| /* |
| * © Copyright 2018 Alyssa Rosenzweig |
| * |
| * 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 <sys/poll.h> |
| #include <errno.h> |
| |
| #include "pan_context.h" |
| #include "pan_format.h" |
| |
| #include "util/macros.h" |
| #include "util/u_format.h" |
| #include "util/u_inlines.h" |
| #include "util/u_upload_mgr.h" |
| #include "util/u_memory.h" |
| #include "util/u_vbuf.h" |
| #include "util/half_float.h" |
| #include "util/u_helpers.h" |
| #include "util/u_format.h" |
| #include "util/u_prim_restart.h" |
| #include "indices/u_primconvert.h" |
| #include "tgsi/tgsi_parse.h" |
| #include "util/u_math.h" |
| |
| #include "pan_screen.h" |
| #include "pan_blending.h" |
| #include "pan_blend_shaders.h" |
| #include "pan_util.h" |
| #include "pan_tiler.h" |
| |
| /* Do not actually send anything to the GPU; merely generate the cmdstream as fast as possible. Disables framebuffer writes */ |
| //#define DRY_RUN |
| |
| static enum mali_job_type |
| panfrost_job_type_for_pipe(enum pipe_shader_type type) { |
| switch (type) |
| { |
| case PIPE_SHADER_VERTEX: |
| return JOB_TYPE_VERTEX; |
| |
| case PIPE_SHADER_FRAGMENT: |
| /* Note: JOB_TYPE_FRAGMENT is different. |
| * JOB_TYPE_FRAGMENT actually executes the |
| * fragment shader, but JOB_TYPE_TILER is how you |
| * specify it*/ |
| return JOB_TYPE_TILER; |
| |
| case PIPE_SHADER_GEOMETRY: |
| return JOB_TYPE_GEOMETRY; |
| |
| case PIPE_SHADER_COMPUTE: |
| return JOB_TYPE_COMPUTE; |
| |
| default: |
| unreachable("Unsupported shader stage"); |
| } |
| } |
| |
| /* Framebuffer descriptor */ |
| |
| static struct midgard_tiler_descriptor |
| panfrost_emit_midg_tiler( |
| struct panfrost_context *ctx, |
| unsigned width, |
| unsigned height, |
| unsigned vertex_count) |
| { |
| struct midgard_tiler_descriptor t = {}; |
| |
| t.hierarchy_mask = |
| panfrost_choose_hierarchy_mask(width, height, vertex_count); |
| |
| /* Compute the polygon header size and use that to offset the body */ |
| |
| unsigned header_size = panfrost_tiler_header_size( |
| width, height, t.hierarchy_mask); |
| |
| unsigned body_size = panfrost_tiler_body_size( |
| width, height, t.hierarchy_mask); |
| |
| /* Sanity check */ |
| |
| if (t.hierarchy_mask) { |
| assert(ctx->tiler_polygon_list.bo->size >= (header_size + body_size)); |
| |
| /* Specify allocated tiler structures */ |
| t.polygon_list = ctx->tiler_polygon_list.bo->gpu; |
| |
| /* Allow the entire tiler heap */ |
| t.heap_start = ctx->tiler_heap.bo->gpu; |
| t.heap_end = |
| ctx->tiler_heap.bo->gpu + ctx->tiler_heap.bo->size; |
| } else { |
| /* The tiler is disabled, so don't allow the tiler heap */ |
| t.heap_start = ctx->tiler_heap.bo->gpu; |
| t.heap_end = t.heap_start; |
| |
| /* Use a dummy polygon list */ |
| t.polygon_list = ctx->tiler_dummy.bo->gpu; |
| |
| /* Also, set a "tiler disabled?" flag? */ |
| t.hierarchy_mask |= 0x1000; |
| } |
| |
| t.polygon_list_body = |
| t.polygon_list + header_size; |
| |
| t.polygon_list_size = |
| header_size + body_size; |
| |
| return t; |
| } |
| |
| struct mali_single_framebuffer |
| panfrost_emit_sfbd(struct panfrost_context *ctx, unsigned vertex_count) |
| { |
| unsigned width = ctx->pipe_framebuffer.width; |
| unsigned height = ctx->pipe_framebuffer.height; |
| |
| struct mali_single_framebuffer framebuffer = { |
| .width = MALI_POSITIVE(width), |
| .height = MALI_POSITIVE(height), |
| .unknown2 = 0x1f, |
| .format = 0x30000000, |
| .clear_flags = 0x1000, |
| .unknown_address_0 = ctx->scratchpad.bo->gpu, |
| .tiler = panfrost_emit_midg_tiler(ctx, |
| width, height, vertex_count), |
| }; |
| |
| return framebuffer; |
| } |
| |
| struct bifrost_framebuffer |
| panfrost_emit_mfbd(struct panfrost_context *ctx, unsigned vertex_count) |
| { |
| unsigned width = ctx->pipe_framebuffer.width; |
| unsigned height = ctx->pipe_framebuffer.height; |
| |
| struct bifrost_framebuffer framebuffer = { |
| .unk0 = 0x1e5, /* 1e4 if no spill */ |
| .width1 = MALI_POSITIVE(width), |
| .height1 = MALI_POSITIVE(height), |
| .width2 = MALI_POSITIVE(width), |
| .height2 = MALI_POSITIVE(height), |
| |
| .unk1 = 0x1080, |
| |
| .rt_count_1 = MALI_POSITIVE(ctx->pipe_framebuffer.nr_cbufs), |
| .rt_count_2 = 4, |
| |
| .unknown2 = 0x1f, |
| |
| .scratchpad = ctx->scratchpad.bo->gpu, |
| .tiler = panfrost_emit_midg_tiler(ctx, |
| width, height, vertex_count) |
| }; |
| |
| return framebuffer; |
| } |
| |
| /* Are we currently rendering to the screen (rather than an FBO)? */ |
| |
| bool |
| panfrost_is_scanout(struct panfrost_context *ctx) |
| { |
| /* If there is no color buffer, it's an FBO */ |
| if (ctx->pipe_framebuffer.nr_cbufs != 1) |
| return false; |
| |
| /* If we're too early that no framebuffer was sent, it's scanout */ |
| if (!ctx->pipe_framebuffer.cbufs[0]) |
| return true; |
| |
| return ctx->pipe_framebuffer.cbufs[0]->texture->bind & PIPE_BIND_DISPLAY_TARGET || |
| ctx->pipe_framebuffer.cbufs[0]->texture->bind & PIPE_BIND_SCANOUT || |
| ctx->pipe_framebuffer.cbufs[0]->texture->bind & PIPE_BIND_SHARED; |
| } |
| |
| static void |
| panfrost_clear( |
| struct pipe_context *pipe, |
| unsigned buffers, |
| const union pipe_color_union *color, |
| double depth, unsigned stencil) |
| { |
| struct panfrost_context *ctx = pan_context(pipe); |
| struct panfrost_job *job = panfrost_get_job_for_fbo(ctx); |
| |
| panfrost_job_clear(ctx, job, buffers, color, depth, stencil); |
| } |
| |
| static mali_ptr |
| panfrost_attach_vt_mfbd(struct panfrost_context *ctx) |
| { |
| return panfrost_upload_transient(ctx, &ctx->vt_framebuffer_mfbd, sizeof(ctx->vt_framebuffer_mfbd)) | MALI_MFBD; |
| } |
| |
| static mali_ptr |
| panfrost_attach_vt_sfbd(struct panfrost_context *ctx) |
| { |
| return panfrost_upload_transient(ctx, &ctx->vt_framebuffer_sfbd, sizeof(ctx->vt_framebuffer_sfbd)) | MALI_SFBD; |
| } |
| |
| static void |
| panfrost_attach_vt_framebuffer(struct panfrost_context *ctx, bool skippable) |
| { |
| /* Skip the attach if we can */ |
| |
| if (skippable && ctx->payloads[PIPE_SHADER_VERTEX].postfix.framebuffer) { |
| assert(ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.framebuffer); |
| return; |
| } |
| |
| struct panfrost_screen *screen = pan_screen(ctx->base.screen); |
| mali_ptr framebuffer = screen->require_sfbd ? |
| panfrost_attach_vt_sfbd(ctx) : |
| panfrost_attach_vt_mfbd(ctx); |
| |
| for (unsigned i = 0; i < PIPE_SHADER_TYPES; ++i) |
| ctx->payloads[i].postfix.framebuffer = framebuffer; |
| } |
| |
| /* Reset per-frame context, called on context initialisation as well as after |
| * flushing a frame */ |
| |
| static void |
| panfrost_invalidate_frame(struct panfrost_context *ctx) |
| { |
| struct panfrost_screen *screen = pan_screen(ctx->base.screen); |
| |
| if (screen->require_sfbd) |
| ctx->vt_framebuffer_sfbd = panfrost_emit_sfbd(ctx, ~0); |
| else |
| ctx->vt_framebuffer_mfbd = panfrost_emit_mfbd(ctx, ~0); |
| |
| for (unsigned i = 0; i < PIPE_SHADER_TYPES; ++i) |
| ctx->payloads[i].postfix.framebuffer = 0; |
| |
| if (ctx->rasterizer) |
| ctx->dirty |= PAN_DIRTY_RASTERIZER; |
| |
| /* XXX */ |
| ctx->dirty |= PAN_DIRTY_SAMPLERS | PAN_DIRTY_TEXTURES; |
| } |
| |
| /* In practice, every field of these payloads should be configurable |
| * arbitrarily, which means these functions are basically catch-all's for |
| * as-of-yet unwavering unknowns */ |
| |
| static void |
| panfrost_emit_vertex_payload(struct panfrost_context *ctx) |
| { |
| /* 0x2 bit clear on 32-bit T6XX */ |
| |
| struct midgard_payload_vertex_tiler payload = { |
| .gl_enables = 0x4 | 0x2, |
| }; |
| |
| /* Vertex and compute are closely coupled, so share a payload */ |
| |
| memcpy(&ctx->payloads[PIPE_SHADER_VERTEX], &payload, sizeof(payload)); |
| memcpy(&ctx->payloads[PIPE_SHADER_COMPUTE], &payload, sizeof(payload)); |
| } |
| |
| static void |
| panfrost_emit_tiler_payload(struct panfrost_context *ctx) |
| { |
| struct midgard_payload_vertex_tiler payload = { |
| .prefix = { |
| .zero1 = 0xffff, /* Why is this only seen on test-quad-textured? */ |
| }, |
| }; |
| |
| memcpy(&ctx->payloads[PIPE_SHADER_FRAGMENT], &payload, sizeof(payload)); |
| } |
| |
| static unsigned |
| translate_tex_wrap(enum pipe_tex_wrap w) |
| { |
| switch (w) { |
| case PIPE_TEX_WRAP_REPEAT: |
| return MALI_WRAP_REPEAT; |
| |
| case PIPE_TEX_WRAP_CLAMP_TO_EDGE: |
| return MALI_WRAP_CLAMP_TO_EDGE; |
| |
| case PIPE_TEX_WRAP_CLAMP_TO_BORDER: |
| return MALI_WRAP_CLAMP_TO_BORDER; |
| |
| case PIPE_TEX_WRAP_MIRROR_REPEAT: |
| return MALI_WRAP_MIRRORED_REPEAT; |
| |
| default: |
| unreachable("Invalid wrap"); |
| } |
| } |
| |
| static unsigned |
| panfrost_translate_compare_func(enum pipe_compare_func in) |
| { |
| switch (in) { |
| case PIPE_FUNC_NEVER: |
| return MALI_FUNC_NEVER; |
| |
| case PIPE_FUNC_LESS: |
| return MALI_FUNC_LESS; |
| |
| case PIPE_FUNC_EQUAL: |
| return MALI_FUNC_EQUAL; |
| |
| case PIPE_FUNC_LEQUAL: |
| return MALI_FUNC_LEQUAL; |
| |
| case PIPE_FUNC_GREATER: |
| return MALI_FUNC_GREATER; |
| |
| case PIPE_FUNC_NOTEQUAL: |
| return MALI_FUNC_NOTEQUAL; |
| |
| case PIPE_FUNC_GEQUAL: |
| return MALI_FUNC_GEQUAL; |
| |
| case PIPE_FUNC_ALWAYS: |
| return MALI_FUNC_ALWAYS; |
| |
| default: |
| unreachable("Invalid func"); |
| } |
| } |
| |
| static unsigned |
| panfrost_translate_alt_compare_func(enum pipe_compare_func in) |
| { |
| switch (in) { |
| case PIPE_FUNC_NEVER: |
| return MALI_ALT_FUNC_NEVER; |
| |
| case PIPE_FUNC_LESS: |
| return MALI_ALT_FUNC_LESS; |
| |
| case PIPE_FUNC_EQUAL: |
| return MALI_ALT_FUNC_EQUAL; |
| |
| case PIPE_FUNC_LEQUAL: |
| return MALI_ALT_FUNC_LEQUAL; |
| |
| case PIPE_FUNC_GREATER: |
| return MALI_ALT_FUNC_GREATER; |
| |
| case PIPE_FUNC_NOTEQUAL: |
| return MALI_ALT_FUNC_NOTEQUAL; |
| |
| case PIPE_FUNC_GEQUAL: |
| return MALI_ALT_FUNC_GEQUAL; |
| |
| case PIPE_FUNC_ALWAYS: |
| return MALI_ALT_FUNC_ALWAYS; |
| |
| default: |
| unreachable("Invalid alt func"); |
| } |
| } |
| |
| static unsigned |
| panfrost_translate_stencil_op(enum pipe_stencil_op in) |
| { |
| switch (in) { |
| case PIPE_STENCIL_OP_KEEP: |
| return MALI_STENCIL_KEEP; |
| |
| case PIPE_STENCIL_OP_ZERO: |
| return MALI_STENCIL_ZERO; |
| |
| case PIPE_STENCIL_OP_REPLACE: |
| return MALI_STENCIL_REPLACE; |
| |
| case PIPE_STENCIL_OP_INCR: |
| return MALI_STENCIL_INCR; |
| |
| case PIPE_STENCIL_OP_DECR: |
| return MALI_STENCIL_DECR; |
| |
| case PIPE_STENCIL_OP_INCR_WRAP: |
| return MALI_STENCIL_INCR_WRAP; |
| |
| case PIPE_STENCIL_OP_DECR_WRAP: |
| return MALI_STENCIL_DECR_WRAP; |
| |
| case PIPE_STENCIL_OP_INVERT: |
| return MALI_STENCIL_INVERT; |
| |
| default: |
| unreachable("Invalid stencil op"); |
| } |
| } |
| |
| static void |
| panfrost_make_stencil_state(const struct pipe_stencil_state *in, struct mali_stencil_test *out) |
| { |
| out->ref = 0; /* Gallium gets it from elsewhere */ |
| |
| out->mask = in->valuemask; |
| out->func = panfrost_translate_compare_func(in->func); |
| out->sfail = panfrost_translate_stencil_op(in->fail_op); |
| out->dpfail = panfrost_translate_stencil_op(in->zfail_op); |
| out->dppass = panfrost_translate_stencil_op(in->zpass_op); |
| } |
| |
| static void |
| panfrost_default_shader_backend(struct panfrost_context *ctx) |
| { |
| struct mali_shader_meta shader = { |
| .alpha_coverage = ~MALI_ALPHA_COVERAGE(0.000000), |
| |
| .unknown2_3 = MALI_DEPTH_FUNC(MALI_FUNC_ALWAYS) | 0x3010, |
| .unknown2_4 = MALI_NO_MSAA | 0x4e0, |
| }; |
| |
| /* unknown2_4 has 0x10 bit set on T6XX. We don't know why this is |
| * required (independent of 32-bit/64-bit descriptors), or why it's not |
| * used on later GPU revisions. Otherwise, all shader jobs fault on |
| * these earlier chips (perhaps this is a chicken bit of some kind). |
| * More investigation is needed. */ |
| |
| if (ctx->is_t6xx) { |
| shader.unknown2_4 |= 0x10; |
| } |
| |
| struct pipe_stencil_state default_stencil = { |
| .enabled = 0, |
| .func = PIPE_FUNC_ALWAYS, |
| .fail_op = MALI_STENCIL_KEEP, |
| .zfail_op = MALI_STENCIL_KEEP, |
| .zpass_op = MALI_STENCIL_KEEP, |
| .writemask = 0xFF, |
| .valuemask = 0xFF |
| }; |
| |
| panfrost_make_stencil_state(&default_stencil, &shader.stencil_front); |
| shader.stencil_mask_front = default_stencil.writemask; |
| |
| panfrost_make_stencil_state(&default_stencil, &shader.stencil_back); |
| shader.stencil_mask_back = default_stencil.writemask; |
| |
| if (default_stencil.enabled) |
| shader.unknown2_4 |= MALI_STENCIL_TEST; |
| |
| memcpy(&ctx->fragment_shader_core, &shader, sizeof(shader)); |
| } |
| |
| /* Generates a vertex/tiler job. This is, in some sense, the heart of the |
| * graphics command stream. It should be called once per draw, accordding to |
| * presentations. Set is_tiler for "tiler" jobs (fragment shader jobs, but in |
| * Mali parlance, "fragment" refers to framebuffer writeout). Clear it for |
| * vertex jobs. */ |
| |
| struct panfrost_transfer |
| panfrost_vertex_tiler_job(struct panfrost_context *ctx, bool is_tiler) |
| { |
| struct mali_job_descriptor_header job = { |
| .job_type = is_tiler ? JOB_TYPE_TILER : JOB_TYPE_VERTEX, |
| .job_descriptor_size = 1, |
| }; |
| |
| struct midgard_payload_vertex_tiler *payload = is_tiler ? &ctx->payloads[PIPE_SHADER_FRAGMENT] : &ctx->payloads[PIPE_SHADER_VERTEX]; |
| |
| struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, sizeof(job) + sizeof(*payload)); |
| memcpy(transfer.cpu, &job, sizeof(job)); |
| memcpy(transfer.cpu + sizeof(job), payload, sizeof(*payload)); |
| return transfer; |
| } |
| |
| static mali_ptr |
| panfrost_emit_varyings( |
| struct panfrost_context *ctx, |
| union mali_attr *slot, |
| unsigned stride, |
| unsigned count) |
| { |
| /* Fill out the descriptor */ |
| slot->stride = stride; |
| slot->size = stride * count; |
| slot->shift = slot->extra_flags = 0; |
| |
| struct panfrost_transfer transfer = |
| panfrost_allocate_transient(ctx, slot->size); |
| |
| slot->elements = transfer.gpu | MALI_ATTR_LINEAR; |
| |
| return transfer.gpu; |
| } |
| |
| static void |
| panfrost_emit_point_coord(union mali_attr *slot) |
| { |
| slot->elements = MALI_VARYING_POINT_COORD | MALI_ATTR_LINEAR; |
| slot->stride = slot->size = slot->shift = slot->extra_flags = 0; |
| } |
| |
| static void |
| panfrost_emit_front_face(union mali_attr *slot) |
| { |
| slot->elements = MALI_VARYING_FRONT_FACING | MALI_ATTR_INTERNAL; |
| } |
| |
| static void |
| panfrost_emit_varying_descriptor( |
| struct panfrost_context *ctx, |
| unsigned vertex_count) |
| { |
| /* Load the shaders */ |
| |
| struct panfrost_shader_state *vs = &ctx->shader[PIPE_SHADER_VERTEX]->variants[ctx->shader[PIPE_SHADER_VERTEX]->active_variant]; |
| struct panfrost_shader_state *fs = &ctx->shader[PIPE_SHADER_FRAGMENT]->variants[ctx->shader[PIPE_SHADER_FRAGMENT]->active_variant]; |
| unsigned int num_gen_varyings = 0; |
| |
| /* Allocate the varying descriptor */ |
| |
| size_t vs_size = sizeof(struct mali_attr_meta) * vs->tripipe->varying_count; |
| size_t fs_size = sizeof(struct mali_attr_meta) * fs->tripipe->varying_count; |
| |
| struct panfrost_transfer trans = panfrost_allocate_transient(ctx, |
| vs_size + fs_size); |
| |
| /* |
| * Assign ->src_offset now that we know about all the general purpose |
| * varyings that will be used by the fragment and vertex shaders. |
| */ |
| for (unsigned i = 0; i < vs->tripipe->varying_count; i++) { |
| /* |
| * General purpose varyings have ->index set to 0, skip other |
| * entries. |
| */ |
| if (vs->varyings[i].index) |
| continue; |
| |
| vs->varyings[i].src_offset = 16 * (num_gen_varyings++); |
| } |
| |
| for (unsigned i = 0; i < fs->tripipe->varying_count; i++) { |
| unsigned j; |
| |
| /* If we have a point sprite replacement, handle that here. We |
| * have to translate location first. TODO: Flip y in shader. |
| * We're already keying ... just time crunch .. */ |
| |
| unsigned loc = fs->varyings_loc[i]; |
| unsigned pnt_loc = |
| (loc >= VARYING_SLOT_VAR0) ? (loc - VARYING_SLOT_VAR0) : |
| (loc == VARYING_SLOT_PNTC) ? 8 : |
| ~0; |
| |
| if (~pnt_loc && fs->point_sprite_mask & (1 << pnt_loc)) { |
| /* gl_PointCoord index by convention */ |
| fs->varyings[i].index = 3; |
| fs->reads_point_coord = true; |
| |
| /* Swizzle out the z/w to 0/1 */ |
| fs->varyings[i].format = MALI_RG16F; |
| fs->varyings[i].swizzle = |
| panfrost_get_default_swizzle(2); |
| |
| continue; |
| } |
| |
| if (fs->varyings[i].index) |
| continue; |
| |
| /* |
| * Re-use the VS general purpose varying pos if it exists, |
| * create a new one otherwise. |
| */ |
| for (j = 0; j < vs->tripipe->varying_count; j++) { |
| if (fs->varyings_loc[i] == vs->varyings_loc[j]) |
| break; |
| } |
| |
| if (j < vs->tripipe->varying_count) |
| fs->varyings[i].src_offset = vs->varyings[j].src_offset; |
| else |
| fs->varyings[i].src_offset = 16 * (num_gen_varyings++); |
| } |
| |
| memcpy(trans.cpu, vs->varyings, vs_size); |
| memcpy(trans.cpu + vs_size, fs->varyings, fs_size); |
| |
| ctx->payloads[PIPE_SHADER_VERTEX].postfix.varying_meta = trans.gpu; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.varying_meta = trans.gpu + vs_size; |
| |
| /* Buffer indices must be in this order per our convention */ |
| union mali_attr varyings[PIPE_MAX_ATTRIBS]; |
| unsigned idx = 0; |
| |
| panfrost_emit_varyings(ctx, &varyings[idx++], num_gen_varyings * 16, |
| vertex_count); |
| |
| /* fp32 vec4 gl_Position */ |
| ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.position_varying = |
| panfrost_emit_varyings(ctx, &varyings[idx++], |
| sizeof(float) * 4, vertex_count); |
| |
| |
| if (vs->writes_point_size || fs->reads_point_coord) { |
| /* fp16 vec1 gl_PointSize */ |
| ctx->payloads[PIPE_SHADER_FRAGMENT].primitive_size.pointer = |
| panfrost_emit_varyings(ctx, &varyings[idx++], |
| 2, vertex_count); |
| } else if (fs->reads_face) { |
| /* Dummy to advance index */ |
| ++idx; |
| } |
| |
| if (fs->reads_point_coord) { |
| /* Special descriptor */ |
| panfrost_emit_point_coord(&varyings[idx++]); |
| } else if (fs->reads_face) { |
| ++idx; |
| } |
| |
| if (fs->reads_face) { |
| panfrost_emit_front_face(&varyings[idx++]); |
| } |
| |
| mali_ptr varyings_p = panfrost_upload_transient(ctx, &varyings, idx * sizeof(union mali_attr)); |
| ctx->payloads[PIPE_SHADER_VERTEX].postfix.varyings = varyings_p; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.varyings = varyings_p; |
| } |
| |
| mali_ptr |
| panfrost_vertex_buffer_address(struct panfrost_context *ctx, unsigned i) |
| { |
| struct pipe_vertex_buffer *buf = &ctx->vertex_buffers[i]; |
| struct panfrost_resource *rsrc = (struct panfrost_resource *) (buf->buffer.resource); |
| |
| return rsrc->bo->gpu + buf->buffer_offset; |
| } |
| |
| static bool |
| panfrost_writes_point_size(struct panfrost_context *ctx) |
| { |
| assert(ctx->shader[PIPE_SHADER_VERTEX]); |
| struct panfrost_shader_state *vs = &ctx->shader[PIPE_SHADER_VERTEX]->variants[ctx->shader[PIPE_SHADER_VERTEX]->active_variant]; |
| |
| return vs->writes_point_size && ctx->payloads[PIPE_SHADER_FRAGMENT].prefix.draw_mode == MALI_POINTS; |
| } |
| |
| /* Stage the attribute descriptors so we can adjust src_offset |
| * to let BOs align nicely */ |
| |
| static void |
| panfrost_stage_attributes(struct panfrost_context *ctx) |
| { |
| struct panfrost_vertex_state *so = ctx->vertex; |
| |
| size_t sz = sizeof(struct mali_attr_meta) * so->num_elements; |
| struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, sz); |
| struct mali_attr_meta *target = (struct mali_attr_meta *) transfer.cpu; |
| |
| /* Copy as-is for the first pass */ |
| memcpy(target, so->hw, sz); |
| |
| /* Fixup offsets for the second pass. Recall that the hardware |
| * calculates attribute addresses as: |
| * |
| * addr = base + (stride * vtx) + src_offset; |
| * |
| * However, on Mali, base must be aligned to 64-bytes, so we |
| * instead let: |
| * |
| * base' = base & ~63 = base - (base & 63) |
| * |
| * To compensate when using base' (see emit_vertex_data), we have |
| * to adjust src_offset by the masked off piece: |
| * |
| * addr' = base' + (stride * vtx) + (src_offset + (base & 63)) |
| * = base - (base & 63) + (stride * vtx) + src_offset + (base & 63) |
| * = base + (stride * vtx) + src_offset |
| * = addr; |
| * |
| * QED. |
| */ |
| |
| unsigned start = ctx->payloads[PIPE_SHADER_VERTEX].draw_start; |
| |
| for (unsigned i = 0; i < so->num_elements; ++i) { |
| unsigned vbi = so->pipe[i].vertex_buffer_index; |
| struct pipe_vertex_buffer *buf = &ctx->vertex_buffers[vbi]; |
| mali_ptr addr = panfrost_vertex_buffer_address(ctx, vbi); |
| |
| /* Adjust by the masked off bits of the offset */ |
| target[i].src_offset += (addr & 63); |
| |
| /* Also, somewhat obscurely per-instance data needs to be |
| * offset in response to a delayed start in an indexed draw */ |
| |
| if (so->pipe[i].instance_divisor && ctx->instance_count > 1 && start) { |
| target[i].src_offset -= buf->stride * start; |
| } |
| |
| |
| } |
| |
| ctx->payloads[PIPE_SHADER_VERTEX].postfix.attribute_meta = transfer.gpu; |
| } |
| |
| static void |
| panfrost_upload_sampler_descriptors(struct panfrost_context *ctx) |
| { |
| size_t desc_size = sizeof(struct mali_sampler_descriptor); |
| |
| for (int t = 0; t <= PIPE_SHADER_FRAGMENT; ++t) { |
| mali_ptr upload = 0; |
| |
| if (ctx->sampler_count[t] && ctx->sampler_view_count[t]) { |
| size_t transfer_size = desc_size * ctx->sampler_count[t]; |
| |
| struct panfrost_transfer transfer = |
| panfrost_allocate_transient(ctx, transfer_size); |
| |
| struct mali_sampler_descriptor *desc = |
| (struct mali_sampler_descriptor *) transfer.cpu; |
| |
| for (int i = 0; i < ctx->sampler_count[t]; ++i) |
| desc[i] = ctx->samplers[t][i]->hw; |
| |
| upload = transfer.gpu; |
| } |
| |
| ctx->payloads[t].postfix.sampler_descriptor = upload; |
| } |
| } |
| |
| static unsigned |
| panfrost_layout_for_texture(struct panfrost_resource *rsrc, bool manual_stride) |
| { |
| /* TODO: other linear depth textures */ |
| bool is_depth = rsrc->base.format == PIPE_FORMAT_Z32_UNORM; |
| |
| unsigned usage2_layout = 0x10; |
| |
| switch (rsrc->layout) { |
| case PAN_AFBC: |
| usage2_layout |= 0x8 | 0x4; |
| break; |
| case PAN_TILED: |
| usage2_layout |= 0x1; |
| break; |
| case PAN_LINEAR: |
| usage2_layout |= is_depth ? 0x1 : 0x2; |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| |
| if (manual_stride) |
| usage2_layout |= MALI_TEX_MANUAL_STRIDE; |
| |
| return usage2_layout; |
| } |
| |
| static mali_ptr |
| panfrost_upload_tex( |
| struct panfrost_context *ctx, |
| struct panfrost_sampler_view *view) |
| { |
| if (!view) |
| return (mali_ptr) 0; |
| |
| struct pipe_sampler_view *pview = &view->base; |
| struct panfrost_resource *rsrc = pan_resource(pview->texture); |
| |
| /* Do we interleave an explicit stride with every element? */ |
| |
| bool has_manual_stride = view->manual_stride; |
| |
| /* For easy access */ |
| |
| assert(pview->target != PIPE_BUFFER); |
| unsigned first_level = pview->u.tex.first_level; |
| unsigned last_level = pview->u.tex.last_level; |
| unsigned first_layer = pview->u.tex.first_layer; |
| unsigned last_layer = pview->u.tex.last_layer; |
| |
| /* Lower-bit is set when sampling from colour AFBC */ |
| bool is_afbc = rsrc->layout == PAN_AFBC; |
| bool is_zs = rsrc->base.bind & PIPE_BIND_DEPTH_STENCIL; |
| unsigned afbc_bit = (is_afbc && !is_zs) ? 1 : 0; |
| |
| /* Add the BO to the job so it's retained until the job is done. */ |
| struct panfrost_job *job = panfrost_get_job_for_fbo(ctx); |
| panfrost_job_add_bo(job, rsrc->bo); |
| |
| /* Add the usage flags in, since they can change across the CSO |
| * lifetime due to layout switches */ |
| |
| view->hw.format.usage2 = panfrost_layout_for_texture(rsrc, has_manual_stride); |
| |
| /* Inject the addresses in, interleaving mip levels, cube faces, and |
| * strides in that order */ |
| |
| unsigned idx = 0; |
| |
| for (unsigned l = first_level; l <= last_level; ++l) { |
| for (unsigned f = first_layer; f <= last_layer; ++f) { |
| |
| view->hw.payload[idx++] = |
| panfrost_get_texture_address(rsrc, l, f) + afbc_bit; |
| |
| if (has_manual_stride) { |
| view->hw.payload[idx++] = |
| rsrc->slices[l].stride; |
| } |
| } |
| } |
| |
| return panfrost_upload_transient(ctx, &view->hw, |
| sizeof(struct mali_texture_descriptor)); |
| } |
| |
| static void |
| panfrost_upload_texture_descriptors(struct panfrost_context *ctx) |
| { |
| for (int t = 0; t <= PIPE_SHADER_FRAGMENT; ++t) { |
| mali_ptr trampoline = 0; |
| |
| if (ctx->sampler_view_count[t]) { |
| uint64_t trampolines[PIPE_MAX_SHADER_SAMPLER_VIEWS]; |
| |
| for (int i = 0; i < ctx->sampler_view_count[t]; ++i) |
| trampolines[i] = |
| panfrost_upload_tex(ctx, ctx->sampler_views[t][i]); |
| |
| trampoline = panfrost_upload_transient(ctx, trampolines, sizeof(uint64_t) * ctx->sampler_view_count[t]); |
| } |
| |
| ctx->payloads[t].postfix.texture_trampoline = trampoline; |
| } |
| } |
| |
| struct sysval_uniform { |
| union { |
| float f[4]; |
| int32_t i[4]; |
| uint32_t u[4]; |
| }; |
| }; |
| |
| static void panfrost_upload_viewport_scale_sysval(struct panfrost_context *ctx, |
| struct sysval_uniform *uniform) |
| { |
| const struct pipe_viewport_state *vp = &ctx->pipe_viewport; |
| |
| uniform->f[0] = vp->scale[0]; |
| uniform->f[1] = vp->scale[1]; |
| uniform->f[2] = vp->scale[2]; |
| } |
| |
| static void panfrost_upload_viewport_offset_sysval(struct panfrost_context *ctx, |
| struct sysval_uniform *uniform) |
| { |
| const struct pipe_viewport_state *vp = &ctx->pipe_viewport; |
| |
| uniform->f[0] = vp->translate[0]; |
| uniform->f[1] = vp->translate[1]; |
| uniform->f[2] = vp->translate[2]; |
| } |
| |
| static void panfrost_upload_txs_sysval(struct panfrost_context *ctx, |
| enum pipe_shader_type st, |
| unsigned int sysvalid, |
| struct sysval_uniform *uniform) |
| { |
| unsigned texidx = PAN_SYSVAL_ID_TO_TXS_TEX_IDX(sysvalid); |
| unsigned dim = PAN_SYSVAL_ID_TO_TXS_DIM(sysvalid); |
| bool is_array = PAN_SYSVAL_ID_TO_TXS_IS_ARRAY(sysvalid); |
| struct pipe_sampler_view *tex = &ctx->sampler_views[st][texidx]->base; |
| |
| assert(dim); |
| uniform->i[0] = u_minify(tex->texture->width0, tex->u.tex.first_level); |
| |
| if (dim > 1) |
| uniform->i[1] = u_minify(tex->texture->height0, |
| tex->u.tex.first_level); |
| |
| if (dim > 2) |
| uniform->i[2] = u_minify(tex->texture->depth0, |
| tex->u.tex.first_level); |
| |
| if (is_array) |
| uniform->i[dim] = tex->texture->array_size; |
| } |
| |
| static void panfrost_upload_sysvals(struct panfrost_context *ctx, void *buf, |
| struct panfrost_shader_state *ss, |
| enum pipe_shader_type st) |
| { |
| struct sysval_uniform *uniforms = (void *)buf; |
| |
| for (unsigned i = 0; i < ss->sysval_count; ++i) { |
| int sysval = ss->sysval[i]; |
| |
| switch (PAN_SYSVAL_TYPE(sysval)) { |
| case PAN_SYSVAL_VIEWPORT_SCALE: |
| panfrost_upload_viewport_scale_sysval(ctx, &uniforms[i]); |
| break; |
| case PAN_SYSVAL_VIEWPORT_OFFSET: |
| panfrost_upload_viewport_offset_sysval(ctx, &uniforms[i]); |
| break; |
| case PAN_SYSVAL_TEXTURE_SIZE: |
| panfrost_upload_txs_sysval(ctx, st, PAN_SYSVAL_ID(sysval), |
| &uniforms[i]); |
| break; |
| default: |
| assert(0); |
| } |
| } |
| } |
| |
| static const void * |
| panfrost_map_constant_buffer_cpu(struct panfrost_constant_buffer *buf, unsigned index) |
| { |
| struct pipe_constant_buffer *cb = &buf->cb[index]; |
| struct panfrost_resource *rsrc = pan_resource(cb->buffer); |
| |
| if (rsrc) |
| return rsrc->bo->cpu; |
| else if (cb->user_buffer) |
| return cb->user_buffer; |
| else |
| unreachable("No constant buffer"); |
| } |
| |
| static mali_ptr |
| panfrost_map_constant_buffer_gpu( |
| struct panfrost_context *ctx, |
| struct panfrost_constant_buffer *buf, |
| unsigned index) |
| { |
| struct pipe_constant_buffer *cb = &buf->cb[index]; |
| struct panfrost_resource *rsrc = pan_resource(cb->buffer); |
| |
| if (rsrc) |
| return rsrc->bo->gpu; |
| else if (cb->user_buffer) |
| return panfrost_upload_transient(ctx, cb->user_buffer, cb->buffer_size); |
| else |
| unreachable("No constant buffer"); |
| } |
| |
| /* Compute number of UBOs active (more specifically, compute the highest UBO |
| * number addressable -- if there are gaps, include them in the count anyway). |
| * We always include UBO #0 in the count, since we *need* uniforms enabled for |
| * sysvals. */ |
| |
| static unsigned |
| panfrost_ubo_count(struct panfrost_context *ctx, enum pipe_shader_type stage) |
| { |
| unsigned mask = ctx->constant_buffer[stage].enabled_mask | 1; |
| return 32 - __builtin_clz(mask); |
| } |
| |
| /* Fixes up a shader state with current state, returning a GPU address to the |
| * patched shader */ |
| |
| static mali_ptr |
| panfrost_patch_shader_state( |
| struct panfrost_context *ctx, |
| struct panfrost_shader_state *ss, |
| enum pipe_shader_type stage, |
| bool should_upload) |
| { |
| ss->tripipe->texture_count = ctx->sampler_view_count[stage]; |
| ss->tripipe->sampler_count = ctx->sampler_count[stage]; |
| |
| ss->tripipe->midgard1.flags = 0x220; |
| |
| unsigned ubo_count = panfrost_ubo_count(ctx, stage); |
| ss->tripipe->midgard1.uniform_buffer_count = ubo_count; |
| |
| /* We can't reuse over frames; that's not safe. The descriptor must be |
| * transient uploaded */ |
| |
| if (should_upload) { |
| return panfrost_upload_transient(ctx, |
| ss->tripipe, |
| sizeof(struct mali_shader_meta)); |
| } |
| |
| /* If we don't need an upload, don't bother */ |
| return 0; |
| |
| } |
| |
| static void |
| panfrost_patch_shader_state_compute( |
| struct panfrost_context *ctx, |
| enum pipe_shader_type stage, |
| bool should_upload) |
| { |
| struct panfrost_shader_variants *all = ctx->shader[stage]; |
| |
| if (!all) { |
| ctx->payloads[stage].postfix._shader_upper = 0; |
| return; |
| } |
| |
| struct panfrost_shader_state *s = &all->variants[all->active_variant]; |
| |
| ctx->payloads[stage].postfix._shader_upper = |
| panfrost_patch_shader_state(ctx, s, stage, should_upload) >> 4; |
| } |
| |
| /* Go through dirty flags and actualise them in the cmdstream. */ |
| |
| void |
| panfrost_emit_for_draw(struct panfrost_context *ctx, bool with_vertex_data) |
| { |
| struct panfrost_job *job = panfrost_get_job_for_fbo(ctx); |
| struct panfrost_screen *screen = pan_screen(ctx->base.screen); |
| |
| panfrost_attach_vt_framebuffer(ctx, true); |
| |
| if (with_vertex_data) { |
| panfrost_emit_vertex_data(job); |
| |
| /* Varyings emitted for -all- geometry */ |
| unsigned total_count = ctx->padded_count * ctx->instance_count; |
| panfrost_emit_varying_descriptor(ctx, total_count); |
| } |
| |
| bool msaa = ctx->rasterizer->base.multisample; |
| |
| if (ctx->dirty & PAN_DIRTY_RASTERIZER) { |
| ctx->payloads[PIPE_SHADER_FRAGMENT].gl_enables = ctx->rasterizer->tiler_gl_enables; |
| |
| /* TODO: Sample size */ |
| SET_BIT(ctx->fragment_shader_core.unknown2_3, MALI_HAS_MSAA, msaa); |
| SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_NO_MSAA, !msaa); |
| } |
| |
| panfrost_job_set_requirements(ctx, job); |
| |
| if (ctx->occlusion_query) { |
| ctx->payloads[PIPE_SHADER_FRAGMENT].gl_enables |= MALI_OCCLUSION_QUERY | MALI_OCCLUSION_PRECISE; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.occlusion_counter = ctx->occlusion_query->transfer.gpu; |
| } |
| |
| panfrost_patch_shader_state_compute(ctx, PIPE_SHADER_VERTEX, true); |
| panfrost_patch_shader_state_compute(ctx, PIPE_SHADER_COMPUTE, true); |
| |
| if (ctx->dirty & (PAN_DIRTY_RASTERIZER | PAN_DIRTY_VS)) { |
| /* Check if we need to link the gl_PointSize varying */ |
| if (!panfrost_writes_point_size(ctx)) { |
| /* If the size is constant, write it out. Otherwise, |
| * don't touch primitive_size (since we would clobber |
| * the pointer there) */ |
| |
| ctx->payloads[PIPE_SHADER_FRAGMENT].primitive_size.constant = ctx->rasterizer->base.line_width; |
| } |
| } |
| |
| /* TODO: Maybe dirty track FS, maybe not. For now, it's transient. */ |
| if (ctx->shader[PIPE_SHADER_FRAGMENT]) |
| ctx->dirty |= PAN_DIRTY_FS; |
| |
| if (ctx->dirty & PAN_DIRTY_FS) { |
| assert(ctx->shader[PIPE_SHADER_FRAGMENT]); |
| struct panfrost_shader_state *variant = &ctx->shader[PIPE_SHADER_FRAGMENT]->variants[ctx->shader[PIPE_SHADER_FRAGMENT]->active_variant]; |
| |
| panfrost_patch_shader_state(ctx, variant, PIPE_SHADER_FRAGMENT, false); |
| |
| #define COPY(name) ctx->fragment_shader_core.name = variant->tripipe->name |
| |
| COPY(shader); |
| COPY(attribute_count); |
| COPY(varying_count); |
| COPY(texture_count); |
| COPY(sampler_count); |
| COPY(sampler_count); |
| COPY(midgard1.uniform_count); |
| COPY(midgard1.uniform_buffer_count); |
| COPY(midgard1.work_count); |
| COPY(midgard1.flags); |
| COPY(midgard1.unknown2); |
| |
| #undef COPY |
| |
| /* Get blending setup */ |
| struct panfrost_blend_final blend = |
| panfrost_get_blend_for_context(ctx, 0); |
| |
| /* If there is a blend shader, work registers are shared */ |
| |
| if (blend.is_shader) |
| ctx->fragment_shader_core.midgard1.work_count = /*MAX2(ctx->fragment_shader_core.midgard1.work_count, ctx->blend->blend_work_count)*/16; |
| |
| /* Set late due to depending on render state */ |
| unsigned flags = ctx->fragment_shader_core.midgard1.flags; |
| |
| /* Depending on whether it's legal to in the given shader, we |
| * try to enable early-z testing (or forward-pixel kill?) */ |
| |
| if (!variant->can_discard) |
| flags |= MALI_EARLY_Z; |
| |
| /* Any time texturing is used, derivatives are implicitly |
| * calculated, so we need to enable helper invocations */ |
| |
| if (variant->helper_invocations) |
| flags |= MALI_HELPER_INVOCATIONS; |
| |
| ctx->fragment_shader_core.midgard1.flags = flags; |
| |
| /* Assign the stencil refs late */ |
| |
| unsigned front_ref = ctx->stencil_ref.ref_value[0]; |
| unsigned back_ref = ctx->stencil_ref.ref_value[1]; |
| bool back_enab = ctx->depth_stencil->stencil[1].enabled; |
| |
| ctx->fragment_shader_core.stencil_front.ref = front_ref; |
| ctx->fragment_shader_core.stencil_back.ref = back_enab ? back_ref : front_ref; |
| |
| /* CAN_DISCARD should be set if the fragment shader possibly |
| * contains a 'discard' instruction. It is likely this is |
| * related to optimizations related to forward-pixel kill, as |
| * per "Mali Performance 3: Is EGL_BUFFER_PRESERVED a good |
| * thing?" by Peter Harris |
| */ |
| |
| if (variant->can_discard) { |
| ctx->fragment_shader_core.unknown2_3 |= MALI_CAN_DISCARD; |
| ctx->fragment_shader_core.midgard1.flags |= 0x400; |
| } |
| |
| /* Check if we're using the default blend descriptor (fast path) */ |
| |
| bool no_blending = |
| !blend.is_shader && |
| (blend.equation.equation->rgb_mode == 0x122) && |
| (blend.equation.equation->alpha_mode == 0x122) && |
| (blend.equation.equation->color_mask == 0xf); |
| |
| /* Even on MFBD, the shader descriptor gets blend shaders. It's |
| * *also* copied to the blend_meta appended (by convention), |
| * but this is the field actually read by the hardware. (Or |
| * maybe both are read...?) */ |
| |
| if (blend.is_shader) { |
| ctx->fragment_shader_core.blend.shader = |
| blend.shader.gpu; |
| } else { |
| ctx->fragment_shader_core.blend.shader = 0; |
| } |
| |
| if (screen->require_sfbd) { |
| /* When only a single render target platform is used, the blend |
| * information is inside the shader meta itself. We |
| * additionally need to signal CAN_DISCARD for nontrivial blend |
| * modes (so we're able to read back the destination buffer) */ |
| |
| if (!blend.is_shader) { |
| ctx->fragment_shader_core.blend.equation = |
| *blend.equation.equation; |
| ctx->fragment_shader_core.blend.constant = |
| blend.equation.constant; |
| } |
| |
| if (!no_blending) { |
| ctx->fragment_shader_core.unknown2_3 |= MALI_CAN_DISCARD; |
| } |
| } |
| |
| size_t size = sizeof(struct mali_shader_meta) + sizeof(struct midgard_blend_rt); |
| struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, size); |
| memcpy(transfer.cpu, &ctx->fragment_shader_core, sizeof(struct mali_shader_meta)); |
| |
| ctx->payloads[PIPE_SHADER_FRAGMENT].postfix._shader_upper = (transfer.gpu) >> 4; |
| |
| if (!screen->require_sfbd) { |
| /* Additional blend descriptor tacked on for jobs using MFBD */ |
| |
| unsigned blend_count = 0x200; |
| |
| if (blend.is_shader) { |
| /* For a blend shader, the bottom nibble corresponds to |
| * the number of work registers used, which signals the |
| * -existence- of a blend shader */ |
| |
| assert(blend.shader.work_count >= 2); |
| blend_count |= MIN2(blend.shader.work_count, 3); |
| } else { |
| /* Otherwise, the bottom bit simply specifies if |
| * blending (anything other than REPLACE) is enabled */ |
| |
| |
| if (!no_blending) |
| blend_count |= 0x1; |
| } |
| |
| struct midgard_blend_rt rts[4]; |
| |
| for (unsigned i = 0; i < ctx->pipe_framebuffer.nr_cbufs; ++i) { |
| bool is_srgb = |
| (ctx->pipe_framebuffer.nr_cbufs > i) && |
| (ctx->pipe_framebuffer.cbufs[i]) && |
| util_format_is_srgb(ctx->pipe_framebuffer.cbufs[i]->format); |
| |
| rts[i].flags = blend_count; |
| |
| if (is_srgb) |
| rts[i].flags |= MALI_BLEND_SRGB; |
| |
| if (!ctx->blend->base.dither) |
| rts[i].flags |= MALI_BLEND_NO_DITHER; |
| |
| /* TODO: sRGB in blend shaders is currently |
| * unimplemented. Contact me (Alyssa) if you're |
| * interested in working on this. We have |
| * native Midgard ops for helping here, but |
| * they're not well-understood yet. */ |
| |
| assert(!(is_srgb && blend.is_shader)); |
| |
| if (blend.is_shader) { |
| rts[i].blend.shader = blend.shader.gpu; |
| } else { |
| rts[i].blend.equation = *blend.equation.equation; |
| rts[i].blend.constant = blend.equation.constant; |
| } |
| } |
| |
| memcpy(transfer.cpu + sizeof(struct mali_shader_meta), rts, sizeof(rts[0]) * 1); |
| } |
| } |
| |
| /* We stage to transient, so always dirty.. */ |
| panfrost_stage_attributes(ctx); |
| |
| if (ctx->dirty & PAN_DIRTY_SAMPLERS) |
| panfrost_upload_sampler_descriptors(ctx); |
| |
| if (ctx->dirty & PAN_DIRTY_TEXTURES) |
| panfrost_upload_texture_descriptors(ctx); |
| |
| const struct pipe_viewport_state *vp = &ctx->pipe_viewport; |
| |
| for (int i = 0; i <= PIPE_SHADER_FRAGMENT; ++i) { |
| struct panfrost_constant_buffer *buf = &ctx->constant_buffer[i]; |
| |
| struct panfrost_shader_state *vs = &ctx->shader[PIPE_SHADER_VERTEX]->variants[ctx->shader[PIPE_SHADER_VERTEX]->active_variant]; |
| struct panfrost_shader_state *fs = &ctx->shader[PIPE_SHADER_FRAGMENT]->variants[ctx->shader[PIPE_SHADER_FRAGMENT]->active_variant]; |
| struct panfrost_shader_state *ss = (i == PIPE_SHADER_FRAGMENT) ? fs : vs; |
| |
| /* Uniforms are implicitly UBO #0 */ |
| bool has_uniforms = buf->enabled_mask & (1 << 0); |
| |
| /* Allocate room for the sysval and the uniforms */ |
| size_t sys_size = sizeof(float) * 4 * ss->sysval_count; |
| size_t uniform_size = has_uniforms ? (buf->cb[0].buffer_size) : 0; |
| size_t size = sys_size + uniform_size; |
| struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, size); |
| |
| /* Upload sysvals requested by the shader */ |
| panfrost_upload_sysvals(ctx, transfer.cpu, ss, i); |
| |
| /* Upload uniforms */ |
| if (has_uniforms) { |
| const void *cpu = panfrost_map_constant_buffer_cpu(buf, 0); |
| memcpy(transfer.cpu + sys_size, cpu, uniform_size); |
| } |
| |
| int uniform_count = |
| ctx->shader[i]->variants[ctx->shader[i]->active_variant].uniform_count; |
| |
| struct mali_vertex_tiler_postfix *postfix = |
| &ctx->payloads[i].postfix; |
| |
| /* Next up, attach UBOs. UBO #0 is the uniforms we just |
| * uploaded */ |
| |
| unsigned ubo_count = panfrost_ubo_count(ctx, i); |
| assert(ubo_count >= 1); |
| |
| size_t sz = sizeof(struct mali_uniform_buffer_meta) * ubo_count; |
| struct mali_uniform_buffer_meta ubos[PAN_MAX_CONST_BUFFERS]; |
| |
| /* Upload uniforms as a UBO */ |
| ubos[0].size = MALI_POSITIVE((2 + uniform_count)); |
| ubos[0].ptr = transfer.gpu >> 2; |
| |
| /* The rest are honest-to-goodness UBOs */ |
| |
| for (unsigned ubo = 1; ubo < ubo_count; ++ubo) { |
| size_t sz = buf->cb[ubo].buffer_size; |
| |
| bool enabled = buf->enabled_mask & (1 << ubo); |
| bool empty = sz == 0; |
| |
| if (!enabled || empty) { |
| /* Stub out disabled UBOs to catch accesses */ |
| |
| ubos[ubo].size = 0; |
| ubos[ubo].ptr = 0xDEAD0000; |
| continue; |
| } |
| |
| mali_ptr gpu = panfrost_map_constant_buffer_gpu(ctx, buf, ubo); |
| |
| unsigned bytes_per_field = 16; |
| unsigned aligned = ALIGN_POT(sz, bytes_per_field); |
| unsigned fields = aligned / bytes_per_field; |
| |
| ubos[ubo].size = MALI_POSITIVE(fields); |
| ubos[ubo].ptr = gpu >> 2; |
| } |
| |
| mali_ptr ubufs = panfrost_upload_transient(ctx, ubos, sz); |
| postfix->uniforms = transfer.gpu; |
| postfix->uniform_buffers = ubufs; |
| |
| buf->dirty_mask = 0; |
| } |
| |
| /* TODO: Upload the viewport somewhere more appropriate */ |
| |
| /* Clip bounds are encoded as floats. The viewport itself is encoded as |
| * (somewhat) asymmetric ints. */ |
| const struct pipe_scissor_state *ss = &ctx->scissor; |
| |
| struct mali_viewport view = { |
| /* By default, do no viewport clipping, i.e. clip to (-inf, |
| * inf) in each direction. Clipping to the viewport in theory |
| * should work, but in practice causes issues when we're not |
| * explicitly trying to scissor */ |
| |
| .clip_minx = -INFINITY, |
| .clip_miny = -INFINITY, |
| .clip_maxx = INFINITY, |
| .clip_maxy = INFINITY, |
| |
| .clip_minz = 0.0, |
| .clip_maxz = 1.0, |
| }; |
| |
| /* Always scissor to the viewport by default. */ |
| float vp_minx = (int) (vp->translate[0] - fabsf(vp->scale[0])); |
| float vp_maxx = (int) (vp->translate[0] + fabsf(vp->scale[0])); |
| |
| float vp_miny = (int) (vp->translate[1] - fabsf(vp->scale[1])); |
| float vp_maxy = (int) (vp->translate[1] + fabsf(vp->scale[1])); |
| |
| /* Apply the scissor test */ |
| |
| unsigned minx, miny, maxx, maxy; |
| |
| if (ss && ctx->rasterizer && ctx->rasterizer->base.scissor) { |
| minx = MAX2(ss->minx, vp_minx); |
| miny = MAX2(ss->miny, vp_miny); |
| maxx = MIN2(ss->maxx, vp_maxx); |
| maxy = MIN2(ss->maxy, vp_maxy); |
| } else { |
| minx = vp_minx; |
| miny = vp_miny; |
| maxx = vp_maxx; |
| maxy = vp_maxy; |
| } |
| |
| /* Hardware needs the min/max to be strictly ordered, so flip if we |
| * need to. The viewport transformation in the vertex shader will |
| * handle the negatives if we don't */ |
| |
| if (miny > maxy) { |
| int temp = miny; |
| miny = maxy; |
| maxy = temp; |
| } |
| |
| if (minx > maxx) { |
| int temp = minx; |
| minx = maxx; |
| maxx = temp; |
| } |
| |
| /* Clamp everything positive, just in case */ |
| |
| maxx = MAX2(0, maxx); |
| maxy = MAX2(0, maxy); |
| minx = MAX2(0, minx); |
| miny = MAX2(0, miny); |
| |
| /* Clamp to the framebuffer size as a last check */ |
| |
| minx = MIN2(ctx->pipe_framebuffer.width, minx); |
| maxx = MIN2(ctx->pipe_framebuffer.width, maxx); |
| |
| miny = MIN2(ctx->pipe_framebuffer.height, miny); |
| maxy = MIN2(ctx->pipe_framebuffer.height, maxy); |
| |
| /* Update the job, unless we're doing wallpapering (whose lack of |
| * scissor we can ignore, since if we "miss" a tile of wallpaper, it'll |
| * just... be faster :) */ |
| |
| if (!ctx->wallpaper_batch) |
| panfrost_job_union_scissor(job, minx, miny, maxx, maxy); |
| |
| /* Upload */ |
| |
| view.viewport0[0] = minx; |
| view.viewport1[0] = MALI_POSITIVE(maxx); |
| |
| view.viewport0[1] = miny; |
| view.viewport1[1] = MALI_POSITIVE(maxy); |
| |
| ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.viewport = |
| panfrost_upload_transient(ctx, |
| &view, |
| sizeof(struct mali_viewport)); |
| |
| ctx->dirty = 0; |
| } |
| |
| /* Corresponds to exactly one draw, but does not submit anything */ |
| |
| static void |
| panfrost_queue_draw(struct panfrost_context *ctx) |
| { |
| /* Handle dirty flags now */ |
| panfrost_emit_for_draw(ctx, true); |
| |
| /* If rasterizer discard is enable, only submit the vertex */ |
| |
| bool rasterizer_discard = ctx->rasterizer |
| && ctx->rasterizer->base.rasterizer_discard; |
| |
| struct panfrost_transfer vertex = panfrost_vertex_tiler_job(ctx, false); |
| struct panfrost_transfer tiler; |
| |
| if (!rasterizer_discard) |
| tiler = panfrost_vertex_tiler_job(ctx, true); |
| |
| struct panfrost_job *batch = panfrost_get_job_for_fbo(ctx); |
| |
| if (rasterizer_discard) |
| panfrost_scoreboard_queue_vertex_job(batch, vertex, FALSE); |
| else if (ctx->wallpaper_batch) |
| panfrost_scoreboard_queue_fused_job_prepend(batch, vertex, tiler); |
| else |
| panfrost_scoreboard_queue_fused_job(batch, vertex, tiler); |
| } |
| |
| /* The entire frame is in memory -- send it off to the kernel! */ |
| |
| static void |
| panfrost_submit_frame(struct panfrost_context *ctx, bool flush_immediate, |
| struct pipe_fence_handle **fence, |
| struct panfrost_job *job) |
| { |
| struct pipe_context *gallium = (struct pipe_context *) ctx; |
| struct panfrost_screen *screen = pan_screen(gallium->screen); |
| |
| #ifndef DRY_RUN |
| |
| panfrost_job_submit(ctx, job); |
| |
| /* If visual, we can stall a frame */ |
| |
| if (!flush_immediate) |
| panfrost_drm_force_flush_fragment(ctx, fence); |
| |
| screen->last_fragment_flushed = false; |
| screen->last_job = job; |
| |
| /* If readback, flush now (hurts the pipelined performance) */ |
| if (flush_immediate) |
| panfrost_drm_force_flush_fragment(ctx, fence); |
| #endif |
| } |
| |
| static void |
| panfrost_draw_wallpaper(struct pipe_context *pipe) |
| { |
| struct panfrost_context *ctx = pan_context(pipe); |
| |
| /* Nothing to reload? TODO: MRT wallpapers */ |
| if (ctx->pipe_framebuffer.cbufs[0] == NULL) |
| return; |
| |
| /* Check if the buffer has any content on it worth preserving */ |
| |
| struct pipe_surface *surf = ctx->pipe_framebuffer.cbufs[0]; |
| struct panfrost_resource *rsrc = pan_resource(surf->texture); |
| unsigned level = surf->u.tex.level; |
| |
| if (!rsrc->slices[level].initialized) |
| return; |
| |
| /* Save the batch */ |
| struct panfrost_job *batch = panfrost_get_job_for_fbo(ctx); |
| |
| ctx->wallpaper_batch = batch; |
| panfrost_blit_wallpaper(ctx); |
| ctx->wallpaper_batch = NULL; |
| } |
| |
| void |
| panfrost_flush( |
| struct pipe_context *pipe, |
| struct pipe_fence_handle **fence, |
| unsigned flags) |
| { |
| struct panfrost_context *ctx = pan_context(pipe); |
| struct panfrost_job *job = panfrost_get_job_for_fbo(ctx); |
| |
| /* Nothing to do! */ |
| if (!job->last_job.gpu && !job->clear) return; |
| |
| if (!job->clear && job->last_tiler.gpu) |
| panfrost_draw_wallpaper(&ctx->base); |
| |
| /* Whether to stall the pipeline for immediately correct results. Since |
| * pipelined rendering is quite broken right now (to be fixed by the |
| * panfrost_job refactor, just take the perf hit for correctness) */ |
| bool flush_immediate = /*flags & PIPE_FLUSH_END_OF_FRAME*/true; |
| |
| /* Submit the frame itself */ |
| panfrost_submit_frame(ctx, flush_immediate, fence, job); |
| |
| /* Prepare for the next frame */ |
| panfrost_invalidate_frame(ctx); |
| } |
| |
| #define DEFINE_CASE(c) case PIPE_PRIM_##c: return MALI_##c; |
| |
| static int |
| g2m_draw_mode(enum pipe_prim_type mode) |
| { |
| switch (mode) { |
| DEFINE_CASE(POINTS); |
| DEFINE_CASE(LINES); |
| DEFINE_CASE(LINE_LOOP); |
| DEFINE_CASE(LINE_STRIP); |
| DEFINE_CASE(TRIANGLES); |
| DEFINE_CASE(TRIANGLE_STRIP); |
| DEFINE_CASE(TRIANGLE_FAN); |
| DEFINE_CASE(QUADS); |
| DEFINE_CASE(QUAD_STRIP); |
| DEFINE_CASE(POLYGON); |
| |
| default: |
| unreachable("Invalid draw mode"); |
| } |
| } |
| |
| #undef DEFINE_CASE |
| |
| static unsigned |
| panfrost_translate_index_size(unsigned size) |
| { |
| switch (size) { |
| case 1: |
| return MALI_DRAW_INDEXED_UINT8; |
| |
| case 2: |
| return MALI_DRAW_INDEXED_UINT16; |
| |
| case 4: |
| return MALI_DRAW_INDEXED_UINT32; |
| |
| default: |
| unreachable("Invalid index size"); |
| } |
| } |
| |
| /* Gets a GPU address for the associated index buffer. Only gauranteed to be |
| * good for the duration of the draw (transient), could last longer */ |
| |
| static mali_ptr |
| panfrost_get_index_buffer_mapped(struct panfrost_context *ctx, const struct pipe_draw_info *info) |
| { |
| struct panfrost_resource *rsrc = (struct panfrost_resource *) (info->index.resource); |
| |
| off_t offset = info->start * info->index_size; |
| struct panfrost_job *batch = panfrost_get_job_for_fbo(ctx); |
| |
| if (!info->has_user_indices) { |
| /* Only resources can be directly mapped */ |
| panfrost_job_add_bo(batch, rsrc->bo); |
| return rsrc->bo->gpu + offset; |
| } else { |
| /* Otherwise, we need to upload to transient memory */ |
| const uint8_t *ibuf8 = (const uint8_t *) info->index.user; |
| return panfrost_upload_transient(ctx, ibuf8 + offset, info->count * info->index_size); |
| } |
| } |
| |
| static bool |
| panfrost_scissor_culls_everything(struct panfrost_context *ctx) |
| { |
| const struct pipe_scissor_state *ss = &ctx->scissor; |
| |
| /* Check if we're scissoring at all */ |
| |
| if (!(ctx->rasterizer && ctx->rasterizer->base.scissor)) |
| return false; |
| |
| return (ss->minx == ss->maxx) || (ss->miny == ss->maxy); |
| } |
| |
| static void |
| panfrost_draw_vbo( |
| struct pipe_context *pipe, |
| const struct pipe_draw_info *info) |
| { |
| struct panfrost_context *ctx = pan_context(pipe); |
| |
| /* First of all, check the scissor to see if anything is drawn at all. |
| * If it's not, we drop the draw (mostly a conformance issue; |
| * well-behaved apps shouldn't hit this) */ |
| |
| if (panfrost_scissor_culls_everything(ctx)) |
| return; |
| |
| ctx->payloads[PIPE_SHADER_VERTEX].draw_start = info->start; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].draw_start = info->start; |
| |
| int mode = info->mode; |
| |
| /* Fallback unsupported restart index */ |
| unsigned primitive_index = (1 << (info->index_size * 8)) - 1; |
| |
| if (info->primitive_restart && info->index_size |
| && info->restart_index != primitive_index) { |
| util_draw_vbo_without_prim_restart(pipe, info); |
| return; |
| } |
| |
| /* Fallback for unsupported modes */ |
| |
| if (!(ctx->draw_modes & (1 << mode))) { |
| if (mode == PIPE_PRIM_QUADS && info->count == 4 && ctx->rasterizer && !ctx->rasterizer->base.flatshade) { |
| mode = PIPE_PRIM_TRIANGLE_FAN; |
| } else { |
| if (info->count < 4) { |
| /* Degenerate case? */ |
| return; |
| } |
| |
| util_primconvert_save_rasterizer_state(ctx->primconvert, &ctx->rasterizer->base); |
| util_primconvert_draw_vbo(ctx->primconvert, info); |
| return; |
| } |
| } |
| |
| /* Now that we have a guaranteed terminating path, find the job. |
| * Assignment commented out to prevent unused warning */ |
| |
| /* struct panfrost_job *job = */ panfrost_get_job_for_fbo(ctx); |
| |
| ctx->payloads[PIPE_SHADER_FRAGMENT].prefix.draw_mode = g2m_draw_mode(mode); |
| |
| ctx->vertex_count = info->count; |
| ctx->instance_count = info->instance_count; |
| |
| /* For non-indexed draws, they're the same */ |
| unsigned vertex_count = ctx->vertex_count; |
| |
| unsigned draw_flags = 0; |
| |
| /* The draw flags interpret how primitive size is interpreted */ |
| |
| if (panfrost_writes_point_size(ctx)) |
| draw_flags |= MALI_DRAW_VARYING_SIZE; |
| |
| if (info->primitive_restart) |
| draw_flags |= MALI_DRAW_PRIMITIVE_RESTART_FIXED_INDEX; |
| |
| /* For higher amounts of vertices (greater than what fits in a 16-bit |
| * short), the other value is needed, otherwise there will be bizarre |
| * rendering artefacts. It's not clear what these values mean yet. This |
| * change is also needed for instancing and sometimes points (perhaps |
| * related to dynamically setting gl_PointSize) */ |
| |
| bool is_points = mode == PIPE_PRIM_POINTS; |
| bool many_verts = ctx->vertex_count > 0xFFFF; |
| bool instanced = ctx->instance_count > 1; |
| |
| draw_flags |= (is_points || many_verts || instanced) ? 0x3000 : 0x18000; |
| |
| /* This doesn't make much sense */ |
| if (mode == PIPE_PRIM_LINE_STRIP) { |
| draw_flags |= 0x800; |
| } |
| |
| if (info->index_size) { |
| /* Calculate the min/max index used so we can figure out how |
| * many times to invoke the vertex shader */ |
| |
| /* Fetch / calculate index bounds */ |
| unsigned min_index = 0, max_index = 0; |
| |
| if (info->max_index == ~0u) { |
| u_vbuf_get_minmax_index(pipe, info, &min_index, &max_index); |
| } else { |
| min_index = info->min_index; |
| max_index = info->max_index; |
| } |
| |
| /* Use the corresponding values */ |
| vertex_count = max_index - min_index + 1; |
| ctx->payloads[PIPE_SHADER_VERTEX].draw_start = min_index; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].draw_start = min_index; |
| |
| ctx->payloads[PIPE_SHADER_FRAGMENT].prefix.negative_start = -min_index; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].prefix.index_count = MALI_POSITIVE(info->count); |
| |
| //assert(!info->restart_index); /* TODO: Research */ |
| assert(!info->index_bias); |
| |
| draw_flags |= panfrost_translate_index_size(info->index_size); |
| ctx->payloads[PIPE_SHADER_FRAGMENT].prefix.indices = panfrost_get_index_buffer_mapped(ctx, info); |
| } else { |
| /* Index count == vertex count, if no indexing is applied, as |
| * if it is internally indexed in the expected order */ |
| |
| ctx->payloads[PIPE_SHADER_FRAGMENT].prefix.negative_start = 0; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].prefix.index_count = MALI_POSITIVE(ctx->vertex_count); |
| |
| /* Reverse index state */ |
| ctx->payloads[PIPE_SHADER_FRAGMENT].prefix.indices = (u64) NULL; |
| } |
| |
| /* Dispatch "compute jobs" for the vertex/tiler pair as (1, |
| * vertex_count, 1) */ |
| |
| panfrost_pack_work_groups_fused( |
| &ctx->payloads[PIPE_SHADER_VERTEX].prefix, |
| &ctx->payloads[PIPE_SHADER_FRAGMENT].prefix, |
| 1, vertex_count, info->instance_count, |
| 1, 1, 1); |
| |
| ctx->payloads[PIPE_SHADER_FRAGMENT].prefix.unknown_draw = draw_flags; |
| |
| /* Encode the padded vertex count */ |
| |
| if (info->instance_count > 1) { |
| /* Triangles have non-even vertex counts so they change how |
| * padding works internally */ |
| |
| bool is_triangle = |
| mode == PIPE_PRIM_TRIANGLES || |
| mode == PIPE_PRIM_TRIANGLE_STRIP || |
| mode == PIPE_PRIM_TRIANGLE_FAN; |
| |
| struct pan_shift_odd so = |
| panfrost_padded_vertex_count(vertex_count, !is_triangle); |
| |
| ctx->payloads[PIPE_SHADER_VERTEX].instance_shift = so.shift; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].instance_shift = so.shift; |
| |
| ctx->payloads[PIPE_SHADER_VERTEX].instance_odd = so.odd; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].instance_odd = so.odd; |
| |
| ctx->padded_count = pan_expand_shift_odd(so); |
| } else { |
| ctx->padded_count = ctx->vertex_count; |
| |
| /* Reset instancing state */ |
| ctx->payloads[PIPE_SHADER_VERTEX].instance_shift = 0; |
| ctx->payloads[PIPE_SHADER_VERTEX].instance_odd = 0; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].instance_shift = 0; |
| ctx->payloads[PIPE_SHADER_FRAGMENT].instance_odd = 0; |
| } |
| |
| /* Fire off the draw itself */ |
| panfrost_queue_draw(ctx); |
| } |
| |
| /* CSO state */ |
| |
| static void |
| panfrost_generic_cso_delete(struct pipe_context *pctx, void *hwcso) |
| { |
| free(hwcso); |
| } |
| |
| static void * |
| panfrost_create_rasterizer_state( |
| struct pipe_context *pctx, |
| const struct pipe_rasterizer_state *cso) |
| { |
| struct panfrost_rasterizer *so = CALLOC_STRUCT(panfrost_rasterizer); |
| |
| so->base = *cso; |
| |
| /* Bitmask, unknown meaning of the start value. 0x105 on 32-bit T6XX */ |
| so->tiler_gl_enables = 0x7; |
| |
| if (cso->front_ccw) |
| so->tiler_gl_enables |= MALI_FRONT_CCW_TOP; |
| |
| if (cso->cull_face & PIPE_FACE_FRONT) |
| so->tiler_gl_enables |= MALI_CULL_FACE_FRONT; |
| |
| if (cso->cull_face & PIPE_FACE_BACK) |
| so->tiler_gl_enables |= MALI_CULL_FACE_BACK; |
| |
| return so; |
| } |
| |
| static void |
| panfrost_bind_rasterizer_state( |
| struct pipe_context *pctx, |
| void *hwcso) |
| { |
| struct panfrost_context *ctx = pan_context(pctx); |
| |
| /* TODO: Why can't rasterizer be NULL ever? Other drivers are fine.. */ |
| if (!hwcso) |
| return; |
| |
| ctx->rasterizer = hwcso; |
| ctx->dirty |= PAN_DIRTY_RASTERIZER; |
| |
| ctx->fragment_shader_core.depth_units = ctx->rasterizer->base.offset_units; |
| ctx->fragment_shader_core.depth_factor = ctx->rasterizer->base.offset_scale; |
| |
| /* Gauranteed with the core GL call, so don't expose ARB_polygon_offset */ |
| assert(ctx->rasterizer->base.offset_clamp == 0.0); |
| |
| /* XXX: Which bit is which? Does this maybe allow offseting not-tri? */ |
| |
| SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_DEPTH_RANGE_A, ctx->rasterizer->base.offset_tri); |
| SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_DEPTH_RANGE_B, ctx->rasterizer->base.offset_tri); |
| |
| /* Point sprites are emulated */ |
| |
| struct panfrost_shader_state *variant = |
| ctx->shader[PIPE_SHADER_FRAGMENT] ? &ctx->shader[PIPE_SHADER_FRAGMENT]->variants[ctx->shader[PIPE_SHADER_FRAGMENT]->active_variant] : NULL; |
| |
| if (ctx->rasterizer->base.sprite_coord_enable || (variant && variant->point_sprite_mask)) |
| ctx->base.bind_fs_state(&ctx->base, ctx->shader[PIPE_SHADER_FRAGMENT]); |
| } |
| |
| static void * |
| panfrost_create_vertex_elements_state( |
| struct pipe_context *pctx, |
| unsigned num_elements, |
| const struct pipe_vertex_element *elements) |
| { |
| struct panfrost_vertex_state *so = CALLOC_STRUCT(panfrost_vertex_state); |
| |
| so->num_elements = num_elements; |
| memcpy(so->pipe, elements, sizeof(*elements) * num_elements); |
| |
| for (int i = 0; i < num_elements; ++i) { |
| so->hw[i].index = i; |
| |
| enum pipe_format fmt = elements[i].src_format; |
| const struct util_format_description *desc = util_format_description(fmt); |
| so->hw[i].unknown1 = 0x2; |
| so->hw[i].swizzle = panfrost_get_default_swizzle(desc->nr_channels); |
| |
| so->hw[i].format = panfrost_find_format(desc); |
| |
| /* The field itself should probably be shifted over */ |
| so->hw[i].src_offset = elements[i].src_offset; |
| } |
| |
| return so; |
| } |
| |
| static void |
| panfrost_bind_vertex_elements_state( |
| struct pipe_context *pctx, |
| void *hwcso) |
| { |
| struct panfrost_context *ctx = pan_context(pctx); |
| |
| ctx->vertex = hwcso; |
| ctx->dirty |= PAN_DIRTY_VERTEX; |
| } |
| |
| static void * |
| panfrost_create_shader_state( |
| struct pipe_context *pctx, |
| const struct pipe_shader_state *cso) |
| { |
| struct panfrost_shader_variants *so = CALLOC_STRUCT(panfrost_shader_variants); |
| so->base = *cso; |
| |
| /* Token deep copy to prevent memory corruption */ |
| |
| if (cso->type == PIPE_SHADER_IR_TGSI) |
| so->base.tokens = tgsi_dup_tokens(so->base.tokens); |
| |
| return so; |
| } |
| |
| static void |
| panfrost_delete_shader_state( |
| struct pipe_context *pctx, |
| void *so) |
| { |
| struct panfrost_shader_variants *cso = (struct panfrost_shader_variants *) so; |
| |
| if (cso->base.type == PIPE_SHADER_IR_TGSI) { |
| DBG("Deleting TGSI shader leaks duplicated tokens\n"); |
| } |
| |
| free(so); |
| } |
| |
| static void * |
| panfrost_create_sampler_state( |
| struct pipe_context *pctx, |
| const struct pipe_sampler_state *cso) |
| { |
| struct panfrost_sampler_state *so = CALLOC_STRUCT(panfrost_sampler_state); |
| so->base = *cso; |
| |
| /* sampler_state corresponds to mali_sampler_descriptor, which we can generate entirely here */ |
| |
| bool min_nearest = cso->min_img_filter == PIPE_TEX_FILTER_NEAREST; |
| bool mag_nearest = cso->mag_img_filter == PIPE_TEX_FILTER_NEAREST; |
| bool mip_linear = cso->min_mip_filter == PIPE_TEX_MIPFILTER_LINEAR; |
| |
| unsigned min_filter = min_nearest ? MALI_SAMP_MIN_NEAREST : 0; |
| unsigned mag_filter = mag_nearest ? MALI_SAMP_MAG_NEAREST : 0; |
| unsigned mip_filter = mip_linear ? |
| (MALI_SAMP_MIP_LINEAR_1 | MALI_SAMP_MIP_LINEAR_2) : 0; |
| unsigned normalized = cso->normalized_coords ? MALI_SAMP_NORM_COORDS : 0; |
| |
| struct mali_sampler_descriptor sampler_descriptor = { |
| .filter_mode = min_filter | mag_filter | mip_filter | normalized, |
| .wrap_s = translate_tex_wrap(cso->wrap_s), |
| .wrap_t = translate_tex_wrap(cso->wrap_t), |
| .wrap_r = translate_tex_wrap(cso->wrap_r), |
| .compare_func = panfrost_translate_alt_compare_func(cso->compare_func), |
| .border_color = { |
| cso->border_color.f[0], |
| cso->border_color.f[1], |
| cso->border_color.f[2], |
| cso->border_color.f[3] |
| }, |
| .min_lod = FIXED_16(cso->min_lod), |
| .max_lod = FIXED_16(cso->max_lod), |
| .seamless_cube_map = cso->seamless_cube_map, |
| }; |
| |
| /* If necessary, we disable mipmapping in the sampler descriptor by |
| * clamping the LOD as tight as possible (from 0 to epsilon, |
| * essentially -- remember these are fixed point numbers, so |
| * epsilon=1/256) */ |
| |
| if (cso->min_mip_filter == PIPE_TEX_MIPFILTER_NONE) |
| sampler_descriptor.max_lod = sampler_descriptor.min_lod; |
| |
| /* Enforce that there is something in the middle by adding epsilon*/ |
| |
| if (sampler_descriptor.min_lod == sampler_descriptor.max_lod) |
| sampler_descriptor.max_lod++; |
| |
| /* Sanity check */ |
| assert(sampler_descriptor.max_lod > sampler_descriptor.min_lod); |
| |
| so->hw = sampler_descriptor; |
| |
| return so; |
| } |
| |
| static void |
| panfrost_bind_sampler_states( |
| struct pipe_context *pctx, |
| enum pipe_shader_type shader, |
| unsigned start_slot, unsigned num_sampler, |
| void **sampler) |
| { |
| assert(start_slot == 0); |
| |
| struct panfrost_context *ctx = pan_context(pctx); |
| |
| /* XXX: Should upload, not just copy? */ |
| ctx->sampler_count[shader] = num_sampler; |
| memcpy(ctx->samplers[shader], sampler, num_sampler * sizeof (void *)); |
| |
| ctx->dirty |= PAN_DIRTY_SAMPLERS; |
| } |
| |
| static bool |
| panfrost_variant_matches( |
| struct panfrost_context *ctx, |
| struct panfrost_shader_state *variant, |
| enum pipe_shader_type type) |
| { |
| struct pipe_rasterizer_state *rasterizer = &ctx->rasterizer->base; |
| struct pipe_alpha_state *alpha = &ctx->depth_stencil->alpha; |
| |
| bool is_fragment = (type == PIPE_SHADER_FRAGMENT); |
| |
| if (is_fragment && (alpha->enabled || variant->alpha_state.enabled)) { |
| /* Make sure enable state is at least the same */ |
| if (alpha->enabled != variant->alpha_state.enabled) { |
| return false; |
| } |
| |
| /* Check that the contents of the test are the same */ |
| bool same_func = alpha->func == variant->alpha_state.func; |
| bool same_ref = alpha->ref_value == variant->alpha_state.ref_value; |
| |
| if (!(same_func && same_ref)) { |
| return false; |
| } |
| } |
| |
| if (is_fragment && rasterizer && (rasterizer->sprite_coord_enable | |
| variant->point_sprite_mask)) { |
| /* Ensure the same varyings are turned to point sprites */ |
| if (rasterizer->sprite_coord_enable != variant->point_sprite_mask) |
| return false; |
| |
| /* Ensure the orientation is correct */ |
| bool upper_left = |
| rasterizer->sprite_coord_mode == |
| PIPE_SPRITE_COORD_UPPER_LEFT; |
| |
| if (variant->point_sprite_upper_left != upper_left) |
| return false; |
| } |
| |
| /* Otherwise, we're good to go */ |
| return true; |
| } |
| |
| static void |
| panfrost_bind_shader_state( |
| struct pipe_context *pctx, |
| void *hwcso, |
| enum pipe_shader_type type) |
| { |
| struct panfrost_context *ctx = pan_context(pctx); |
| |
| ctx->shader[type] = hwcso; |
| |
| if (type == PIPE_SHADER_FRAGMENT) |
| ctx->dirty |= PAN_DIRTY_FS; |
| else |
| ctx->dirty |= PAN_DIRTY_VS; |
| |
| if (!hwcso) return; |
| |
| /* Match the appropriate variant */ |
| |
| signed variant = -1; |
| struct panfrost_shader_variants *variants = (struct panfrost_shader_variants *) hwcso; |
| |
| for (unsigned i = 0; i < variants->variant_count; ++i) { |
| if (panfrost_variant_matches(ctx, &variants->variants[i], type)) { |
| variant = i; |
| break; |
| } |
| } |
| |
| if (variant == -1) { |
| /* No variant matched, so create a new one */ |
| variant = variants->variant_count++; |
| assert(variants->variant_count < MAX_SHADER_VARIANTS); |
| |
| struct panfrost_shader_state *v = |
| &variants->variants[variant]; |
| |
| v->base = hwcso; |
| |
| if (type == PIPE_SHADER_FRAGMENT) { |
| v->alpha_state = ctx->depth_stencil->alpha; |
| |
| if (ctx->rasterizer) { |
| v->point_sprite_mask = ctx->rasterizer->base.sprite_coord_enable; |
| v->point_sprite_upper_left = |
| ctx->rasterizer->base.sprite_coord_mode == |
| PIPE_SPRITE_COORD_UPPER_LEFT; |
| } |
| } |
| |
| variants->variants[variant].tripipe = malloc(sizeof(struct mali_shader_meta)); |
| |
| } |
| |
| /* Select this variant */ |
| variants->active_variant = variant; |
| |
| struct panfrost_shader_state *shader_state = &variants->variants[variant]; |
| assert(panfrost_variant_matches(ctx, shader_state, type)); |
| |
| /* We finally have a variant, so compile it */ |
| |
| if (!shader_state->compiled) { |
| panfrost_shader_compile(ctx, shader_state->tripipe, NULL, |
| panfrost_job_type_for_pipe(type), shader_state); |
| |
| shader_state->compiled = true; |
| } |
| } |
| |
| static void |
| panfrost_bind_vs_state(struct pipe_context *pctx, void *hwcso) |
| { |
| panfrost_bind_shader_state(pctx, hwcso, PIPE_SHADER_VERTEX); |
| } |
| |
| static void |
| panfrost_bind_fs_state(struct pipe_context *pctx, void *hwcso) |
| { |
| panfrost_bind_shader_state(pctx, hwcso, PIPE_SHADER_FRAGMENT); |
| } |
| |
| static void |
| panfrost_set_vertex_buffers( |
| struct pipe_context *pctx, |
| unsigned start_slot, |
| unsigned num_buffers, |
| const struct pipe_vertex_buffer *buffers) |
| { |
| struct panfrost_context *ctx = pan_context(pctx); |
| |
| util_set_vertex_buffers_mask(ctx->vertex_buffers, &ctx->vb_mask, buffers, start_slot, num_buffers); |
| } |
| |
| static void |
| panfrost_set_constant_buffer( |
| struct pipe_context *pctx, |
| enum pipe_shader_type shader, uint index, |
| const struct pipe_constant_buffer *buf) |
| { |
| struct panfrost_context *ctx = pan_context(pctx); |
| struct panfrost_constant_buffer *pbuf = &ctx->constant_buffer[shader]; |
| |
| util_copy_constant_buffer(&pbuf->cb[index], buf); |
| |
| unsigned mask = (1 << index); |
| |
| if (unlikely(!buf)) { |
| pbuf->enabled_mask &= ~mask; |
| pbuf->dirty_mask &= ~mask; |
| return; |
| } |
| |
| pbuf->enabled_mask |= mask; |
| pbuf->dirty_mask |= mask; |
| } |
| |
| static void |
| panfrost_set_stencil_ref( |
| struct pipe_context *pctx, |
| const struct pipe_stencil_ref *ref) |
| { |
| struct panfrost_context *ctx = pan_context(pctx); |
| ctx->stencil_ref = *ref; |
| |
| /* Shader core dirty */ |
| ctx->dirty |= PAN_DIRTY_FS; |
| } |
| |
| static enum mali_texture_type |
| panfrost_translate_texture_type(enum pipe_texture_target t) { |
| switch (t) |
| { |
| case PIPE_BUFFER: |
| case PIPE_TEXTURE_1D: |
| case PIPE_TEXTURE_1D_ARRAY: |
| return MALI_TEX_1D; |
| |
| case PIPE_TEXTURE_2D: |
| case PIPE_TEXTURE_2D_ARRAY: |
| case PIPE_TEXTURE_RECT: |
| return MALI_TEX_2D; |
| |
| case PIPE_TEXTURE_3D: |
| return MALI_TEX_3D; |
| |
| case PIPE_TEXTURE_CUBE: |
| case PIPE_TEXTURE_CUBE_ARRAY: |
| return MALI_TEX_CUBE; |
| |
| default: |
| unreachable("Unknown target"); |
| } |
| } |
| |
| static struct pipe_sampler_view * |
| panfrost_create_sampler_view( |
| struct pipe_context *pctx, |
| struct pipe_resource *texture, |
| const struct pipe_sampler_view *template) |
| { |
| struct panfrost_sampler_view *so = rzalloc(pctx, struct panfrost_sampler_view); |
| int bytes_per_pixel = util_format_get_blocksize(texture->format); |
| |
| pipe_reference(NULL, &texture->reference); |
| |
| struct panfrost_resource *prsrc = (struct panfrost_resource *) texture; |
| assert(prsrc->bo); |
| |
| so->base = *template; |
| so->base.texture = texture; |
| so->base.reference.count = 1; |
| so->base.context = pctx; |
| |
| /* sampler_views correspond to texture descriptors, minus the texture |
| * (data) itself. So, we serialise the descriptor here and cache it for |
| * later. */ |
| |
| /* TODO: Detect from format better */ |
| const struct util_format_description *desc = util_format_description(prsrc->base.format); |
| |
| unsigned char user_swizzle[4] = { |
| template->swizzle_r, |
| template->swizzle_g, |
| template->swizzle_b, |
| template->swizzle_a |
| }; |
| |
| enum mali_format format = panfrost_find_format(desc); |
| |
| /* Check if we need to set a custom stride by computing the "expected" |
| * stride and comparing it to what the BO actually wants. Only applies |
| * to linear textures, since tiled/compressed textures have strict |
| * alignment requirements for their strides as it is */ |
| |
| unsigned first_level = template->u.tex.first_level; |
| unsigned last_level = template->u.tex.last_level; |
| |
| if (prsrc->layout == PAN_LINEAR) { |
| for (unsigned l = first_level; l <= last_level; ++l) { |
| unsigned actual_stride = prsrc->slices[l].stride; |
| unsigned width = u_minify(texture->width0, l); |
| unsigned comp_stride = width * bytes_per_pixel; |
| |
| if (comp_stride != actual_stride) { |
| so->manual_stride = true; |
| break; |
| } |
| } |
| } |
| |
| /* In the hardware, array_size refers specifically to array textures, |
| * whereas in Gallium, it also covers cubemaps */ |
| |
| unsigned array_size = texture->array_size; |
| |
| if (template->target == PIPE_TEXTURE_CUBE) { |
| /* TODO: Cubemap arrays */ |
| assert(array_size == 6); |
| array_size /= 6; |
| } |
| |
| struct mali_texture_descriptor texture_descriptor = { |
| .width = MALI_POSITIVE(u_minify(texture->width0, first_level)), |
| .height = MALI_POSITIVE(u_minify(texture->height0, first_level)), |
| .depth = MALI_POSITIVE(u_minify(texture->depth0, first_level)), |
| .array_size = MALI_POSITIVE(array_size), |
| |
| /* TODO: Decode */ |
| .format = { |
| .swizzle = panfrost_translate_swizzle_4(desc->swizzle), |
| .format = format, |
| |
| .srgb = desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB, |
| .type = panfrost_translate_texture_type(template->target), |
| }, |
| |
| .swizzle = panfrost_translate_swizzle_4(user_swizzle) |
| }; |
| |
| texture_descriptor.nr_mipmap_levels = last_level - first_level; |
| |
| so->hw = texture_descriptor; |
| |
| return (struct pipe_sampler_view *) so; |
| } |
| |
| static void |
| panfrost_set_sampler_views( |
| struct pipe_context *pctx, |
| enum pipe_shader_type shader, |
| unsigned start_slot, unsigned num_views, |
| struct pipe_sampler_view **views) |
| { |
| struct panfrost_context *ctx = pan_context(pctx); |
| |
| assert(start_slot == 0); |
| |
| unsigned new_nr = 0; |
| for (unsigned i = 0; i < num_views; ++i) { |
| if (views[i]) |
| new_nr = i + 1; |
| } |
| |
| ctx->sampler_view_count[shader] = new_nr; |
| memcpy(ctx->sampler_views[shader], views, num_views * sizeof (void *)); |
| |
| ctx->dirty |= PAN_DIRTY_TEXTURES; |
| } |
| |
| static void |
| panfrost_sampler_view_destroy( |
| struct pipe_context *pctx, |
| struct pipe_sampler_view *view) |
| { |
| pipe_resource_reference(&view->texture, NULL); |
| ralloc_free(view); |
| } |
| |
| static void |
| panfrost_set_shader_buffers( |
| struct pipe_context *pctx, |
| enum pipe_shader_type shader, |
| unsigned start, unsigned count, |
| const struct pipe_shader_buffer *buffers, |
| unsigned writable_bitmask) |
| { |
| struct panfrost_context *ctx = pan_context(pctx); |
| |
| util_set_shader_buffers_mask(ctx->ssbo[shader], &ctx->ssbo_mask[shader], |
| buffers, start, count); |
| } |
| |
| /* Hints that a framebuffer should use AFBC where possible */ |
| |
| static void |
| panfrost_hint_afbc( |
| struct panfrost_screen *screen, |
| const struct pipe_framebuffer_state *fb) |
| { |
| /* AFBC implemenation incomplete; hide it */ |
| if (!(pan_debug & PAN_DBG_AFBC)) return; |
| |
| /* Hint AFBC to the resources bound to each color buffer */ |
| |
| for (unsigned i = 0; i < fb->nr_cbufs; ++i) { |
| struct pipe_surface *surf = fb->cbufs[i]; |
| struct panfrost_resource *rsrc = pan_resource(surf->texture); |
| panfrost_resource_hint_layout(screen, rsrc, PAN_AFBC, 1); |
| } |
| |
| /* Also hint it to the depth buffer */ |
| |
| if (fb->zsbuf) { |
| struct panfrost_resource *rsrc = pan_resource(fb->zsbuf->texture); |
| panfrost_resource_hint_layout(screen, rsrc, PAN_AFBC, 1); |
| } |
| } |
| |
| static void |
| panfrost_set_framebuffer_state(struct pipe_context *pctx, |
| const struct pipe_framebuffer_state *fb) |
| { |
| struct panfrost_context *ctx = pan_context(pctx); |
| |
| /* Flush when switching framebuffers, but not if the framebuffer |
| * state is being restored by u_blitter |
| */ |
| |
| struct panfrost_job *job = panfrost_get_job_for_fbo(ctx); |
| bool is_scanout = panfrost_is_scanout(ctx); |
| bool has_draws = job->last_job.gpu; |
| |
| if (!ctx->wallpaper_batch && (!is_scanout || has_draws)) { |
| panfrost_flush(pctx, NULL, PIPE_FLUSH_END_OF_FRAME); |
| } |
| |
| util_copy_framebuffer_state(&ctx->pipe_framebuffer, fb); |
| |
| /* Given that we're rendering, we'd love to have compression */ |
| struct panfrost_screen *screen = pan_screen(ctx->base.screen); |
| |
| panfrost_hint_afbc(screen, &ctx->pipe_framebuffer); |
| |
| if (screen->require_sfbd) |
| ctx->vt_framebuffer_sfbd = panfrost_emit_sfbd(ctx, ~0); |
| else |
| ctx->vt_framebuffer_mfbd = panfrost_emit_mfbd(ctx, ~0); |
| |
| panfrost_attach_vt_framebuffer(ctx, false); |
| } |
| |
| static void * |
| panfrost_create_depth_stencil_state(struct pipe_context *pipe, |
| const struct pipe_depth_stencil_alpha_state *depth_stencil) |
| { |
| return mem_dup(depth_stencil, sizeof(*depth_stencil)); |
| } |
| |
| static void |
| panfrost_bind_depth_stencil_state(struct pipe_context *pipe, |
| void *cso) |
| { |
| struct panfrost_context *ctx = pan_context(pipe); |
| struct pipe_depth_stencil_alpha_state *depth_stencil = cso; |
| ctx->depth_stencil = depth_stencil; |
| |
| if (!depth_stencil) |
| return; |
| |
| /* Alpha does not exist in the hardware (it's not in ES3), so it's |
| * emulated in the fragment shader */ |
| |
| if (depth_stencil->alpha.enabled) { |
| /* We need to trigger a new shader (maybe) */ |
| ctx->base.bind_fs_state(&ctx->base, ctx->shader[PIPE_SHADER_FRAGMENT]); |
| } |
| |
| /* Stencil state */ |
| SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_STENCIL_TEST, depth_stencil->stencil[0].enabled); |
| |
| panfrost_make_stencil_state(&depth_stencil->stencil[0], &ctx->fragment_shader_core.stencil_front); |
| ctx->fragment_shader_core.stencil_mask_front = depth_stencil->stencil[0].writemask; |
| |
| /* If back-stencil is not enabled, use the front values */ |
| bool back_enab = ctx->depth_stencil->stencil[1].enabled; |
| unsigned back_index = back_enab ? 1 : 0; |
| |
| panfrost_make_stencil_state(&depth_stencil->stencil[back_index], &ctx->fragment_shader_core.stencil_back); |
| ctx->fragment_shader_core.stencil_mask_back = depth_stencil->stencil[back_index].writemask; |
| |
| /* Depth state (TODO: Refactor) */ |
| SET_BIT(ctx->fragment_shader_core.unknown2_3, MALI_DEPTH_TEST, depth_stencil->depth.enabled); |
| |
| int func = depth_stencil->depth.enabled ? depth_stencil->depth.func : PIPE_FUNC_ALWAYS; |
| |
| ctx->fragment_shader_core.unknown2_3 &= ~MALI_DEPTH_FUNC_MASK; |
| ctx->fragment_shader_core.unknown2_3 |= MALI_DEPTH_FUNC(panfrost_translate_compare_func(func)); |
| |
| /* Bounds test not implemented */ |
| assert(!depth_stencil->depth.bounds_test); |
| |
| ctx->dirty |= PAN_DIRTY_FS; |
| } |
| |
| static void |
| panfrost_delete_depth_stencil_state(struct pipe_context *pipe, void *depth) |
| { |
| free( depth ); |
| } |
| |
| static void |
| panfrost_set_sample_mask(struct pipe_context *pipe, |
| unsigned sample_mask) |
| { |
| } |
| |
| static void |
| panfrost_set_clip_state(struct pipe_context *pipe, |
| const struct pipe_clip_state *clip) |
| { |
| //struct panfrost_context *panfrost = pan_context(pipe); |
| } |
| |
| static void |
| panfrost_set_viewport_states(struct pipe_context *pipe, |
| unsigned start_slot, |
| unsigned num_viewports, |
| const struct pipe_viewport_state *viewports) |
| { |
| struct panfrost_context *ctx = pan_context(pipe); |
| |
| assert(start_slot == 0); |
| assert(num_viewports == 1); |
| |
| ctx->pipe_viewport = *viewports; |
| } |
| |
| static void |
| panfrost_set_scissor_states(struct pipe_context *pipe, |
| unsigned start_slot, |
| unsigned num_scissors, |
| const struct pipe_scissor_state *scissors) |
| { |
| struct panfrost_context *ctx = pan_context(pipe); |
| |
| assert(start_slot == 0); |
| assert(num_scissors == 1); |
| |
| ctx->scissor = *scissors; |
| } |
| |
| static void |
| panfrost_set_polygon_stipple(struct pipe_context *pipe, |
| const struct pipe_poly_stipple *stipple) |
| { |
| //struct panfrost_context *panfrost = pan_context(pipe); |
| } |
| |
| static void |
| panfrost_set_active_query_state(struct pipe_context *pipe, |
| bool enable) |
| { |
| //struct panfrost_context *panfrost = pan_context(pipe); |
| } |
| |
| static void |
| panfrost_destroy(struct pipe_context *pipe) |
| { |
| struct panfrost_context *panfrost = pan_context(pipe); |
| struct panfrost_screen *screen = pan_screen(pipe->screen); |
| |
| if (panfrost->blitter) |
| util_blitter_destroy(panfrost->blitter); |
| |
| if (panfrost->blitter_wallpaper) |
| util_blitter_destroy(panfrost->blitter_wallpaper); |
| |
| panfrost_drm_free_slab(screen, &panfrost->scratchpad); |
| panfrost_drm_free_slab(screen, &panfrost->shaders); |
| panfrost_drm_free_slab(screen, &panfrost->tiler_heap); |
| panfrost_drm_free_slab(screen, &panfrost->tiler_polygon_list); |
| panfrost_drm_free_slab(screen, &panfrost->tiler_dummy); |
| |
| ralloc_free(pipe); |
| } |
| |
| static struct pipe_query * |
| panfrost_create_query(struct pipe_context *pipe, |
| unsigned type, |
| unsigned index) |
| { |
| struct panfrost_query *q = rzalloc(pipe, struct panfrost_query); |
| |
| q->type = type; |
| q->index = index; |
| |
| return (struct pipe_query *) q; |
| } |
| |
| static void |
| panfrost_destroy_query(struct pipe_context *pipe, struct pipe_query *q) |
| { |
| ralloc_free(q); |
| } |
| |
| static bool |
| panfrost_begin_query(struct pipe_context *pipe, struct pipe_query *q) |
| { |
| struct panfrost_context *ctx = pan_context(pipe); |
| struct panfrost_query *query = (struct panfrost_query *) q; |
| |
| switch (query->type) { |
| case PIPE_QUERY_OCCLUSION_COUNTER: |
| case PIPE_QUERY_OCCLUSION_PREDICATE: |
| case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE: { |
| /* Allocate a word for the query results to be stored */ |
| query->transfer = panfrost_allocate_transient(ctx, sizeof(unsigned)); |
| |
| ctx->occlusion_query = query; |
| |
| break; |
| } |
| |
| default: |
| DBG("Skipping query %d\n", query->type); |
| break; |
| } |
| |
| return true; |
| } |
| |
| static bool |
| panfrost_end_query(struct pipe_context *pipe, struct pipe_query *q) |
| { |
| struct panfrost_context *ctx = pan_context(pipe); |
| ctx->occlusion_query = NULL; |
| return true; |
| } |
| |
| static bool |
| panfrost_get_query_result(struct pipe_context *pipe, |
| struct pipe_query *q, |
| bool wait, |
| union pipe_query_result *vresult) |
| { |
| /* STUB */ |
| struct panfrost_query *query = (struct panfrost_query *) q; |
| |
| /* We need to flush out the jobs to actually run the counter, TODO |
| * check wait, TODO wallpaper after if needed */ |
| |
| panfrost_flush(pipe, NULL, PIPE_FLUSH_END_OF_FRAME); |
| |
| switch (query->type) { |
| case PIPE_QUERY_OCCLUSION_COUNTER: |
| case PIPE_QUERY_OCCLUSION_PREDICATE: |
| case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE: { |
| /* Read back the query results */ |
| unsigned *result = (unsigned *) query->transfer.cpu; |
| unsigned passed = *result; |
| |
| if (query->type == PIPE_QUERY_OCCLUSION_COUNTER) { |
| vresult->u64 = passed; |
| } else { |
| vresult->b = !!passed; |
| } |
| |
| break; |
| } |
| default: |
| DBG("Skipped query get %d\n", query->type); |
| break; |
| } |
| |
| return true; |
| } |
| |
| static struct pipe_stream_output_target * |
| panfrost_create_stream_output_target(struct pipe_context *pctx, |
| struct pipe_resource *prsc, |
| unsigned buffer_offset, |
| unsigned buffer_size) |
| { |
| struct pipe_stream_output_target *target; |
| |
| target = rzalloc(pctx, struct pipe_stream_output_target); |
| |
| if (!target) |
| return NULL; |
| |
| pipe_reference_init(&target->reference, 1); |
| pipe_resource_reference(&target->buffer, prsc); |
| |
| target->context = pctx; |
| target->buffer_offset = buffer_offset; |
| target->buffer_size = buffer_size; |
| |
| return target; |
| } |
| |
| static void |
| panfrost_stream_output_target_destroy(struct pipe_context *pctx, |
| struct pipe_stream_output_target *target) |
| { |
| pipe_resource_reference(&target->buffer, NULL); |
| ralloc_free(target); |
| } |
| |
| static void |
| panfrost_set_stream_output_targets(struct pipe_context *pctx, |
| unsigned num_targets, |
| struct pipe_stream_output_target **targets, |
| const unsigned *offsets) |
| { |
| /* STUB */ |
| } |
| |
| static void |
| panfrost_setup_hardware(struct panfrost_context *ctx) |
| { |
| struct pipe_context *gallium = (struct pipe_context *) ctx; |
| struct panfrost_screen *screen = pan_screen(gallium->screen); |
| |
| panfrost_drm_allocate_slab(screen, &ctx->scratchpad, 64*4, false, 0, 0, 0); |
| panfrost_drm_allocate_slab(screen, &ctx->shaders, 4096, true, PAN_ALLOCATE_EXECUTE, 0, 0); |
| panfrost_drm_allocate_slab(screen, &ctx->tiler_heap, 4096, false, PAN_ALLOCATE_INVISIBLE | PAN_ALLOCATE_GROWABLE, 1, 128); |
| panfrost_drm_allocate_slab(screen, &ctx->tiler_polygon_list, 128*128, false, PAN_ALLOCATE_INVISIBLE | PAN_ALLOCATE_GROWABLE, 1, 128); |
| panfrost_drm_allocate_slab(screen, &ctx->tiler_dummy, 1, false, PAN_ALLOCATE_INVISIBLE, 0, 0); |
| } |
| |
| /* New context creation, which also does hardware initialisation since I don't |
| * know the better way to structure this :smirk: */ |
| |
| struct pipe_context * |
| panfrost_create_context(struct pipe_screen *screen, void *priv, unsigned flags) |
| { |
| struct panfrost_context *ctx = rzalloc(screen, struct panfrost_context); |
| struct panfrost_screen *pscreen = pan_screen(screen); |
| memset(ctx, 0, sizeof(*ctx)); |
| struct pipe_context *gallium = (struct pipe_context *) ctx; |
| |
| ctx->is_t6xx = pscreen->gpu_id < 0x0700; /* Literally, "earlier than T700" */ |
| |
| gallium->screen = screen; |
| |
| gallium->destroy = panfrost_destroy; |
| |
| gallium->set_framebuffer_state = panfrost_set_framebuffer_state; |
| |
| gallium->flush = panfrost_flush; |
| gallium->clear = panfrost_clear; |
| gallium->draw_vbo = panfrost_draw_vbo; |
| |
| gallium->set_vertex_buffers = panfrost_set_vertex_buffers; |
| gallium->set_constant_buffer = panfrost_set_constant_buffer; |
| gallium->set_shader_buffers = panfrost_set_shader_buffers; |
| |
| gallium->set_stencil_ref = panfrost_set_stencil_ref; |
| |
| gallium->create_sampler_view = panfrost_create_sampler_view; |
| gallium->set_sampler_views = panfrost_set_sampler_views; |
| gallium->sampler_view_destroy = panfrost_sampler_view_destroy; |
| |
| gallium->create_rasterizer_state = panfrost_create_rasterizer_state; |
| gallium->bind_rasterizer_state = panfrost_bind_rasterizer_state; |
| gallium->delete_rasterizer_state = panfrost_generic_cso_delete; |
| |
| gallium->create_vertex_elements_state = panfrost_create_vertex_elements_state; |
| gallium->bind_vertex_elements_state = panfrost_bind_vertex_elements_state; |
| gallium->delete_vertex_elements_state = panfrost_generic_cso_delete; |
| |
| gallium->create_fs_state = panfrost_create_shader_state; |
| gallium->delete_fs_state = panfrost_delete_shader_state; |
| gallium->bind_fs_state = panfrost_bind_fs_state; |
| |
| gallium->create_vs_state = panfrost_create_shader_state; |
| gallium->delete_vs_state = panfrost_delete_shader_state; |
| gallium->bind_vs_state = panfrost_bind_vs_state; |
| |
| gallium->create_sampler_state = panfrost_create_sampler_state; |
| gallium->delete_sampler_state = panfrost_generic_cso_delete; |
| gallium->bind_sampler_states = panfrost_bind_sampler_states; |
| |
| gallium->create_depth_stencil_alpha_state = panfrost_create_depth_stencil_state; |
| gallium->bind_depth_stencil_alpha_state = panfrost_bind_depth_stencil_state; |
| gallium->delete_depth_stencil_alpha_state = panfrost_delete_depth_stencil_state; |
| |
| gallium->set_sample_mask = panfrost_set_sample_mask; |
| |
| gallium->set_clip_state = panfrost_set_clip_state; |
| gallium->set_viewport_states = panfrost_set_viewport_states; |
| gallium->set_scissor_states = panfrost_set_scissor_states; |
| gallium->set_polygon_stipple = panfrost_set_polygon_stipple; |
| gallium->set_active_query_state = panfrost_set_active_query_state; |
| |
| gallium->create_query = panfrost_create_query; |
| gallium->destroy_query = panfrost_destroy_query; |
| gallium->begin_query = panfrost_begin_query; |
| gallium->end_query = panfrost_end_query; |
| gallium->get_query_result = panfrost_get_query_result; |
| |
| gallium->create_stream_output_target = panfrost_create_stream_output_target; |
| gallium->stream_output_target_destroy = panfrost_stream_output_target_destroy; |
| gallium->set_stream_output_targets = panfrost_set_stream_output_targets; |
| |
| panfrost_resource_context_init(gallium); |
| panfrost_blend_context_init(gallium); |
| panfrost_compute_context_init(gallium); |
| |
| panfrost_drm_init_context(ctx); |
| |
| panfrost_setup_hardware(ctx); |
| |
| /* XXX: leaks */ |
| gallium->stream_uploader = u_upload_create_default(gallium); |
| gallium->const_uploader = gallium->stream_uploader; |
| assert(gallium->stream_uploader); |
| |
| /* Midgard supports ES modes, plus QUADS/QUAD_STRIPS/POLYGON */ |
| ctx->draw_modes = (1 << (PIPE_PRIM_POLYGON + 1)) - 1; |
| |
| ctx->primconvert = util_primconvert_create(gallium, ctx->draw_modes); |
| |
| ctx->blitter = util_blitter_create(gallium); |
| ctx->blitter_wallpaper = util_blitter_create(gallium); |
| |
| assert(ctx->blitter); |
| assert(ctx->blitter_wallpaper); |
| |
| /* Prepare for render! */ |
| |
| panfrost_job_init(ctx); |
| panfrost_emit_vertex_payload(ctx); |
| panfrost_emit_tiler_payload(ctx); |
| panfrost_invalidate_frame(ctx); |
| panfrost_default_shader_backend(ctx); |
| |
| return gallium; |
| } |