Initial commit: VKZip GPU Compressor

2026-04-20 23:19:07 -03:00
commit 7af9f38181
66 changed files with 9444 additions and 0 deletions
@@ -0,0 +1,107 @@
+cmake_minimum_required(VERSION 3.20)
+project(vkzip VERSION 1.0.0 LANGUAGES C)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+# ── Platform detection ──────────────────────────────────────────────
+if(WIN32)
+    add_definitions(-D_CRT_SECURE_NO_WARNINGS -DPLATFORM_WINDOWS)
+else()
+    add_definitions(-DPLATFORM_LINUX)
+endif()
+
+# ── Find Vulkan ─────────────────────────────────────────────────────
+find_package(Vulkan REQUIRED)
+
+# ── Source files ────────────────────────────────────────────────────
+set(SOURCES
+    src/main.c
+    src/vkz_format.c
+    src/gpu_context.c
+    src/gpu_compress.c
+    src/gpu_decompress.c
+    src/cpu_fallback.c
+)
+
+# ── Executable ──────────────────────────────────────────────────────
+add_executable(vkzip ${SOURCES})
+
+target_include_directories(vkzip PRIVATE
+    ${CMAKE_SOURCE_DIR}/src
+    ${Vulkan_INCLUDE_DIRS}
+)
+
+target_link_libraries(vkzip PRIVATE
+    ${Vulkan_LIBRARIES}
+)
+
+if(NOT WIN32)
+    target_link_libraries(vkzip PRIVATE m pthread)
+endif()
+
+# ── Compile shaders (GLSL → SPIR-V) ────────────────────────────────
+find_program(GLSLC glslc HINTS "$ENV{VULKAN_SDK}/bin")
+if(NOT GLSLC)
+    find_program(GLSLC glslangValidator HINTS "$ENV{VULKAN_SDK}/bin")
+endif()
+
+if(GLSLC)
+    set(SHADER_SRC_DIR "${CMAKE_SOURCE_DIR}/shaders")
+    set(SHADER_BIN_DIR "${CMAKE_BINARY_DIR}/shaders")
+    file(MAKE_DIRECTORY ${SHADER_BIN_DIR})
+
+    set(SHADER_SOURCES
+        ${SHADER_SRC_DIR}/compress.comp
+        ${SHADER_SRC_DIR}/decompress.comp
+    )
+
+    foreach(SHADER ${SHADER_SOURCES})
+        get_filename_component(SHADER_NAME ${SHADER} NAME)
+        set(SPIRV_OUTPUT "${SHADER_BIN_DIR}/${SHADER_NAME}.spv")
+
+        add_custom_command(
+            OUTPUT ${SPIRV_OUTPUT}
+            COMMAND ${GLSLC} -o ${SPIRV_OUTPUT} ${SHADER}
+            DEPENDS ${SHADER}
+            COMMENT "Compiling shader ${SHADER_NAME} -> SPIR-V"
+        )
+        list(APPEND SPIRV_OUTPUTS ${SPIRV_OUTPUT})
+    endforeach()
+
+    add_custom_target(shaders ALL DEPENDS ${SPIRV_OUTPUTS})
+    add_dependencies(vkzip shaders)
+
+    # Embed shader directory path at compile time
+    target_compile_definitions(vkzip PRIVATE
+        SHADER_DIR="${SHADER_BIN_DIR}"
+    )
+else()
+    message(WARNING "glslc/glslangValidator not found! Shaders will not be compiled.")
+    message(WARNING "Install Vulkan SDK: https://vulkan.lunarg.com/sdk/home")
+endif()
+
+# ── Install ─────────────────────────────────────────────────────────
+install(TARGETS vkzip RUNTIME DESTINATION bin)
+if(GLSLC)
+    install(DIRECTORY ${SHADER_BIN_DIR}/ DESTINATION share/vkzip/shaders)
+endif()
+
+# ── Compiler warnings ──────────────────────────────────────────────
+if(MSVC)
+    target_compile_options(vkzip PRIVATE /W4)
+else()
+    target_compile_options(vkzip PRIVATE -Wall -Wextra -O2)
+endif()
+
+message(STATUS "")
+message(STATUS "╔══════════════════════════════════════════╗")
+message(STATUS "║        VKZip - GPU File Compressor       ║")
+message(STATUS "║    Vulkan Compute Shader Acceleration    ║")
+message(STATUS "╠══════════════════════════════════════════╣")
+message(STATUS "║  Platform: ${CMAKE_SYSTEM_NAME}")
+message(STATUS "║  Compiler: ${CMAKE_C_COMPILER_ID} ${CMAKE_C_COMPILER_VERSION}")
+message(STATUS "║  Vulkan:   ${Vulkan_LIBRARY}")
+message(STATUS "║  Shaders:  ${GLSLC}")
+message(STATUS "╚══════════════════════════════════════════╝")
+message(STATUS "")