From: Marek Olšák <marek.ol...@amd.com>
Broken by:
commit 00173d91b70ae4dcea7c6324ee4858c498cae14b
Author: Marek Olšák <marek.ol...@amd.com>
Date: Sat Jun 10 12:09:43 2017 +0200
mesa: don't flag _NEW_TRANSFORM for st/mesa if possible
It also optimizes the case slightly for GL core.
It doesn't try to fix that glEnable might be a bad place to do the
clip plane transformation.
---
src/mesa/main/enable.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index e1293f9..18a288d 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -354,22 +354,27 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap,
GLboolean state)
if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES ||
!ctx->DriverFlags.NewClipPlaneEnable) {
FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
} else {
FLUSH_VERTICES(ctx, 0);
}
ctx->NewDriverState |= ctx->DriverFlags.NewClipPlaneEnable;
if (state) {
ctx->Transform.ClipPlanesEnabled |= (1 << p);
- if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES)
+
+ /* The projection matrix transforms the clip plane. */
+ /* TODO: glEnable might not be the best place to do it. */
+ if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
_mesa_update_clip_plane(ctx, p);
+ ctx->NewDriverState |= ctx->DriverFlags.NewClipPlane;
+ }
}
else {
ctx->Transform.ClipPlanesEnabled &= ~(1 << p);
}
}
break;
case GL_COLOR_MATERIAL:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_enum_error;
if (ctx->Light.ColorMaterialEnabled == state)
--
2.7.4
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