stuff... forgot about git <_<

.gitignore

@@ -3,3 +3,4 @@
 /.cache/
 /compile_commands.json
 *.c#
+/example_data/*.glsl

build.c

@@ -53,7 +53,30 @@ int main(int argc, char *argv[]) {
 	    "skunkworks.lib "
 	    "/I../include ");
 
+	/* example */
+	sys("cl /MD /O2 "
+	    "../examples/simple.c "
+	    "skunkworks.lib "
+	    "/I../include "
+	    "/I. ");
+
 	/* gsa example */
+	/*
+	sys("c:\\dev\\_tools\\dxc\\bin\\x64\\dxc.exe "
+	    "-fvk-use-gl-layout "
+	    "-T vs_6_0 -spirv ..\\src\\gsa_vert.hlsl -Fo gsa_vert.spv");
+	sys("c:\\dev\\_tools\\dxc\\bin\\x64\\dxc.exe "
+	    "-fvk-use-gl-layout "
+	    "-T ps_6_0 -spirv ..\\src\\gsa_frag.hlsl -Fo gsa_frag.spv");
+	*/
+	/*
+	sys("C:\\dev\\_tools\\gslang\\bin\\glslangValidator.exe "
+	    "-G -S vert -o gsa_vert.spv ..\\src\\gsa_vert.glsl");
+	sys("C:\\dev\\_tools\\gslang\\bin\\glslangValidator.exe "
+	    "-G -S frag -o gsa_frag.spv ..\\src\\gsa_frag.glsl");
+	*/
+	/* sys("copy *.spv ..\\example_data"); */
+	sys("copy ..\\src\\*.glsl ..\\example_data");
 	sys("cl /MD /O2 "
 	    "../examples/gsa_simple.c "
 	    "skunkworks.lib "

examples/gsa_simple.c

@@ -4,6 +4,7 @@
 #include "gsa_map.h"
 #include "gsa_text.h"
 #include "skip.h"
+#include "str.h"
 #include <gsa.h>
 
 sw_color32 pal[GSA_PALETTE_SIZE];
@@ -32,7 +33,10 @@ void test() {
 
 void init() {
 	i32 x, y;
+	char *a, *b;
 
+	sw_str_split2("hellonyaworld", "nya", &a, &b);
+	printf("%s - %s\n", a, b);
 	// test();
 
 	gsa_copy_palette_to(pal);

examples/simple.c

@@ -0,0 +1,13 @@
+#include <skunkworks.h>
+
+void tick() {
+}
+
+int main(int argc, char *argv[]) {
+	struct sw_window *win;
+
+	win = sw_window_create(sw_vec2i(1280, 720), "example");
+	sw_window_run(win, tick);
+
+	return 0;
+}

include/net/http_client.h

@@ -0,0 +1,18 @@
+#ifndef GUARD_6F6DB4EF6B1F202B980E8656237B5E18
+#define GUARD_6F6DB4EF6B1F202B980E8656237B5E18
+
+#include "types.h"
+
+struct sw_http_response {
+	char *body;
+	u32 body_length;
+	i16 status;
+};
+
+struct sw_http_request_handle {
+	u32 _handle;
+};
+
+struct sw_http_request_handle sw_http_request_async(char *url);
+
+#endif /* GUARD_6F6DB4EF6B1F202B980E8656237B5E18 */

include/renderer2d.h

@@ -0,0 +1,12 @@
+#ifndef GUARD_2B56918289975E8AA8711D6E080ED4B9
+#define GUARD_2B56918289975E8AA8711D6E080ED4B9
+
+#include "shader.h"
+
+struct sw_renderer2d {
+	struct sw_shaderprogram shader;
+};
+
+struct sw_renderer2d *sw_renderer2d_create();
+
+#endif /* GUARD_2B56918289975E8AA8711D6E080ED4B9 */

include/shader.h

@@ -4,22 +4,28 @@
 #include "types.h"
 
 struct sw_shader {
-	i32 _shader;
+	u32 _shader;
 };
 
 struct sw_shaderprogram {
-	i32 _program;
+	u32 _program;
 };
 
 #define SW_SHADER_VERTEX 1
 #define SW_SHADER_FRAGMENT 2
 
 #define SW_SHADERLOC_POS 0
-
+/*
 struct sw_shader sw_shader_create(char const *source, i32 type);
 
 struct sw_shaderprogram
 sw_shaderprogram_create(char const *vertex, char const *fragment);
+*/
+
+struct sw_shader sw_shader_create(u8 *data, u32 len, i32 type, bool compiled);
+struct sw_shaderprogram sw_shaderprogram_create(
+    u8 *vert_data, u32 vert_len, u8 *frag_data, u32 frag_len, bool compiled
+);
 
 void sw_shaderprogram_use(struct sw_shaderprogram program);
 

include/shaders.h

@@ -2,6 +2,7 @@
 #define GUARD_1B77D3247B24AE540CDA7D1880E34980
 
 #include "shader.h"
+#include "skip.h"
 
 extern struct sw_shaderprogram sw_shaders_copy;
 extern struct sw_shaderprogram sw_shaders_scale;

include/skip.h

@@ -49,6 +49,8 @@ struct sw_skip {
 	} *files;
 };
 
+extern struct sw_skip *sw_skip_self;
+
 struct sw_skip *sw_skip_create();
 struct sw_skip *sw_skip_load(char *filename);
 void sw_skip_destroy(struct sw_skip *skip);
@@ -59,6 +61,7 @@ void sw_skip_attach(struct sw_skip *skip, char *filename);
 void sw_skip_dettach(char *filename);
 /* returns 0 if file not avaible */
 u8 *sw_skip_get(struct sw_skip *skip, char *name, u32 *out_size);
+char *sw_skip_get_string(struct sw_skip *skip, char *name);
 void sw_skip_save(struct sw_skip *skip, char *filename);
 
 #endif /* GUARD_62F584E45B48B8F6069643FC44702ED5 */

include/skunkworks.h

@@ -15,6 +15,6 @@
 
 #include "msvc.h"
 
-void sw_init();
+void sw_init(int argc, char *argv[]);
 
 #endif /* GUARD_9C1995B9551EFCCDC93F439C46AEF061 */

src/gsa.c

@@ -16,31 +16,6 @@ struct gsa_sprite sprites[256];
 struct sw_image8 *_gfx;
 struct sw_window *_win;
 
-static char *vert_source = "#version 300 es\n\
-precision highp float;\
-in vec2 pos;\
-in vec2 tex_coord;\
-out vec2 out_tex_coord;\
-void main() {\
-gl_Position = vec4((pos / vec2(152, -88)) - vec2(1, -1), 0.f, 1.f);\
-out_tex_coord = tex_coord;\
-}\
-";
-
-static char *frag_source = "#version 300 es\n\
-precision highp float;\
-in vec2 out_tex_coord;\
-uniform sampler2D tex;\
-uniform vec4 palette[256];\
-out vec4 color;\
-void main(){\
-int r = int(texture(tex, out_tex_coord).r * 255.f);\
-if(r > 0)\
-color = palette[r];\
-else discard;\
-}\
-";
-
 static struct sw_shaderprogram program;
 
 static u32 vbo, vao;
@@ -62,29 +37,33 @@ static u32 tex;
 static bool (*loop_stack[GSA_LOOP_STACK_SIZE])();
 static i8 loop_stack_i;
 
-static struct sw_skip *skip;
-
 int gsa_main(int argc, char *argv[]) {
 	(void)argc;
 	(void)argv;
 	i32 max_components;
 	u32 size;
-	u8 *data;
+	u8 *data, *frag_data, *vert_data;
 
 	sw_log("Initialising GameSkunkAdvance v0.0");
+	sw_init(argc, argv);
 
-	skip = sw_skip_load(argv[0]);
-	data = sw_skip_get(skip, "gfx.png", &size);
+	sw_log("Grab data");
+	data = sw_skip_get(sw_skip_self, "gfx.png", &size);
 	_gfx = sw_image8_load_png_data(data, size);
 
 	memset(loop_stack, 0, sizeof(loop_stack));
 	loop_stack_i = -1;
 
 	_win = sw_window_create(sw_vec2i(304, 176), "Game Skunk Advance v0.0");
-	program = sw_shaderprogram_create(vert_source, frag_source);
 
 	glGetIntegerv(GL_MAX_VERTEX_UNIFORM_COMPONENTS, &max_components);
 	sw_log("GL_MAX_VERTEX_UNIFORM_COMPONENTS: %i", max_components);
+	glGetIntegerv(GL_NUM_PROGRAM_BINARY_FORMATS, &max_components);
+	sw_log("GL_NUM_PROGRAM_BINARY_FORMATS: %i", max_components);
+
+	frag_data = sw_skip_get_string(sw_skip_self, "gsa_frag.glsl");
+	vert_data = sw_skip_get_string(sw_skip_self, "gsa_vert.glsl");
+	program = sw_shaderprogram_create(vert_data, 0, frag_data, 0, false);
 
 	memcpy(palette, _gfx->palette, sizeof(_gfx->palette));
 	glGenTextures(1, &tex);

src/gsa_frag.glsl

@@ -0,0 +1,12 @@
+#version 300 es
+precision highp float;
+in vec2 out_tex_coord;
+uniform sampler2D tex;
+uniform vec4 palette[256];
+out vec4 color;
+void main(){
+	 int r = int(texture(tex, out_tex_coord).r * 255.f);
+	 if(r > 0)
+	  color = palette[r];
+	 else discard;
+}

src/gsa_frag.hlsl

@@ -0,0 +1,11 @@
+struct frag_in {
+	   float2 pos : POSITION0;
+	   float2 tex_coord : TEXCOORD0;
+};
+
+Texture2D<float4> tex : register(t0);
+SamplerState tex_sampler : register(s0);
+
+float4 main(frag_in input) : SV_Target0 {
+	   return tex.Sample(tex_sampler, input.tex_coord);
+}

src/gsa_vert.glsl

@@ -0,0 +1,9 @@
+#version 300 es
+precision highp float;
+in vec2 pos;
+in vec2 tex_coord;
+out vec2 out_tex_coord;
+void main() {
+	 gl_Position = vec4((pos / vec2(152, -88)) - vec2(1, -1), 0.f, 1.f);
+	 out_tex_coord = tex_coord;
+}

src/gsa_vert.hlsl

@@ -0,0 +1,16 @@
+struct vert_in {
+	   float2 pos : POSITION0;
+	   float2 tex_coord : TEXCOORD0;
+};
+
+struct vert_out {
+	   float2 pos : POSITION0;
+	   float2 tex_coord : TEXCOORD0;
+};
+
+vert_out main(vert_in input) {
+		 vert_out output;
+		 output.tex_coord = input.tex_coord;
+		 output.pos = (input.pos / float2(152, -88)) - float2(1, -1);
+		 return output;
+}

src/net/http_client.c

@@ -0,0 +1,67 @@
+#include "net/http_client.h"
+#include "error.h"
+#include "str.h"
+
+#include <string.h>
+#include <windows.h>
+#include <wininet.h>
+
+static HINTERNET internet = 0;
+
+static void init_internet();
+
+struct sw_http_request_handle sw_http_request_async(char *url) {
+	HINTERNET session, http;
+	u16 port;
+	char *proto, *rest;
+	char *server, *rest2;
+
+	sw_str_split2(url, "://", &proto, &rest);
+	if(proto == 0) {
+		sw_error("url requires ://");
+	}
+
+	if(strcmp(proto, "https") == 0) {
+		port = INTERNET_DEFAULT_HTTPS_PORT;
+	} else if(strcmp(proto, "http") == 0) {
+		port = INTERNET_DEFAULT_HTTP_PORT;
+	} else {
+		sw_error("unknown protocol '%s'", proto);
+	}
+
+	sw_str_split2(url, "/", &server, &rest2);
+	/* TODO: handle urls without / */
+
+	init_internet();
+
+	session = InternetConnect(
+	    internet, server, port, 0, 0, INTERNET_SERVICE_HTTP, 0, 0
+	);
+
+	if(session == 0) {
+		sw_win32_error();
+	}
+
+	http = HttpOpenRequest(session, "GET", rest2, "HTTP/1.1", 0, 0, 0, 0);
+
+	if(http == 0) {
+		sw_win32_error();
+	}
+
+	if(!HttpSendRequest(http, 0, 0, 0, 0)) {
+		sw_win32_error();
+	}
+
+	return (struct sw_http_request_handle){0};
+}
+
+static void init_internet() {
+	if(internet == 0) {
+		internet = InternetOpen(
+		    "Skunkworks", INTERNET_OPEN_TYPE_DIRECT, 0, 0, INTERNET_FLAG_ASYNC
+		);
+		if(internet == 0) {
+			sw_win32_error();
+		}
+	}
+}

src/renderer2d.c

@@ -0,0 +1,7 @@
+#include "renderer2d.h"
+
+static char *shader_vert = "\
+\
+                           ";
+
+struct sw_renderer2d *sw_renderer2d_create(){};

src/shader.c

@@ -4,12 +4,78 @@
 
 #include "error.h"
 #include "gl.h"
-
+/*
 struct sw_shader sw_shader_create(char const *source, i32 type) {
+    struct sw_shader shader;
+    i32 gltype;
+    i32 length;
+    i32 ret;
+
+    sw_log("create shader");
+
+    switch(type) {
+    case SW_SHADER_VERTEX:
+        gltype = GL_VERTEX_SHADER;
+        break;
+    case SW_SHADER_FRAGMENT:
+        gltype = GL_FRAGMENT_SHADER;
+        break;
+    default:
+        gltype = 0;
+        sw_error("unknown shader type");
+    }
+
+    shader._shader = glCreateShader(gltype);
+    length = strlen(source);
+    glShaderSource(shader._shader, 1, &source, &length);
+    glCompileShader(shader._shader);
+
+    glGetShaderiv(shader._shader, GL_COMPILE_STATUS, &ret);
+    if(!ret) {
+        char str[256];
+        i32 len;
+
+        glGetShaderInfoLog(shader._shader, 256, &len, str);
+        sw_error("Shader Compile Error: %s", str);
+    }
+
+    return shader;
+}
+
+struct sw_shaderprogram
+sw_shaderprogram_create(char const *vertex, char const *fragment) {
+    struct sw_shaderprogram program;
+    struct sw_shader v, f;
+    i32 ret;
+
+    sw_log("create shader program");
+    v = sw_shader_create(vertex, SW_SHADER_VERTEX);
+    f = sw_shader_create(fragment, SW_SHADER_FRAGMENT);
+    program._program = glCreateProgram();
+    glAttachShader(program._program, v._shader);
+    glAttachShader(program._program, f._shader);
+    sw_log("set attribute locations");
+    glBindAttribLocation(program._program, SW_SHADERLOC_POS, "pos");
+    sw_log("link shader");
+    glLinkProgram(program._program);
+    glGetProgramiv(program._program, GL_LINK_STATUS, &ret);
+    if(!ret) {
+        char str[256];
+        i32 len;
+
+        glGetProgramInfoLog(program._program, 256, &len, str);
+        sw_error("Shader Link Error: %s", str);
+    }
+    return program;
+}
+
+*/
+
+struct sw_shader sw_shader_create(u8 *data, u32 len, i32 type, bool compiled) {
 	struct sw_shader shader;
 	i32 gltype;
-	i32 length;
 	i32 ret;
+	u32 length;
 
 	sw_log("create shader");
 
@@ -26,10 +92,27 @@ struct sw_shader sw_shader_create(char const *source, i32 type) {
 	}
 
 	shader._shader = glCreateShader(gltype);
-	length = strlen(source);
-	glShaderSource(shader._shader, 1, &source, &length);
-	glCompileShader(shader._shader);
 
+	if(compiled) {
+		sw_log("loading shader binary of size %i", len);
+		glShaderBinary(
+		    1, &shader._shader, GL_SHADER_BINARY_FORMAT_SPIR_V_ARB, data, len
+		);
+
+		glGetShaderiv(shader._shader, GL_SPIR_V_BINARY, &ret);
+		if(ret) {
+			sw_log("is spirv binary");
+		} else {
+			sw_log("isn't spirv binary");
+		}
+
+		glSpecializeShader(shader._shader, "main", 0, 0, 0);
+	} else {
+		length = strlen(data);
+		glShaderSource(shader._shader, 1, &data, &length);
+		glCompileShader(shader._shader);
+	}
+	sw_log("source: %s", data);
 	glGetShaderiv(shader._shader, GL_COMPILE_STATUS, &ret);
 	if(!ret) {
 		char str[256];
@@ -38,19 +121,19 @@ struct sw_shader sw_shader_create(char const *source, i32 type) {
 		glGetShaderInfoLog(shader._shader, 256, &len, str);
 		sw_error("Shader Compile Error: %s", str);
 	}
-
 	return shader;
 }
 
-struct sw_shaderprogram
-sw_shaderprogram_create(char const *vertex, char const *fragment) {
+struct sw_shaderprogram sw_shaderprogram_create(
+    u8 *vert_data, u32 vert_len, u8 *frag_data, u32 frag_len, bool compiled
+) {
 	struct sw_shaderprogram program;
 	struct sw_shader v, f;
 	i32 ret;
 
 	sw_log("create shader program");
-	v = sw_shader_create(vertex, SW_SHADER_VERTEX);
-	f = sw_shader_create(fragment, SW_SHADER_FRAGMENT);
+	v = sw_shader_create(vert_data, vert_len, SW_SHADER_VERTEX, compiled);
+	f = sw_shader_create(frag_data, frag_len, SW_SHADER_FRAGMENT, compiled);
 	program._program = glCreateProgram();
 	glAttachShader(program._program, v._shader);
 	glAttachShader(program._program, f._shader);

src/shader_copy_frag.glsl

@@ -0,0 +1,11 @@
+#version 300 es
+precision highp float;
+in vec2 out_tex_coord;
+uniform sampler2D tex;
+out vec4 color;
+void main() {
+	vec4 col = texture(tex, out_tex_coord);
+	if(col.a > 0.0) {
+			 color = col;
+	}
+}

src/shader_copy_vert.glsl

@@ -0,0 +1,8 @@
+#version 300 es
+precision highp float;
+in vec2 pos;
+out vec2 out_tex_coord;
+void main() {
+	gl_Position = vec4(pos, 0.0f, 1.0f);
+	out_tex_coord = vec2(pos.x * 0.5 + 0.5, pos.y * 0.5 + 0.5);
+}

src/shader_scale_frag.glsl

@@ -0,0 +1,20 @@
+#version 300 es
+precision highp float;
+in vec2 out_tex_coord;
+uniform sampler2D tex;
+uniform float scale;
+uniform vec2 offset;
+uniform vec2 size_ratio;
+out vec4 color;
+void main() {
+	vec2 tc = (out_tex_coord-offset)*size_ratio;
+	vec4 col = vec4(0,0,0,0);
+	if(tc.x <= 1.0 && tc.y <= 1.0 && tc.x >= 0.0 && tc.y >= 0.0) {
+		col = texture(tex, tc);
+	}
+	if(col.a > 0.0) {
+		color = col;
+	} else {
+		discard;
+	}
+}

src/shaders.c

@@ -1,53 +1,21 @@
 #include "shaders.h"
 #include "error.h"
+#include "skip.h"
 
 struct sw_shaderprogram sw_shaders_copy;
 struct sw_shaderprogram sw_shaders_scale;
 
-static char *vert_copy = "#version 300 es\n\
-precision highp float;\
-in vec2 pos;\
-out vec2 out_tex_coord;\
-void main() {\
-	gl_Position = vec4(pos, 0.0f, 1.0f);\
-	out_tex_coord = vec2(pos.x * 0.5 + 0.5, pos.y * 0.5 + 0.5);\
-}";
-
-static char *frag_copy = "#version 300 es\n\
-precision highp float;\
-in vec2 out_tex_coord;\
-uniform sampler2D tex;\
-out vec4 color;\
-void main() {\
-	vec4 col = texture(tex, out_tex_coord);\
-if(col.a > 0.0) {\
-	color = col;\
-}\
-}";
-
-static char *frag_scale = "#version 300 es\n\
-precision highp float;\
-in vec2 out_tex_coord;\
-uniform sampler2D tex;\
-uniform float scale;\
-uniform vec2 offset;\
-uniform vec2 size_ratio;\
-out vec4 color;\
-void main() {\
-	vec2 tc = (out_tex_coord-offset)*size_ratio;\
-	vec4 col = vec4(0,0,0,0);\
-	if(tc.x <= 1.0 && tc.y <= 1.0 && tc.x >= 0.0 && tc.y >= 0.0) {\
-		col = texture(tex, tc);\
-	}\
-	if(col.a > 0.0) {\
-		color = col;\
-	} else { \
-		discard;\
-	}\
-}";
-
 void sw_shaders_static_init() {
+	u8 *vert_copy, *frag_copy, *frag_scale;
+	u32 size;
+
 	sw_log("initialising shaders");
-	sw_shaders_copy = sw_shaderprogram_create(vert_copy, frag_copy);
-	sw_shaders_scale = sw_shaderprogram_create(vert_copy, frag_scale);
+	vert_copy = sw_skip_get_string(sw_skip_self, "shader_copy_vert.glsl");
+	frag_copy = sw_skip_get_string(sw_skip_self, "shader_copy_frag.glsl");
+	frag_scale = sw_skip_get_string(sw_skip_self, "shader_scale_frag.glsl");
+
+	sw_shaders_copy =
+	    sw_shaderprogram_create(vert_copy, 0, frag_copy, 0, false);
+	sw_shaders_scale =
+	    sw_shaderprogram_create(vert_copy, 0, frag_scale, 0, false);
 }

src/skip.c

@@ -7,6 +7,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+struct sw_skip *sw_skip_self;
+
 struct sw_skip *sw_skip_create() {
 	struct sw_skip *skip;
 
@@ -170,6 +172,23 @@ u8 *sw_skip_get(struct sw_skip *skip, char *name, u32 *out_size) {
 	return 0;
 }
 
+char *sw_skip_get_string(struct sw_skip *skip, char *name) {
+	u8 *data;
+	u32 size;
+	char *str;
+
+	data = sw_skip_get(skip, name, &size);
+	if(data == 0) {
+		return 0;
+	}
+
+	str = malloc(size + 1);
+	memcpy(str, data, size);
+	str[size] = 0;
+
+	return str;
+}
+
 void sw_skip_save(struct sw_skip *skip, char *filename) {
 	sw_skip_save_to(skip, fopen(filename, "wb"));
 }

src/skunkworks.c

@@ -2,12 +2,19 @@
 
 #include <assert.h>
 
+#include "skip.h"
 #include "types.h"
 
 void assert_types();
 
-void sw_init() {
-	assert_types();
+static bool init = false;
+
+void sw_init(int argc, char *argv[]) {
+	if(!init) {
+		assert_types();
+		sw_skip_self = sw_skip_load(argv[0]);
+		init = true;
+	}
 }
 
 /* private */

src/test.c

@@ -1,30 +0,0 @@
-#include <stdio.h>
-
-#include "image32.h"
-#include "vec2i.h"
-#include "window.h"
-#include <png.h>
-
-#include <skunkworks.h>
-
-struct sw_window *win;
-
-void tick();
-
-int main(int argc, char *argv[]) {
-	struct sw_image32 *img;
-
-	(void)argc;
-	(void)argv;
-
-	sw_init();
-	win = sw_window_create(sw_vec2i(640, 480), "Skunkworks");
-	img = sw_image32_load_png("d:/art/pfp.png");
-	sw_debug("%08X", sw_image32_get(img, sw_vec2i(10, 10)));
-	sw_window_run(win, tick);
-
-	return 0;
-}
-
-void tick() {
-}

src/window.c

@@ -32,6 +32,8 @@ static void GLAPIENTRY gldebug(
 struct sw_window *sw_window_create(struct sw_vec2i size, char *title) {
 	struct sw_window *win;
 
+	sw_init();
+
 	win = malloc(sizeof(struct sw_window));
 	win->window_size = size;
 	win->game_size = size;
@@ -39,7 +41,8 @@ struct sw_window *sw_window_create(struct sw_vec2i size, char *title) {
 	sw_log("init glfw");
 	glfwInit();
 	glfwDefaultWindowHints();
-
+	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
+	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 6);
 	win->_window = glfwCreateWindow(size.x, size.y, title, 0, 0);
 	glfwSetWindowUserPointer(win->_window, win);
 	glfwShowWindow(win->_window);
@@ -96,6 +99,7 @@ void _tick() {
 	sw_scaler_apply(
 	    SW_SCALE_INTEGER, _tick_window->game_size, _tick_window->window_size
 	);
+
 	glfwSwapBuffers(_tick_window->_window);
 	glfwPollEvents();
 }