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vc4: Allow VBOs to be mapped during execution. 

There's no reason we can't -- the mappings we expose are basically
equivalent to persistent/coherent, already.

Improves mesa-demos drawoverhead (no state change) performance by
5.21362% +/- 1.25078% (n=11).
This commit is contained in:
Eric Anholt 2017-06-19 11:53:44 -07:00
parent d8148ed10a
commit 743dcdd936
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/vc4/vc4_screen.c
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@ -128,6 +128,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_MULTISAMPLE:
case PIPE_CAP_TEXTURE_SWIZZLE:
case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
return 1;
/* lying for GL 2.0 */
@ -255,7 +256,6 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TGSI_BALLOT:
case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
case PIPE_CAP_POST_DEPTH_COVERAGE:
case PIPE_CAP_BINDLESS_TEXTURE:
return 0;