From 58d09aa3ca4409e2a15473b0ac3c0446f0acb1a2 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 22 Oct 2018 21:30:21 +0800
Subject: *misc

---
 src/libjin/Graphics/Shader/je_jsl_compiler.cpp | 40 +++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

(limited to 'src/libjin/Graphics/Shader/je_jsl_compiler.cpp')

diff --git a/src/libjin/Graphics/Shader/je_jsl_compiler.cpp b/src/libjin/Graphics/Shader/je_jsl_compiler.cpp
index 2683969..81b14e8 100644
--- a/src/libjin/Graphics/Shader/je_jsl_compiler.cpp
+++ b/src/libjin/Graphics/Shader/je_jsl_compiler.cpp
@@ -1,16 +1,54 @@
 #include "../../core/je_configuration.h"
 #if defined(jin_graphics) && (jin_graphics & jin_graphics_shader)
 
+#include "../../Filesystem/je_buffer.h"
+
 #include "je_jsl_compiler.h"
 
+using namespace std;
+using namespace JinEngine::Filesystem;
+
 namespace JinEngine
 {
     namespace Graphics
     {
 
+#include "je_base.shader.h"
 
+        bool JSLCompiler::compile(const string& jsl, string* vertex_shader, string* fragment_shader)
+        {
+            // parse shader source, need some optimizations
+            int loc_VERTEX_SHADER = jsl.find("#VERTEX_SHADER");
+            int loc_END_VERTEX_SHADER = jsl.find("#END_VERTEX_SHADER");
+            int loc_FRAGMENT_SHADER = jsl.find("#FRAGMENT_SHADER");
+            int loc_END_FRAGMENT_SHADER = jsl.find("#END_FRAGMENT_SHADER");
+            if (loc_VERTEX_SHADER == string::npos
+             || loc_END_VERTEX_SHADER == string::npos
+             || loc_FRAGMENT_SHADER == string::npos
+             || loc_END_FRAGMENT_SHADER == string::npos
+            )
+                return false;
+            // Load vertex and fragment shader source into buffers.
+            {
+                // Compile JSL vertex program.
+                int start = loc_VERTEX_SHADER + strlen("#VERTEX_SHADER");
+                *vertex_shader = jsl.substr(start, loc_END_VERTEX_SHADER - start);
+                Buffer vbuffer = Buffer(vertex_shader->length() + BASE_VERTEX_SHADER_SIZE);
+                formatVertexShader((char*)&vbuffer, vertex_shader->c_str());
+                vertex_shader->assign((char*)&vbuffer);
+            }
+            {
+                // Compile JSL fragment program.
+                int start = loc_FRAGMENT_SHADER + strlen("#FRAGMENT_SHADER");
+                *fragment_shader = jsl.substr(start, loc_END_FRAGMENT_SHADER - start);
+                Buffer fbuffer = Buffer(fragment_shader->length() + BASE_FRAGMENT_SHADER_SIZE);
+                formatFragmentShader((char*)&fbuffer, fragment_shader->c_str());
+                fragment_shader->assign((char*)&fbuffer);
+            }
+            return true;
+        }
 
     } // namespace Graphics
-} // namespace JinEngine 
+} // namespace JinEngine
 
 #endif // (jin_graphics) && (jin_graphics & jin_graphics_shader)
\ No newline at end of file
-- 
cgit v1.1-26-g67d0