fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-06 09:28:07 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

panfrost: Provide a helper to prepare the shader related parts of an RSD

Browse source 
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8963>
This commit is contained in:
Boris Brezillon 2021-02-13 08:41:47 +01:00 • committed by Marge Bot
parent d5b1a33460
commit ec51b841a7
1 changed files with 122 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

122
src/panfrost/lib/pan_shader.h
View file

@ -28,6 +28,9 @@
#include "compiler/nir/nir.h"
#include "panfrost/util/pan_ir.h"
#include "pan_device.h"
#include "midgard_pack.h"
struct panfrost_device;
const nir_shader_compiler_options *
@ -40,4 +43,123 @@ pan_shader_compile(const struct panfrost_device *dev,
struct util_dynarray *binary,
struct pan_shader_info *info);
static inline void
pan_shader_prepare_midgard_rsd(const struct pan_shader_info *info,
struct MALI_RENDERER_STATE *rsd)
{
rsd->properties.uniform_buffer_count = info->ubo_count;
rsd->properties.midgard.uniform_count = info->midgard.uniform_cutoff;
rsd->properties.midgard.shader_has_side_effects = info->writes_global;
rsd->properties.midgard.fp_mode = MALI_FP_MODE_GL_INF_NAN_ALLOWED;
/* For fragment shaders, work register count, early-z, reads at draw-time */
if (info->stage != MESA_SHADER_FRAGMENT)
rsd->properties.midgard.work_register_count = info->work_reg_count;
}
static inline void
pan_shader_prepare_bifrost_rsd(const struct pan_shader_info *info,
struct MALI_RENDERER_STATE *rsd)
{
unsigned fau_count = DIV_ROUND_UP(info->push.count, 2);
switch (info->stage) {
case MESA_SHADER_VERTEX:
rsd->properties.bifrost.zs_update_operation = MALI_PIXEL_KILL_STRONG_EARLY;
rsd->properties.uniform_buffer_count = info->ubo_count;
rsd->preload.uniform_count = fau_count;
rsd->preload.vertex.vertex_id = true;
rsd->preload.vertex.instance_id = true;
break;
case MESA_SHADER_FRAGMENT:
/* Early-Z set at draw-time */
if (info->fs.writes_depth || info->fs.writes_stencil) {
rsd->properties.bifrost.zs_update_operation = MALI_PIXEL_KILL_FORCE_LATE;
rsd->properties.bifrost.pixel_kill_operation = MALI_PIXEL_KILL_FORCE_LATE;
} else if (info->fs.can_discard) {
rsd->properties.bifrost.zs_update_operation = MALI_PIXEL_KILL_FORCE_LATE;
rsd->properties.bifrost.pixel_kill_operation = MALI_PIXEL_KILL_WEAK_EARLY;
} else {
rsd->properties.bifrost.zs_update_operation = MALI_PIXEL_KILL_STRONG_EARLY;
rsd->properties.bifrost.pixel_kill_operation = MALI_PIXEL_KILL_FORCE_EARLY;
}
rsd->properties.uniform_buffer_count = info->ubo_count;
rsd->properties.bifrost.shader_modifies_coverage = info->fs.can_discard;
rsd->properties.bifrost.shader_wait_dependency_6 = info->bifrost.wait_6;
rsd->properties.bifrost.shader_wait_dependency_7 = info->bifrost.wait_7;
rsd->preload.uniform_count = fau_count;
rsd->preload.fragment.fragment_position = info->fs.reads_frag_coord;
rsd->preload.fragment.coverage = true;
rsd->preload.fragment.primitive_flags = info->fs.reads_face;
/* Contains sample ID and sample mask. Sample position and
* helper invocation are expressed in terms of the above, so
* preload for those too */
rsd->preload.fragment.sample_mask_id =
info->fs.reads_sample_id |
info->fs.reads_sample_pos |
info->fs.reads_sample_mask_in |
info->fs.reads_helper_invocation;
break;
case MESA_SHADER_COMPUTE:
rsd->properties.uniform_buffer_count = info->ubo_count;
rsd->preload.uniform_count = fau_count;
rsd->preload.compute.local_invocation_xy = true;
rsd->preload.compute.local_invocation_z = true;
rsd->preload.compute.work_group_x = true;
rsd->preload.compute.work_group_y = true;
rsd->preload.compute.work_group_z = true;
rsd->preload.compute.global_invocation_x = true;
rsd->preload.compute.global_invocation_y = true;
rsd->preload.compute.global_invocation_z = true;
break;
default:
unreachable("TODO");
}
}
static inline void
pan_shader_prepare_rsd(const struct panfrost_device *dev,
const struct pan_shader_info *shader_info,
mali_ptr shader_ptr,
struct MALI_RENDERER_STATE *rsd)
{
if (!pan_is_bifrost(dev))
shader_ptr |= shader_info->midgard.first_tag;
rsd->shader.shader = shader_ptr;
rsd->shader.attribute_count = shader_info->attribute_count;
rsd->shader.varying_count = shader_info->varyings.input_count +
shader_info->varyings.output_count;
rsd->shader.texture_count = shader_info->texture_count;
rsd->shader.sampler_count = shader_info->texture_count;
rsd->properties.shader_contains_barrier = shader_info->contains_barrier;
if (shader_info->stage == MESA_SHADER_FRAGMENT) {
rsd->properties.shader_contains_barrier |=
shader_info->fs.helper_invocations;
rsd->properties.stencil_from_shader =
shader_info->fs.writes_stencil;
rsd->properties.depth_source =
shader_info->fs.writes_depth ?
MALI_DEPTH_SOURCE_SHADER :
MALI_DEPTH_SOURCE_FIXED_FUNCTION;
} else {
rsd->properties.depth_source =
MALI_DEPTH_SOURCE_FIXED_FUNCTION;
}
if (pan_is_bifrost(dev))
pan_shader_prepare_bifrost_rsd(shader_info, rsd);
else
pan_shader_prepare_midgard_rsd(shader_info, rsd);
}
#endif