Video: add watermark to vulkan

Author: N3xoX1

src/host_shaders/host_shaders.vcxproj

@@ -353,6 +353,20 @@
       <Command>call "$(SolutionDir)src\script\generate_spc_header.cmd" "$(OutDir)" "%(FullPath)"</Command>
       <Outputs>$(SolutionDir)src\yuzu_video_core\host_shaders\%(Filename)_vert_spv.h</Outputs>
     </CustomBuild>
+    <CustomBuild Include="..\yuzu_video_core\host_shaders\watermark.vert">
+      <FileType>Document</FileType>
+      <Message>Compiling %(Filename)%(Extension)</Message>
+      <Command>call "$(SolutionDir)src\script\generate_spc_header.cmd" "$(OutDir)" "%(FullPath)"</Command>
+      <Outputs>$(SolutionDir)src\yuzu_video_core\host_shaders\%(Filename)_vert_spv.h</Outputs>
+    </CustomBuild>
+    <CustomBuild Include="..\yuzu_video_core\host_shaders\watermark.frag">
+      <FileType>Document</FileType>
+      <Outputs>$(SolutionDir)src\yuzu_video_core\host_shaders\%(Filename)_frag.h</Outputs>
+      <Message>Compiling %(Filename)%(Extension)</Message>
+      <Command>call "$(SolutionDir)src\script\generate_shader_spc_header.cmd" "$(OutDir)" "%(FullPath)"
+</Command>
+      <Outputs>$(SolutionDir)src\yuzu_video_core\host_shaders\%(Filename)_frag.h;$(SolutionDir)src\yuzu_video_core\host_shaders\%(Filename)_frag_spv.h</Outputs>
+    </CustomBuild>
   </ItemGroup>
   <ItemGroup>
     <CustomBuild Include="..\yuzu_video_core\host_shaders\opengl_smaa.glsl">

src/host_shaders/host_shaders.vcxproj.filters

@@ -193,4 +193,9 @@
       <UniqueIdentifier>{5da5dfe3-1ad8-4805-9f8d-6554c3c53fca}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="..\yuzu_video_core\host_shaders\watermark.vert">
+      <Filter>vert</Filter>
+    </None>
+  </ItemGroup>
 </Project>

src/nxemu-core/nxemu-core.vcxproj

@@ -25,7 +25,7 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <UseStandardPreprocessor>true</UseStandardPreprocessor>
-      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">$(SolutionDir)external\fmt\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)external\fmt\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <PreBuildEvent>
       <Command>"$(SolutionDir)src\script\update_version.cmd" "$(Configuration)" "$(Platform)" "$(SolutionDir)src\nxemu-core\version.h.in" "$(SolutionDir)src\nxemu-core\version.h"</Command>

src/nxemu-video/render_window.cpp

@@ -132,7 +132,7 @@ std::unique_ptr<Core::Frontend::GraphicsContext> RenderWindow::CreateSharedConte
 
 bool RenderWindow::IsShown() const
 {
-    return false;
+    return true;
 }
 
 void RenderWindow::LoadOpenGL()

src/yuzu_video_core/host_shaders/watermark.frag

@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#version 460 core
+
+layout(location = 0) in vec2 tex_coord;
+layout(location = 0) out vec4 frag_color;
+
+layout(set = 0, binding = 0) uniform sampler2D watermark_texture;
+
+layout(push_constant) uniform PushConstants {
+    vec4 alpha_data;  // Use vec4 like yuzu does
+};
+
+void main() {
+    vec4 tex_color = texture(watermark_texture, tex_coord);
+    frag_color = vec4(tex_color.rgb, tex_color.a * alpha_data.x);
+}

src/yuzu_video_core/host_shaders/watermark.vert

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#version 460 core
+
+layout(location = 0) in vec2 in_position;
+layout(location = 1) in vec2 in_tex_coord;
+
+layout(location = 0) out vec2 tex_coord;
+
+void main() {
+    gl_Position = vec4(in_position, 0.0, 1.0);
+    tex_coord = in_tex_coord;
+}

src/yuzu_video_core/renderer_opengl/renderer_opengl.cpp

@@ -182,7 +182,7 @@ void RendererOpenGL::InitializeWatermark()
     while (glGetError() != GL_NO_ERROR) {}
 
     int channels;
-    unsigned char * image_data = stbi_load_from_memory(watermark_png, sizeof(watermark_png), &watermark_width, &watermark_height, &channels, 4);
+    unsigned char * image_data = stbi_load_from_memory(watermark_png, watermark_png_len, &watermark_width, &watermark_height, &channels, 4);
     if (!image_data) 
     {
         LOG_ERROR(Render_OpenGL, "Failed to load watermark image: {}", stbi_failure_reason());