#include "util/ralloc.h"
#include "brw_context.h"
#include "brw_cs.h"
-#include "brw_eu.h"
#include "brw_wm.h"
-#include "brw_shader.h"
#include "intel_mipmap_tree.h"
#include "brw_state.h"
#include "intel_batchbuffer.h"
+#include "compiler/brw_nir.h"
+#include "brw_program.h"
+#include "compiler/glsl/ir_uniform.h"
-bool
-brw_cs_prog_data_compare(const void *in_a, const void *in_b)
+static void
+assign_cs_binding_table_offsets(const struct gen_device_info *devinfo,
+ const struct gl_program *prog,
+ struct brw_cs_prog_data *prog_data)
{
- const struct brw_cs_prog_data *a =
- (const struct brw_cs_prog_data *)in_a;
- const struct brw_cs_prog_data *b =
- (const struct brw_cs_prog_data *)in_b;
+ uint32_t next_binding_table_offset = 0;
- /* Compare the base structure. */
- if (!brw_stage_prog_data_compare(&a->base, &b->base))
- return false;
-
- /* Compare the rest of the structure. */
- const unsigned offset = sizeof(struct brw_stage_prog_data);
- if (memcmp(((char *) a) + offset, ((char *) b) + offset,
- sizeof(struct brw_cs_prog_data) - offset))
- return false;
+ /* May not be used if the gl_NumWorkGroups variable is not accessed. */
+ prog_data->binding_table.work_groups_start = next_binding_table_offset;
+ next_binding_table_offset++;
- return true;
+ brw_assign_common_binding_table_offsets(devinfo, prog, &prog_data->base,
+ next_binding_table_offset);
}
static bool
brw_codegen_cs_prog(struct brw_context *brw,
- struct gl_shader_program *prog,
- struct brw_compute_program *cp,
+ struct brw_program *cp,
struct brw_cs_prog_key *key)
{
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
struct gl_context *ctx = &brw->ctx;
const GLuint *program;
void *mem_ctx = ralloc_context(NULL);
bool start_busy = false;
double start_time = 0;
- struct brw_shader *cs =
- (struct brw_shader *) prog->_LinkedShaders[MESA_SHADER_COMPUTE];
- assert (cs);
-
memset(&prog_data, 0, sizeof(prog_data));
+ if (cp->program.info.cs.shared_size > 64 * 1024) {
+ cp->program.sh.data->LinkStatus = linking_failure;
+ const char *error_str =
+ "Compute shader used more than 64KB of shared variables";
+ ralloc_strcat(&cp->program.sh.data->InfoLog, error_str);
+ _mesa_problem(NULL, "Failed to link compute shader: %s\n", error_str);
+
+ ralloc_free(mem_ctx);
+ return false;
+ } else {
+ prog_data.base.total_shared = cp->program.info.cs.shared_size;
+ }
+
+ assign_cs_binding_table_offsets(devinfo, &cp->program, &prog_data);
+
/* Allocate the references to the uniforms that will end up in the
* prog_data associated with the compiled program, and which will be freed
* by the state cache.
*/
- int param_count = cs->base.num_uniform_components +
- cs->base.NumImages * BRW_IMAGE_PARAM_SIZE;
+ int param_count = cp->program.nir->num_uniforms / 4;
+
+ /* The backend also sometimes add a param for the thread local id. */
+ prog_data.thread_local_id_index = param_count++;
/* The backend also sometimes adds params for texture size. */
param_count += 2 * ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits;
- prog_data.base.param =
- rzalloc_array(NULL, const gl_constant_value *, param_count);
- prog_data.base.pull_param =
- rzalloc_array(NULL, const gl_constant_value *, param_count);
+ prog_data.base.param = rzalloc_array(NULL, uint32_t, param_count);
+ prog_data.base.pull_param = rzalloc_array(NULL, uint32_t, param_count);
prog_data.base.image_param =
- rzalloc_array(NULL, struct brw_image_param, cs->base.NumImages);
+ rzalloc_array(NULL, struct brw_image_param,
+ cp->program.info.num_images);
prog_data.base.nr_params = param_count;
- prog_data.base.nr_image_params = cs->base.NumImages;
+ prog_data.base.nr_image_params = cp->program.info.num_images;
+
+ brw_nir_setup_glsl_uniforms(cp->program.nir, &cp->program,&prog_data.base,
+ true);
if (unlikely(brw->perf_debug)) {
start_busy = (brw->batch.last_bo &&
- drm_intel_bo_busy(brw->batch.last_bo));
+ brw_bo_busy(brw->batch.last_bo));
start_time = get_time();
}
- program = brw_cs_emit(brw, mem_ctx, key, &prog_data,
- &cp->program, prog, &program_size);
+ int st_index = -1;
+ if (INTEL_DEBUG & DEBUG_SHADER_TIME)
+ st_index = brw_get_shader_time_index(brw, &cp->program, ST_CS, true);
+
+ char *error_str;
+ program = brw_compile_cs(brw->screen->compiler, brw, mem_ctx, key,
+ &prog_data, cp->program.nir, st_index,
+ &program_size, &error_str);
if (program == NULL) {
+ cp->program.sh.data->LinkStatus = linking_failure;
+ ralloc_strcat(&cp->program.sh.data->InfoLog, error_str);
+ _mesa_problem(NULL, "Failed to compile compute shader: %s\n", error_str);
+
ralloc_free(mem_ctx);
return false;
}
- if (unlikely(brw->perf_debug) && cs) {
- if (cs->compiled_once) {
+ if (unlikely(brw->perf_debug)) {
+ if (cp->compiled_once) {
_mesa_problem(&brw->ctx, "CS programs shouldn't need recompiles");
}
- cs->compiled_once = true;
+ cp->compiled_once = true;
- if (start_busy && !drm_intel_bo_busy(brw->batch.last_bo)) {
+ if (start_busy && !brw_bo_busy(brw->batch.last_bo)) {
perf_debug("CS compile took %.03f ms and stalled the GPU\n",
(get_time() - start_time) * 1000);
}
}
- if (prog_data.base.total_scratch) {
- brw_get_scratch_bo(brw, &brw->cs.base.scratch_bo,
- prog_data.base.total_scratch * brw->max_cs_threads);
- }
+ const unsigned subslices = MAX2(brw->screen->subslice_total, 1);
+
+ /* WaCSScratchSize:hsw
+ *
+ * Haswell's scratch space address calculation appears to be sparse
+ * rather than tightly packed. The Thread ID has bits indicating
+ * which subslice, EU within a subslice, and thread within an EU
+ * it is. There's a maximum of two slices and two subslices, so these
+ * can be stored with a single bit. Even though there are only 10 EUs
+ * per subslice, this is stored in 4 bits, so there's an effective
+ * maximum value of 16 EUs. Similarly, although there are only 7
+ * threads per EU, this is stored in a 3 bit number, giving an effective
+ * maximum value of 8 threads per EU.
+ *
+ * This means that we need to use 16 * 8 instead of 10 * 7 for the
+ * number of threads per subslice.
+ */
+ const unsigned scratch_ids_per_subslice =
+ devinfo->is_haswell ? 16 * 8 : devinfo->max_cs_threads;
- if (unlikely(INTEL_DEBUG & DEBUG_CS))
- fprintf(stderr, "\n");
+ brw_alloc_stage_scratch(brw, &brw->cs.base,
+ prog_data.base.total_scratch,
+ scratch_ids_per_subslice * subslices);
brw_upload_cache(&brw->cache, BRW_CACHE_CS_PROG,
key, sizeof(*key),
program, program_size,
&prog_data, sizeof(prog_data),
- &brw->cs.base.prog_offset, &brw->cs.prog_data);
+ &brw->cs.base.prog_offset, &brw->cs.base.prog_data);
ralloc_free(mem_ctx);
return true;
{
struct gl_context *ctx = &brw->ctx;
/* BRW_NEW_COMPUTE_PROGRAM */
- const struct brw_compute_program *cp =
- (struct brw_compute_program *) brw->compute_program;
+ const struct brw_program *cp =
+ (struct brw_program *) brw->programs[MESA_SHADER_COMPUTE];
const struct gl_program *prog = (struct gl_program *) cp;
memset(key, 0, sizeof(*key));
/* _NEW_TEXTURE */
- brw_populate_sampler_prog_key_data(ctx, prog, brw->cs.base.sampler_count,
- &key->tex);
+ brw_populate_sampler_prog_key_data(ctx, prog, &key->tex);
/* The unique compute program ID */
key->program_string_id = cp->id;
{
struct gl_context *ctx = &brw->ctx;
struct brw_cs_prog_key key;
- struct brw_compute_program *cp = (struct brw_compute_program *)
- brw->compute_program;
+ struct brw_program *cp =
+ (struct brw_program *) brw->programs[MESA_SHADER_COMPUTE];
if (!cp)
return;
return;
brw->cs.base.sampler_count =
- _mesa_fls(ctx->ComputeProgram._Current->Base.SamplersUsed);
+ util_last_bit(ctx->ComputeProgram._Current->SamplersUsed);
brw_cs_populate_key(brw, &key);
if (!brw_search_cache(&brw->cache, BRW_CACHE_CS_PROG,
&key, sizeof(key),
- &brw->cs.base.prog_offset, &brw->cs.prog_data)) {
- bool success =
- brw_codegen_cs_prog(brw,
- ctx->Shader.CurrentProgram[MESA_SHADER_COMPUTE],
- cp, &key);
+ &brw->cs.base.prog_offset,
+ &brw->cs.base.prog_data)) {
+ bool success = brw_codegen_cs_prog(brw, cp, &key);
(void) success;
assert(success);
}
- brw->cs.base.prog_data = &brw->cs.prog_data->base;
}
bool
-brw_cs_precompile(struct gl_context *ctx,
- struct gl_shader_program *shader_prog,
- struct gl_program *prog)
+brw_cs_precompile(struct gl_context *ctx, struct gl_program *prog)
{
struct brw_context *brw = brw_context(ctx);
struct brw_cs_prog_key key;
- struct gl_compute_program *cp = (struct gl_compute_program *) prog;
- struct brw_compute_program *bcp = brw_compute_program(cp);
+ struct brw_program *bcp = brw_program(prog);
memset(&key, 0, sizeof(key));
key.program_string_id = bcp->id;
brw_setup_tex_for_precompile(brw, &key.tex, prog);
uint32_t old_prog_offset = brw->cs.base.prog_offset;
- struct brw_cs_prog_data *old_prog_data = brw->cs.prog_data;
+ struct brw_stage_prog_data *old_prog_data = brw->cs.base.prog_data;
- bool success = brw_codegen_cs_prog(brw, shader_prog, bcp, &key);
+ bool success = brw_codegen_cs_prog(brw, bcp, &key);
brw->cs.base.prog_offset = old_prog_offset;
- brw->cs.prog_data = old_prog_data;
+ brw->cs.base.prog_data = old_prog_data;
return success;
}
projects / mesa.git / blobdiff