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-rw-r--r--src/broadcom/Makefile.sources1
-rw-r--r--src/broadcom/compiler/meson.build1
-rw-r--r--src/broadcom/compiler/nir_to_vir.c233
-rw-r--r--src/broadcom/compiler/v3d33_tex.c248
-rw-r--r--src/broadcom/compiler/v3d_compiler.h13
5 files changed, 267 insertions, 229 deletions
diff --git a/src/broadcom/Makefile.sources b/src/broadcom/Makefile.sources
index 827c1944af6..e8f82fbeaac 100644
--- a/src/broadcom/Makefile.sources
+++ b/src/broadcom/Makefile.sources
@@ -29,6 +29,7 @@ BROADCOM_FILES = \
compiler/vir_to_qpu.c \
compiler/qpu_schedule.c \
compiler/qpu_validate.c \
+ compiler/v3d33_tex.c \
compiler/v3d33_vpm_setup.c \
compiler/v3d_compiler.h \
compiler/v3d_nir_lower_io.c \
diff --git a/src/broadcom/compiler/meson.build b/src/broadcom/compiler/meson.build
index 8a7211b649c..2c1b8d40b74 100644
--- a/src/broadcom/compiler/meson.build
+++ b/src/broadcom/compiler/meson.build
@@ -30,6 +30,7 @@ libbroadcom_compiler_files = files(
'vir_to_qpu.c',
'qpu_schedule.c',
'qpu_validate.c',
+ 'v3d33_tex.c',
'v3d33_vpm_setup.c',
'v3d_compiler.h',
'v3d_nir_lower_io.c',
diff --git a/src/broadcom/compiler/nir_to_vir.c b/src/broadcom/compiler/nir_to_vir.c
index e76a87ca4cb..cec00cb55f7 100644
--- a/src/broadcom/compiler/nir_to_vir.c
+++ b/src/broadcom/compiler/nir_to_vir.c
@@ -32,15 +32,6 @@
#include "common/v3d_device_info.h"
#include "v3d_compiler.h"
-/* We don't do any address packing. */
-#define __gen_user_data void
-#define __gen_address_type uint32_t
-#define __gen_address_offset(reloc) (*reloc)
-#define __gen_emit_reloc(cl, reloc)
-#include "cle/v3d_packet_v33_pack.h"
-
-static struct qreg
-ntq_get_src(struct v3d_compile *c, nir_src src, int i);
static void
ntq_emit_cf_list(struct v3d_compile *c, struct exec_list *list);
@@ -65,7 +56,7 @@ resize_qreg_array(struct v3d_compile *c,
(*regs)[i] = c->undef;
}
-static void
+void
vir_emit_thrsw(struct v3d_compile *c)
{
if (c->threads == 1)
@@ -90,13 +81,6 @@ vir_SFU(struct v3d_compile *c, int waddr, struct qreg src)
}
static struct qreg
-vir_LDTMU(struct v3d_compile *c)
-{
- vir_NOP(c)->qpu.sig.ldtmu = true;
- return vir_MOV(c, vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_R4));
-}
-
-static struct qreg
indirect_uniform_load(struct v3d_compile *c, nir_intrinsic_instr *intr)
{
struct qreg indirect_offset = ntq_get_src(c, intr->src[0], 0);
@@ -163,7 +147,7 @@ ntq_init_ssa_def(struct v3d_compile *c, nir_ssa_def *def)
* (knowing that the previous instruction doesn't depend on flags) and rewrite
* its destination to be the NIR reg's destination
*/
-static void
+void
ntq_store_dest(struct v3d_compile *c, nir_dest *dest, int chan,
struct qreg result)
{
@@ -229,7 +213,7 @@ ntq_store_dest(struct v3d_compile *c, nir_dest *dest, int chan,
}
}
-static struct qreg
+struct qreg
ntq_get_src(struct v3d_compile *c, nir_src src, int i)
{
struct hash_entry *entry;
@@ -350,216 +334,7 @@ ntq_emit_tex(struct v3d_compile *c, nir_tex_instr *instr)
break;
}
- struct V3D33_TEXTURE_UNIFORM_PARAMETER_0_CFG_MODE1 p0_unpacked = {
- V3D33_TEXTURE_UNIFORM_PARAMETER_0_CFG_MODE1_header,
-
- .fetch_sample_mode = instr->op == nir_texop_txf,
- };
-
- struct V3D33_TEXTURE_UNIFORM_PARAMETER_1_CFG_MODE1 p1_unpacked = {
- };
-
- switch (instr->sampler_dim) {
- case GLSL_SAMPLER_DIM_1D:
- if (instr->is_array)
- p0_unpacked.lookup_type = TEXTURE_1D_ARRAY;
- else
- p0_unpacked.lookup_type = TEXTURE_1D;
- break;
- case GLSL_SAMPLER_DIM_2D:
- case GLSL_SAMPLER_DIM_RECT:
- if (instr->is_array)
- p0_unpacked.lookup_type = TEXTURE_2D_ARRAY;
- else
- p0_unpacked.lookup_type = TEXTURE_2D;
- break;
- case GLSL_SAMPLER_DIM_3D:
- p0_unpacked.lookup_type = TEXTURE_3D;
- break;
- case GLSL_SAMPLER_DIM_CUBE:
- p0_unpacked.lookup_type = TEXTURE_CUBE_MAP;
- break;
- default:
- unreachable("Bad sampler type");
- }
-
- struct qreg coords[5];
- int next_coord = 0;
- for (unsigned i = 0; i < instr->num_srcs; i++) {
- switch (instr->src[i].src_type) {
- case nir_tex_src_coord:
- for (int j = 0; j < instr->coord_components; j++) {
- coords[next_coord++] =
- ntq_get_src(c, instr->src[i].src, j);
- }
- if (instr->coord_components < 2)
- coords[next_coord++] = vir_uniform_f(c, 0.5);
- break;
- case nir_tex_src_bias:
- coords[next_coord++] =
- ntq_get_src(c, instr->src[i].src, 0);
-
- p0_unpacked.bias_supplied = true;
- break;
- case nir_tex_src_lod:
- coords[next_coord++] =
- vir_FADD(c,
- ntq_get_src(c, instr->src[i].src, 0),
- vir_uniform(c, QUNIFORM_TEXTURE_FIRST_LEVEL,
- unit));
-
- if (instr->op != nir_texop_txf &&
- instr->op != nir_texop_tg4) {
- p0_unpacked.disable_autolod_use_bias_only = true;
- }
- break;
- case nir_tex_src_comparator:
- coords[next_coord++] =
- ntq_get_src(c, instr->src[i].src, 0);
-
- p0_unpacked.shadow = true;
- break;
-
- case nir_tex_src_offset: {
- nir_const_value *offset =
- nir_src_as_const_value(instr->src[i].src);
- p0_unpacked.texel_offset_for_s_coordinate =
- offset->i32[0];
-
- if (instr->coord_components >= 2)
- p0_unpacked.texel_offset_for_t_coordinate =
- offset->i32[1];
-
- if (instr->coord_components >= 3)
- p0_unpacked.texel_offset_for_r_coordinate =
- offset->i32[2];
- break;
- }
-
- default:
- unreachable("unknown texture source");
- }
- }
-
- bool return_16 = (c->key->tex[unit].return_size == 16 ||
- p0_unpacked.shadow);
-
- /* Limit the number of channels returned to both how many the NIR
- * instruction writes and how many the instruction could produce.
- */
- uint32_t instr_return_channels = nir_tex_instr_dest_size(instr);
- if (return_16)
- instr_return_channels = (instr_return_channels + 1) / 2;
-
- p1_unpacked.return_words_of_texture_data =
- (1 << MIN2(instr_return_channels,
- c->key->tex[unit].return_channels)) - 1;
-
- uint32_t p0_packed;
- V3D33_TEXTURE_UNIFORM_PARAMETER_0_CFG_MODE1_pack(NULL,
- (uint8_t *)&p0_packed,
- &p0_unpacked);
-
- uint32_t p1_packed;
- V3D33_TEXTURE_UNIFORM_PARAMETER_1_CFG_MODE1_pack(NULL,
- (uint8_t *)&p1_packed,
- &p1_unpacked);
- /* Load unit number into the address field, which will be be used by
- * the driver to decide which texture to put in the actual address
- * field.
- */
- p1_packed |= unit << 5;
-
- /* There is no native support for GL texture rectangle coordinates, so
- * we have to rescale from ([0, width], [0, height]) to ([0, 1], [0,
- * 1]).
- */
- if (instr->sampler_dim == GLSL_SAMPLER_DIM_RECT) {
- coords[0] = vir_FMUL(c, coords[0],
- vir_uniform(c, QUNIFORM_TEXRECT_SCALE_X,
- unit));
- coords[1] = vir_FMUL(c, coords[1],
- vir_uniform(c, QUNIFORM_TEXRECT_SCALE_Y,
- unit));
- }
-
- struct qreg texture_u[] = {
- vir_uniform(c, QUNIFORM_TEXTURE_CONFIG_P0_0 + unit, p0_packed),
- vir_uniform(c, QUNIFORM_TEXTURE_CONFIG_P1, p1_packed),
- };
- uint32_t next_texture_u = 0;
-
- for (int i = 0; i < next_coord; i++) {
- struct qreg dst;
-
- if (i == next_coord - 1)
- dst = vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_TMUL);
- else
- dst = vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_TMU);
-
- struct qinst *tmu = vir_MOV_dest(c, dst, coords[i]);
-
- if (i < 2) {
- tmu->has_implicit_uniform = true;
- tmu->src[vir_get_implicit_uniform_src(tmu)] =
- texture_u[next_texture_u++];
- }
- }
-
- vir_emit_thrsw(c);
-
- struct qreg return_values[4];
- for (int i = 0; i < 4; i++) {
- /* Swizzling .zw of an RG texture should give undefined
- * results, not crash the compiler.
- */
- if (p1_unpacked.return_words_of_texture_data & (1 << i))
- return_values[i] = vir_LDTMU(c);
- else
- return_values[i] = c->undef;
- }
-
- for (int i = 0; i < nir_tex_instr_dest_size(instr); i++) {
- struct qreg chan;
-
- if (return_16) {
- STATIC_ASSERT(PIPE_SWIZZLE_X == 0);
- chan = return_values[i / 2];
-
- if (nir_alu_type_get_base_type(instr->dest_type) ==
- nir_type_float) {
- enum v3d_qpu_input_unpack unpack;
- if (i & 1)
- unpack = V3D_QPU_UNPACK_H;
- else
- unpack = V3D_QPU_UNPACK_L;
-
- chan = vir_FMOV(c, chan);
- vir_set_unpack(c->defs[chan.index], 0, unpack);
- } else {
- /* If we're unpacking the low field, shift it
- * up to the top first.
- */
- if ((i & 1) == 0) {
- chan = vir_SHL(c, chan,
- vir_uniform_ui(c, 16));
- }
-
- /* Do proper sign extension to a 32-bit int. */
- if (nir_alu_type_get_base_type(instr->dest_type) ==
- nir_type_int) {
- chan = vir_ASR(c, chan,
- vir_uniform_ui(c, 16));
- } else {
- chan = vir_SHR(c, chan,
- vir_uniform_ui(c, 16));
- }
- }
- } else {
- chan = vir_MOV(c, return_values[i]);
- }
- ntq_store_dest(c, &instr->dest, i, chan);
- }
+ v3d33_vir_emit_tex(c, instr);
}
static struct qreg
diff --git a/src/broadcom/compiler/v3d33_tex.c b/src/broadcom/compiler/v3d33_tex.c
new file mode 100644
index 00000000000..9af9285e07b
--- /dev/null
+++ b/src/broadcom/compiler/v3d33_tex.c
@@ -0,0 +1,248 @@
+/*
+ * Copyright © 2016-2018 Broadcom
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "v3d_compiler.h"
+
+/* We don't do any address packing. */
+#define __gen_user_data void
+#define __gen_address_type uint32_t
+#define __gen_address_offset(reloc) (*reloc)
+#define __gen_emit_reloc(cl, reloc)
+#include "cle/v3d_packet_v33_pack.h"
+
+void
+v3d33_vir_emit_tex(struct v3d_compile *c, nir_tex_instr *instr)
+{
+ unsigned unit = instr->texture_index;
+
+ struct V3D33_TEXTURE_UNIFORM_PARAMETER_0_CFG_MODE1 p0_unpacked = {
+ V3D33_TEXTURE_UNIFORM_PARAMETER_0_CFG_MODE1_header,
+
+ .fetch_sample_mode = instr->op == nir_texop_txf,
+ };
+
+ struct V3D33_TEXTURE_UNIFORM_PARAMETER_1_CFG_MODE1 p1_unpacked = {
+ };
+
+ switch (instr->sampler_dim) {
+ case GLSL_SAMPLER_DIM_1D:
+ if (instr->is_array)
+ p0_unpacked.lookup_type = TEXTURE_1D_ARRAY;
+ else
+ p0_unpacked.lookup_type = TEXTURE_1D;
+ break;
+ case GLSL_SAMPLER_DIM_2D:
+ case GLSL_SAMPLER_DIM_RECT:
+ if (instr->is_array)
+ p0_unpacked.lookup_type = TEXTURE_2D_ARRAY;
+ else
+ p0_unpacked.lookup_type = TEXTURE_2D;
+ break;
+ case GLSL_SAMPLER_DIM_3D:
+ p0_unpacked.lookup_type = TEXTURE_3D;
+ break;
+ case GLSL_SAMPLER_DIM_CUBE:
+ p0_unpacked.lookup_type = TEXTURE_CUBE_MAP;
+ break;
+ default:
+ unreachable("Bad sampler type");
+ }
+
+ struct qreg coords[5];
+ int next_coord = 0;
+ for (unsigned i = 0; i < instr->num_srcs; i++) {
+ switch (instr->src[i].src_type) {
+ case nir_tex_src_coord:
+ for (int j = 0; j < instr->coord_components; j++) {
+ coords[next_coord++] =
+ ntq_get_src(c, instr->src[i].src, j);
+ }
+ if (instr->coord_components < 2)
+ coords[next_coord++] = vir_uniform_f(c, 0.5);
+ break;
+ case nir_tex_src_bias:
+ coords[next_coord++] =
+ ntq_get_src(c, instr->src[i].src, 0);
+
+ p0_unpacked.bias_supplied = true;
+ break;
+ case nir_tex_src_lod:
+ coords[next_coord++] =
+ vir_FADD(c,
+ ntq_get_src(c, instr->src[i].src, 0),
+ vir_uniform(c, QUNIFORM_TEXTURE_FIRST_LEVEL,
+ unit));
+
+ if (instr->op != nir_texop_txf &&
+ instr->op != nir_texop_tg4) {
+ p0_unpacked.disable_autolod_use_bias_only = true;
+ }
+ break;
+ case nir_tex_src_comparator:
+ coords[next_coord++] =
+ ntq_get_src(c, instr->src[i].src, 0);
+
+ p0_unpacked.shadow = true;
+ break;
+
+ case nir_tex_src_offset: {
+ nir_const_value *offset =
+ nir_src_as_const_value(instr->src[i].src);
+ p0_unpacked.texel_offset_for_s_coordinate =
+ offset->i32[0];
+
+ if (instr->coord_components >= 2)
+ p0_unpacked.texel_offset_for_t_coordinate =
+ offset->i32[1];
+
+ if (instr->coord_components >= 3)
+ p0_unpacked.texel_offset_for_r_coordinate =
+ offset->i32[2];
+ break;
+ }
+
+ default:
+ unreachable("unknown texture source");
+ }
+ }
+
+ bool return_16 = (c->key->tex[unit].return_size == 16 ||
+ p0_unpacked.shadow);
+
+ /* Limit the number of channels returned to both how many the NIR
+ * instruction writes and how many the instruction could produce.
+ */
+ uint32_t instr_return_channels = nir_tex_instr_dest_size(instr);
+ if (return_16)
+ instr_return_channels = (instr_return_channels + 1) / 2;
+
+ p1_unpacked.return_words_of_texture_data =
+ (1 << MIN2(instr_return_channels,
+ c->key->tex[unit].return_channels)) - 1;
+
+ uint32_t p0_packed;
+ V3D33_TEXTURE_UNIFORM_PARAMETER_0_CFG_MODE1_pack(NULL,
+ (uint8_t *)&p0_packed,
+ &p0_unpacked);
+
+ uint32_t p1_packed;
+ V3D33_TEXTURE_UNIFORM_PARAMETER_1_CFG_MODE1_pack(NULL,
+ (uint8_t *)&p1_packed,
+ &p1_unpacked);
+ /* Load unit number into the address field, which will be be used by
+ * the driver to decide which texture to put in the actual address
+ * field.
+ */
+ p1_packed |= unit << 5;
+
+ /* There is no native support for GL texture rectangle coordinates, so
+ * we have to rescale from ([0, width], [0, height]) to ([0, 1], [0,
+ * 1]).
+ */
+ if (instr->sampler_dim == GLSL_SAMPLER_DIM_RECT) {
+ coords[0] = vir_FMUL(c, coords[0],
+ vir_uniform(c, QUNIFORM_TEXRECT_SCALE_X,
+ unit));
+ coords[1] = vir_FMUL(c, coords[1],
+ vir_uniform(c, QUNIFORM_TEXRECT_SCALE_Y,
+ unit));
+ }
+
+ struct qreg texture_u[] = {
+ vir_uniform(c, QUNIFORM_TEXTURE_CONFIG_P0_0 + unit, p0_packed),
+ vir_uniform(c, QUNIFORM_TEXTURE_CONFIG_P1, p1_packed),
+ };
+ uint32_t next_texture_u = 0;
+
+ for (int i = 0; i < next_coord; i++) {
+ struct qreg dst;
+
+ if (i == next_coord - 1)
+ dst = vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_TMUL);
+ else
+ dst = vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_TMU);
+
+ struct qinst *tmu = vir_MOV_dest(c, dst, coords[i]);
+
+ if (i < 2) {
+ tmu->has_implicit_uniform = true;
+ tmu->src[vir_get_implicit_uniform_src(tmu)] =
+ texture_u[next_texture_u++];
+ }
+ }
+
+ vir_emit_thrsw(c);
+
+ struct qreg return_values[4];
+ for (int i = 0; i < 4; i++) {
+ /* Swizzling .zw of an RG texture should give undefined
+ * results, not crash the compiler.
+ */
+ if (p1_unpacked.return_words_of_texture_data & (1 << i))
+ return_values[i] = vir_LDTMU(c);
+ else
+ return_values[i] = c->undef;
+ }
+
+ for (int i = 0; i < nir_tex_instr_dest_size(instr); i++) {
+ struct qreg chan;
+
+ if (return_16) {
+ STATIC_ASSERT(PIPE_SWIZZLE_X == 0);
+ chan = return_values[i / 2];
+
+ if (nir_alu_type_get_base_type(instr->dest_type) ==
+ nir_type_float) {
+ enum v3d_qpu_input_unpack unpack;
+ if (i & 1)
+ unpack = V3D_QPU_UNPACK_H;
+ else
+ unpack = V3D_QPU_UNPACK_L;
+
+ chan = vir_FMOV(c, chan);
+ vir_set_unpack(c->defs[chan.index], 0, unpack);
+ } else {
+ /* If we're unpacking the low field, shift it
+ * up to the top first.
+ */
+ if ((i & 1) == 0) {
+ chan = vir_SHL(c, chan,
+ vir_uniform_ui(c, 16));
+ }
+
+ /* Do proper sign extension to a 32-bit int. */
+ if (nir_alu_type_get_base_type(instr->dest_type) ==
+ nir_type_int) {
+ chan = vir_ASR(c, chan,
+ vir_uniform_ui(c, 16));
+ } else {
+ chan = vir_SHR(c, chan,
+ vir_uniform_ui(c, 16));
+ }
+ }
+ } else {
+ chan = vir_MOV(c, return_values[i]);
+ }
+ ntq_store_dest(c, &instr->dest, i, chan);
+ }
+}
diff --git a/src/broadcom/compiler/v3d_compiler.h b/src/broadcom/compiler/v3d_compiler.h
index 15cc16ceb60..cb501695aed 100644
--- a/src/broadcom/compiler/v3d_compiler.h
+++ b/src/broadcom/compiler/v3d_compiler.h
@@ -665,6 +665,10 @@ bool vir_writes_r3(const struct v3d_device_info *devinfo, struct qinst *inst);
bool vir_writes_r4(const struct v3d_device_info *devinfo, struct qinst *inst);
struct qreg vir_follow_movs(struct v3d_compile *c, struct qreg reg);
uint8_t vir_channels_written(struct qinst *inst);
+struct qreg ntq_get_src(struct v3d_compile *c, nir_src src, int i);
+void ntq_store_dest(struct v3d_compile *c, nir_dest *dest, int chan,
+ struct qreg result);
+void vir_emit_thrsw(struct v3d_compile *c);
void vir_dump(struct v3d_compile *c);
void vir_dump_inst(struct v3d_compile *c, struct qinst *inst);
@@ -686,6 +690,7 @@ void vir_lower_uniforms(struct v3d_compile *c);
void v3d33_vir_vpm_read_setup(struct v3d_compile *c, int num_components);
void v3d33_vir_vpm_write_setup(struct v3d_compile *c);
+void v3d33_vir_emit_tex(struct v3d_compile *c, nir_tex_instr *instr);
void v3d_vir_to_qpu(struct v3d_compile *c, struct qpu_reg *temp_registers);
uint32_t v3d_qpu_schedule_instructions(struct v3d_compile *c);
@@ -887,6 +892,14 @@ vir_NOP(struct v3d_compile *c)
return vir_emit_nondef(c, vir_add_inst(V3D_QPU_A_NOP,
c->undef, c->undef, c->undef));
}
+
+static inline struct qreg
+vir_LDTMU(struct v3d_compile *c)
+{
+ vir_NOP(c)->qpu.sig.ldtmu = true;
+ return vir_MOV(c, vir_reg(QFILE_MAGIC, V3D_QPU_WADDR_R4));
+}
+
/*
static inline struct qreg
vir_LOAD_IMM(struct v3d_compile *c, uint32_t val)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 04:15:21 +0000