Added the flat shader generation

assets/shaders/src/flat.glsl

@@ -0,0 +1,36 @@
+#pragma sokol @vs vs
+
+in vec3 vertexPosition;
+in vec4 vertexColor;
+in vec2 vertexTexture;
+
+uniform vs_params {
+    mat4 projectionMatrix;
+    mat4 viewMatrix;
+    mat4 modelMatrix;
+};
+
+out vec4 color;
+
+void main(void) {
+    gl_Position = projectionMatrix * viewMatrix * modelMatrix * vec4(vertexPosition, 1.0);
+   //gl_Position = vec4(0.0, 0.0, 0.0, 1.0);
+    gl_PointSize = 1.0;
+    color = vertexColor;
+}
+
+#pragma sokol @end
+
+#pragma sokol @fs fs
+
+in vec4 color;
+out vec4 fragColor;
+void main(void)
+{
+    fragColor = color;
+    //fragColor = vec4(1.0, 1.0, 1.0, 1.0);
+}
+
+#pragma sokol @end
+
+#pragma sokol @program flat vs fs

example/main.c

@@ -43,18 +43,24 @@
 #define DEFAULT_FS_FILENAME "default.glsl_default_metal_macos_fs.metal"
 #define SCREEN_VS_FILENAME "screen.glsl_default_metal_macos_vs.metal"
 #define SCREEN_FS_FILENAME "screen.glsl_default_metal_macos_fs.metal"
+#define FLAT_VS_FILENAME "flat_flat_metal_macos_vs.metal"
+#define FLAT_FS_FILENAME "flat_flat_metal_macos_fs.metal"
 #elif defined(__IPHONEOS__) || defined(__ANDROID__) || defined(__EMSCRIPTEN__)
 #define SHADER_PATH "dst/gles"
 #define DEFAULT_VS_FILENAME "default.glsl_default_glsl300es_vs.glsl"
 #define DEFAULT_FS_FILENAME "default.glsl_default_glsl300es_fs.glsl"
 #define SCREEN_VS_FILENAME "screen.glsl_default_glsl300es_vs.glsl"
 #define SCREEN_FS_FILENAME "screen.glsl_default_glsl300es_fs.glsl"
+#define FLAT_VS_FILENAME "flat_flat_glsl300es_vs.glsl"
+#define FLAT_FS_FILENAME "flat_flat_glsl300es_fs.glsl"
 #else
 #define SHADER_PATH "dst/gl33"
 #define DEFAULT_VS_FILENAME "default.glsl_default_glsl410_vs.glsl"
 #define DEFAULT_FS_FILENAME "default.glsl_default_glsl410_fs.glsl"
 #define SCREEN_VS_FILENAME "screen.glsl_default_glsl410_vs.glsl"
 #define SCREEN_FS_FILENAME "screen.glsl_default_glsl410_fs.glsl"
+#define FLAT_VS_FILENAME "flat_flat_glsl410_vs.glsl"
+#define FLAT_FS_FILENAME "flat_flat_glsl410_fs.glsl"
 #endif
 
 typedef struct default_shader_params_t {