This is required to implement glMinSampleShading().
Sadly, we've been setting has_sample_shading for a while, even
though this is needed. So we need to set a capability so mesa will
know that it's safe to emit this command.
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Query the number of supported samples and the sample position and
store these to the caps.v2 structure. We support only up to 16 samples.
This implementation requires a GL host backend.
v2: - glTexImage2Dmultisample is not available on a gles 3.1 host
and trying to call it crashed qemu (Jakob Bornecrantz)
Use glTexStorage2DMultisample instead and delete texture each
round because the texture becomes immutable.
- move call to get sample positions only when caps v2 needs to be
filled.
v3: - rebase against master
- take care of nits (Dave)
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
In the copy fallback, when a texture can not be rendered, the data that resides
in the backing iovec needs to be used. For the non-zero levels of mip-map textures
the data is located at an offset. This patch adds storing this offset and using it
when data is read from the backing iovec and updating the dst iov. We limit the
mip-map levels for which this is done to 1-17, which is enough to cover
32kx32k textures. The patch also fixes the stride when accessing mip-map levels.
Fixes:
dEQP-GLES3.functional.texture.specification.teximage3d_depth.depth_component24_2d_array
dEQP-GLES3.functional.texture.specification.texsubimage3d_depth.depth_component32f_2d_array
dEQP-GLES3.functional.texture.specification.texsubimage3d_depth.depth_component24_2d_array
dEQP-GLES3.functional.texture.specification.texsubimage3d_depth.depth_component16_2d_array
dEQP-GLES3.functional.texture.specification.texsubimage3d_depth.depth32f_stencil8_2d_array
dEQP-GLES3.functional.texture.specification.texsubimage3d_depth.depth24_stencil8_2d_array
v2: * rebase and remove unused variables
* also correct offset when writing to the destination backing iovec
v3: * follow mesa/virgl notation and range for storing the mip-map offsets
Suggested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob@collabora.com>
v2: With epoxy GL/gl.h is not directly included (Dave Airlie).
Instead move the include of epoxy/gl.h from vrend_renderer.c to
vrend_renderer.h
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Allow resources created externally (eg gbm created buffers as
dma bufs) to be used. As an example, crosvm
(https://chromium.googlesource.com/chromiumos/platform/crosvm/)
will intercept resource creation to use minigbm to allocate
buffers that its compositor is able to properly handle since it
only supports compositing with buffers allocated via minigbm.
This patch allows direct rendering to those buffers without
requiring an extra copy.
v2: Handle missing extension better.
v3: Update commit message with more details on usage.
Signed-off-by: David Riley <davidriley@chromium.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This passes the default tessellation factors from the guest to
the host.
v2: fix warnings
Tested-by: Elie Tournier <elie.tournier@collabora.com>
Reviewed-by: Elie Tournier <elie.tournier@collabora.com>
Tested-by: Jakob Bornecrantz <jakob@collabora.com>
and make sure that on GLES it it chosen for GL_RGBA4 over
VIRGL_FORMAT_B4G4R4A4_UNORM, by removing support for the latter.
This is needed because on GLES3 GL_BGRA isn't a supported format to pass
to glTexImage3D.
Fixes the test dEQP-GLES3.functional.texture.format.sized.3d.rgba4_pot
on GLES hosts.
v2: * Make more explicit the GL/GLES split (Gert Wollny)
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Suggested-by: Jakob Bornecrantz <jakob@collabora.com>
Reviewed-By: Gert Wollny <gert.wollny@collabora.com>
Tested-by: Jakob Bornecrantz <jakob@collabora.com>
This allows the tbo code to properly detect if we are using a buffer
as a texture or not, instead of relying on GL_TEXTURE_BUFFER being used.
We also don't need to special case generate the tbo texture id until
sampler bind time.
Reviewed-by: Elie Tournier <elie.tournier@collabora.com>
Use the source format swizzle information to set the
GL_TEXTURE_SWIZZLE_* parameters for the GL blit operation. This also
removes the need for the emulated alpha special case, since when using
emulated alpha the source format already has proper swizzle information.
Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob@collabora.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Explicitly describe the swizzle of all supported formats in the format
table. In this commit all format swizzles are set to NO_SWIZZLE, but
future commits will update some format/swizzle combinations to improve
support for the corresponding virgl formats.
Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob@collabora.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Currently, we always try to create an OpenGL 3.1 context. Some
dEQP tests require an OpenGL 3.2 context (specifically, ones
that use glGetInteger64v). Let's try to create the highest
version context we can, and iterate to lower versions, i.e:
https://developer.android.com/guide/topics/graphics/opengl.html#version-check
The return code for (*create_gl_context) is a little unclear.
This patch assumes NULL is returned on failure. This should work
for GLX and EGL.
GLX:
"On failure glXCreateContextAttribsARB returns NULL and generates
an X error with extended error information"
https://www.khronos.org/registry/OpenGL/extensions/ARB/GLX_ARB_create_context.txt
EGL:
"#define EGL_NO_CONTEXT ((EGLContext)0)"
https://www.khronos.org/registry/EGL/api/1.1/EGL/egl.h
The semantics of rcbs->create_gl_context may be different, though.
Fixes:
dEQP-GLES3.functional.state_query.integers.max_vertex_output_components_getinteger64
dEQP-GLES3.functional.state_query.integers.max_vertex_output_components_getfloat
Signed-off-by: Dave Airlie <airlied@redhat.com>
These two formats are required by DRI in the guest and as such
Wayland, X11, GBM or any API built on top if DRI. The format
GL_BGRA_EXT is not supported on Desktop OpenGL.
v2: Better documentation.
Signed-off-by: Jakob Bornecrantz <jakob.bornecrantz@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
These are needed for ARB_draw_indirect and GL4.0
This enables support and turns in the cap when
support is present.
This also enhances the draw packets to cover
future features, it doesn't enable or show these
yet, since other work is required in the shaders.
Signed-off-by: Dave Airlie <airlied@redhat.com>
In vrend clear dispatch function, the 'buffers' is read from
guest. A malicious guest can specify a bad 'buffers' to make
a the function call util_format_is_pure_uint() even the
'ctx->sub->surf[i]' is NULL. This can cause a NULL pointer deref.
Make a sanity check to avoid this.
[airlied: use a define]
Signed-off-by: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
That way an value if (type > PIPE_SHADER_GEOMETRY) guard will actually
work for all values.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Instead of polling the fences regularly, have a thread
that blocks for a single fence using a separate shared
context, then uses eventfd to wake up the main thread
when something happens.
Inside the guest, glmark2 typicially runs twice as fast with the thread
sync. Although in general, the performances seems to be about +30%. The
benefits is mostly for CPU-bounds tasks (when main the thread hits 100%)
A naive perf stat of the vtest renderer with glmark2 "build" test with a
fixed number of frames (500) results in the following stats data:
(do not value timing related informations, since the renderer is ran and
stopped manually)
without thread:
3032.282265 task-clock (msec) # 0.420 CPUs utilized
4,277 context-switches # 0.001 M/sec
102 cpu-migrations # 0.034 K/sec
9,020 page-faults # 0.003 M/sec
7,884,098,254 cycles # 2.600 GHz
4,440,126,451 stalled-cycles-frontend # 56.32% frontend cycles idle
<not supported> stalled-cycles-backend
11,024,091,578 instructions # 1.40 insns per cycle
# 0.40 stalled
# cycles per insn
1,091,831,588 branches # 360.069 M/sec
5,426,846 branch-misses # 0.50% of all branches
with thread:
3403.592921 task-clock (msec) # 0.452 CPUs utilized
7,145 context-switches # 0.002 M/sec
410 cpu-migrations # 0.120 K/sec
6,191 page-faults # 0.002 M/sec
7,475,038,064 cycles # 2.196 GHz
4,487,043,071 stalled-cycles-frontend # 60.03% frontend cycles idle
<not supported> stalled-cycles-backend
9,925,205,494 instructions # 1.33 insns per cycle
# 0.45 stalled
# cycles per insn
834,375,503 branches # 245.146 M/sec
4,919,995 branch-misses # 0.59% of all branches
Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
the protocol failed to handle larger shaders, this allow
the renderer to reassemble large shaders and recombined
the chunks before passing them to the GLSL translation.
This also enhances the renderer protocol to allow
for some more info in the shader object, and removes
the separate vs/gs/fs variants in favour of a type field
in the shader.
This code ended up in the other file and really wasn't necessary
there.
Remove the transfer code from virglrenderer.c, move into main
renderer file, and match it with the corresponding transfer
reader.
This should at least fix the crash in compressed textures
with ARB_get_texture_sub_image
This fixes a number of issues with how transform feedback works
it does requires ARB_transform_feedback3 to work at all, but
hopefully this extension is widespread enough, if not we can
revisit later.
It uses transform feedback objects to store the stream out
state.
This merges the error/bounds checking on the transfer
code, but keeps the same API, it also uses a struct
to pass through the transfer info.
this also passes a return value out to make testing easier.
Erik Faye-Lund
Gert Wollny
David Riley
Dave Airlie
Tomeu Vizoso
Alexandros Frantzis
Gurchetan Singh
Jakob Bornecrantz
Li Qiang
Marc-André Lureau
Marc-André Lureau
Dave Airlie