make shaders be compiled by cmake instead of a script

CMakeLists.txt

@@ -89,6 +89,29 @@ target_include_directories(stb_image INTERFACE libs/stb)
 option(TRACY_ONLY_LOCALHOST "" ON)
 add_subdirectory(libs/tracy)
 
+# shaders
+find_program(SLANGC_EXECUTABLE slangc)
+set(SHADERS_SPV  "")
+set(SHADERS_WGSL "")
+
+function(add_shader name)
+    if(SLANGC_EXECUTABLE)
+        add_custom_command(OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/spirv/${name}.spv" DEPFILE "${CMAKE_CURRENT_BINARY_DIR}/${name}-spv.dep"  COMMAND "${SLANGC_EXECUTABLE}" -depfile "${CMAKE_CURRENT_BINARY_DIR}/${name}-spv.dep"  "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/src/${name}.slang" -o "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/spirv/${name}.spv" -target spirv -profile spirv_1_0)
+        add_custom_command(OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/wgsl/${name}.wgsl" DEPFILE "${CMAKE_CURRENT_BINARY_DIR}/${name}-wgsl.dep" COMMAND "${SLANGC_EXECUTABLE}" -depfile "${CMAKE_CURRENT_BINARY_DIR}/${name}-wgsl.dep" "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/src/${name}.slang" -o "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/wgsl/${name}.wgsl" -target wgsl  -D__wgsl__)
+    endif()
+
+    set(SHADERS_SPV  ${SHADERS_SPV}  "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/spirv/${name}.spv" PARENT_SCOPE)
+    set(SHADERS_WGSL ${SHADERS_WGSL} "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/wgsl/${name}.wgsl" PARENT_SCOPE)
+endfunction()
+
+add_shader(basic)
+add_shader(world)
+add_shader(grid)
+
+add_custom_target(shaders-spv  DEPENDS ${SHADERS_SPV})
+add_custom_target(shaders-wgsl DEPENDS ${SHADERS_WGSL})
+
+# game
 add_executable(mikemon
     src/smol-atlas.cpp
     src/change_directory.c
@@ -106,6 +129,7 @@ target_link_libraries(mikemon
         TracyClient
         wgpu
 )
+add_dependencies(mikemon shaders-wgsl)
 
 add_executable(mikemon-sdlgpu
     src/smol-atlas.cpp
@@ -124,3 +148,4 @@ target_link_libraries(mikemon-sdlgpu
         TracyClient
         wgpu
 )
+add_dependencies(mikemon-sdlgpu shaders-spv)

src/shaders/compile_shaders.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-slangc src/basic.slang -target wgsl -D__wgsl__ -o wgsl/basic.wgsl
-slangc src/world.slang -target wgsl -D__wgsl__ -o wgsl/world.wgsl
-slangc src/grid.slang  -target wgsl -D__wgsl__ -o wgsl/grid.wgsl
-
-slangc src/basic.slang -target spirv -profile spirv_1_0 -o spirv/basic.spv
-slangc src/world.slang -target spirv -profile spirv_1_0 -o spirv/world.spv
-slangc src/grid.slang  -target spirv -profile spirv_1_0 -o spirv/grid.spv

src/shaders/wgsl/world.wgsl

@@ -45,42 +45,35 @@ fn main_vertex(@builtin(vertex_index) vertex_index_0 : u32, @builtin(instance_in
         {
             output_0.pos_0 = (((mat4x4<f32>(block1_view_projection_matrix_0.data_0[i32(0)][i32(0)], block1_view_projection_matrix_0.data_0[i32(1)][i32(0)], block1_view_projection_matrix_0.data_0[i32(2)][i32(0)], block1_view_projection_matrix_0.data_0[i32(3)][i32(0)], block1_view_projection_matrix_0.data_0[i32(0)][i32(1)], block1_view_projection_matrix_0.data_0[i32(1)][i32(1)], block1_view_projection_matrix_0.data_0[i32(2)][i32(1)], block1_view_projection_matrix_0.data_0[i32(3)][i32(1)], block1_view_projection_matrix_0.data_0[i32(0)][i32(2)], block1_view_projection_matrix_0.data_0[i32(1)][i32(2)], block1_view_projection_matrix_0.data_0[i32(2)][i32(2)], block1_view_projection_matrix_0.data_0[i32(3)][i32(2)], block1_view_projection_matrix_0.data_0[i32(0)][i32(3)], block1_view_projection_matrix_0.data_0[i32(1)][i32(3)], block1_view_projection_matrix_0.data_0[i32(2)][i32(3)], block1_view_projection_matrix_0.data_0[i32(3)][i32(3)])) * (vec4<f32>(vec2<f32>(_S3) - vec2<f32>(0.5f, 0.5f) + vec2<f32>(-0.5f, 0.5f), 0.0f, 1.0f))));
             output_0.uv_0 = vec2<f32>(0.0f, 0.0f);
-            break;
         }
     case u32(1):
         {
             output_0.pos_0 = (((mat4x4<f32>(block1_view_projection_matrix_0.data_0[i32(0)][i32(0)], block1_view_projection_matrix_0.data_0[i32(1)][i32(0)], block1_view_projection_matrix_0.data_0[i32(2)][i32(0)], block1_view_projection_matrix_0.data_0[i32(3)][i32(0)], block1_view_projection_matrix_0.data_0[i32(0)][i32(1)], block1_view_projection_matrix_0.data_0[i32(1)][i32(1)], block1_view_projection_matrix_0.data_0[i32(2)][i32(1)], block1_view_projection_matrix_0.data_0[i32(3)][i32(1)], block1_view_projection_matrix_0.data_0[i32(0)][i32(2)], block1_view_projection_matrix_0.data_0[i32(1)][i32(2)], block1_view_projection_matrix_0.data_0[i32(2)][i32(2)], block1_view_projection_matrix_0.data_0[i32(3)][i32(2)], block1_view_projection_matrix_0.data_0[i32(0)][i32(3)], block1_view_projection_matrix_0.data_0[i32(1)][i32(3)], block1_view_projection_matrix_0.data_0[i32(2)][i32(3)], block1_view_projection_matrix_0.data_0[i32(3)][i32(3)])) * (vec4<f32>(vec2<f32>(_S3) - vec2<f32>(0.5f, 0.5f) + vec2<f32>(-0.5f, -0.5f), 0.0f, 1.0f))));
             output_0.uv_0 = vec2<f32>(0.0f, 1.0f);
-            break;
         }
     case u32(2):
         {
             output_0.pos_0 = (((mat4x4<f32>(block1_view_projection_matrix_0.data_0[i32(0)][i32(0)], block1_view_projection_matrix_0.data_0[i32(1)][i32(0)], block1_view_projection_matrix_0.data_0[i32(2)][i32(0)], block1_view_projection_matrix_0.data_0[i32(3)][i32(0)], block1_view_projection_matrix_0.data_0[i32(0)][i32(1)], block1_view_projection_matrix_0.data_0[i32(1)][i32(1)], block1_view_projection_matrix_0.data_0[i32(2)][i32(1)], block1_view_projection_matrix_0.data_0[i32(3)][i32(1)], block1_view_projection_matrix_0.data_0[i32(0)][i32(2)], block1_view_projection_matrix_0.data_0[i32(1)][i32(2)], block1_view_projection_matrix_0.data_0[i32(2)][i32(2)], block1_view_projection_matrix_0.data_0[i32(3)][i32(2)], block1_view_projection_matrix_0.data_0[i32(0)][i32(3)], block1_view_projection_matrix_0.data_0[i32(1)][i32(3)], block1_view_projection_matrix_0.data_0[i32(2)][i32(3)], block1_view_projection_matrix_0.data_0[i32(3)][i32(3)])) * (vec4<f32>(vec2<f32>(_S3) - vec2<f32>(0.5f, 0.5f) + vec2<f32>(0.5f, -0.5f), 0.0f, 1.0f))));
             output_0.uv_0 = vec2<f32>(1.0f, 1.0f);
-            break;
         }
     case u32(3):
         {
             output_0.pos_0 = (((mat4x4<f32>(block1_view_projection_matrix_0.data_0[i32(0)][i32(0)], block1_view_projection_matrix_0.data_0[i32(1)][i32(0)], block1_view_projection_matrix_0.data_0[i32(2)][i32(0)], block1_view_projection_matrix_0.data_0[i32(3)][i32(0)], block1_view_projection_matrix_0.data_0[i32(0)][i32(1)], block1_view_projection_matrix_0.data_0[i32(1)][i32(1)], block1_view_projection_matrix_0.data_0[i32(2)][i32(1)], block1_view_projection_matrix_0.data_0[i32(3)][i32(1)], block1_view_projection_matrix_0.data_0[i32(0)][i32(2)], block1_view_projection_matrix_0.data_0[i32(1)][i32(2)], block1_view_projection_matrix_0.data_0[i32(2)][i32(2)], block1_view_projection_matrix_0.data_0[i32(3)][i32(2)], block1_view_projection_matrix_0.data_0[i32(0)][i32(3)], block1_view_projection_matrix_0.data_0[i32(1)][i32(3)], block1_view_projection_matrix_0.data_0[i32(2)][i32(3)], block1_view_projection_matrix_0.data_0[i32(3)][i32(3)])) * (vec4<f32>(vec2<f32>(_S3) - vec2<f32>(0.5f, 0.5f) + vec2<f32>(-0.5f, 0.5f), 0.0f, 1.0f))));
             output_0.uv_0 = vec2<f32>(0.0f, 0.0f);
-            break;
         }
     case u32(4):
         {
             output_0.pos_0 = (((mat4x4<f32>(block1_view_projection_matrix_0.data_0[i32(0)][i32(0)], block1_view_projection_matrix_0.data_0[i32(1)][i32(0)], block1_view_projection_matrix_0.data_0[i32(2)][i32(0)], block1_view_projection_matrix_0.data_0[i32(3)][i32(0)], block1_view_projection_matrix_0.data_0[i32(0)][i32(1)], block1_view_projection_matrix_0.data_0[i32(1)][i32(1)], block1_view_projection_matrix_0.data_0[i32(2)][i32(1)], block1_view_projection_matrix_0.data_0[i32(3)][i32(1)], block1_view_projection_matrix_0.data_0[i32(0)][i32(2)], block1_view_projection_matrix_0.data_0[i32(1)][i32(2)], block1_view_projection_matrix_0.data_0[i32(2)][i32(2)], block1_view_projection_matrix_0.data_0[i32(3)][i32(2)], block1_view_projection_matrix_0.data_0[i32(0)][i32(3)], block1_view_projection_matrix_0.data_0[i32(1)][i32(3)], block1_view_projection_matrix_0.data_0[i32(2)][i32(3)], block1_view_projection_matrix_0.data_0[i32(3)][i32(3)])) * (vec4<f32>(vec2<f32>(_S3) - vec2<f32>(0.5f, 0.5f) + vec2<f32>(0.5f, -0.5f), 0.0f, 1.0f))));
             output_0.uv_0 = vec2<f32>(1.0f, 1.0f);
-            break;
         }
     case u32(5):
         {
             const _S5 : vec2<f32> = vec2<f32>(0.5f, 0.5f);
             output_0.pos_0 = (((mat4x4<f32>(block1_view_projection_matrix_0.data_0[i32(0)][i32(0)], block1_view_projection_matrix_0.data_0[i32(1)][i32(0)], block1_view_projection_matrix_0.data_0[i32(2)][i32(0)], block1_view_projection_matrix_0.data_0[i32(3)][i32(0)], block1_view_projection_matrix_0.data_0[i32(0)][i32(1)], block1_view_projection_matrix_0.data_0[i32(1)][i32(1)], block1_view_projection_matrix_0.data_0[i32(2)][i32(1)], block1_view_projection_matrix_0.data_0[i32(3)][i32(1)], block1_view_projection_matrix_0.data_0[i32(0)][i32(2)], block1_view_projection_matrix_0.data_0[i32(1)][i32(2)], block1_view_projection_matrix_0.data_0[i32(2)][i32(2)], block1_view_projection_matrix_0.data_0[i32(3)][i32(2)], block1_view_projection_matrix_0.data_0[i32(0)][i32(3)], block1_view_projection_matrix_0.data_0[i32(1)][i32(3)], block1_view_projection_matrix_0.data_0[i32(2)][i32(3)], block1_view_projection_matrix_0.data_0[i32(3)][i32(3)])) * (vec4<f32>(vec2<f32>(_S3) - _S5 + _S5, 0.0f, 1.0f))));
             output_0.uv_0 = vec2<f32>(1.0f, 0.0f);
-            break;
         }
     default :
         {
-            break;
         }
     }
     return output_0;