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radv: support more tessellation parameters with TCS for ESO unlinked shaders

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The Vulkan spec change hasn't been released yet but the VKCTS test
is public, so let's merge the fix to make VKCTS green again locally.

Fixes dEQP-VK.shader_object.tessellation.*.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38209>
This commit is contained in:
Samuel Pitoiset 2024-11-12 18:31:09 +01:00 • committed by Marge Bot
parent 373faab109
commit c6d9b9b4e0
3 changed files with 15 additions and 3 deletions
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12
src/amd/vulkan/radv_cmd_buffer.c
View file

@ -6179,6 +6179,7 @@ radv_emit_tess_domain_origin_state(struct radv_cmd_buffer *cmd_buffer)
struct radv_device *device = radv_cmd_buffer_device(cmd_buffer);
const struct radv_physical_device *pdev = radv_device_physical(device);
const struct radv_shader *tes = radv_get_shader(cmd_buffer->state.shaders, MESA_SHADER_TESS_EVAL);
const struct radv_shader *tcs = cmd_buffer->state.shaders[MESA_SHADER_TESS_CTRL];
const struct radv_dynamic_state *d = &cmd_buffer->state.dynamic;
unsigned type = 0, partitioning = 0;
unsigned topology;
@ -6200,7 +6201,10 @@ radv_emit_tess_domain_origin_state(struct radv_cmd_buffer *cmd_buffer)
UNREACHABLE("Invalid tess primitive type");
}
switch (tes->info.tes.spacing) {
const uint32_t tess_spacing =
tes->info.tes.spacing == TESS_SPACING_UNSPECIFIED ? tcs->info.tcs.spacing : tes->info.tes.spacing;
switch (tess_spacing) {
case TESS_SPACING_EQUAL:
partitioning = V_028B6C_PART_INTEGER;
break;
@ -6214,12 +6218,14 @@ radv_emit_tess_domain_origin_state(struct radv_cmd_buffer *cmd_buffer)
UNREACHABLE("Invalid tess spacing type");
}
if (tes->info.tes.point_mode) {
const bool point_mode = tes->info.tes.point_mode | tcs->info.tcs.point_mode;
if (point_mode) {
topology = V_028B6C_OUTPUT_POINT;
} else if (tes->info.tes._primitive_mode == TESS_PRIMITIVE_ISOLINES) {
topology = V_028B6C_OUTPUT_LINE;
} else {
bool ccw = tes->info.tes.ccw;
bool ccw = tes->info.tes.ccw | tcs->info.tcs.ccw;
if (d->vk.ts.domain_origin != VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT) {
ccw = !ccw;

3
src/amd/vulkan/radv_shader_info.c
View file

@ -589,6 +589,9 @@ gather_shader_info_tcs(struct radv_device *device, const nir_shader *nir,
nir_gather_tcs_info(nir, &tcs_info, nir->info.tess._primitive_mode, nir->info.tess.spacing);
ac_nir_get_tess_io_info(nir, &tcs_info, ~0ull, ~0, map_output, true, &info->tcs.io_info);
info->tcs.spacing = nir->info.tess.spacing;
info->tcs.ccw = nir->info.tess.ccw;
info->tcs.point_mode = nir->info.tess.point_mode;
info->tcs.tcs_vertices_out = nir->info.tess.tcs_vertices_out;
info->tcs.tes_inputs_read = ~0ULL;
info->tcs.tes_patch_inputs_read = ~0ULL;

3
src/amd/vulkan/radv_shader_info.h
View file

@ -241,6 +241,9 @@ struct radv_shader_info {
uint32_t tcs_vertices_out;
uint32_t lds_size; /* in bytes */
uint8_t num_linked_inputs; /* Number of reserved per-vertex input slots in LDS. */
enum gl_tess_spacing spacing;
bool ccw;
bool point_mode;
bool tes_reads_tess_factors : 1;
} tcs;
struct {