Init

2026-01-29 17:06:34 +01:00
commit 17c1ae1638
77 changed files with 25724 additions and 0 deletions
--- a/shaders/CMakeLists.txt
+++ b/shaders/CMakeLists.txt
@@ -0,0 +1,106 @@
+
+# Ref.: https://stackoverflow.com/questions/67040258/cmake-compile-glsl-shaders
+# Ref.: https://cmake.org/cmake/help/latest/command/add_custom_command.html
+
+set(SHADER_SOURCE_DIR ${PROJECT_SOURCE_DIR}/shaders)
+set(SHADER_BIN_DIR ${PROJECT_SOURCE_DIR}/assets/shaders)
+file(GLOB VERTEX_SHADERS ${SHADER_SOURCE_DIR}/vs_*.sc)
+file(GLOB FRAGMENT_SHADERS ${SHADER_SOURCE_DIR}/fs_*.sc)
+file(GLOB COMPUTE_SHADERS ${SHADER_SOURCE_DIR}/cs_*.sc)
+
+# vertex shaders
+foreach(SHADER_IN IN LISTS VERTEX_SHADERS)
+    cmake_path(GET SHADER_IN FILENAME SHADER_NAME) # ex. SHADER_NAME==vs_cubes.sc
+
+    # output file
+    string(REPLACE ".sc" ".spv" SHADER_OUT ${SHADER_NAME})
+    set(SHADER_OUT ${SHADER_BIN_DIR}/${SHADER_OUT})
+
+    # varying file 
+    string(REPLACE "vs" "varying" SHADER_VARYING ${SHADER_IN})
+
+    # message("SHADER_IN: " ${SHADER_IN} " - SHADER_VARYING: " ${SHADER_VARYING} " - SHADER_OUT: " ${SHADER_OUT})
+
+    _bgfx_shaderc_parse(CLI
+      FILE ${SHADER_IN}
+      OUTPUT ${SHADER_OUT}
+      VERTEX
+      LINUX
+      PROFILE spirv
+      VARYINGDEF ${SHADER_VARYING}
+      INCLUDES ${SHADER_BIN_DIR}
+    )
+
+    add_custom_command(
+        OUTPUT ${SHADER_OUT}
+        COMMAND ${SHADERC} ${CLI}
+        DEPENDS ${SHADER_IN}
+        COMMENT "Compiling shader ${SHADER_NAME}"
+    )
+
+    list(APPEND SPV_SHADERS ${SHADER_OUT})
+endforeach()
+
+# fragment shaders
+foreach(SHADER_IN IN LISTS FRAGMENT_SHADERS)
+    cmake_path(GET SHADER_IN FILENAME SHADER_NAME) # ex. SHADER_NAME==vs_cubes.sc
+
+    # output file
+    string(REPLACE ".sc" ".spv" SHADER_OUT ${SHADER_NAME})
+    set(SHADER_OUT ${SHADER_BIN_DIR}/${SHADER_OUT})
+
+    # varying file 
+    string(REPLACE "fs" "varying" SHADER_VARYING ${SHADER_IN})
+
+    # message("SHADER_IN: " ${SHADER_IN} " - SHADER_VARYING: " ${SHADER_VARYING} " - SHADER_OUT: " ${SHADER_OUT})
+
+    _bgfx_shaderc_parse(CLI
+      FILE ${SHADER_IN}
+      OUTPUT ${SHADER_OUT}
+      FRAGMENT
+      LINUX
+      PROFILE spirv
+      VARYINGDEF ${SHADER_VARYING}
+      INCLUDES ${SHADER_BIN_DIR}
+    )
+
+    add_custom_command(
+        OUTPUT ${SHADER_OUT}
+        COMMAND ${SHADERC} ${CLI}
+        DEPENDS ${SHADER_IN}
+        COMMENT "Compiling shader ${SHADER_NAME}"
+    )
+
+    list(APPEND SPV_SHADERS ${SHADER_OUT})
+endforeach()
+
+# compute shaders
+foreach(SHADER_IN IN LISTS COMPUTE_SHADERS)
+    cmake_path(GET SHADER_IN FILENAME SHADER_NAME) # ex. SHADER_NAME==vs_cubes.sc
+
+    # output file
+    string(REPLACE ".sc" ".spv" SHADER_OUT ${SHADER_NAME})
+    set(SHADER_OUT ${SHADER_BIN_DIR}/${SHADER_OUT})
+
+    # message("SHADER_IN: " ${SHADER_IN} " - "SHADER_OUT: " ${SHADER_OUT})
+
+    _bgfx_shaderc_parse(CLI
+      FILE ${SHADER_IN}
+      OUTPUT ${SHADER_OUT}
+      COMPUTE
+      LINUX
+      PROFILE spirv
+      INCLUDES ${SHADER_BIN_DIR}
+    )
+
+    add_custom_command(
+        OUTPUT ${SHADER_OUT}
+        COMMAND ${SHADERC} ${CLI}
+        DEPENDS ${SHADER_IN}
+        COMMENT "Compiling shader ${SHADER_NAME}"
+    )
+
+    list(APPEND SPV_SHADERS ${SHADER_OUT})
+endforeach()
+
+add_custom_target(shaders ALL DEPENDS ${SPV_SHADERS})