From 71ebc3e90da9882139d2a5695ca1ed59ea77e94f Mon Sep 17 00:00:00 2001 From: Subv Date: Mon, 19 Mar 2018 18:00:29 -0500 Subject: GPU: Preliminary work for texture decoding. --- src/video_core/engines/maxwell_3d.cpp | 45 +++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) (limited to 'src/video_core/engines') diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp index 4d9745e48..ca1b150a7 100644 --- a/src/video_core/engines/maxwell_3d.cpp +++ b/src/video_core/engines/maxwell_3d.cpp @@ -2,8 +2,11 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include #include "common/assert.h" #include "video_core/engines/maxwell_3d.h" +#include "video_core/textures/decoders.h" +#include "video_core/textures/texture.h" namespace Tegra { namespace Engines { @@ -160,6 +163,48 @@ void Maxwell3D::ProcessQueryGet() { void Maxwell3D::DrawArrays() { LOG_WARNING(HW_GPU, "Game requested a DrawArrays, ignoring"); + + auto& fragment_shader = state.shader_stages[static_cast(Regs::ShaderStage::Fragment)]; + auto& tex_info_buffer = fragment_shader.const_buffers[regs.tex_cb_index]; + ASSERT(tex_info_buffer.enabled && tex_info_buffer.address != 0); + + GPUVAddr tic_base_address = regs.tic.TICAddress(); + + GPUVAddr tex_info_buffer_end = tex_info_buffer.address + tex_info_buffer.size; + + for (GPUVAddr current_texture = tex_info_buffer.address + 0x20; + current_texture < tex_info_buffer_end; current_texture += 4) { + + Texture::TextureHandle tex_info{ + Memory::Read32(memory_manager.PhysicalToVirtualAddress(current_texture))}; + + if (tex_info.tic_id != 0 || tex_info.tsc_id != 0) { + GPUVAddr tic_address_gpu = + tic_base_address + tex_info.tic_id * sizeof(Texture::TICEntry); + VAddr tic_address_cpu = memory_manager.PhysicalToVirtualAddress(tic_address_gpu); + + Texture::TICEntry tic_entry; + Memory::ReadBlock(tic_address_cpu, &tic_entry, sizeof(Texture::TICEntry)); + + auto r_type = tic_entry.r_type.Value(); + auto g_type = tic_entry.g_type.Value(); + auto b_type = tic_entry.b_type.Value(); + auto a_type = tic_entry.a_type.Value(); + + // TODO(Subv): Different data types for separate components are not supported + ASSERT(r_type == g_type && r_type == b_type && r_type == a_type); + + auto format = tic_entry.format.Value(); + + auto texture = Texture::DecodeTexture( + memory_manager.PhysicalToVirtualAddress(tic_entry.Address()), + tic_entry.format.Value(), tic_entry.Width(), tic_entry.Height()); + + LOG_CRITICAL(HW_GPU, + "Fragment shader using texture TIC %08X TSC %08X at address %016" PRIX64, + tex_info.tic_id.Value(), tex_info.tsc_id.Value(), tic_entry.Address()); + } + } } void Maxwell3D::BindTextureInfoBuffer(const std::vector& parameters) { -- cgit v1.2.3