X-Git-Url: https://harrygodden.com/git/?p=fishladder.git;a=blobdiff_plain;f=vg%2Fvg_shader.h;fp=vg%2Fvg_shader.h;h=0000000000000000000000000000000000000000;hp=ff8a5f0dc143c6126167394579fc4cced7922499;hb=30490c4c08d5c0f811017a901aa9e25a95be7c40;hpb=3363633178b1eea582304742ad1202487af0feb1

diff --git a/vg/vg_shader.h b/vg/vg_shader.h
deleted file mode 100644
index ff8a5f0..0000000
--- a/vg/vg_shader.h
+++ /dev/null
@@ -1,168 +0,0 @@
-// Copyright (C) 2021 Harry Godden (hgn) - All Rights Reserved
-
-const char *vg_shader_gl_ver = "#version 330 core\n";
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wreturn-type"
-static inline int static_str_index( const char *list[], int len, const char *str )
-{
-    for( int i = 0; i < len; i ++ )
-    {
-        if( !strcmp(list[i],str) )
-            return i;
-    }
-    
-    #ifndef VG_RELEASE
-    fprintf( stderr, "That was not a static string index!! (%s)\n", str );
-    abort();
-    #endif
-}
-#pragma GCC diagnostic pop
-
-#define SHADER_NAME( NAME ) (NAME##_static_shader.program)
-#define SHADER_USE( NAME ) glUseProgram( NAME##_static_shader.program )
-
-#define SHADER_UNIFORM( NAME, U ) NAME##_shader_uniforms[ STR_STATIC_INDEX( NAME##_shader_names, U ) ]
-#define SHADER_UNIFORM_NAME( NAME, UID ) NAME##_shader_names[ UID ]
-#define STR_STATIC_INDEX( LIST, STR ) static_str_index( LIST, vg_list_size(LIST), STR )
-
-#define UNIFORMS(...) __VA_ARGS__
-
-#define SHADER_DEFINE( NAME, VERT, FRAG, UNIFORMS ) 							\
-	const char * NAME##_shader_names[] = UNIFORMS;								\
-	GLint NAME##_shader_uniforms[ vg_list_size( NAME##_shader_names ) ];	\
-	struct vg_shader NAME##_static_shader = {										\
-		.src_vert = VERT, .src_frag = FRAG,											\
-		.sym = #NAME "_static.shader",												\
-		.uniform_names = NAME##_shader_names,										\
-		.uniforms = NAME##_shader_uniforms,											\
-		.uniform_count = vg_list_size( NAME##_shader_names ),					\
-	};
-
-#define SHADER_INIT( NAME ) arrpush( vg_shaders_active, &NAME##_static_shader )
-
-#define SHADER_STATUS_NONE 0x00
-#define SHADER_STATUS_COMPILED 0x1
-
-struct vg_shader
-{
-	GLuint program;
-
-	const char *src_vert;
-	const char *src_frag;
-	const char *src_geo;
-	const char *sym;
-	
-	const char **uniform_names;
-	GLint *uniforms;
-	u32 uniform_count;
-	u32 status;
-}
-** vg_shaders_active = NULL;
-
-static GLuint vg_shader_subshader( const char *src, GLint gliShaderType )
-{
-	GLint shader = glCreateShader( gliShaderType );
-	glShaderSource( shader, 2, (const char *[2]){ vg_shader_gl_ver, src }, NULL );
-	glCompileShader( shader );
-
-	int success;
-	char infoLog[512];
-	glGetShaderiv( shader, GL_COMPILE_STATUS, &success );
-
-	if( !success )
-	{
-		glGetShaderInfoLog( shader, 512, NULL, infoLog );
-		vg_error( "Error info:\n%s\n", infoLog );
-		return 0;
-	}
-
-	return shader;
-}
-
-static int vg_shader_compile( struct vg_shader *shader )
-{
-	vg_info( "Compile shader '%s'\n", shader->sym );
-	
-	GLuint vert, frag, geo = 0;
-	
-	vert = vg_shader_subshader( shader->src_vert, GL_VERTEX_SHADER );
-	frag = vg_shader_subshader( shader->src_frag, GL_FRAGMENT_SHADER );
-	
-	if( !vert || !frag )
-		return 0;
-	
-	if( shader->src_geo )
-	{
-		geo = vg_shader_subshader( shader->src_geo, GL_GEOMETRY_SHADER );
-		
-		if( !geo )
-			return 0;
-	}
-	
-	shader->program = glCreateProgram();
-	if( geo )
-		glAttachShader( shader->program, geo );
-		
-	glAttachShader( shader->program, vert );
-	glAttachShader( shader->program, frag );
-	glLinkProgram( shader->program );
-	
-	glDeleteShader( vert );
-	glDeleteShader( frag );
-	
-	if( geo )
-		glDeleteShader( geo );
-		
-	// Check for link errors
-	char infoLog[ 512 ];
-	int success_link = 1;
-	
-	glGetProgramiv( shader->program, GL_LINK_STATUS, &success_link );
-	if( !success_link )
-	{
-		glGetProgramInfoLog( shader->program, 512, NULL, infoLog );
-		vg_error( "Link failed: %s\n", infoLog );
-		glDeleteProgram( shader->program );
-		
-		return 0;
-	}
-	
-	// Complete linkeage
-	for( int i = 0; i < shader->uniform_count; i ++ )
-		shader->uniforms[ i ] = glGetUniformLocation( shader->program, shader->uniform_names[i] );
-
-	shader->status |= SHADER_STATUS_COMPILED;
-	return 1;
-}
-
-static void vg_shaders_free(void)
-{
-	for( int i = 0; i < arrlen( vg_shaders_active ); i ++ )
-	{
-		struct vg_shader *shader = vg_shaders_active[i];
-		
-		if( shader->status & SHADER_STATUS_COMPILED )
-			glDeleteProgram( shader->program );
-	}
-	
-	arrfree( vg_shaders_active );
-}
-
-static int vg_shaders_compile(void)
-{
-	vg_info( "Compiling shaders\n" );
-
-	for( int i = 0; i < arrlen( vg_shaders_active ); i ++ )
-	{
-		struct vg_shader *shader = vg_shaders_active[i];
-		if( !vg_shader_compile( shader ) )
-		{
-			vg_shaders_free();
-			return 0;
-		}
-	}
-	
-	vg_register_exit( &vg_shaders_free, "vg_shaders_free" );
-	return 1;
-}