Changeset 172 for trunk/dglut

trunk/dglut/dglut_test.d

r171	r172
31	31
32	32	void setupLights() {
33		~~glEnable(GL_DEPTH_TEST);~~
34	33	glEnable(GL_LIGHTING);
35	34	with (Light[0]) {
36	35	enable;
37		position(~~[100, -100, 10]~~, true);
	36	position(lightpos.parts, true);
38	37	ambient=[0, 0, 0, 1];
39	38	diffuse=[1, 1, 1, 1];
40	39	specular=[1, 1, 1, 1];
41	40	}
42		with (Light[1]) {
	41	/*with (Light[1]) {
43	42	enable;
44	43	position([10, 50, 70], true);
…	…
46	45	diffuse=[2, 1, 1, 1];
47	46	specular=[1, 1, 1, 1];
48		}
	47	}*/
49	48	}
50	49
51	50	import std.string: toStringz;
52	51	import dglut.ext;
53		FrameBuffer test;
	52	FrameBuffer test; Texture target;
	53	float[32] cameraMatrix, lightMatrix; // projection, view 4x4
	54
	55	vec3f campos, lightpos;
54	56	void main(string[] args) {
55	57	int c_argc=args.length;
…	…
62	64	auto win = glutCreateWindow("Triangle\0".ptr);
63	65
	66	campos=vec3f(0, 5, -10);
	67	lightpos=vec3f(100, -100, 10);
	68
64	69	writefln(Extensions.igrep("framebuffer_object"));
65		auto test_rb=new RenderBuffer;
66		auto tex=new Texture(128, 128);
67		glChecked("CreateFramebuffer", test=new FrameBuffer);
68		glChecked("AttachTextureAndRenderBuffer",
69		test.With(test_rb.attach(GL_DEPTH_ATTACHMENT_EXT, GL_DEPTH_COMPONENT, tex)),
70		test.attach(GL_DEPTH_ATTACHMENT_EXT, test_rb)
71		);
72		test.checkState;
73		writefln(test, " created!");
	70	target=new Texture(1024, 1024);
	71	glChecked("CreateFramebuffer", test=new FrameBuffer, test.attach(GL_COLOR_ATTACHMENT0_EXT, GL_RGBA, target));
	72	writefln(test, " created - ", test.width, ":", test.height);
74	73
75	74	MatrixMode.Projection;
…	…
77	76	gluPerspective(45, 1.0, 0.1, 100);
78	77	MatrixMode.Modelview;
	78	Texture.enable;
	79	glEnable(GL_DEPTH_TEST);
79	80
80	81	glutDisplayFunc=&display;
…	…
109	110	fps=0;
110	111	}
111		~~glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);~~
112		~~glClearColor(0, 0, 0, 0);~~
113	112	glLoadIdentity;
114	113	static float f=0;
…	…
118	117	Rotate(f*0.2, 0, 1, 0);
119	118	Rotate(f*0.1, 1, 1, 0);
120		glChecked("RenderToFramebuffer", test.With(renderScene(f)));
	119
	120	glChecked("RenderToFramebuffer", MatrixScope(test.Using(renderScene(f))));
121	121	glChecked("RenderToScreen", renderScene(f));
122		~~writefln("Done");~~
	122
123	123	glFlush;
124	124	glutSwapBuffers();
…	…
126	126
127	127	void renderScene(float t) {
	128	glClear(GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);
128	129	setupLights();
129	130	auto points=[
…	…
165	166	}
166	167
167		~~Texture.enable;~~
168	168	static Texture tex;
169	169	glChecked("DisplayGenerateTexture", {
…	…
184	184	}));
185	185	//writefln(cube.length, " triangles rendered");
186		~~glChecked("DisplayRenderCube", {~~
187		~~int height=-5;~~
188		~~auto floorpoints=[vec3f(-100, height, -100), vec3f(-100, height, 100), vec3f(100, height, 100), vec3f(100, height, -100)];~~
189		~~Triangle[] floor=[Triangle(floorpoints[0], floorpoints[1], floorpoints[2]), Triangle(floorpoints[0], floorpoints[2], floorpoints[3])];~~
190		~~times(6, { floor=subdivide(floor); });~~
191		~~with (Material.FrontAndBack) emission=[2f, 1f, 1f, 1f];~~
192		~~Triangles={ foreach (tri; floor) with (tri) {~~
193		~~Normal(0, 1, 0);~~
194		~~TexCoord(0, 0); Vertex(x);~~
195		~~TexCoord(1, 0); Vertex(y);~~
196		~~TexCoord(1, 1); Vertex(z);~~
197		~~}};~~
198		~~});~~
199	186	}

trunk/dglut/ext.d

r171	r172
68	68	);
69	69
	70	const GLenum GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT=0x8CD0,
	71	GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT=0x8CD1;
	72
70	73	class FrameBuffer : glExtension!("GL_EXT_framebuffer_object") {
71		static void checkState() {
	74	void checkState() {
	75	auto old=bound(); scope(exit) bind(old); bind;
	76	alias ExtFunc!(void function(GLenum, GLenum, GLenum, int *), "GetFramebufferAttachmentParameterivEXT") getpar;
	77	foreach (where, obj; attachedObjects) {
	78	int res, res2;
	79	getpar(GL_FRAMEBUFFER_EXT, where, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT, &res);
	80	getpar(GL_FRAMEBUFFER_EXT, where, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT, &res2);
	81	if (!res \|\| !res2) throw new Exception("Weird .. no draw buffer attached?");
	82	}
	83
72	84	auto res=ExtFunc!(GLenum function(GLenum target), "CheckFramebufferStatusEXT")(GL_FRAMEBUFFER_EXT);
73	85	if (res==GL_FRAMEBUFFER_COMPLETE_EXT) return;
…	…
89	101	static void bind(uint whar) { ExtFunc!(void function(GLenum, uint), "BindFramebufferEXT")(GL_FRAMEBUFFER_EXT, whar); }
90	102	static uint bound() { uint res; glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, cast(int*)&res); return res; }
	103	bool isBound() { return bound==fb; }
91	104	void bind() { bind(fb); }
92		void With(void delegate()[] dgs...) {
93		checkState;
	105	void Using(void delegate()[] dgs...) {
94	106	glPushAttrib(GL_VIEWPORT_BIT); scope(exit) glPopAttrib;
95	107	glViewport(0, 0, width, height);
96	108	auto old=bound(); scope(exit) bind(old); bind;
97		~~writefln("Viewport limited to ", width, ":", height, "; bound to ", bound, " from ", old)~~;
	109	checkState;
98	110	foreach (dg; dgs) dg();
99	111	}
100
101		~~RenderBuffer[Attachment] attachedObjects; // for the sake of the GC~~
102		~~int width, height;~~
103
104		~~alias ExtFunc!(void function(GLenum, Attachment, GLenum, uint), "FramebufferRenderbufferEXT") FramebufferRenderbuffer;~~
105		~~void attach(Attachment where, RenderBuffer rb) {~~
106		~~if (!width && !height) {~~
107		~~width=rb.width; height=rb.height;~~
108		~~} else {~~
109		~~if (width!=rb.width) throw new Exception("All attachments to an FBO must have the same width and height!");~~
110		~~if (height!=rb.height) throw new Exception("All attachments to an FBO must have the same height and width!");~~
111		}
112		~~attachedObjects[where]=rb;~~
113		~~auto old=bound(); scope(exit) bind(old); bind;~~
114		~~FramebufferRenderbuffer(GL_FRAMEBUFFER_EXT, where, GL_RENDERBUFFER_EXT, rb.rb);~~
115		}
116		~~void detach(Attachment where) {~~
117		~~if (!attached(where)) throw new Exception("Trying to detach from unused attachment point!");~~
118		~~FramebufferRenderbuffer(GL_FRAMEBUFFER_EXT, where, GL_RENDERBUFFER_EXT, 0);~~
119		~~attachedObjects.remove(where);~~
120		~~if (!attachedObjects.length) { width=0; height=0; }~~
121		}
122		~~RenderBuffer attached(Attachment where) { auto res=where in attachedObjects; if (res) return *res; return null; }~~
123		}
124
125		~~import std.stdio;~~
126		~~class RenderBuffer : glExtension!("GL_EXT_framebuffer_object") {~~
127		~~uint rb;~~
128		~~int width, height;~~
129		~~this() { ExtFunc!(void function(int, uint *), "GenRenderbuffersEXT")(1, &rb); }~~
130		~~~this() { free; }~~
131		~~void free() { ExtFunc!(void function(int, uint *), "DeleteRenderbuffersEXT")(1, &rb); }~~
132
133		~~static uint bound() { uint res; glGetIntegerv(GL_RENDERBUFFER_BINDING_EXT, cast(int*)&res); return res; }~~
134		~~static void bind(uint what) { ExtFunc!(void function(GLenum, uint), "BindRenderbufferEXT")(GL_RENDERBUFFER_EXT, what); }~~
135		~~void bind() { bind(rb); }~~
136	112	void With(void delegate()[] dgs...) {
137	113	auto old=bound(); scope(exit) bind(old); bind;
…	…
139	115	}
140	116
	117	Texture[Attachment] attachedObjects; // for the sake of the GC
	118	int width, height;
	119
	120	alias ExtFunc!(void function(GLenum, Attachment, GLenum, uint), "FramebufferRenderbufferEXT") FramebufferRenderbuffer;
141	121	alias ExtFunc!(void function(GLenum target, Attachment, GLenum target, uint texture, int level), "FramebufferTexture2DEXT")
142	122	glfbtex2d;
143
144		~~Texture[Attachment] attachedObjects;~~
145	123	void attach(Attachment where, PixelFormat component, Texture tex, int level=0) {
146		if (where in attachedObjects) throw new Exception("Attachment point already in use!");
147		if (!FrameBuffer.bound) throw new Exception("Please bind a frame buffer before attaching a texture.
148		\"The error INVALID_OPERATION is generated if FramebufferRenderbufferEXT
149		or FramebufferTexture{1D\|2D\|3D}EXT is called while the
150		value of FRAMEBUFFER_BINDING_EXT is zero.\" --FBO extension spec");
	124	auto old=bound(); scope(exit) bind(old); bind;
151	125	if (width \|\| height) {
152	126	if (width!=tex.width \|\| height!=tex.height)
153		throw new Exception("All textures attached to a ~~render~~ buffer must be the same size!");
	127	throw new Exception("All textures attached to a frame buffer must be the same size!");
154	128	} else { width=tex.width; height=tex.height; }
155		glChecked("RenderBufAttachReserveStorage", storage(component, width, height));
156		glChecked("RenderBufBindTexture", {
	129	glChecked("FrameBufBindTexture", {
157	130	auto prev=tex.bound; scope(exit) tex.bind(prev);
158	131	tex.bind;
159		glChecked("RenderBufAttachTexture", glfbtex2d(GL_FRAMEBUFFER_EXT, where, GL_TEXTURE_2D, tex.me, level));
160		});
161		attachedObjects[where]=tex;
162		}
163		Texture attached(Attachment where) { auto res=where in attachedObjects; return res?*res:null; }
164		void detach(Attachment where, int level=0) {
165		if (!attached(where)) throw new Exception("Trying to detach from unused attachment point!");
166		glfbtex2d(GL_FRAMEBUFFER_EXT, where, GL_TEXTURE_2D, 0, level);
167		attachedObjects.remove(where);
168		if (!attachedObjects.length) { width=0; height=0; }
169		}
170
171		private void storage(PixelFormat component, int width, int height) {
172		auto old=bound(); scope(exit) bind(old); bind;
173		glChecked("Allocate renderbuffer storage", {
174		ExtFunc!(void function(GLenum, GLenum, int, int), "RenderbufferStorageEXT")(GL_RENDERBUFFER_EXT, component, width, height);
	132	glChecked("FrameBufAttachTexture", glfbtex2d(GL_FRAMEBUFFER_EXT, where, GL_TEXTURE_2D, tex.me, level));
175	133	});
176	134	}
	135	void detach(Attachment where, int level=0) {
	136	glfbtex2d(GL_FRAMEBUFFER_EXT, where, GL_TEXTURE_2D, 0, level);
	137	width=0; height=0;
	138	}
177	139	}

trunk/dglut/opengl.d

r171	r172
651	651	else glChecked("TexMinFilter", glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
652	652	glChecked("TexParams", glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR),
653		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_~~CLAMP~~),
654		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_~~CLAMP~~)
	653	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT),
	654	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT)
655	655	);
656	656	if (mipmap) {

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trunk/dglut/opengl.d

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