diff options
| author | Grigori Goronzy <[email protected]> | 2015-05-28 12:40:29 +0200 |
|---|---|---|
| committer | Grigori Goronzy <[email protected]> | 2015-06-29 13:24:22 +0200 |
| commit | 249a9df7fce0a6bebc70852ab583c5324208bf06 (patch) | |
| tree | 72b6edf61e8f014007701c0a2b620890988e7665 /src/gallium/drivers/radeon | |
| parent | c0ca6c30eaf7f488f154c462a01a8945cb4a3103 (diff) | |
gallium: add PIPE_COMPUTE_CAP_SUBGROUP_SIZE
We need this to implement OpenCL's
CL_KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE.
Reviewed-by: Francisco Jerez <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeon')
| -rw-r--r-- | src/gallium/drivers/radeon/r600_pipe_common.c | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/radeon/r600_pipe_common.h | 20 |
2 files changed, 26 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c index 3def4446882..775cf53ba88 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.c +++ b/src/gallium/drivers/radeon/r600_pipe_common.c @@ -636,6 +636,12 @@ static int r600_get_compute_param(struct pipe_screen *screen, return sizeof(uint32_t); case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE: break; /* unused */ + case PIPE_COMPUTE_CAP_SUBGROUP_SIZE: + if (ret) { + uint32_t *subgroup_size = ret; + *subgroup_size = r600_wavefront_size(rscreen->family); + } + return sizeof(uint32_t); } fprintf(stderr, "unknown PIPE_COMPUTE_CAP %d\n", param); diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h index 6ce81d33ddd..51fd016229c 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.h +++ b/src/gallium/drivers/radeon/r600_pipe_common.h @@ -570,6 +570,26 @@ static inline unsigned r600_tex_aniso_filter(unsigned filter) /* else */ return 4; } +static inline unsigned r600_wavefront_size(enum radeon_family family) +{ + switch (family) { + case CHIP_RV610: + case CHIP_RS780: + case CHIP_RV620: + case CHIP_RS880: + return 16; + case CHIP_RV630: + case CHIP_RV635: + case CHIP_RV730: + case CHIP_RV710: + case CHIP_PALM: + case CHIP_CEDAR: + return 32; + default: + return 64; + } +} + #define COMPUTE_DBG(rscreen, fmt, args...) \ do { \ if ((rscreen->b.debug_flags & DBG_COMPUTE)) fprintf(stderr, fmt, ##args); \ |