static void
panfrost_emit_frag_shader(struct panfrost_context *ctx,
- struct mali_shader_meta *fragmeta,
+ struct mali_state_packed *fragmeta,
struct panfrost_blend_final *blend)
{
const struct panfrost_device *dev = pan_device(ctx->base.screen);
- struct panfrost_shader_state *fs;
-
- fs = panfrost_get_shader_state(ctx, PIPE_SHADER_FRAGMENT);
-
+ struct panfrost_shader_state *fs = panfrost_get_shader_state(ctx, PIPE_SHADER_FRAGMENT);
struct pipe_rasterizer_state *rast = &ctx->rasterizer->base;
const struct panfrost_zsa_state *zsa = ctx->depth_stencil;
unsigned rt_count = ctx->pipe_framebuffer.nr_cbufs;
+ bool alpha_to_coverage = ctx->blend->base.alpha_to_coverage;
- memset(fragmeta, 0, sizeof(*fragmeta));
- memcpy(&fragmeta->shader, &fs->shader, sizeof(fs->shader));
+ /* Built up here */
+ struct mali_shader_packed shader = fs->shader;
+ struct mali_preload_packed preload = fs->preload;
+ uint32_t properties;
+ struct mali_multisample_misc_packed multisample_misc;
+ struct mali_stencil_mask_misc_packed stencil_mask_misc;
+ union midgard_blend sfbd_blend = { 0 };
if (!panfrost_fs_required(fs, blend, rt_count)) {
- struct mali_shader_packed shader = { 0 };
- struct mali_midgard_properties_packed prop;
-
if (dev->quirks & IS_BIFROST) {
- struct mali_preload_packed preload = { 0 };
- memcpy(&fragmeta->bifrost_preload, &preload, sizeof(preload));
+ pan_pack(&shader, SHADER, cfg) {}
- pan_pack(&prop, BIFROST_PROPERTIES, cfg) {
+ pan_pack(&properties, BIFROST_PROPERTIES, cfg) {
cfg.unknown = 0x950020; /* XXX */
cfg.early_z_enable = true;
}
+
+ preload.opaque[0] = 0;
} else {
pan_pack(&shader, SHADER, cfg) {
cfg.shader = 0x1;
}
- pan_pack(&prop, MIDGARD_PROPERTIES, cfg) {
+ pan_pack(&properties, MIDGARD_PROPERTIES, cfg) {
cfg.work_register_count = 1;
cfg.depth_source = MALI_DEPTH_SOURCE_FIXED_FUNCTION;
cfg.early_z_enable = true;
}
}
-
- memcpy(&fragmeta->shader, &shader, sizeof(shader));
- memcpy(&fragmeta->midgard_props, &prop, sizeof(prop));
} else if (dev->quirks & IS_BIFROST) {
- struct mali_bifrost_properties_packed prop;
-
bool no_blend = true;
for (unsigned i = 0; i < rt_count; ++i)
no_blend &= (!blend[i].load_dest | blend[i].no_colour);
- pan_pack(&prop, BIFROST_PROPERTIES, cfg) {
+ pan_pack(&properties, BIFROST_PROPERTIES, cfg) {
cfg.early_z_enable = !fs->can_discard && !fs->writes_depth && no_blend;
}
/* Combine with prepacked properties */
- prop.opaque[0] |= fs->properties.opaque[0];
-
- memcpy(&fragmeta->bifrost_props, &prop, sizeof(prop));
- memcpy(&fragmeta->bifrost_preload, &fs->preload, sizeof(fs->preload));
+ properties |= fs->properties.opaque[0];
} else {
- struct mali_midgard_properties_packed prop;
-
/* Reasons to disable early-Z from a shader perspective */
bool late_z = fs->can_discard || fs->writes_global ||
fs->writes_depth || fs->writes_stencil;
- /* Reasons to disable early-Z from a CSO perspective */
- bool alpha_to_coverage = ctx->blend->base.alpha_to_coverage;
-
/* If either depth or stencil is enabled, discard matters */
bool zs_enabled =
(zsa->base.depth.enabled && zsa->base.depth.func != PIPE_FUNC_ALWAYS) ||
for (unsigned c = 0; c < rt_count; ++c)
has_blend_shader |= blend[c].is_shader;
- pan_pack(&prop, MIDGARD_PROPERTIES, cfg) {
+ pan_pack(&properties, MIDGARD_PROPERTIES, cfg) {
/* TODO: Reduce this limit? */
if (has_blend_shader)
cfg.work_register_count = MAX2(fs->work_reg_count, 8);
cfg.reads_depth_stencil = zs_enabled && fs->can_discard;
}
- /* Combine with prepacked properties */
- prop.opaque[0] |= fs->properties.opaque[0];
- memcpy(&fragmeta->midgard_props, &prop, sizeof(prop));
+ properties |= fs->properties.opaque[0];
}
- bool msaa = rast->multisample;
- fragmeta->coverage_mask = msaa ? ctx->sample_mask : ~0;
-
- fragmeta->unknown2_3 = MALI_DEPTH_FUNC(MALI_FUNC_ALWAYS) | 0x10;
- fragmeta->unknown2_4 = 0x4e0;
-
- /* TODO: Sample size */
- SET_BIT(fragmeta->unknown2_3, MALI_HAS_MSAA, msaa);
- SET_BIT(fragmeta->unknown2_4, MALI_NO_MSAA, !msaa);
-
- /* EXT_shader_framebuffer_fetch requires the shader to be run
- * per-sample when outputs are read. */
- bool per_sample = ctx->min_samples > 1 || fs->outputs_read;
- SET_BIT(fragmeta->unknown2_3, MALI_PER_SAMPLE, msaa && per_sample);
-
- fragmeta->depth_units = rast->offset_units * 2.0f;
- fragmeta->depth_factor = rast->offset_scale;
+ pan_pack(&multisample_misc, MULTISAMPLE_MISC, cfg) {
+ bool msaa = rast->multisample;
+ cfg.multisample_enable = msaa;
+ cfg.sample_mask = (msaa ? ctx->sample_mask : ~0) & 0xFFFF;
- /* XXX: Which bit is which? Does this maybe allow offseting not-tri? */
+ /* EXT_shader_framebuffer_fetch requires per-sample */
+ bool per_sample = ctx->min_samples > 1 || fs->outputs_read;
+ cfg.evaluate_per_sample = msaa && per_sample;
- SET_BIT(fragmeta->unknown2_4, MALI_DEPTH_RANGE_A, rast->offset_tri);
- SET_BIT(fragmeta->unknown2_4, MALI_DEPTH_RANGE_B, rast->offset_tri);
-
- SET_BIT(fragmeta->unknown2_3, MALI_DEPTH_CLIP_NEAR, rast->depth_clip_near);
- SET_BIT(fragmeta->unknown2_3, MALI_DEPTH_CLIP_FAR, rast->depth_clip_far);
-
- SET_BIT(fragmeta->unknown2_4, MALI_STENCIL_TEST,
- zsa->base.stencil[0].enabled);
-
- fragmeta->stencil_mask_front = zsa->stencil_mask_front;
- fragmeta->stencil_mask_back = zsa->stencil_mask_back;
-
- /* Bottom bits for stencil ref, exactly one word */
- fragmeta->stencil_front.opaque[0] = zsa->stencil_front.opaque[0] | ctx->stencil_ref.ref_value[0];
+ if (dev->quirks & MIDGARD_SFBD) {
+ cfg.sfbd_load_destination = blend[0].load_dest;
+ cfg.sfbd_blend_shader = blend[0].is_shader;
+ }
- /* If back-stencil is not enabled, use the front values */
+ cfg.depth_function = zsa->base.depth.enabled ?
+ panfrost_translate_compare_func(zsa->base.depth.func) :
+ MALI_FUNC_ALWAYS;
- if (zsa->base.stencil[1].enabled)
- fragmeta->stencil_back.opaque[0] = zsa->stencil_back.opaque[0] | ctx->stencil_ref.ref_value[1];
- else
- fragmeta->stencil_back = fragmeta->stencil_front;
+ cfg.depth_write_mask = zsa->base.depth.writemask;
+ cfg.near_discard = rast->depth_clip_near;
+ cfg.far_discard = rast->depth_clip_far;
+ cfg.unknown_2 = true;
+ }
- SET_BIT(fragmeta->unknown2_3, MALI_DEPTH_WRITEMASK,
- zsa->base.depth.writemask);
+ pan_pack(&stencil_mask_misc, STENCIL_MASK_MISC, cfg) {
+ cfg.stencil_mask_front = zsa->stencil_mask_front;
+ cfg.stencil_mask_back = zsa->stencil_mask_back;
+ cfg.stencil_enable = zsa->base.stencil[0].enabled;
+ cfg.alpha_to_coverage = alpha_to_coverage;
- fragmeta->unknown2_3 &= ~MALI_DEPTH_FUNC_MASK;
- fragmeta->unknown2_3 |= MALI_DEPTH_FUNC(panfrost_translate_compare_func(
- zsa->base.depth.enabled ? zsa->base.depth.func : PIPE_FUNC_ALWAYS));
+ if (dev->quirks & MIDGARD_SFBD) {
+ cfg.sfbd_write_enable = !blend[0].no_colour;
+ cfg.sfbd_srgb = util_format_is_srgb(ctx->pipe_framebuffer.cbufs[0]->format);
+ cfg.sfbd_dither_disable = !ctx->blend->base.dither;
+ }
- SET_BIT(fragmeta->unknown2_4, MALI_ALPHA_TO_COVERAGE,
- ctx->blend->base.alpha_to_coverage);
+ cfg.unknown_1 = 0x7;
+ cfg.depth_range_1 = cfg.depth_range_2 = rast->offset_tri;
+ cfg.single_sampled_lines = !rast->multisample;
+ }
if (dev->quirks & MIDGARD_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[0].no_colour)
- return;
-
- fragmeta->unknown2_4 |= MALI_SFBD_ENABLE;
-
- SET_BIT(fragmeta->unknown2_4, MALI_SFBD_SRGB,
- util_format_is_srgb(ctx->pipe_framebuffer.cbufs[0]->format));
-
- SET_BIT(fragmeta->unknown2_3, MALI_HAS_BLEND_SHADER,
- blend[0].is_shader);
-
if (blend[0].is_shader) {
- fragmeta->blend.shader = blend[0].shader.gpu |
+ sfbd_blend.shader = blend[0].shader.gpu |
blend[0].shader.first_tag;
} else {
- fragmeta->blend.equation = blend[0].equation.equation;
- fragmeta->blend.constant = blend[0].equation.constant;
+ sfbd_blend.equation = blend[0].equation.equation;
+ sfbd_blend.constant = blend[0].equation.constant;
}
-
- SET_BIT(fragmeta->unknown2_3, MALI_CAN_DISCARD,
- blend[0].load_dest);
-
- SET_BIT(fragmeta->unknown2_4, MALI_NO_DITHER, !ctx->blend->base.dither);
} else if (!(dev->quirks & IS_BIFROST)) {
/* Bug where MRT-capable hw apparently reads the last blend
* shader from here instead of the usual location? */
if (!blend[rt].is_shader)
continue;
- fragmeta->blend.shader = blend[rt].shader.gpu |
+ sfbd_blend.shader = blend[rt].shader.gpu |
blend[rt].shader.first_tag;
break;
}
}
+
+ pan_pack(fragmeta, STATE_OPAQUE, cfg) {
+ cfg.shader = fs->shader;
+ cfg.properties = properties;
+ cfg.depth_units = rast->offset_units * 2.0f;
+ cfg.depth_factor = rast->offset_scale;
+ cfg.multisample_misc = multisample_misc;
+ cfg.stencil_mask_misc = stencil_mask_misc;
+
+ cfg.stencil_front = zsa->stencil_front;
+ cfg.stencil_back = zsa->stencil_back;
+
+ /* Bottom bits for stencil ref, exactly one word */
+ bool back_enab = zsa->base.stencil[1].enabled;
+ cfg.stencil_front.opaque[0] |= ctx->stencil_ref.ref_value[0];
+ cfg.stencil_back.opaque[0] |= ctx->stencil_ref.ref_value[back_enab ? 1 : 0];
+
+ if (dev->quirks & IS_BIFROST)
+ cfg.preload = preload;
+ else
+ memcpy(&cfg.sfbd_blend, &sfbd_blend, sizeof(sfbd_blend));
+ }
}
mali_ptr
{
struct panfrost_context *ctx = batch->ctx;
struct panfrost_shader_state *ss = panfrost_get_shader_state(ctx, PIPE_SHADER_FRAGMENT);
- struct mali_shader_meta meta;
/* Add the shader BO to the batch. */
panfrost_batch_add_bo(batch, ss->bo,
struct panfrost_device *dev = pan_device(ctx->base.screen);
unsigned rt_count = MAX2(ctx->pipe_framebuffer.nr_cbufs, 1);
- size_t desc_size = sizeof(meta);
void *rts = NULL;
struct panfrost_transfer xfer;
unsigned rt_size;
else
rt_size = sizeof(struct midgard_blend_rt);
- desc_size += rt_size * rt_count;
+ unsigned desc_size = MALI_STATE_LENGTH + rt_size * rt_count;
if (rt_size)
rts = rzalloc_size(ctx, rt_size * rt_count);
for (unsigned c = 0; c < ctx->pipe_framebuffer.nr_cbufs; ++c)
blend[c] = panfrost_get_blend_for_context(ctx, c);
- panfrost_emit_frag_shader(ctx, &meta, blend);
-
if (!(dev->quirks & MIDGARD_SFBD))
panfrost_emit_blend(batch, rts, blend);
else
batch->draws |= PIPE_CLEAR_COLOR0;
- xfer = panfrost_pool_alloc_aligned(&batch->pool, desc_size, sizeof(meta));
+ xfer = panfrost_pool_alloc_aligned(&batch->pool, desc_size, MALI_STATE_LENGTH);
+
+ panfrost_emit_frag_shader(ctx, (struct mali_state_packed *) xfer.cpu, blend);
- memcpy(xfer.cpu, &meta, sizeof(meta));
- memcpy(xfer.cpu + sizeof(meta), rts, rt_size * rt_count);
+ memcpy(xfer.cpu + MALI_STATE_LENGTH, rts, rt_size * rt_count);
if (rt_size)
ralloc_free(rts);
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