diff options
| author | Eric Anholt <eric@anholt.net> | 2009-04-06 09:54:29 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-04-06 11:17:25 -0700 |
| commit | 6b187cc8a5041fe2bba1ecc34aa86516ebe8b1b0 (patch) | |
| tree | 511bd892915132e32a2c708589ba93a2d8a4ebeb /src/mesa/drivers/dri | |
| parent | e7aef006e50d0b859c621267af8376f5a0f43445 (diff) | |
intel: Avoid dri2 GetBuffers round-trips for internal Viewport calls.
This gets us the savings for driver-internal viewport calls that
dd1c68f15123a889a3ce9d2afe724e272d163e32 was attempting, without relying
on Xlib internals or clients handling X events.
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_context.c | 8 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_context.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_pixel.c | 4 |
3 files changed, 10 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c index 888bb3f18f..a664e74936 100644 --- a/src/mesa/drivers/dri/intel/intel_context.c +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -307,9 +307,11 @@ intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) if (!driContext->driScreenPriv->dri2.enabled) return; - intel_update_renderbuffers(driContext, driContext->driDrawablePriv); - if (driContext->driDrawablePriv != driContext->driReadablePriv) - intel_update_renderbuffers(driContext, driContext->driReadablePriv); + if (!intel->internal_viewport_call) { + intel_update_renderbuffers(driContext, driContext->driDrawablePriv); + if (driContext->driDrawablePriv != driContext->driReadablePriv) + intel_update_renderbuffers(driContext, driContext->driReadablePriv); + } old_viewport = ctx->Driver.Viewport; ctx->Driver.Viewport = NULL; diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h index e520ecf220..d635f3f50d 100644 --- a/src/mesa/drivers/dri/intel/intel_context.h +++ b/src/mesa/drivers/dri/intel/intel_context.h @@ -180,6 +180,7 @@ struct intel_context struct intel_region *front_region; struct intel_region *back_region; struct intel_region *depth_region; + GLboolean internal_viewport_call; /** * This value indicates that the kernel memory manager is being used diff --git a/src/mesa/drivers/dri/intel/intel_pixel.c b/src/mesa/drivers/dri/intel/intel_pixel.c index 7041ff389a..fc0ac0b79c 100644 --- a/src/mesa/drivers/dri/intel/intel_pixel.c +++ b/src/mesa/drivers/dri/intel/intel_pixel.c @@ -184,7 +184,9 @@ intel_meta_set_passthrough_transform(struct intel_context *intel) intel->meta.saved_vp_height = ctx->Viewport.Height; intel->meta.saved_matrix_mode = ctx->Transform.MatrixMode; + intel->internal_viewport_call = GL_TRUE; _mesa_Viewport(0, 0, ctx->DrawBuffer->Width, ctx->DrawBuffer->Height); + intel->internal_viewport_call = GL_FALSE; _mesa_MatrixMode(GL_PROJECTION); _mesa_PushMatrix(); @@ -206,8 +208,10 @@ intel_meta_restore_transform(struct intel_context *intel) _mesa_MatrixMode(intel->meta.saved_matrix_mode); + intel->internal_viewport_call = GL_TRUE; _mesa_Viewport(intel->meta.saved_vp_x, intel->meta.saved_vp_y, intel->meta.saved_vp_width, intel->meta.saved_vp_height); + intel->internal_viewport_call = GL_FALSE; } /** |