*/
#include "util/u_memory.h"
+#include "radeon/r600_pipe_common.h"
+#include "radeon/radeon_elf_util.h"
+#include "radeon/radeon_llvm_util.h"
#include "radeon/r600_cs.h"
#include "si_pipe.h"
#include "si_shader.h"
#include "sid.h"
-#include "radeon/radeon_llvm_util.h"
-
#define MAX_GLOBAL_BUFFERS 20
-#if HAVE_LLVM < 0x0305
-#define NUM_USER_SGPRS 2
-#else
-#define NUM_USER_SGPRS 4
-#endif
struct si_compute {
struct si_context *ctx;
unsigned local_size;
unsigned private_size;
unsigned input_size;
- unsigned num_kernels;
- struct si_shader *kernels;
+ struct si_shader shader;
unsigned num_user_sgprs;
struct r600_resource *input_buffer;
struct pipe_resource *global_buffers[MAX_GLOBAL_BUFFERS];
+#if HAVE_LLVM < 0x0306
+ unsigned num_kernels;
+ struct si_shader *kernels;
LLVMContextRef llvm_ctx;
+#endif
};
+static void init_scratch_buffer(struct si_context *sctx, struct si_compute *program)
+{
+ unsigned scratch_bytes = 0;
+ uint64_t scratch_buffer_va;
+ unsigned i;
+
+ /* Compute the scratch buffer size using the maximum number of waves.
+ * This way we don't need to recompute it for each kernel launch. */
+ unsigned scratch_waves = 32 * sctx->screen->b.info.max_compute_units;
+ for (i = 0; i < program->shader.binary.global_symbol_count; i++) {
+ unsigned offset =
+ program->shader.binary.global_symbol_offsets[i];
+ unsigned scratch_bytes_needed;
+
+ si_shader_binary_read_config(&program->shader.binary,
+ &program->shader.config, offset);
+ scratch_bytes_needed = program->shader.config.scratch_bytes_per_wave;
+ scratch_bytes = MAX2(scratch_bytes, scratch_bytes_needed);
+ }
+
+ if (scratch_bytes == 0)
+ return;
+
+ program->shader.scratch_bo =
+ si_resource_create_custom(sctx->b.b.screen,
+ PIPE_USAGE_DEFAULT,
+ scratch_bytes * scratch_waves);
+
+ scratch_buffer_va = program->shader.scratch_bo->gpu_address;
+
+ /* apply_scratch_relocs needs scratch_bytes_per_wave to be set
+ * to the maximum bytes needed, so it can compute the stride
+ * correctly.
+ */
+ program->shader.config.scratch_bytes_per_wave = scratch_bytes;
+
+ /* Patch the shader with the scratch buffer address. */
+ si_shader_apply_scratch_relocs(sctx,
+ &program->shader, scratch_buffer_va);
+}
+
static void *si_create_compute_state(
struct pipe_context *ctx,
const struct pipe_compute_state *cso)
struct si_context *sctx = (struct si_context *)ctx;
struct si_compute *program = CALLOC_STRUCT(si_compute);
const struct pipe_llvm_program_header *header;
- const unsigned char *code;
- unsigned i;
-
- program->llvm_ctx = LLVMContextCreate();
+ const char *code;
header = cso->prog;
code = cso->prog + sizeof(struct pipe_llvm_program_header);
program->private_size = cso->req_private_mem;
program->input_size = cso->req_input_mem;
- program->num_kernels = radeon_llvm_get_num_kernels(program->llvm_ctx, code,
- header->num_bytes);
- program->kernels = CALLOC(sizeof(struct si_shader),
- program->num_kernels);
- for (i = 0; i < program->num_kernels; i++) {
- LLVMModuleRef mod = radeon_llvm_get_kernel_module(program->llvm_ctx, i,
- code, header->num_bytes);
- si_compile_llvm(sctx->screen, &program->kernels[i], mod);
- LLVMDisposeModule(mod);
+#if HAVE_LLVM < 0x0306
+ {
+ unsigned i;
+ program->llvm_ctx = LLVMContextCreate();
+ program->num_kernels = radeon_llvm_get_num_kernels(program->llvm_ctx,
+ code, header->num_bytes);
+ program->kernels = CALLOC(sizeof(struct si_shader),
+ program->num_kernels);
+ for (i = 0; i < program->num_kernels; i++) {
+ LLVMModuleRef mod = radeon_llvm_get_kernel_module(program->llvm_ctx, i,
+ code, header->num_bytes);
+ si_compile_llvm(sctx->screen, &program->kernels[i].binary,
+ &program->kernels[i].config, sctx->tm,
+ mod, &sctx->b.debug, TGSI_PROCESSOR_COMPUTE);
+ si_shader_binary_upload(sctx->screen, &program->kernels[i]);
+ LLVMDisposeModule(mod);
+ }
}
+#else
+
+ radeon_elf_read(code, header->num_bytes, &program->shader.binary);
+
+ /* init_scratch_buffer patches the shader code with the scratch address,
+ * so we need to call it before si_shader_binary_read() which uploads
+ * the shader code to the GPU.
+ */
+ init_scratch_buffer(sctx, program);
+ si_shader_binary_read(sctx->screen, &program->shader.binary,
+ &program->shader.config, &sctx->b.debug,
+ TGSI_PROCESSOR_COMPUTE);
+ si_shader_binary_upload(sctx->screen, &program->shader);
+#endif
program->input_buffer = si_resource_create_custom(sctx->b.b.screen,
PIPE_USAGE_IMMUTABLE, program->input_size);
uint32_t pc, const void *input)
{
struct si_context *sctx = (struct si_context*)ctx;
- struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs;
+ struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
struct si_compute *program = sctx->cs_shader_state.program;
struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
struct r600_resource *input_buffer = program->input_buffer;
uint64_t kernel_args_va;
uint64_t scratch_buffer_va = 0;
uint64_t shader_va;
- unsigned arg_user_sgpr_count = NUM_USER_SGPRS;
unsigned i;
- struct si_shader *shader = &program->kernels[pc];
+ struct si_shader *shader = &program->shader;
unsigned lds_blocks;
unsigned num_waves_for_scratch;
+#if HAVE_LLVM < 0x0306
+ shader = &program->kernels[pc];
+#endif
+
+
radeon_emit(cs, PKT3(PKT3_CONTEXT_CONTROL, 1, 0) | PKT3_SHADER_TYPE_S(1));
radeon_emit(cs, 0x80000000);
radeon_emit(cs, 0x80000000);
- sctx->b.flags |= R600_CONTEXT_INV_TEX_CACHE |
- R600_CONTEXT_INV_SHADER_CACHE |
- R600_CONTEXT_INV_CONST_CACHE |
- R600_CONTEXT_FLUSH_WITH_INV_L2 |
- R600_CONTEXT_FLAG_COMPUTE;
- si_emit_cache_flush(&sctx->b, NULL);
+ sctx->b.flags |= SI_CONTEXT_INV_VMEM_L1 |
+ SI_CONTEXT_INV_GLOBAL_L2 |
+ SI_CONTEXT_INV_ICACHE |
+ SI_CONTEXT_INV_SMEM_L1 |
+ SI_CONTEXT_FLUSH_WITH_INV_L2 |
+ SI_CONTEXT_FLAG_COMPUTE;
+ si_emit_cache_flush(sctx, NULL);
pm4->compute_pkt = true;
+#if HAVE_LLVM >= 0x0306
+ /* Read the config information */
+ si_shader_binary_read_config(&shader->binary, &shader->config, pc);
+#endif
+
/* Upload the kernel arguments */
/* The extra num_work_size_bytes are for work group / work item size information */
kernel_args_size = program->input_size + num_work_size_bytes + 8 /* For scratch va */;
- kernel_args = sctx->b.ws->buffer_map(input_buffer->cs_buf,
- sctx->b.rings.gfx.cs, PIPE_TRANSFER_WRITE);
+ kernel_args = sctx->b.ws->buffer_map(input_buffer->buf,
+ sctx->b.gfx.cs, PIPE_TRANSFER_WRITE);
for (i = 0; i < 3; i++) {
kernel_args[i] = grid_layout[i];
kernel_args[i + 3] = grid_layout[i] * block_layout[i];
memcpy(kernel_args + (num_work_size_bytes / 4), input, program->input_size);
- if (shader->scratch_bytes_per_wave > 0) {
- unsigned scratch_bytes = shader->scratch_bytes_per_wave *
- num_waves_for_scratch;
+ if (shader->config.scratch_bytes_per_wave > 0) {
COMPUTE_DBG(sctx->screen, "Waves: %u; Scratch per wave: %u bytes; "
"Total Scratch: %u bytes\n", num_waves_for_scratch,
- shader->scratch_bytes_per_wave, scratch_bytes);
- if (!shader->scratch_bo) {
- shader->scratch_bo = (struct r600_resource*)
- si_resource_create_custom(sctx->b.b.screen,
- PIPE_USAGE_DEFAULT, scratch_bytes);
- }
- scratch_buffer_va = shader->scratch_bo->gpu_address;
- si_pm4_add_bo(pm4, shader->scratch_bo,
- RADEON_USAGE_READWRITE,
- RADEON_PRIO_SHADER_RESOURCE_RW);
+ shader->config.scratch_bytes_per_wave,
+ shader->config.scratch_bytes_per_wave *
+ num_waves_for_scratch);
+
+ radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx,
+ shader->scratch_bo,
+ RADEON_USAGE_READWRITE,
+ RADEON_PRIO_SCRATCH_BUFFER);
+ scratch_buffer_va = shader->scratch_bo->gpu_address;
}
for (i = 0; i < (kernel_args_size / 4); i++) {
kernel_args[i]);
}
- sctx->b.ws->buffer_unmap(input_buffer->cs_buf);
-
kernel_args_va = input_buffer->gpu_address;
kernel_args_va += kernel_args_offset;
- si_pm4_add_bo(pm4, input_buffer, RADEON_USAGE_READ,
- RADEON_PRIO_SHADER_DATA);
+ radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, input_buffer,
+ RADEON_USAGE_READ, RADEON_PRIO_CONST_BUFFER);
si_pm4_set_reg(pm4, R_00B900_COMPUTE_USER_DATA_0, kernel_args_va);
si_pm4_set_reg(pm4, R_00B900_COMPUTE_USER_DATA_0 + 4, S_008F04_BASE_ADDRESS_HI (kernel_args_va >> 32) | S_008F04_STRIDE(0));
si_pm4_set_reg(pm4, R_00B900_COMPUTE_USER_DATA_0 + 8, scratch_buffer_va);
si_pm4_set_reg(pm4, R_00B900_COMPUTE_USER_DATA_0 + 12,
S_008F04_BASE_ADDRESS_HI(scratch_buffer_va >> 32)
- | S_008F04_STRIDE(shader->scratch_bytes_per_wave / 64));
+ | S_008F04_STRIDE(shader->config.scratch_bytes_per_wave / 64));
si_pm4_set_reg(pm4, R_00B810_COMPUTE_START_X, 0);
si_pm4_set_reg(pm4, R_00B814_COMPUTE_START_Y, 0);
if (!buffer) {
continue;
}
- si_pm4_add_bo(pm4, buffer, RADEON_USAGE_READWRITE, RADEON_PRIO_SHADER_RESOURCE_RW);
+ radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, buffer,
+ RADEON_USAGE_READWRITE,
+ RADEON_PRIO_COMPUTE_GLOBAL);
}
/* This register has been moved to R_00CD20_COMPUTE_MAX_WAVE_ID
}
shader_va = shader->bo->gpu_address;
- si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_DATA);
- si_pm4_set_reg(pm4, R_00B830_COMPUTE_PGM_LO, (shader_va >> 8) & 0xffffffff);
+
+#if HAVE_LLVM >= 0x0306
+ shader_va += pc;
+#endif
+ radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, shader->bo,
+ RADEON_USAGE_READ, RADEON_PRIO_USER_SHADER);
+ si_pm4_set_reg(pm4, R_00B830_COMPUTE_PGM_LO, shader_va >> 8);
si_pm4_set_reg(pm4, R_00B834_COMPUTE_PGM_HI, shader_va >> 40);
- si_pm4_set_reg(pm4, R_00B848_COMPUTE_PGM_RSRC1,
- /* We always use at least 3 VGPRS, these come from
- * TIDIG_COMP_CNT.
- * XXX: The compiler should account for this.
- */
- S_00B848_VGPRS((MAX2(3, shader->num_vgprs) - 1) / 4)
- /* We always use at least 4 + arg_user_sgpr_count. The 4 extra
- * sgprs are from TGID_X_EN, TGID_Y_EN, TGID_Z_EN, TG_SIZE_EN
- * XXX: The compiler should account for this.
- */
- | S_00B848_SGPRS(((MAX2(4 + arg_user_sgpr_count,
- shader->num_sgprs)) - 1) / 8))
- ;
+ si_pm4_set_reg(pm4, R_00B848_COMPUTE_PGM_RSRC1, shader->config.rsrc1);
- lds_blocks = shader->lds_size;
+ lds_blocks = shader->config.lds_size;
/* XXX: We are over allocating LDS. For SI, the shader reports LDS in
* blocks of 256 bytes, so if there are 4 bytes lds allocated in
* the shader and 4 bytes allocated by the state tracker, then
assert(lds_blocks <= 0xFF);
- si_pm4_set_reg(pm4, R_00B84C_COMPUTE_PGM_RSRC2,
- S_00B84C_SCRATCH_EN(shader->scratch_bytes_per_wave > 0)
- | S_00B84C_USER_SGPR(arg_user_sgpr_count)
- | S_00B84C_TGID_X_EN(1)
- | S_00B84C_TGID_Y_EN(1)
- | S_00B84C_TGID_Z_EN(1)
- | S_00B84C_TG_SIZE_EN(1)
- | S_00B84C_TIDIG_COMP_CNT(2)
- | S_00B84C_LDS_SIZE(lds_blocks)
- | S_00B84C_EXCP_EN(0))
- ;
+ shader->config.rsrc2 &= C_00B84C_LDS_SIZE;
+ shader->config.rsrc2 |= S_00B84C_LDS_SIZE(lds_blocks);
+
+ si_pm4_set_reg(pm4, R_00B84C_COMPUTE_PGM_RSRC2, shader->config.rsrc2);
si_pm4_set_reg(pm4, R_00B854_COMPUTE_RESOURCE_LIMITS, 0);
si_pm4_set_reg(pm4, R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE0,
| S_00B85C_SH1_CU_EN(0xffff /* Default value */))
;
+ num_waves_for_scratch =
+ MIN2(num_waves_for_scratch,
+ 32 * sctx->screen->b.info.max_compute_units);
si_pm4_set_reg(pm4, R_00B860_COMPUTE_TMPRING_SIZE,
/* The maximum value for WAVES is 32 * num CU.
* If you program this value incorrectly, the GPU will hang if
* COMPUTE_PGM_RSRC2.SCRATCH_EN is enabled.
*/
S_00B860_WAVES(num_waves_for_scratch)
- | S_00B860_WAVESIZE(shader->scratch_bytes_per_wave >> 10))
+ | S_00B860_WAVESIZE(shader->config.scratch_bytes_per_wave >> 10))
;
si_pm4_cmd_begin(pm4, PKT3_DISPATCH_DIRECT);
si_pm4_cmd_add(pm4, 1); /* DISPATCH_INITIATOR */
si_pm4_cmd_end(pm4, false);
- si_pm4_cmd_begin(pm4, PKT3_EVENT_WRITE);
- si_pm4_cmd_add(pm4, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH | EVENT_INDEX(0x4)));
- si_pm4_cmd_end(pm4, false);
-
si_pm4_emit(sctx, pm4);
#if 0
si_pm4_free_state(sctx, pm4, ~0);
- sctx->b.flags |= R600_CONTEXT_INV_TEX_CACHE |
- R600_CONTEXT_INV_SHADER_CACHE |
- R600_CONTEXT_INV_CONST_CACHE |
- R600_CONTEXT_FLAG_COMPUTE;
- si_emit_cache_flush(&sctx->b, NULL);
+ sctx->b.flags |= SI_CONTEXT_CS_PARTIAL_FLUSH |
+ SI_CONTEXT_INV_VMEM_L1 |
+ SI_CONTEXT_INV_GLOBAL_L2 |
+ SI_CONTEXT_INV_ICACHE |
+ SI_CONTEXT_INV_SMEM_L1 |
+ SI_CONTEXT_FLAG_COMPUTE;
+ si_emit_cache_flush(sctx, NULL);
}
return;
}
+#if HAVE_LLVM < 0x0306
if (program->kernels) {
for (int i = 0; i < program->num_kernels; i++){
if (program->kernels[i].bo){
- si_shader_destroy(ctx, &program->kernels[i]);
+ si_shader_destroy(&program->kernels[i]);
}
}
FREE(program->kernels);
if (program->llvm_ctx){
LLVMContextDispose(program->llvm_ctx);
}
+#else
+ FREE(program->shader.binary.config);
+ FREE(program->shader.binary.rodata);
+ FREE(program->shader.binary.global_symbol_offsets);
+ si_shader_destroy(&program->shader);
+#endif
+
pipe_resource_reference(
(struct pipe_resource **)&program->input_buffer, NULL);
- //And then free the program itself.
FREE(program);
}