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metal: bind and sample from texture

This commit is contained in:
Samuliak 2024-04-09 15:23:44 +02:00
parent a00d9a9027
commit 0a2227d1f8
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2 changed files with 55 additions and 2 deletions

View File

@ -2,6 +2,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
#include <iostream>
#include <span>
#include <boost/container/small_vector.hpp>
@ -70,6 +71,56 @@ void GraphicsPipeline::Configure(bool is_indexed) {
command_recorder.BeginOrContinueRenderPass(framebuffer->GetHandle());
command_recorder.GetRenderCommandEncoder()->setRenderPipelineState(pipeline_state);
// Bind resources
// HACK: try to find a texture that we can bind
size_t stage = 4;
// const auto& cbufs{maxwell3d->state.shader_stages[stage].const_buffers};
const auto read_handle{[&](const auto& desc, u32 index) {
/*
ASSERT(cbufs[desc.cbuf_index].enabled);
const u32 index_offset{index << desc.size_shift};
const u32 offset{desc.cbuf_offset + index_offset};
const GPUVAddr addr{cbufs[desc.cbuf_index].address + offset};
if constexpr (std::is_same_v<decltype(desc), const Shader::TextureDescriptor&> ||
std::is_same_v<decltype(desc), const Shader::TextureBufferDescriptor&>) {
if (desc.has_secondary) {
ASSERT(cbufs[desc.secondary_cbuf_index].enabled);
const u32 second_offset{desc.secondary_cbuf_offset + index_offset};
const GPUVAddr separate_addr{cbufs[desc.secondary_cbuf_index].address +
second_offset};
const u32 lhs_raw{gpu_memory->Read<u32>(addr) << desc.shift_left};
const u32 rhs_raw{gpu_memory->Read<u32>(separate_addr)
<< desc.secondary_shift_left};
const u32 raw{lhs_raw | rhs_raw};
return TexturePair(raw, false);
}
}
*/
// HACK: hardcode the texture address
return TexturePair(/*gpu_memory->Read<u32>(addr)*/ 310378932, false);
}};
const Shader::Info& info{stage_infos[stage]};
std::array<VideoCommon::ImageViewInOut, 32> views;
size_t view_index{};
for (const auto& desc : info.texture_descriptors) {
for (u32 index = 0; index < desc.count; ++index) {
const auto handle{read_handle(desc, index)};
views[view_index++] = {
.index = handle.first,
.blacklist = false,
.id = {},
};
}
}
texture_cache.FillGraphicsImageViews<true>(std::span(views.data(), view_index));
VideoCommon::ImageViewInOut* texture_buffer_it{views.data()};
ImageView& image_view{texture_cache.GetImageView(texture_buffer_it->id)};
command_recorder.GetRenderCommandEncoder()->setFragmentTexture(image_view.GetHandle(), 0);
}
void GraphicsPipeline::MakePipeline(MTL::RenderPassDescriptor* render_pass) {

View File

@ -298,8 +298,10 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
return out;
}
fragment float4 fragmentMain(VertexOut in [[stage_in]]) {
return float4(in.texCoord, 0.0, 1.0);
fragment float4 fragmentMain(VertexOut in [[stage_in]], texture2d<float> tex [[texture(0)]]) {
constexpr sampler samplr(mip_filter::linear, mag_filter::linear, min_filter::linear);
return tex.sample(samplr, in.texCoord);
}
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