intelFastRenderClippedPoly() renders the polygon using triangles. For
polygons the provoking vertex is always the first one, and currently
this function assumes that the provoking vertex for triangles is the
last one. In case the user changed the provoking vertex convention,
the hardware may be configured to treat the first vertex of triangles
as the provoking vertex. So check the convention and emit the triangles
in the appropriate order to avoid having to change the hardware
provoking vertex convention for rendering polygons.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
When drawing quads using triangles we need to be careful to make
the provoking vertices match when flat shading.
v2: Major rebase on top of Ian's other t_dd_dmatmp.h work.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
When rendering quad strips via tri strips we can't get the provoking
vertex right, so disallow flat shading.
v2: Major rebase on top of Ian's other t_dd_dmatmp.h work.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
We can allow rendering flat shaded polygons using tri fans if we check
the provoking vertex convention.
v2 (idr): Remove _EXT suffixes from GL_FIRST_VERTEX_CONVENTION.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
From http://lists.freedesktop.org/archives/mesa-dev/2015-May/084883.html:
"There are no real error cases here, just dead code.
validate_render() is supposed to make sure we never call these
functions if the code can't actually render the primitives. The
fprintf()+return branches should really just contain assert(0) or
equivalent."
I also rearranged the if-else-block in render_quad_strip_verts to look
more like the other functions. A future patch is going to change a
bunch of that code anyway.
v2: Make "unreachable" message more descriptive. Suggested by Iago.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Using C99 initializers for the primitive arrays makes things more
readable.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Suggested-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Using C99 initializers for the primitive arrays makes things more
readable.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Suggested-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Using C99 initializers for the primitive arrays makes things more
readable.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Remove anv_color_attachment_view and anv_depth_stencil_view, merging
them into anv_attachment_view. This prepares for merging
VkAttachmentView into VkImageView.
Push the members of struct anv_surface_view into anv_image_view and
anv_buffer_view, then remove struct anv_surface_view. Observe that
anv_surface_view::range is not needed for anv_image_view, and so was
dropped there.
This prepares for the merge of VkAttachmentView into VkImageView. Remove
the common parent of anv_buffer_view and anv_image_view (that is,
anv_surface_view) will make the merge easier.
Rename all anv_*_view variables to follow this convention:
- sview -> anv_surface_view
- bview -> anv_buffer_view
- iview -> anv_image_view
- aview -> anv_attachment_view
- cview -> anv_color_attachment_view
- ds_view -> anv_depth_stencil_attachment_view
This clarifies existing code. And it will reduce noise in the upcoming
commits that merge VkAttachmentView into VkImageView.
For a given struct anv_descriptor, all members are NULL (in which case
the descriptor is empty) or exactly one member is non-NULL.
To make struct anv_descriptor better reflect its set of valid states,
convert the struct into a tagged union.
anv_meta no longer uses GLSL shaders, and the build system no longer
converts them to SPIR-V. So remove anv_meta_spirv_autogen.h from
Makefile.am.
(cherry picked from commit 2fc8122f66)
With NIR, it actually hurts things.
total instructions in shared programs: 6529329 -> 6528888 (-0.01%)
instructions in affected programs: 14833 -> 14392 (-2.97%)
helped: 299
HURT: 1
In all affected programs I inspected (including the single hurt one) the
pass CSE'd some multiplies and caused some reassociation (e.g., caused
(A * B) * C to be A * (B * C)) when the original intermediate result was
reused elsewhere.
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
We're not using any fs_inst fields, and the next commit will make the
peephole used by the vec4 backend.
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
We never emit IF instructions with an embedded comparison (lost in the
switch to NIR), so this code is not used. If we want to readd support,
we should have a pass that merges a CMP instruction with an IF or a
WHILE instruction after other optimizations have run.
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
According to the Intel Software Development Manual (Volume 1: Basic
Architecture, 12.10.3 Streaming Load Hint Instruction):
Streaming loads may be weakly ordered and may appear to software to
execute out of order with respect to other memory operations.
Software must explicitly use fences (e.g. MFENCE) if it needs to
preserve order among streaming loads or between streaming loads and
other memory operations.
That is, a memory fence is needed to preserve the order between the GPU
writing the buffer and the streaming loads reading it back.
Reported-by: Joseph Nuzman <joseph.nuzman@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
There are three types of fast clears:
a. fast depth clears
b. fast singlesample color clears
c. fast multisample color clears
Function intel_miptree_is_fast_clear_capable() checks if a miptree
supports fast clears of type (b).
Rename the function to disambiguate what it does:
old: intel_miptree_is_fast_clear_capable
new: intel_miptree_supports_non_msrt_fast_clear
The functionally accidentally rejected multisampled color surfaces
because it thought they were singlesample array surfaces. Fix that by
explicitly rejecting surfaces with samples > 1.
This fix would have been needed before we enabled layered fast
singlesample color clears (introduced in gen8), which we want to do
eventually. For now, though, this patch changes no behavior; it just
fixes how the driver chooses its behavior.
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
