_1D: