video_core: Implement opengl/vulkan draw_texture

src/video_core/CMakeLists.txt

@@ -99,6 +99,8 @@ add_library(video_core STATIC
     renderer_null/null_rasterizer.h
     renderer_null/renderer_null.cpp
     renderer_null/renderer_null.h
+    renderer_opengl/blit_image.cpp
+    renderer_opengl/blit_image.h
     renderer_opengl/gl_buffer_cache.cpp
     renderer_opengl/gl_buffer_cache.h
     renderer_opengl/gl_compute_pipeline.cpp

src/video_core/host_shaders/CMakeLists.txt

@@ -11,6 +11,7 @@ set(GLSL_INCLUDES
 
 set(SHADER_FILES
     astc_decoder.comp
+    blit_color_float.frag
     block_linear_unswizzle_2d.comp
     block_linear_unswizzle_3d.comp
     convert_abgr8_to_d24s8.frag
@@ -36,7 +37,6 @@ set(SHADER_FILES
     smaa_blending_weight_calculation.frag
     smaa_neighborhood_blending.vert
     smaa_neighborhood_blending.frag
-    vulkan_blit_color_float.frag
     vulkan_blit_depth_stencil.frag
     vulkan_fidelityfx_fsr_easu_fp16.comp
     vulkan_fidelityfx_fsr_easu_fp32.comp

src/video_core/host_shaders/full_screen_triangle.vert

@@ -4,13 +4,20 @@
 #version 450
 
 #ifdef VULKAN
+#define VERTEX_ID gl_VertexIndex
 #define BEGIN_PUSH_CONSTANTS layout(push_constant) uniform PushConstants {
 #define END_PUSH_CONSTANTS };
 #define UNIFORM(n)
+#define FLIPY 1
 #else // ^^^ Vulkan ^^^ // vvv OpenGL vvv
+#define VERTEX_ID gl_VertexID
 #define BEGIN_PUSH_CONSTANTS
 #define END_PUSH_CONSTANTS
+#define FLIPY -1
 #define UNIFORM(n) layout (location = n) uniform
+out gl_PerVertex {
+    vec4 gl_Position;
+};
 #endif
 
 BEGIN_PUSH_CONSTANTS
@@ -21,8 +28,8 @@ END_PUSH_CONSTANTS
 layout(location = 0) out vec2 texcoord;
 
 void main() {
-    float x = float((gl_VertexIndex & 1) << 2);
-    float y = float((gl_VertexIndex & 2) << 1);
-    gl_Position = vec4(x - 1.0, y - 1.0, 0.0, 1.0);
+    float x = float((VERTEX_ID & 1) << 2);
+    float y = float((VERTEX_ID & 2) << 1);
+    gl_Position = vec4(x - 1.0, FLIPY * (y - 1.0), 0.0, 1.0);
     texcoord = fma(vec2(x, y) / 2.0, tex_scale, tex_offset);
-}
+}

src/video_core/host_shaders/vulkan_blit_color_float.frag

@@ -1,13 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#version 450
-
-layout(binding = 0) uniform sampler2D tex;
-
-layout(location = 0) in vec2 texcoord;
-layout(location = 0) out vec4 color;
-
-void main() {
-    color = textureLod(tex, texcoord, 0);
-}

src/video_core/rasterizer_interface.h

@@ -46,6 +46,9 @@ public:
     /// Dispatches an indirect draw invocation
     virtual void DrawIndirect() {}
 
+    /// Dispatches an draw texture invocation
+    virtual void DrawTexture() = 0;
+
     /// Clear the current framebuffer
     virtual void Clear(u32 layer_count) = 0;
 

src/video_core/renderer_null/null_rasterizer.cpp

@@ -21,6 +21,7 @@ RasterizerNull::RasterizerNull(Core::Memory::Memory& cpu_memory_, Tegra::GPU& gp
 RasterizerNull::~RasterizerNull() = default;
 
 void RasterizerNull::Draw(bool is_indexed, u32 instance_count) {}
+void RasterizerNull::DrawTexture() {}
 void RasterizerNull::Clear(u32 layer_count) {}
 void RasterizerNull::DispatchCompute() {}
 void RasterizerNull::ResetCounter(VideoCore::QueryType type) {}

src/video_core/renderer_null/null_rasterizer.h

@@ -31,6 +31,7 @@ public:
     ~RasterizerNull() override;
 
     void Draw(bool is_indexed, u32 instance_count) override;
+    void DrawTexture() override;
     void Clear(u32 layer_count) override;
     void DispatchCompute() override;
     void ResetCounter(VideoCore::QueryType type) override;

src/video_core/renderer_opengl/gl_device.cpp

@@ -166,6 +166,7 @@ Device::Device(Core::Frontend::EmuWindow& emu_window) {
     has_shader_int64 = HasExtension(extensions, "GL_ARB_gpu_shader_int64");
     has_amd_shader_half_float = GLAD_GL_AMD_gpu_shader_half_float;
     has_sparse_texture_2 = GLAD_GL_ARB_sparse_texture2;
+    has_draw_texture = GLAD_GL_NV_draw_texture;
     warp_size_potentially_larger_than_guest = !is_nvidia && !is_intel;
     need_fastmath_off = is_nvidia;
     can_report_memory = GLAD_GL_NVX_gpu_memory_info;

src/video_core/renderer_opengl/gl_device.h

@@ -4,6 +4,8 @@
 #pragma once
 
 #include <cstddef>
+#include <string>
+
 #include "common/common_types.h"
 #include "core/frontend/emu_window.h"
 #include "shader_recompiler/stage.h"
@@ -146,6 +148,10 @@ public:
         return has_sparse_texture_2;
     }
 
+    bool HasDrawTexture() const {
+        return has_draw_texture;
+    }
+
     bool IsWarpSizePotentiallyLargerThanGuest() const {
         return warp_size_potentially_larger_than_guest;
     }
@@ -216,6 +222,7 @@ private:
     bool has_shader_int64{};
     bool has_amd_shader_half_float{};
     bool has_sparse_texture_2{};
+    bool has_draw_texture{};
     bool warp_size_potentially_larger_than_guest{};
     bool need_fastmath_off{};
     bool has_cbuf_ftou_bug{};

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -64,7 +64,8 @@ RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& emu_window_, Tegra
       shader_cache(*this, emu_window_, device, texture_cache, buffer_cache, program_manager,
                    state_tracker, gpu.ShaderNotify()),
       query_cache(*this), accelerate_dma(buffer_cache),
-      fence_manager(*this, gpu, texture_cache, buffer_cache, query_cache) {}
+      fence_manager(*this, gpu, texture_cache, buffer_cache, query_cache),
+      blit_image(program_manager_) {}
 
 RasterizerOpenGL::~RasterizerOpenGL() = default;
 
@@ -318,6 +319,47 @@ void RasterizerOpenGL::DrawIndirect() {
     buffer_cache.SetDrawIndirect(nullptr);
 }
 
+void RasterizerOpenGL::DrawTexture() {
+    MICROPROFILE_SCOPE(OpenGL_Drawing);
+
+    SCOPE_EXIT({ gpu.TickWork(); });
+    query_cache.UpdateCounters();
+
+    texture_cache.SynchronizeGraphicsDescriptors();
+    texture_cache.UpdateRenderTargets(false);
+
+    SyncState();
+
+    const auto& draw_texture_state = maxwell3d->draw_manager->GetDrawTextureState();
+    const auto& sampler = texture_cache.GetGraphicsSampler(draw_texture_state.src_sampler);
+    const auto& texture = texture_cache.GetImageView(draw_texture_state.src_texture);
+
+    if (device.HasDrawTexture()) {
+        state_tracker.BindFramebuffer(texture_cache.GetFramebuffer()->Handle());
+
+        glDrawTextureNV(texture.DefaultHandle(), sampler->Handle(), draw_texture_state.dst_x0,
+                        draw_texture_state.dst_y0, draw_texture_state.dst_x1,
+                        draw_texture_state.dst_y1, 0,
+                        draw_texture_state.src_x0 / static_cast<float>(texture.size.width),
+                        draw_texture_state.src_y0 / static_cast<float>(texture.size.height),
+                        draw_texture_state.src_x1 / static_cast<float>(texture.size.width),
+                        draw_texture_state.src_y1 / static_cast<float>(texture.size.height));
+    } else {
+        Region2D dst_region = {Offset2D{.x = static_cast<s32>(draw_texture_state.dst_x0),
+                                        .y = static_cast<s32>(draw_texture_state.dst_y0)},
+                               Offset2D{.x = static_cast<s32>(draw_texture_state.dst_x1),
+                                        .y = static_cast<s32>(draw_texture_state.dst_y1)}};
+        Region2D src_region = {Offset2D{.x = static_cast<s32>(draw_texture_state.src_x0),
+                                        .y = static_cast<s32>(draw_texture_state.src_y0)},
+                               Offset2D{.x = static_cast<s32>(draw_texture_state.src_x1),
+                                        .y = static_cast<s32>(draw_texture_state.src_y1)}};
+        blit_image.BlitColor(texture_cache.GetFramebuffer()->Handle(), texture.DefaultHandle(),
+                             sampler->Handle(), dst_region, src_region, texture.size);
+    }
+
+    ++num_queued_commands;
+}
+
 void RasterizerOpenGL::DispatchCompute() {
     ComputePipeline* const pipeline{shader_cache.CurrentComputePipeline()};
     if (!pipeline) {

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -16,6 +16,7 @@
 #include "video_core/engines/maxwell_dma.h"
 #include "video_core/rasterizer_accelerated.h"
 #include "video_core/rasterizer_interface.h"
+#include "video_core/renderer_opengl/blit_image.h"
 #include "video_core/renderer_opengl/gl_buffer_cache.h"
 #include "video_core/renderer_opengl/gl_device.h"
 #include "video_core/renderer_opengl/gl_fence_manager.h"
@@ -70,6 +71,7 @@ public:
 
     void Draw(bool is_indexed, u32 instance_count) override;
     void DrawIndirect() override;
+    void DrawTexture() override;
     void Clear(u32 layer_count) override;
     void DispatchCompute() override;
     void ResetCounter(VideoCore::QueryType type) override;
@@ -224,6 +226,8 @@ private:
     AccelerateDMA accelerate_dma;
     FenceManagerOpenGL fence_manager;
 
+    BlitImageHelper blit_image;
+
     boost::container::static_vector<u32, MAX_IMAGE_VIEWS> image_view_indices;
     std::array<ImageViewId, MAX_IMAGE_VIEWS> image_view_ids;
     boost::container::static_vector<GLuint, MAX_TEXTURES> sampler_handles;

src/video_core/renderer_opengl/gl_shader_manager.cpp

@@ -1,2 +1,123 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <glad/glad.h>
+
+#include "video_core/renderer_opengl/gl_shader_manager.h"
+
+namespace OpenGL {
+
+static constexpr std::array ASSEMBLY_PROGRAM_ENUMS{
+    GL_VERTEX_PROGRAM_NV,   GL_TESS_CONTROL_PROGRAM_NV, GL_TESS_EVALUATION_PROGRAM_NV,
+    GL_GEOMETRY_PROGRAM_NV, GL_FRAGMENT_PROGRAM_NV,
+};
+
+ProgramManager::ProgramManager(const Device& device) {
+    glCreateProgramPipelines(1, &pipeline.handle);
+    if (device.UseAssemblyShaders()) {
+        glEnable(GL_COMPUTE_PROGRAM_NV);
+    }
+}
+
+void ProgramManager::BindComputeProgram(GLuint program) {
+    glUseProgram(program);
+    is_compute_bound = true;
+}
+
+void ProgramManager::BindComputeAssemblyProgram(GLuint program) {
+    if (current_assembly_compute_program != program) {
+        current_assembly_compute_program = program;
+        glBindProgramARB(GL_COMPUTE_PROGRAM_NV, program);
+    }
+    UnbindPipeline();
+}
+
+void ProgramManager::BindSourcePrograms(std::span<const OGLProgram, NUM_STAGES> programs) {
+    static constexpr std::array<GLenum, 5> stage_enums{
+        GL_VERTEX_SHADER_BIT,   GL_TESS_CONTROL_SHADER_BIT, GL_TESS_EVALUATION_SHADER_BIT,
+        GL_GEOMETRY_SHADER_BIT, GL_FRAGMENT_SHADER_BIT,
+    };
+    for (size_t stage = 0; stage < NUM_STAGES; ++stage) {
+        if (current_programs[stage] != programs[stage].handle) {
+            current_programs[stage] = programs[stage].handle;
+            glUseProgramStages(pipeline.handle, stage_enums[stage], programs[stage].handle);
+        }
+    }
+    BindPipeline();
+}
+
+void ProgramManager::BindPresentPrograms(GLuint vertex, GLuint fragment) {
+    if (current_programs[0] != vertex) {
+        current_programs[0] = vertex;
+        glUseProgramStages(pipeline.handle, GL_VERTEX_SHADER_BIT, vertex);
+    }
+    if (current_programs[4] != fragment) {
+        current_programs[4] = fragment;
+        glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, fragment);
+    }
+    glUseProgramStages(
+        pipeline.handle,
+        GL_TESS_CONTROL_SHADER_BIT | GL_TESS_EVALUATION_SHADER_BIT | GL_GEOMETRY_SHADER_BIT, 0);
+    current_programs[1] = 0;
+    current_programs[2] = 0;
+    current_programs[3] = 0;
+
+    if (current_stage_mask != 0) {
+        current_stage_mask = 0;
+        for (const GLenum program_type : ASSEMBLY_PROGRAM_ENUMS) {
+            glDisable(program_type);
+        }
+    }
+    BindPipeline();
+}
+
+void ProgramManager::BindAssemblyPrograms(std::span<const OGLAssemblyProgram, NUM_STAGES> programs,
+                                          u32 stage_mask) {
+    const u32 changed_mask = current_stage_mask ^ stage_mask;
+    current_stage_mask = stage_mask;
+
+    if (changed_mask != 0) {
+        for (size_t stage = 0; stage < NUM_STAGES; ++stage) {
+            if (((changed_mask >> stage) & 1) != 0) {
+                if (((stage_mask >> stage) & 1) != 0) {
+                    glEnable(ASSEMBLY_PROGRAM_ENUMS[stage]);
+                } else {
+                    glDisable(ASSEMBLY_PROGRAM_ENUMS[stage]);
+                }
+            }
+        }
+    }
+    for (size_t stage = 0; stage < NUM_STAGES; ++stage) {
+        if (current_programs[stage] != programs[stage].handle) {
+            current_programs[stage] = programs[stage].handle;
+            glBindProgramARB(ASSEMBLY_PROGRAM_ENUMS[stage], programs[stage].handle);
+        }
+    }
+    UnbindPipeline();
+}
+
+void ProgramManager::RestoreGuestCompute() {}
+
+void ProgramManager::BindPipeline() {
+    if (!is_pipeline_bound) {
+        is_pipeline_bound = true;
+        glBindProgramPipeline(pipeline.handle);
+    }
+    UnbindCompute();
+}
+
+void ProgramManager::UnbindPipeline() {
+    if (is_pipeline_bound) {
+        is_pipeline_bound = false;
+        glBindProgramPipeline(0);
+    }
+    UnbindCompute();
+}
+
+void ProgramManager::UnbindCompute() {
+    if (is_compute_bound) {
+        is_compute_bound = false;
+        glUseProgram(0);
+    }
+}
+} // namespace OpenGL

src/video_core/renderer_opengl/gl_shader_manager.h

@@ -6,8 +6,6 @@
 #include <array>
 #include <span>
 
-#include <glad/glad.h>
-
 #include "video_core/renderer_opengl/gl_device.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
 
@@ -16,121 +14,28 @@ namespace OpenGL {
 class ProgramManager {
     static constexpr size_t NUM_STAGES = 5;
 
-    static constexpr std::array ASSEMBLY_PROGRAM_ENUMS{
-        GL_VERTEX_PROGRAM_NV,   GL_TESS_CONTROL_PROGRAM_NV, GL_TESS_EVALUATION_PROGRAM_NV,
-        GL_GEOMETRY_PROGRAM_NV, GL_FRAGMENT_PROGRAM_NV,
-    };
-
 public:
-    explicit ProgramManager(const Device& device) {
-        glCreateProgramPipelines(1, &pipeline.handle);
-        if (device.UseAssemblyShaders()) {
-            glEnable(GL_COMPUTE_PROGRAM_NV);
-        }
-    }
-
-    void BindComputeProgram(GLuint program) {
-        glUseProgram(program);
-        is_compute_bound = true;
-    }
-
-    void BindComputeAssemblyProgram(GLuint program) {
-        if (current_assembly_compute_program != program) {
-            current_assembly_compute_program = program;
-            glBindProgramARB(GL_COMPUTE_PROGRAM_NV, program);
-        }
-        UnbindPipeline();
-    }
-
-    void BindSourcePrograms(std::span<const OGLProgram, NUM_STAGES> programs) {
-        static constexpr std::array<GLenum, 5> stage_enums{
-            GL_VERTEX_SHADER_BIT,   GL_TESS_CONTROL_SHADER_BIT, GL_TESS_EVALUATION_SHADER_BIT,
-            GL_GEOMETRY_SHADER_BIT, GL_FRAGMENT_SHADER_BIT,
-        };
-        for (size_t stage = 0; stage < NUM_STAGES; ++stage) {
-            if (current_programs[stage] != programs[stage].handle) {
-                current_programs[stage] = programs[stage].handle;
-                glUseProgramStages(pipeline.handle, stage_enums[stage], programs[stage].handle);
-            }
-        }
-        BindPipeline();
-    }
-
-    void BindPresentPrograms(GLuint vertex, GLuint fragment) {
-        if (current_programs[0] != vertex) {
-            current_programs[0] = vertex;
-            glUseProgramStages(pipeline.handle, GL_VERTEX_SHADER_BIT, vertex);
-        }
-        if (current_programs[4] != fragment) {
-            current_programs[4] = fragment;
-            glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, fragment);
-        }
-        glUseProgramStages(
-            pipeline.handle,
-            GL_TESS_CONTROL_SHADER_BIT | GL_TESS_EVALUATION_SHADER_BIT | GL_GEOMETRY_SHADER_BIT, 0);
-        current_programs[1] = 0;
-        current_programs[2] = 0;
-        current_programs[3] = 0;
-
-        if (current_stage_mask != 0) {
-            current_stage_mask = 0;
-            for (const GLenum program_type : ASSEMBLY_PROGRAM_ENUMS) {
-                glDisable(program_type);
-            }
-        }
-        BindPipeline();
-    }
+    explicit ProgramManager(const Device& device);
+
+    void BindComputeProgram(GLuint program);
+
+    void BindComputeAssemblyProgram(GLuint program);
+
+    void BindSourcePrograms(std::span<const OGLProgram, NUM_STAGES> programs);
+
+    void BindPresentPrograms(GLuint vertex, GLuint fragment);
 
     void BindAssemblyPrograms(std::span<const OGLAssemblyProgram, NUM_STAGES> programs,
-                              u32 stage_mask) {
-        const u32 changed_mask = current_stage_mask ^ stage_mask;
-        current_stage_mask = stage_mask;
-
-        if (changed_mask != 0) {
-            for (size_t stage = 0; stage < NUM_STAGES; ++stage) {
-                if (((changed_mask >> stage) & 1) != 0) {
-                    if (((stage_mask >> stage) & 1) != 0) {
-                        glEnable(ASSEMBLY_PROGRAM_ENUMS[stage]);
-                    } else {
-                        glDisable(ASSEMBLY_PROGRAM_ENUMS[stage]);
-                    }
-                }
-            }
-        }
-        for (size_t stage = 0; stage < NUM_STAGES; ++stage) {
-            if (current_programs[stage] != programs[stage].handle) {
-                current_programs[stage] = programs[stage].handle;
-                glBindProgramARB(ASSEMBLY_PROGRAM_ENUMS[stage], programs[stage].handle);
-            }
-        }
-        UnbindPipeline();
-    }
-
-    void RestoreGuestCompute() {}
+                              u32 stage_mask);
+
+    void RestoreGuestCompute();
 
 private:
-    void BindPipeline() {
-        if (!is_pipeline_bound) {
-            is_pipeline_bound = true;
-            glBindProgramPipeline(pipeline.handle);
-        }
-        UnbindCompute();
-    }
-
-    void UnbindPipeline() {
-        if (is_pipeline_bound) {
-            is_pipeline_bound = false;
-            glBindProgramPipeline(0);
-        }
-        UnbindCompute();
-    }
-
-    void UnbindCompute() {
-        if (is_compute_bound) {
-            is_compute_bound = false;
-            glUseProgram(0);
-        }
-    }
+    void BindPipeline();
+
+    void UnbindPipeline();
+
+    void UnbindCompute();
 
     OGLPipeline pipeline;
     bool is_pipeline_bound{};

src/video_core/renderer_vulkan/blit_image.cpp

@@ -4,13 +4,13 @@
 #include <algorithm>
 
 #include "common/settings.h"
+#include "video_core/host_shaders/blit_color_float_frag_spv.h"
 #include "video_core/host_shaders/convert_abgr8_to_d24s8_frag_spv.h"
 #include "video_core/host_shaders/convert_d24s8_to_abgr8_frag_spv.h"
 #include "video_core/host_shaders/convert_depth_to_float_frag_spv.h"
 #include "video_core/host_shaders/convert_float_to_depth_frag_spv.h"
 #include "video_core/host_shaders/convert_s8d24_to_abgr8_frag_spv.h"
 #include "video_core/host_shaders/full_screen_triangle_vert_spv.h"
-#include "video_core/host_shaders/vulkan_blit_color_float_frag_spv.h"
 #include "video_core/host_shaders/vulkan_blit_depth_stencil_frag_spv.h"
 #include "video_core/renderer_vulkan/blit_image.h"
 #include "video_core/renderer_vulkan/maxwell_to_vk.h"
@@ -303,7 +303,7 @@ void UpdateTwoTexturesDescriptorSet(const Device& device, VkDescriptorSet descri
 }
 
 void BindBlitState(vk::CommandBuffer cmdbuf, VkPipelineLayout layout, const Region2D& dst_region,
-                   const Region2D& src_region) {
+                   const Region2D& src_region, const Extent3D& src_size = {1, 1, 1}) {
     const VkOffset2D offset{
         .x = std::min(dst_region.start.x, dst_region.end.x),
         .y = std::min(dst_region.start.y, dst_region.end.y),
@@ -325,12 +325,15 @@ void BindBlitState(vk::CommandBuffer cmdbuf, VkPipelineLayout layout, const Regi
         .offset = offset,
         .extent = extent,
     };
-    const float scale_x = static_cast<float>(src_region.end.x - src_region.start.x);
-    const float scale_y = static_cast<float>(src_region.end.y - src_region.start.y);
+    const float scale_x = static_cast<float>(src_region.end.x - src_region.start.x) /
+                          static_cast<float>(src_size.width);
+    const float scale_y = static_cast<float>(src_region.end.y - src_region.start.y) /
+                          static_cast<float>(src_size.height);
     const PushConstants push_constants{
         .tex_scale = {scale_x, scale_y},
-        .tex_offset = {static_cast<float>(src_region.start.x),
-                       static_cast<float>(src_region.start.y)},
+        .tex_offset = {static_cast<float>(src_region.start.x) / static_cast<float>(src_size.width),
+                       static_cast<float>(src_region.start.y) /
+                           static_cast<float>(src_size.height)},
     };
     cmdbuf.SetViewport(0, viewport);
     cmdbuf.SetScissor(0, scissor);
@@ -365,7 +368,7 @@ BlitImageHelper::BlitImageHelper(const Device& device_, Scheduler& scheduler_,
       two_textures_pipeline_layout(device.GetLogical().CreatePipelineLayout(
           PipelineLayoutCreateInfo(two_textures_set_layout.address()))),
       full_screen_vert(BuildShader(device, FULL_SCREEN_TRIANGLE_VERT_SPV)),
-      blit_color_to_color_frag(BuildShader(device, VULKAN_BLIT_COLOR_FLOAT_FRAG_SPV)),
+      blit_color_to_color_frag(BuildShader(device, BLIT_COLOR_FLOAT_FRAG_SPV)),
       blit_depth_stencil_frag(BuildShader(device, VULKAN_BLIT_DEPTH_STENCIL_FRAG_SPV)),
       convert_depth_to_float_frag(BuildShader(device, CONVERT_DEPTH_TO_FLOAT_FRAG_SPV)),
       convert_float_to_depth_frag(BuildShader(device, CONVERT_FLOAT_TO_DEPTH_FRAG_SPV)),
@@ -404,6 +407,30 @@ void BlitImageHelper::BlitColor(const Framebuffer* dst_framebuffer, VkImageView
     scheduler.InvalidateState();
 }
 
+void BlitImageHelper::BlitColor(const Framebuffer* dst_framebuffer, VkImageView src_image_view,
+                                VkSampler src_sampler, const Region2D& dst_region,
+                                const Region2D& src_region, const Extent3D& src_size) {
+    const BlitImagePipelineKey key{
+        .renderpass = dst_framebuffer->RenderPass(),
+        .operation = Tegra::Engines::Fermi2D::Operation::SrcCopy,
+    };
+    const VkPipelineLayout layout = *one_texture_pipeline_layout;
+    const VkPipeline pipeline = FindOrEmplaceColorPipeline(key);
+    scheduler.RequestRenderpass(dst_framebuffer);
+    scheduler.Record([this, dst_region, src_region, src_size, pipeline, layout, src_sampler,
+                      src_image_view](vk::CommandBuffer cmdbuf) {
+        // TODO: Barriers
+        const VkDescriptorSet descriptor_set = one_texture_descriptor_allocator.Commit();
+        UpdateOneTextureDescriptorSet(device, descriptor_set, src_sampler, src_image_view);
+        cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
+        cmdbuf.BindDescriptorSets(VK_PIPELINE_BIND_POINT_GRAPHICS, layout, 0, descriptor_set,
+                                  nullptr);
+        BindBlitState(cmdbuf, layout, dst_region, src_region, src_size);
+        cmdbuf.Draw(3, 1, 0, 0);
+    });
+    scheduler.InvalidateState();
+}
+
 void BlitImageHelper::BlitDepthStencil(const Framebuffer* dst_framebuffer,
                                        VkImageView src_depth_view, VkImageView src_stencil_view,
                                        const Region2D& dst_region, const Region2D& src_region,

src/video_core/renderer_vulkan/blit_image.h

@@ -10,6 +10,8 @@
 
 namespace Vulkan {
 
+using VideoCommon::Extent3D;
+using VideoCommon::Offset2D;
 using VideoCommon::Region2D;
 
 class Device;
@@ -36,6 +38,10 @@ public:
                    Tegra::Engines::Fermi2D::Filter filter,
                    Tegra::Engines::Fermi2D::Operation operation);
 
+    void BlitColor(const Framebuffer* dst_framebuffer, VkImageView src_image_view,
+                   VkSampler src_sampler, const Region2D& dst_region, const Region2D& src_region,
+                   const Extent3D& src_size);
+
     void BlitDepthStencil(const Framebuffer* dst_framebuffer, VkImageView src_depth_view,
                           VkImageView src_stencil_view, const Region2D& dst_region,
                           const Region2D& src_region, Tegra::Engines::Fermi2D::Filter filter,

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -265,6 +265,34 @@ void RasterizerVulkan::DrawIndirect() {
     buffer_cache.SetDrawIndirect(nullptr);
 }
 
+void RasterizerVulkan::DrawTexture() {
+    MICROPROFILE_SCOPE(Vulkan_Drawing);
+
+    SCOPE_EXIT({ gpu.TickWork(); });
+    FlushWork();
+
+    query_cache.UpdateCounters();
+
+    texture_cache.SynchronizeGraphicsDescriptors();
+    texture_cache.UpdateRenderTargets(false);
+
+    UpdateDynamicStates();
+
+    const auto& draw_texture_state = maxwell3d->draw_manager->GetDrawTextureState();
+    const auto& sampler = texture_cache.GetGraphicsSampler(draw_texture_state.src_sampler);
+    const auto& texture = texture_cache.GetImageView(draw_texture_state.src_texture);
+    Region2D dst_region = {Offset2D{.x = static_cast<s32>(draw_texture_state.dst_x0),
+                                    .y = static_cast<s32>(draw_texture_state.dst_y0)},
+                           Offset2D{.x = static_cast<s32>(draw_texture_state.dst_x1),
+                                    .y = static_cast<s32>(draw_texture_state.dst_y1)}};
+    Region2D src_region = {Offset2D{.x = static_cast<s32>(draw_texture_state.src_x0),
+                                    .y = static_cast<s32>(draw_texture_state.src_y0)},
+                           Offset2D{.x = static_cast<s32>(draw_texture_state.src_x1),
+                                    .y = static_cast<s32>(draw_texture_state.src_y1)}};
+    blit_image.BlitColor(texture_cache.GetFramebuffer(), texture.RenderTarget(), sampler->Handle(),
+                         dst_region, src_region, texture.size);
+}
+
 void RasterizerVulkan::Clear(u32 layer_count) {
     MICROPROFILE_SCOPE(Vulkan_Clearing);
 

src/video_core/renderer_vulkan/vk_rasterizer.h

@@ -66,6 +66,7 @@ public:
 
     void Draw(bool is_indexed, u32 instance_count) override;
     void DrawIndirect() override;
+    void DrawTexture() override;
     void Clear(u32 layer_count) override;
     void DispatchCompute() override;
     void ResetCounter(VideoCore::QueryType type) override;

src/video_core/texture_cache/texture_cache.h

@@ -148,6 +148,13 @@ typename P::ImageView& TextureCache<P>::GetImageView(ImageViewId id) noexcept {
     return slot_image_views[id];
 }
 
+template <class P>
+typename P::ImageView& TextureCache<P>::GetImageView(u32 index) noexcept {
+    const auto image_view_id = VisitImageView(channel_state->graphics_image_table,
+                                              channel_state->graphics_image_view_ids, index);
+    return slot_image_views[image_view_id];
+}
+
 template <class P>
 void TextureCache<P>::MarkModification(ImageId id) noexcept {
     MarkModification(slot_images[id]);

src/video_core/texture_cache/texture_cache_base.h

@@ -129,6 +129,9 @@ public:
     /// Return a reference to the given image view id
     [[nodiscard]] ImageView& GetImageView(ImageViewId id) noexcept;
 
+    /// Get the imageview from the graphics descriptor table in the specified index
+    [[nodiscard]] ImageView& GetImageView(u32 index) noexcept;
+
     /// Mark an image as modified from the GPU
     void MarkModification(ImageId id) noexcept;