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iris: initial compute caps 

RET macro borrowed from freedreno
This commit is contained in:
Kenneth Graunke 2018-07-26 23:13:51 -07:00
parent 4da28c2c22
commit 752abeb690
1 changed files with 62 additions and 3 deletions
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65
src/gallium/drivers/iris/iris_screen.c
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@ -348,7 +348,7 @@ iris_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_PREFERRED_IR:
return PIPE_SHADER_IR_NIR;
case PIPE_SHADER_CAP_SUPPORTED_IRS:
return 0;
return 1 << PIPE_SHADER_IR_NIR;
case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
return 32;
case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
@ -371,8 +371,67 @@ iris_get_compute_param(struct pipe_screen *pscreen,
enum pipe_compute_cap param,
void *ret)
{
/* TODO: compute shaders */
return 0;
struct iris_screen *screen = (struct iris_screen *)pscreen;
struct brw_compiler *compiler = screen->compiler;
const struct gen_device_info *devinfo = &screen->devinfo;
// XXX: cherryview fusing
const unsigned max_threads = MIN2(64, devinfo->max_cs_threads);
const uint32_t max_invocations = 32 * max_threads;
#define RET(x) do { \
if (ret) \
memcpy(ret, x, sizeof(x)); \
return sizeof(x); \
} while (0)
switch (param) {
case PIPE_COMPUTE_CAP_ADDRESS_BITS:
RET((uint32_t []){ 32 });
case PIPE_COMPUTE_CAP_IR_TARGET:
if (ret)
strcpy(ret, "gen");
return 4;
case PIPE_COMPUTE_CAP_GRID_DIMENSION:
RET((uint64_t []) { 3 });
case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
RET(((uint64_t []) { 65535, 65535, 65535 }));
case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
/* MaxComputeWorkGroupSize[0..2] */
RET(((uint64_t []) {max_invocations, max_invocations, max_invocations}));
case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
/* MaxComputeWorkGroupInvocations */
RET((uint64_t []) { max_invocations });
case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
/* MaxComputeSharedMemorySize */
RET((uint64_t []) { 64 * 1024 });
case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
RET((uint32_t []) { 1 });
case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
RET((uint32_t []) { BRW_SUBGROUP_SIZE });
case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
// XXX: I think these are for Clover...
return 0;
default:
unreachable("unknown compute param");
}
}
static uint64_t