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-rw-r--r--src/video_core/CMakeLists.txt3
-rw-r--r--src/video_core/engines/maxwell_3d.cpp45
-rw-r--r--src/video_core/textures/decoders.cpp14
-rw-r--r--src/video_core/textures/decoders.h20
-rw-r--r--src/video_core/textures/texture.h57
5 files changed, 139 insertions, 0 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index e56253c4c..8c0e6663b 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -31,6 +31,9 @@ add_library(video_core STATIC
renderer_opengl/gl_stream_buffer.h
renderer_opengl/renderer_opengl.cpp
renderer_opengl/renderer_opengl.h
+ textures/decoders.cpp
+ textures/decoders.h
+ textures/texture.h
utils.h
video_core.cpp
video_core.h
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 <cinttypes>
#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<size_t>(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<u32>& parameters) {
diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp
new file mode 100644
index 000000000..705e2e066
--- /dev/null
+++ b/src/video_core/textures/decoders.cpp
@@ -0,0 +1,14 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "video_core/textures/decoders.h"
+
+namespace Tegra {
+namespace Texture {
+
+std::vector<u8> DecodeTexture(VAddr address, TextureFormat format, u32 width, u32 height) {
+ return {};
+}
+}
+} // namespace Tegra
diff --git a/src/video_core/textures/decoders.h b/src/video_core/textures/decoders.h
new file mode 100644
index 000000000..e0d55600e
--- /dev/null
+++ b/src/video_core/textures/decoders.h
@@ -0,0 +1,20 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+#include "common/common_types.h"
+#include "video_core/textures/texture.h"
+
+namespace Tegra {
+namespace Texture {
+
+/**
+ * Decodes a swizzled texture into a RGBA8888 texture.
+ */
+std::vector<u8> DecodeTexture(VAddr address, TextureFormat format, u32 width, u32 height);
+
+} // namespace Texture
+} // namespace Tegra
diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h
new file mode 100644
index 000000000..3306d2ab2
--- /dev/null
+++ b/src/video_core/textures/texture.h
@@ -0,0 +1,57 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "video_core/memory_manager.h"
+
+namespace Tegra {
+namespace Texture {
+
+enum class TextureFormat : u32 {
+ DXT1 = 0x24,
+};
+
+union TextureHandle {
+ u32 raw;
+ BitField<0, 20, u32> tic_id;
+ BitField<20, 12, u32> tsc_id;
+};
+
+struct TICEntry {
+ union {
+ u32 raw;
+ BitField<0, 7, TextureFormat> format;
+ BitField<7, 3, u32> r_type;
+ BitField<10, 3, u32> g_type;
+ BitField<13, 3, u32> b_type;
+ BitField<16, 3, u32> a_type;
+ };
+ u32 address_low;
+ u16 address_high;
+ INSERT_PADDING_BYTES(6);
+ u16 width_minus_1;
+ INSERT_PADDING_BYTES(2);
+ u16 height_minus_1;
+ INSERT_PADDING_BYTES(10);
+
+ GPUVAddr Address() const {
+ return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) | address_low);
+ }
+
+ u32 Width() const {
+ return width_minus_1 + 1;
+ }
+
+ u32 Height() const {
+ return height_minus_1 + 1;
+ }
+};
+static_assert(sizeof(TICEntry) == 0x20, "TICEntry has wrong size");
+
+} // namespace Texture
+} // namespace Tegra