nous postfx

tools/shaders/compile_spirv.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+# Compile Vulkan GLSL shaders to SPIR-V and update the C++ headers used by SDL3GPUShader.
+# Required: glslc (from Vulkan SDK or: brew install glslang / apt install glslang-tools)
+#
+# Run from the project root:  tools/shaders/compile_spirv.sh
+
+set -e
+
+SHADERS_DIR="data/shaders"
+HEADERS_DIR="source/core/rendering/sdl3gpu"
+
+if ! command -v glslc &> /dev/null; then
+    echo "ERROR: glslc not found. Install Vulkan SDK or run:"
+    echo "  macOS:  brew install glslang"
+    echo "  Linux:  sudo apt install glslang-tools"
+    exit 1
+fi
+
+echo "Compiling SPIR-V shaders..."
+
+glslc "${SHADERS_DIR}/postfx.vert" -o /tmp/postfx.vert.spv
+glslc "${SHADERS_DIR}/postfx.frag" -o /tmp/postfx.frag.spv
+
+echo "Generating C++ headers..."
+
+xxd -i /tmp/postfx.vert.spv | \
+    sed 's/unsigned char __tmp_postfx_vert_spv\[\]/static const uint8_t kpostfx_vert_spv[]/' | \
+    sed 's/unsigned int __tmp_postfx_vert_spv_len/static const size_t kpostfx_vert_spv_size/' | \
+    sed 's/= [0-9]*/\0/' \
+    > "${HEADERS_DIR}/postfx_vert_spv.h"
+
+xxd -i /tmp/postfx.frag.spv | \
+    sed 's/unsigned char __tmp_postfx_frag_spv\[\]/static const uint8_t kpostfx_frag_spv[]/' | \
+    sed 's/unsigned int __tmp_postfx_frag_spv_len/static const size_t kpostfx_frag_spv_size/' | \
+    sed 's/= [0-9]*/\0/' \
+    > "${HEADERS_DIR}/postfx_frag_spv.h"
+
+# Prepend required includes to the headers
+for f in "${HEADERS_DIR}/postfx_vert_spv.h" "${HEADERS_DIR}/postfx_frag_spv.h"; do
+    echo -e "#pragma once\n#include <cstdint>\n#include <cstddef>\n$(cat "$f")" > "$f"
+done
+
+echo "Done. Headers updated in ${HEADERS_DIR}/"
+echo "  postfx_vert_spv.h"
+echo "  postfx_frag_spv.h"
+echo "Rebuild the project to use the new shaders."