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llvmpipe: add compute shader parameter fetching support

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Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie 2019-08-27 15:28:26 +10:00
parent 0b51e73de2
commit 4e70970507
1 changed files with 54 additions and 0 deletions
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54
src/gallium/drivers/llvmpipe/lp_screen.c
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@ -402,6 +402,7 @@ llvmpipe_get_shader_param(struct pipe_screen *screen,
switch(shader)
{
case PIPE_SHADER_FRAGMENT:
case PIPE_SHADER_COMPUTE:
switch (param) {
default:
return gallivm_get_shader_param(param);
@ -459,6 +460,58 @@ llvmpipe_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
return 0.0;
}
static int
llvmpipe_get_compute_param(struct pipe_screen *_screen,
enum pipe_shader_ir ir_type,
enum pipe_compute_cap param,
void *ret)
{
switch (param) {
case PIPE_COMPUTE_CAP_IR_TARGET:
return 0;
case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
if (ret) {
uint64_t *grid_size = ret;
grid_size[0] = 65535;
grid_size[1] = 65535;
grid_size[2] = 65535;
}
return 3 * sizeof(uint64_t) ;
case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
if (ret) {
uint64_t *block_size = ret;
block_size[0] = 1024;
block_size[1] = 1024;
block_size[2] = 1024;
}
return 3 * sizeof(uint64_t);
case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
if (ret) {
uint64_t *max_threads_per_block = ret;
*max_threads_per_block = 1024;
}
return sizeof(uint64_t);
case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
if (ret) {
uint64_t *max_local_size = ret;
*max_local_size = 32768;
}
return sizeof(uint64_t);
case PIPE_COMPUTE_CAP_GRID_DIMENSION:
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_MEM_ALLOC_SIZE:
case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
case PIPE_COMPUTE_CAP_ADDRESS_BITS:
case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
break;
}
return 0;
}
/**
* Query format support for creating a texture, drawing surface, etc.
@ -695,6 +748,7 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
screen->base.get_device_vendor = llvmpipe_get_vendor; // TODO should be the CPU vendor
screen->base.get_param = llvmpipe_get_param;
screen->base.get_shader_param = llvmpipe_get_shader_param;
screen->base.get_compute_param = llvmpipe_get_compute_param;
screen->base.get_paramf = llvmpipe_get_paramf;
screen->base.is_format_supported = llvmpipe_is_format_supported;