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virgl: define MAX_VERTEX_STREAMS based on availability of TF3 

Since with gles hosts we lie about the GLSL feature level it is better
to set the number of streams based on actual hosts capabilities.

v2: Make use of feature check level to avoid regressions.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-By:  Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
This commit is contained in:
Gert Wollny 2019-03-13 18:50:52 +01:00 committed by Gert Wollny
parent 33d9b9436c
commit 1e5381f934
2 changed files with 3 additions and 1 deletions
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1
src/gallium/drivers/virgl/virgl_hw.h
View File

@ -237,6 +237,7 @@ enum virgl_formats {
#define VIRGL_CAP_TRANSFER (1 << 17)
#define VIRGL_CAP_FBO_MIXED_COLOR_FORMATS (1 << 18)
#define VIRGL_CAP_FAKE_FP64 (1 << 19)
#define VIRGL_CAP_TRANSFORM_FEEDBACK3 (1 << 23)
/* virgl bind flags - these are compatible with mesa 10.5 gallium.
* but are fixed, no other should be passed to virgl either.

3
src/gallium/drivers/virgl/virgl_screen.c
View File

@ -217,7 +217,8 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_CULL_DISTANCE:
return vscreen->caps.caps.v1.bset.has_cull;
case PIPE_CAP_MAX_VERTEX_STREAMS:
return vscreen->caps.caps.v1.glsl_level >= 400 ? 4 : 1;
return ((vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TRANSFORM_FEEDBACK3) ||
(vscreen->caps.caps.v2.host_feature_check_version < 2)) ? 4 : 1;
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
return vscreen->caps.caps.v1.bset.conditional_render_inverted;
case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: