#include "brw_compiler.h"
#include "brw_shader.h"
#include "brw_eu.h"
-#include "common/gen_debug.h"
+#include "dev/gen_debug.h"
#include "compiler/nir/nir.h"
#include "main/errors.h"
#include "util/debug.h"
.lower_sub = true, \
.lower_fdiv = true, \
.lower_scmp = true, \
- .lower_fmod32 = true, \
- .lower_fmod64 = false, \
+ .lower_flrp16 = true, \
+ .lower_fmod = true, \
.lower_bitfield_extract = true, \
.lower_bitfield_insert = true, \
.lower_uadd_carry = true, \
.lower_usub_borrow = true, \
.lower_fdiv = true, \
.lower_flrp64 = true, \
- .native_integers = true, \
+ .lower_isign = true, \
+ .lower_ldexp = true, \
+ .lower_device_index_to_zero = true, \
+ .vectorize_io = true, \
.use_interpolated_input_intrinsics = true, \
- .vertex_id_zero_based = true
+ .vertex_id_zero_based = true, \
+ .lower_base_vertex = true, \
+ .use_scoped_barrier = true, \
+ .support_8bit_alu = true, \
+ .support_16bit_alu = true
+
+#define COMMON_SCALAR_OPTIONS \
+ .lower_to_scalar = true, \
+ .lower_pack_half_2x16 = true, \
+ .lower_pack_snorm_2x16 = true, \
+ .lower_pack_snorm_4x8 = true, \
+ .lower_pack_unorm_2x16 = true, \
+ .lower_pack_unorm_4x8 = true, \
+ .lower_unpack_half_2x16 = true, \
+ .lower_unpack_snorm_2x16 = true, \
+ .lower_unpack_snorm_4x8 = true, \
+ .lower_unpack_unorm_2x16 = true, \
+ .lower_unpack_unorm_4x8 = true, \
+ .lower_usub_sat64 = true, \
+ .lower_hadd64 = true, \
+ .lower_bfe_with_two_constants = true, \
+ .max_unroll_iterations = 32
static const struct nir_shader_compiler_options scalar_nir_options = {
COMMON_OPTIONS,
- .lower_pack_half_2x16 = true,
- .lower_pack_snorm_2x16 = true,
- .lower_pack_snorm_4x8 = true,
- .lower_pack_unorm_2x16 = true,
- .lower_pack_unorm_4x8 = true,
- .lower_unpack_half_2x16 = true,
- .lower_unpack_snorm_2x16 = true,
- .lower_unpack_snorm_4x8 = true,
- .lower_unpack_unorm_2x16 = true,
- .lower_unpack_unorm_4x8 = true,
- .vs_inputs_dual_locations = true,
- .max_unroll_iterations = 32,
+ COMMON_SCALAR_OPTIONS,
};
static const struct nir_shader_compiler_options vector_nir_options = {
*/
.fdot_replicates = true,
- /* Prior to Gen6, there are no three source operations for SIMD4x2. */
- .lower_flrp32 = true,
-
.lower_pack_snorm_2x16 = true,
.lower_pack_unorm_2x16 = true,
.lower_unpack_snorm_2x16 = true,
.lower_unpack_unorm_2x16 = true,
.lower_extract_byte = true,
.lower_extract_word = true,
- .vs_inputs_dual_locations = true,
- .max_unroll_iterations = 32,
-};
-
-static const struct nir_shader_compiler_options vector_nir_options_gen6 = {
- COMMON_OPTIONS,
-
- /* In the vec4 backend, our dpN instruction replicates its result to all the
- * components of a vec4. We would like NIR to give us replicated fdot
- * instructions because it can optimize better for us.
- */
- .fdot_replicates = true,
-
- .lower_pack_snorm_2x16 = true,
- .lower_pack_unorm_2x16 = true,
- .lower_unpack_snorm_2x16 = true,
- .lower_unpack_unorm_2x16 = true,
- .lower_extract_byte = true,
- .lower_extract_word = true,
- .vs_inputs_dual_locations = true,
+ .intel_vec4 = true,
.max_unroll_iterations = 32,
};
compiler->precise_trig = env_var_as_boolean("INTEL_PRECISE_TRIG", false);
+ compiler->use_tcs_8_patch =
+ devinfo->gen >= 12 ||
+ (devinfo->gen >= 9 && (INTEL_DEBUG & DEBUG_TCS_EIGHT_PATCH));
+
if (devinfo->gen >= 10) {
/* We don't support vec4 mode on Cannonlake. */
for (int i = MESA_SHADER_VERTEX; i < MESA_SHADER_STAGES; i++)
compiler->scalar_stage[MESA_SHADER_COMPUTE] = true;
}
+ nir_lower_int64_options int64_options =
+ nir_lower_imul64 |
+ nir_lower_isign64 |
+ nir_lower_divmod64 |
+ nir_lower_imul_high64;
+ nir_lower_doubles_options fp64_options =
+ nir_lower_drcp |
+ nir_lower_dsqrt |
+ nir_lower_drsq |
+ nir_lower_dtrunc |
+ nir_lower_dfloor |
+ nir_lower_dceil |
+ nir_lower_dfract |
+ nir_lower_dround_even |
+ nir_lower_dmod |
+ nir_lower_dsub |
+ nir_lower_ddiv;
+
+ if (!devinfo->has_64bit_float || (INTEL_DEBUG & DEBUG_SOFT64)) {
+ int64_options |= nir_lower_mov64 |
+ nir_lower_icmp64 |
+ nir_lower_iadd64 |
+ nir_lower_iabs64 |
+ nir_lower_ineg64 |
+ nir_lower_logic64 |
+ nir_lower_minmax64 |
+ nir_lower_shift64 |
+ nir_lower_extract64;
+ fp64_options |= nir_lower_fp64_full_software;
+ }
+
+ /* The Bspec's section tittled "Instruction_multiply[DevBDW+]" claims that
+ * destination type can be Quadword and source type Doubleword for Gen8 and
+ * Gen9. So, lower 64 bit multiply instruction on rest of the platforms.
+ */
+ if (devinfo->gen < 8 || devinfo->gen > 9)
+ int64_options |= nir_lower_imul_2x32_64;
+
/* We want the GLSL compiler to emit code that uses condition codes */
for (int i = 0; i < MESA_SHADER_STAGES; i++) {
compiler->glsl_compiler_options[i].MaxUnrollIterations = 0;
compiler->glsl_compiler_options[i].EmitNoIndirectTemp = is_scalar;
compiler->glsl_compiler_options[i].OptimizeForAOS = !is_scalar;
+ struct nir_shader_compiler_options *nir_options =
+ rzalloc(compiler, struct nir_shader_compiler_options);
if (is_scalar) {
- compiler->glsl_compiler_options[i].NirOptions = &scalar_nir_options;
+ *nir_options = scalar_nir_options;
} else {
- compiler->glsl_compiler_options[i].NirOptions =
- devinfo->gen < 6 ? &vector_nir_options : &vector_nir_options_gen6;
+ *nir_options = vector_nir_options;
}
- compiler->glsl_compiler_options[i].LowerBufferInterfaceBlocks = true;
+ /* Prior to Gen6, there are no three source operations, and Gen11 loses
+ * LRP.
+ */
+ nir_options->lower_ffma = devinfo->gen < 6;
+ nir_options->lower_flrp32 = devinfo->gen < 6 || devinfo->gen >= 11;
+ nir_options->lower_fpow = devinfo->gen >= 12;
+
+ nir_options->lower_rotate = devinfo->gen < 11;
+ nir_options->lower_bitfield_reverse = devinfo->gen < 7;
+
+ nir_options->lower_int64_options = int64_options;
+ nir_options->lower_doubles_options = fp64_options;
+
+ nir_options->unify_interfaces = i < MESA_SHADER_FRAGMENT;
+
+ compiler->glsl_compiler_options[i].NirOptions = nir_options;
+
compiler->glsl_compiler_options[i].ClampBlockIndicesToArrayBounds = true;
}
return compiler;
}
+static void
+insert_u64_bit(uint64_t *val, bool add)
+{
+ *val = (*val << 1) | !!add;
+}
+
+uint64_t
+brw_get_compiler_config_value(const struct brw_compiler *compiler)
+{
+ uint64_t config = 0;
+ insert_u64_bit(&config, compiler->precise_trig);
+ if (compiler->devinfo->gen >= 8 && compiler->devinfo->gen < 10) {
+ insert_u64_bit(&config, compiler->scalar_stage[MESA_SHADER_VERTEX]);
+ insert_u64_bit(&config, compiler->scalar_stage[MESA_SHADER_TESS_CTRL]);
+ insert_u64_bit(&config, compiler->scalar_stage[MESA_SHADER_TESS_EVAL]);
+ insert_u64_bit(&config, compiler->scalar_stage[MESA_SHADER_GEOMETRY]);
+ }
+ uint64_t debug_bits = INTEL_DEBUG;
+ uint64_t mask = DEBUG_DISK_CACHE_MASK;
+ while (mask != 0) {
+ const uint64_t bit = 1ULL << (ffsll(mask) - 1);
+ insert_u64_bit(&config, (debug_bits & bit) != 0);
+ mask &= ~bit;
+ }
+ return config;
+}
+
unsigned
brw_prog_data_size(gl_shader_stage stage)
{
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