freedreno/a6xx: compute support
authorRob Clark <robdclark@gmail.com>
Thu, 7 Feb 2019 13:20:25 +0000 (08:20 -0500)
committerRob Clark <robdclark@gmail.com>
Sat, 16 Feb 2019 21:28:00 +0000 (16:28 -0500)
Signed-off-by: Rob Clark <robdclark@gmail.com>
src/gallium/drivers/freedreno/Makefile.sources
src/gallium/drivers/freedreno/a6xx/fd6_compute.c [new file with mode: 0644]
src/gallium/drivers/freedreno/a6xx/fd6_compute.h [new file with mode: 0644]
src/gallium/drivers/freedreno/a6xx/fd6_context.c
src/gallium/drivers/freedreno/a6xx/fd6_emit.c
src/gallium/drivers/freedreno/a6xx/fd6_program.c
src/gallium/drivers/freedreno/freedreno_screen.h
src/gallium/drivers/freedreno/meson.build

index e11c425..034a8dc 100644 (file)
@@ -169,6 +169,8 @@ a6xx_SOURCES := \
        a6xx/fd6_blend.h \
        a6xx/fd6_blitter.c \
        a6xx/fd6_blitter.h \
+       a6xx/fd6_compute.c \
+       a6xx/fd6_compute.h \
        a6xx/fd6_context.c \
        a6xx/fd6_context.h \
        a6xx/fd6_draw.c \
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_compute.c b/src/gallium/drivers/freedreno/a6xx/fd6_compute.c
new file mode 100644 (file)
index 0000000..fd6b2d0
--- /dev/null
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2019 Rob Clark <robclark@freedesktop.org>
+ *
+ * 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.
+ *
+ * Authors:
+ *    Rob Clark <robclark@freedesktop.org>
+ */
+
+#include "pipe/p_state.h"
+
+#include "freedreno_resource.h"
+
+#include "fd6_compute.h"
+#include "fd6_context.h"
+#include "fd6_emit.h"
+
+struct fd6_compute_stateobj {
+       struct ir3_shader *shader;
+};
+
+
+static void *
+fd6_create_compute_state(struct pipe_context *pctx,
+               const struct pipe_compute_state *cso)
+{
+       struct fd_context *ctx = fd_context(pctx);
+
+       /* req_input_mem will only be non-zero for cl kernels (ie. clover).
+        * This isn't a perfect test because I guess it is possible (but
+        * uncommon) for none for the kernel parameters to be a global,
+        * but ctx->set_global_bindings() can't fail, so this is the next
+        * best place to fail if we need a newer version of kernel driver:
+        */
+       if ((cso->req_input_mem > 0) &&
+                       fd_device_version(ctx->dev) < FD_VERSION_BO_IOVA) {
+               return NULL;
+       }
+
+       struct ir3_compiler *compiler = ctx->screen->compiler;
+       struct fd6_compute_stateobj *so = CALLOC_STRUCT(fd6_compute_stateobj);
+       so->shader = ir3_shader_create_compute(compiler, cso, &ctx->debug);
+       return so;
+}
+
+static void
+fd6_delete_compute_state(struct pipe_context *pctx, void *hwcso)
+{
+       struct fd6_compute_stateobj *so = hwcso;
+       ir3_shader_destroy(so->shader);
+       free(so);
+}
+
+/* maybe move to fd6_program? */
+static void
+cs_program_emit(struct fd_ringbuffer *ring, struct ir3_shader_variant *v,
+               const struct pipe_grid_info *info)
+{
+       const struct ir3_info *i = &v->info;
+       enum a3xx_threadsize thrsz = FOUR_QUADS;
+
+       OUT_PKT4(ring, REG_A6XX_HLSQ_UPDATE_CNTL, 1);
+       OUT_RING(ring, 0xff);
+
+       unsigned constlen = align(v->constlen, 4);
+       OUT_PKT4(ring, REG_A6XX_HLSQ_CS_CNTL, 1);
+       OUT_RING(ring, A6XX_HLSQ_CS_CNTL_CONSTLEN(constlen) |
+                       A6XX_HLSQ_CS_CNTL_ENABLED);
+
+       OUT_PKT4(ring, REG_A6XX_SP_CS_CONFIG, 2);
+       OUT_RING(ring, A6XX_SP_CS_CONFIG_ENABLED |
+                       A6XX_SP_CS_CONFIG_NIBO(v->image_mapping.num_ibo) |
+                       A6XX_SP_CS_CONFIG_NTEX(v->num_samp) |
+                       A6XX_SP_CS_CONFIG_NSAMP(v->num_samp));    /* SP_VS_CONFIG */
+       OUT_RING(ring, v->instrlen);                      /* SP_VS_INSTRLEN */
+
+       OUT_PKT4(ring, REG_A6XX_SP_CS_CTRL_REG0, 1);
+       OUT_RING(ring, A6XX_SP_CS_CTRL_REG0_THREADSIZE(thrsz) |
+                       A6XX_SP_CS_CTRL_REG0_FULLREGFOOTPRINT(i->max_reg + 1) |
+                       A6XX_SP_CS_CTRL_REG0_MERGEDREGS |
+                       A6XX_SP_CS_CTRL_REG0_BRANCHSTACK(v->branchstack) |
+                       COND(v->num_samp > 0, A6XX_SP_CS_CTRL_REG0_PIXLODENABLE));
+
+       OUT_PKT4(ring, REG_A6XX_SP_CS_UNKNOWN_A9B1, 1);
+       OUT_RING(ring, 0x41);
+
+       uint32_t local_invocation_id, work_group_id;
+       local_invocation_id = ir3_find_sysval_regid(v, SYSTEM_VALUE_LOCAL_INVOCATION_ID);
+       work_group_id = ir3_find_sysval_regid(v, SYSTEM_VALUE_WORK_GROUP_ID);
+
+       OUT_PKT4(ring, REG_A6XX_HLSQ_CS_CNTL_0, 2);
+       OUT_RING(ring, A6XX_HLSQ_CS_CNTL_0_WGIDCONSTID(work_group_id) |
+               A6XX_HLSQ_CS_CNTL_0_UNK0(regid(63, 0)) |
+               A6XX_HLSQ_CS_CNTL_0_UNK1(regid(63, 0)) |
+               A6XX_HLSQ_CS_CNTL_0_LOCALIDREGID(local_invocation_id));
+       OUT_RING(ring, 0x2fc);             /* HLSQ_CS_UNKNOWN_B998 */
+
+       OUT_PKT4(ring, REG_A6XX_SP_CS_OBJ_START_LO, 2);
+       OUT_RELOC(ring, v->bo, 0, 0, 0);   /* SP_CS_OBJ_START_LO/HI */
+
+       if (v->instrlen > 0)
+               fd6_emit_shader(ring, v);
+}
+
+static void
+fd6_launch_grid(struct fd_context *ctx, const struct pipe_grid_info *info)
+{
+       struct fd6_compute_stateobj *so = ctx->compute;
+       struct ir3_shader_key key = {};
+       struct ir3_shader_variant *v;
+       struct fd_ringbuffer *ring = ctx->batch->draw;
+       unsigned i, nglobal = 0;
+
+       fd6_emit_restore(ctx->batch, ring);
+
+       v = ir3_shader_variant(so->shader, key, false, &ctx->debug);
+       if (!v)
+               return;
+
+       if (ctx->dirty_shader[PIPE_SHADER_COMPUTE] & FD_DIRTY_SHADER_PROG)
+               cs_program_emit(ring, v, info);
+
+       fd6_emit_cs_state(ctx, ring, v);
+       ir3_emit_cs_consts(v, ring, ctx, info);
+
+       foreach_bit(i, ctx->global_bindings.enabled_mask)
+               nglobal++;
+
+       if (nglobal > 0) {
+               /* global resources don't otherwise get an OUT_RELOC(), since
+                * the raw ptr address is emitted in ir3_emit_cs_consts().
+                * So to make the kernel aware that these buffers are referenced
+                * by the batch, emit dummy reloc's as part of a no-op packet
+                * payload:
+                */
+               OUT_PKT7(ring, CP_NOP, 2 * nglobal);
+               foreach_bit(i, ctx->global_bindings.enabled_mask) {
+                       struct pipe_resource *prsc = ctx->global_bindings.buf[i];
+                       OUT_RELOCW(ring, fd_resource(prsc)->bo, 0, 0, 0);
+               }
+       }
+
+       OUT_PKT7(ring, CP_SET_MARKER, 1);
+       OUT_RING(ring, A2XX_CP_SET_MARKER_0_MODE(0x8));
+
+       const unsigned *local_size = info->block; // v->shader->nir->info->cs.local_size;
+       const unsigned *num_groups = info->grid;
+       /* for some reason, mesa/st doesn't set info->work_dim, so just assume 3: */
+       const unsigned work_dim = info->work_dim ? info->work_dim : 3;
+       OUT_PKT4(ring, REG_A6XX_HLSQ_CS_NDRANGE_0, 7);
+       OUT_RING(ring, A6XX_HLSQ_CS_NDRANGE_0_KERNELDIM(work_dim) |
+               A6XX_HLSQ_CS_NDRANGE_0_LOCALSIZEX(local_size[0] - 1) |
+               A6XX_HLSQ_CS_NDRANGE_0_LOCALSIZEY(local_size[1] - 1) |
+               A6XX_HLSQ_CS_NDRANGE_0_LOCALSIZEZ(local_size[2] - 1));
+       OUT_RING(ring, A6XX_HLSQ_CS_NDRANGE_1_GLOBALSIZE_X(local_size[0] * num_groups[0]));
+       OUT_RING(ring, 0);            /* HLSQ_CS_NDRANGE_2_GLOBALOFF_X */
+       OUT_RING(ring, A6XX_HLSQ_CS_NDRANGE_3_GLOBALSIZE_Y(local_size[1] * num_groups[1]));
+       OUT_RING(ring, 0);            /* HLSQ_CS_NDRANGE_4_GLOBALOFF_Y */
+       OUT_RING(ring, A6XX_HLSQ_CS_NDRANGE_5_GLOBALSIZE_Z(local_size[2] * num_groups[2]));
+       OUT_RING(ring, 0);            /* HLSQ_CS_NDRANGE_6_GLOBALOFF_Z */
+
+       OUT_PKT4(ring, REG_A6XX_HLSQ_CS_KERNEL_GROUP_X, 3);
+       OUT_RING(ring, 1);            /* HLSQ_CS_KERNEL_GROUP_X */
+       OUT_RING(ring, 1);            /* HLSQ_CS_KERNEL_GROUP_Y */
+       OUT_RING(ring, 1);            /* HLSQ_CS_KERNEL_GROUP_Z */
+
+       if (info->indirect) {
+               struct fd_resource *rsc = fd_resource(info->indirect);
+
+               OUT_PKT7(ring, CP_EXEC_CS_INDIRECT, 4);
+               OUT_RING(ring, 0x00000000);
+               OUT_RELOC(ring, rsc->bo, info->indirect_offset, 0, 0);  /* ADDR_LO/HI */
+               OUT_RING(ring, A5XX_CP_EXEC_CS_INDIRECT_3_LOCALSIZEX(local_size[0] - 1) |
+                               A5XX_CP_EXEC_CS_INDIRECT_3_LOCALSIZEY(local_size[1] - 1) |
+                               A5XX_CP_EXEC_CS_INDIRECT_3_LOCALSIZEZ(local_size[2] - 1));
+       } else {
+               OUT_PKT7(ring, CP_EXEC_CS, 4);
+               OUT_RING(ring, 0x00000000);
+               OUT_RING(ring, CP_EXEC_CS_1_NGROUPS_X(info->grid[0]));
+               OUT_RING(ring, CP_EXEC_CS_2_NGROUPS_Y(info->grid[1]));
+               OUT_RING(ring, CP_EXEC_CS_3_NGROUPS_Z(info->grid[2]));
+       }
+
+       OUT_WFI5(ring);
+}
+
+void
+fd6_compute_init(struct pipe_context *pctx)
+{
+       struct fd_context *ctx = fd_context(pctx);
+       ctx->launch_grid = fd6_launch_grid;
+       pctx->create_compute_state = fd6_create_compute_state;
+       pctx->delete_compute_state = fd6_delete_compute_state;
+}
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_compute.h b/src/gallium/drivers/freedreno/a6xx/fd6_compute.h
new file mode 100644 (file)
index 0000000..61354f4
--- /dev/null
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2019 Rob Clark <robclark@freedesktop.org>
+ *
+ * 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.
+ *
+ * Authors:
+ *    Rob Clark <robclark@freedesktop.org>
+ */
+
+#ifndef FD6_COMPUTE_H_
+#define FD6_COMPUTE_H_
+
+#include "pipe/p_context.h"
+
+void fd6_compute_init(struct pipe_context *pctx);
+
+#endif /* FD6_COMPUTE_H_ */
index b8939b1..7ba0926 100644 (file)
@@ -28,6 +28,7 @@
 #include "freedreno_query_acc.h"
 
 #include "fd6_context.h"
+#include "fd6_compute.h"
 #include "fd6_blend.h"
 #include "fd6_blitter.h"
 #include "fd6_draw.h"
@@ -93,6 +94,7 @@ fd6_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
        pctx->create_depth_stencil_alpha_state = fd6_zsa_state_create;
 
        fd6_draw_init(pctx);
+       fd6_compute_init(pctx);
        fd6_gmem_init(pctx);
        fd6_texture_init(pctx);
        fd6_prog_init(pctx);
index 397c043..bf9aed6 100644 (file)
@@ -354,7 +354,7 @@ fd6_emit_textures(struct fd_pipe *pipe, struct fd_ringbuffer *ring,
                opcode = CP_LOAD_STATE6_FRAG;
                tex_samp_reg = REG_A6XX_SP_CS_TEX_SAMP_LO;
                tex_const_reg = REG_A6XX_SP_CS_TEX_CONST_LO;
-               tex_count_reg = 0; //REG_A6XX_SP_CS_TEX_COUNT;
+               tex_count_reg = REG_A6XX_SP_CS_TEX_COUNT;
                break;
        default:
                unreachable("bad state block");
@@ -468,10 +468,8 @@ fd6_emit_textures(struct fd_pipe *pipe, struct fd_ringbuffer *ring,
                fd_ringbuffer_del(state);
        }
 
-       if (tex_count_reg) {
-               OUT_PKT4(ring, tex_count_reg, 1);
-               OUT_RING(ring, num_merged_textures);
-       }
+       OUT_PKT4(ring, tex_count_reg, 1);
+       OUT_RING(ring, num_merged_textures);
 
        return needs_border;
 }
@@ -996,43 +994,56 @@ fd6_emit_cs_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
 {
        enum fd_dirty_shader_state dirty = ctx->dirty_shader[PIPE_SHADER_COMPUTE];
 
-       if (dirty & FD_DIRTY_SHADER_TEX) {
-               bool needs_border = false;
-               needs_border |= fd6_emit_textures(ctx->pipe, ring, SB6_CS_TEX,
-                               &ctx->tex[PIPE_SHADER_COMPUTE], 0, NULL, NULL, NULL);
+       if (dirty & (FD_DIRTY_SHADER_TEX | FD_DIRTY_SHADER_PROG |
+                        FD_DIRTY_SHADER_IMAGE | FD_DIRTY_SHADER_SSBO)) {
+               struct fd_texture_stateobj *tex = &ctx->tex[PIPE_SHADER_COMPUTE];
+               struct fd_shaderbuf_stateobj *buf = &ctx->shaderbuf[PIPE_SHADER_COMPUTE];
+               struct fd_shaderimg_stateobj *img = &ctx->shaderimg[PIPE_SHADER_COMPUTE];
+               unsigned bcolor_offset = fd6_border_color_offset(ctx, SB6_CS_TEX, tex);
+
+               bool needs_border = fd6_emit_textures(ctx->pipe, ring, SB6_CS_TEX, tex,
+                               bcolor_offset, cp, buf, img);
 
                if (needs_border)
                        emit_border_color(ctx, ring);
 
-#if 0
-               OUT_PKT4(ring, REG_A6XX_TPL1_VS_TEX_COUNT, 1);
+               OUT_PKT4(ring, REG_A6XX_SP_VS_TEX_COUNT, 1);
                OUT_RING(ring, 0);
 
-               OUT_PKT4(ring, REG_A6XX_TPL1_HS_TEX_COUNT, 1);
+               OUT_PKT4(ring, REG_A6XX_SP_HS_TEX_COUNT, 1);
                OUT_RING(ring, 0);
 
-               OUT_PKT4(ring, REG_A6XX_TPL1_DS_TEX_COUNT, 1);
+               OUT_PKT4(ring, REG_A6XX_SP_DS_TEX_COUNT, 1);
                OUT_RING(ring, 0);
 
-               OUT_PKT4(ring, REG_A6XX_TPL1_GS_TEX_COUNT, 1);
+               OUT_PKT4(ring, REG_A6XX_SP_GS_TEX_COUNT, 1);
                OUT_RING(ring, 0);
 
-               OUT_PKT4(ring, REG_A6XX_TPL1_FS_TEX_COUNT, 1);
+               OUT_PKT4(ring, REG_A6XX_SP_FS_TEX_COUNT, 1);
                OUT_RING(ring, 0);
-#endif
        }
 
-#if 0
-       OUT_PKT4(ring, REG_A6XX_TPL1_CS_TEX_COUNT, 1);
-       OUT_RING(ring, ctx->shaderimg[PIPE_SHADER_COMPUTE].enabled_mask ?
-                       ~0 : ctx->tex[PIPE_SHADER_COMPUTE].num_textures);
-#endif
+       if (dirty & (FD_DIRTY_SHADER_SSBO | FD_DIRTY_SHADER_IMAGE)) {
+               struct fd_ringbuffer *state =
+                       fd6_build_ibo_state(ctx, cp, PIPE_SHADER_COMPUTE);
+               const struct ir3_ibo_mapping *mapping = &cp->image_mapping;
 
-//     if (dirty & FD_DIRTY_SHADER_SSBO)
-//             fd6_emit_ssbos(ctx, ring, PIPE_SHADER_COMPUTE);
-//
-//     if (dirty & FD_DIRTY_SHADER_IMAGE)
-//             fd6_emit_images(ctx, ring, PIPE_SHADER_COMPUTE);
+               OUT_PKT7(ring, CP_LOAD_STATE6_FRAG, 3);
+               OUT_RING(ring, CP_LOAD_STATE6_0_DST_OFF(0) |
+                       CP_LOAD_STATE6_0_STATE_TYPE(ST6_IBO) |
+                       CP_LOAD_STATE6_0_STATE_SRC(SS6_INDIRECT) |
+                       CP_LOAD_STATE6_0_STATE_BLOCK(SB6_CS_SHADER) |
+                       CP_LOAD_STATE6_0_NUM_UNIT(mapping->num_ibo));
+               OUT_RB(ring, state);
+
+               OUT_PKT4(ring, REG_A6XX_SP_CS_IBO_LO, 2);
+               OUT_RB(ring, state);
+
+               OUT_PKT4(ring, REG_A6XX_SP_CS_IBO_COUNT, 1);
+               OUT_RING(ring, mapping->num_ibo);
+
+               fd_ringbuffer_del(state);
+       }
 }
 
 
index a9d8384..5527b8c 100644 (file)
@@ -238,11 +238,9 @@ setup_stream_out(struct fd6_program_state *state, const struct ir3_shader_varian
 struct stage {
        const struct ir3_shader_variant *v;
        const struct ir3_info *i;
-       /* const sizes are in units of 4 * vec4 */
-       uint8_t constoff;
+       /* const sizes are in units of vec4, aligned to 4*vec4 */
        uint8_t constlen;
        /* instr sizes are in units of 16 instructions */
-       uint8_t instroff;
        uint8_t instrlen;
 };
 
@@ -287,16 +285,6 @@ setup_stages(struct fd6_program_state *state, struct stage *s, bool binning_pass
                        s[i].instrlen = 0;
                }
        }
-
-       unsigned constoff = 0;
-       for (i = 0; i < MAX_STAGES; i++) {
-               s[i].constoff = constoff;
-               constoff += s[i].constlen;
-       }
-
-       s[VS].instroff = 0;
-       s[FS].instroff = 64 - s[FS].instrlen;
-       s[HS].instroff = s[DS].instroff = s[GS].instroff = s[FS].instroff;
 }
 
 static void
index 3afca8c..d8d045a 100644 (file)
@@ -177,7 +177,7 @@ is_ir3(struct fd_screen *screen)
 static inline bool
 has_compute(struct fd_screen *screen)
 {
-       return is_a5xx(screen);
+       return is_a5xx(screen) || is_a6xx(screen);
 }
 
 #endif /* FREEDRENO_SCREEN_H_ */
index 90c0b62..c0f3ff4 100644 (file)
@@ -179,6 +179,8 @@ files_libfreedreno = files(
   'a6xx/fd6_blend.h',
   'a6xx/fd6_blitter.c',
   'a6xx/fd6_blitter.h',
+  'a6xx/fd6_compute.c',
+  'a6xx/fd6_compute.h',
   'a6xx/fd6_context.c',
   'a6xx/fd6_context.h',
   'a6xx/fd6_draw.c',