radv,aco: implement 64-bit vertex inputs

Note that, from 22.4.1. Vertex Input Extraction of Vulkan spec:
The input variable in the shader must be declared as a 64-bit data type if
and only if format is a 64-bit data type.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17894>
This commit is contained in:
Rhys Perry
2022-08-02 15:10:50 +01:00
committed by Marge Bot
parent 813468c43c
commit 96df4499ac
9 changed files with 108 additions and 42 deletions

View File

@@ -355,10 +355,10 @@ radv_get_sampler_desc(struct ac_shader_abi *abi, unsigned descriptor_set, unsign
static LLVMValueRef
radv_fixup_vertex_input_fetches(struct radv_shader_context *ctx, LLVMValueRef value,
unsigned num_channels, bool is_float)
unsigned num_channels, bool is_float, bool is_64bit)
{
LLVMValueRef zero = is_float ? ctx->ac.f32_0 : ctx->ac.i32_0;
LLVMValueRef one = is_float ? ctx->ac.f32_1 : ctx->ac.i32_1;
LLVMValueRef zero = is_64bit ? ctx->ac.i64_0 : (is_float ? ctx->ac.f32_0 : ctx->ac.i32_0);
LLVMValueRef one = is_64bit ? ctx->ac.i64_0 : (is_float ? ctx->ac.f32_1 : ctx->ac.i32_1);
LLVMValueRef chan[4];
if (LLVMGetTypeKind(LLVMTypeOf(value)) == LLVMVectorTypeKind) {
@@ -446,8 +446,10 @@ load_vs_input(struct radv_shader_context *ctx, unsigned driver_location, LLVMTyp
* dynamic) is unaligned and also if the VBO offset is aligned to a scalar (eg. stride is 8 and
* VBO offset is 2 for R16G16B16A16_SNORM).
*/
unsigned chan_dwords = vtx_info->chan_byte_size == 8 ? 2 : 1;
if (((ctx->ac.gfx_level == GFX6 || ctx->ac.gfx_level >= GFX10) && vtx_info->chan_byte_size) ||
!(vtx_info->has_hw_format & BITFIELD_BIT(vtx_info->num_channels - 1))) {
!(vtx_info->has_hw_format & BITFIELD_BIT(vtx_info->num_channels - 1)) ||
vtx_info->element_size > 16) {
unsigned chan_format = vtx_info->hw_format[0] & 0xf;
LLVMValueRef values[4];
@@ -466,7 +468,7 @@ load_vs_input(struct radv_shader_context *ctx, unsigned driver_location, LLVMTyp
values[chan] = ac_build_struct_tbuffer_load(
&ctx->ac, t_list, chan_index, LLVMConstInt(ctx->ac.i32, chan_offset, false),
ctx->ac.i32_0, 1, chan_format, num_format, 0, true);
ctx->ac.i32_0, chan_dwords, chan_format, num_format, 0, true);
}
input = ac_build_gather_values(&ctx->ac, values, num_channels);
@@ -482,10 +484,15 @@ load_vs_input(struct radv_shader_context *ctx, unsigned driver_location, LLVMTyp
input = ac_build_struct_tbuffer_load(
&ctx->ac, t_list, buffer_index, LLVMConstInt(ctx->ac.i32, attrib_offset, false),
ctx->ac.i32_0, num_channels, data_format, num_format, 0, true);
ctx->ac.i32_0, num_channels * chan_dwords, data_format, num_format, 0, true);
}
input = radv_fixup_vertex_input_fetches(ctx, input, num_channels, is_float);
if (vtx_info->chan_byte_size == 8)
input =
LLVMBuildBitCast(ctx->ac.builder, input, LLVMVectorType(ctx->ac.i64, num_channels), "");
input = radv_fixup_vertex_input_fetches(ctx, input, num_channels, is_float,
vtx_info->chan_byte_size == 8);
for (unsigned chan = 0; chan < 4; chan++) {
LLVMValueRef llvm_chan = LLVMConstInt(ctx->ac.i32, chan, false);