The TGSI FBFETCH instruction is used for implementing framebuffer-reads
when doing for instance advanced blends. It's used by both
EXT_shader_framebuffer_fetch_non_coherent and
KHR_blend_equation_advanced.
Sadly, libepoxy doesn't yet support the glFramebufferFetchBarrierEXT
function needed to implement this on top of
EXT_shader_framebuffer_fetch_non_coherent itself, so let's just implement
it on top of EXT_shader_framebuffer_fetch instead for now.
This means that we'll have slightly higher requirements for enabling
this functionality than the level of functionality we provide through it.
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
[cherry-picked from mesa 1393999541f3956156bf227209ecbf6d814ffc8f]
Signed-off-by: Dave Airlie <airlied@redhat.com>
This requires adding new protocol to pass the width/height/layers/sample
default values from the host.
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Add a capability and some queries to expose compute shaders
to the host.
v2: expose more limits, check feature on launch grid
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
For compute shaders we put the req local memory into the streamout
places in the protocol, and we create compute shaders in a separate
lookup function
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
This mostly consists of adding local memory support, and
support for the compute system values.
The req_local_mem need to be gotten from the guest side
and passed into the shader compile so we can size the
shared memory correctly.
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
This fixes somes bugs in the existing code and
refactors the sampler array support to more closely
follow the image array code.
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Adds a VIRGL_RENDERER_USE_GLES flag for specifying the API to request
when creating the EGL context.
Users can enable this flag when using vtest with the VTEST_USE_GLES
environment variable.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
To make it easier to run the test suite on environments without graphics
hardware, add an environment variable VIRGL_EGL_SURFACELESS that will
force the use of the surfaceless platform.
Combined with the following flags, we can run virglrenderer and its
tests without any graphics hardware or windowing system present:
LIBGL_ALWAYS_SOFTWARE=true GALLIUM_DRIVER=llvmpipe VIRGL_EGL_SURFACELESS=yes
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
GL4.2/GLES3.1 adds glMemoryBarrier so make sure we can handle it.
v2: add a cap bit for this for guest
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
This adds support for the TXQS opcode, and RESQ w channel
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
This adds support for tracking images, and binding them
to the GL context.
includes:
vrend_renderer: create texture when TBO is used as image
vrend_renderer: specify correct access to glBindImageTexture
v2:
vrend_renderer: invert glBindImageTexture layered logic
v3: fix decode macros (Gert pointed out for ssbo)
v4: add max image samples to the caps.
add image arrays.
use mask var outside loop (Gert)
change img_locs type to GLint and printf on fail (Gert)
Co-authors: Gurchetan Singh <gurchetansingh@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
This converts the image related opcodes, and tracks the used
images.
Images need some extensions for extra features:
ES_3_1_compatability is needed for r32f image support
shader_image_size for image size support
v2: image: fix missing emit for atomic,
use a shader req for images extension
extend cas_str - we overflowed this
v2.1: drop extra breaks, use decl last for range check (Tomeu)
v3: add indirect support,
drop pointless debug print (Gert)
use 512 in load path.
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
This just brings over some defines from the gallium codebase.
Co-authors: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-By: Gert Wollny <gert.wollny@collabora.com>
This avois them overflowing when we have long swizzled gl_
which happens more with compute shaders and images
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
v3: Correct gl_ver parameter for vrend_renderer_fill_caps_gl (Gurchetan)
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
[airlied: remove some extra whitespace]
Signed-off-by: Dave Airlie <airlied@redhat.com>
The values are set to zero by clearing the structure, no need to set
them individually.
v2: - Don't remove max_viewports initialization (Erik)
- remove some more zero-initializations
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
If the client sends vrend_transfer_send_readpixels a stride (and vtest does),
then it is in bytes, but glPixelStorei(GL_PACK_ROW_LENGTH, stride) expects
the value to be pixels.
Fixes:
42e2a4ca7d
vrend: use the row-stride when directly reading back to an IOV
Tested-by: Jakob Bornecrantz <jakob@collabora.com>
Reviewed-by: Jakob Bornecrantz <jakob@collabora.com>
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob@collabora.com>
Currently based on feat_multisample, but glSampleMaski isn't supported
with the same versions.
v2: Update to use new feature code.
Signed-off-by: David Riley <davidriley@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
When guest mesa does a glReadPixel call, it expects the data to be placed
with correct row strides into the readback buffer. While for calls that
invert or require more then one IOV this is done in write_transfer_data,
for a read that only uses a small area and offset making it fit into the
first IOV this was not done. Consequently, in this case configure the
PACK_ROW_LENGTH accordingly.
v2: fix whitespace issues
This fixes a number of piglits:
arb_copy_image-targets (for texture_2d source or dest, non-compressed)
arb_get_texture_multisample/sample_position
arb_texture_rectangle/fbo-blit rect
arb_get_texture__sub_image-cubemap
Reviewed-by: Elie Tournier <elie.tournier@collabora.com>
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob@collabora.com>
These VREND_BIND_*-flags here are basically a subset of the
VIRGL_BIND_*-flags, with one custom flag added. So let's just use
those, and use an unused big from the others for the swizzle-flag.
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This copy of the bind-flags should not be used, as they are a duplicate
set of what can already be found in virgl_hw.h.
But to avoid breaking theoretical, unknown users, we shouldn't remove
them either. So let's just add a comment to tell people not to use
them.
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
These are identical to the corresponding VIRGL_BIND-flags,
so let's get rid of this duplicate definition.
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Mesa have these in it's virgl_hw.h copy, and the values needs to
stay in sync between mesa and virglrenderer here. So let's add this
definition here, where it can be defined only once.
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This controls access to the Blend*i* interfaces.
remove comment for colormask interfaces where this doesn't apply.
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Erik Faye-Lund
Ilia Mirkin
Dave Airlie
Tomeu Vizoso
Gert Wollny
David Riley
Lepton Wu