[ViewVC] Diff of: cvs/cvsroot/libgender/material.C

Comparing cvsroot/libgender/material.C (file contents):
Revision 1.9 by root, Thu Oct 21 21:20:09 2004 UTC vs.
Revision 1.43 by root, Sat Nov 6 04:31:01 2004 UTC

…		…
1	#include "opengl.h"
2	#include "material.h"
3
4	#include <cstdlib>	1	#include <cstdlib>
5	#include <cstring>	2	#include <cstring>
6		3
7	#include <algorithm>	4	#include <algorithm>
8		5
9	namespace shader {	6	#include "opengl.h"
10		7	#include "material.h"
11	refcounted::~refcounted ()	8	#include "view.h"
12	{	9	#include "util.h"
13	#if 0
14	if (refcnt)
15	abort ();
16	#endif
17	}
18
19	const char str_float [] = "float";
20	const char str_float2 [] = "float2";
21	const char str_float3 [] = "float3";
22	const char str_float4 [] = "float4";
23	const char str_float4x4 [] = "float4x4";
24
25	static CGcontext cg_context = cgCreateContext ();
26
27	int var_i::next_name = 0;
28
29	var_i::var_i (CGtype cgtype, const char *typestr)
30	: typestr (typestr)
31	{
32	name = ++next_name;
33	param = cgCreateParameter (cg_context, cgtype);
34	}
35
36	var_i::~var_i ()
37	{
38	cgDestroyParameter (param);
39	}
40
41	void var_i::build_decl (ostringstream &b)
42	{
43	b << typestr << ' ' << "V" << name;
44	}
45
46	void uniform_i::build_decl (ostringstream &b)
47	{
48	b << "uniform " << typestr << ' ' << "V" << name;
49	}
50
51	void stream_i::build_decl (ostringstream &b)
52	{
53	b << typestr << ' ' << "V" << name;
54	b << " : " << binding;
55	}
56
57	void var_i::build (shader_builder &b)
58	{
59	b << "V" << name;
60	}
61
62	void uniform_i::build (shader_builder &b)
63	{
64	var_i::build (b);
65
66	if (find (b.refs.begin (), b.refs.end (), uniform (*this)) == b.refs.end ())
67	b.refs.push_back (*this);
68	}
69
70	void stream_i::build (shader_builder &b)
71	{
72	var_i::build (b);
73
74	if (find (b.streams.begin (), b.streams.end (), var (*this)) == b.streams.end ())
75	b.streams.push_back (*this);
76	}
77
78	void temporary_i::build (shader_builder &b)
79	{
80	var_i::build (b);
81
82	if (find (b.temps.begin (), b.temps.end (), var (*this)) == b.temps.end ())
83	b.temps.push_back (*this);
84	}
85
86	void fragment_const_string_i::build (shader_builder &b)
87	{
88	b << str;
89	}
90
91	struct vin vin;
92
93	// MUST update is-function below
94	varying_3f vin::position_3f ("POSITION");
95	varying_4f vin::position_4f ("POSITION");
96	varying_3f vin::normal_3f ("NORMAL");
97	varying_4f vin::normal_4f ("NORMAL");
98	varying_3f vin::color0_3f ("COLOR0");
99	varying_4f vin::color0_4f ("COLOR0");
100	varying_3f vin::color1_3f ("COLOR1");
101	varying_4f vin::color1_4f ("COLOR1");
102	varying_2f vin::texcoord0_2f ("TEXCOORD0");
103	varying_4f vin::texcoord0_4f ("TEXCOORD0");
104	varying_2f vin::texcoord1_2f ("TEXCOORD1");
105	varying_4f vin::texcoord1_4f ("TEXCOORD1");
106	varying_2f vin::texcoord2_2f ("TEXCOORD2");
107	varying_4f vin::texcoord2_4f ("TEXCOORD2");
108	varying_2f vin::texcoord3_2f ("TEXCOORD3");
109	varying_4f vin::texcoord3_4f ("TEXCOORD3");
110	varying_2f vin::texcoord4_2f ("TEXCOORD4");
111	varying_4f vin::texcoord4_4f ("TEXCOORD4");
112	varying_2f vin::texcoord5_2f ("TEXCOORD5");
113	varying_4f vin::texcoord5_4f ("TEXCOORD5");
114	varying_2f vin::texcoord6_2f ("TEXCOORD6");
115	varying_4f vin::texcoord6_4f ("TEXCOORD6");
116	varying_2f vin::texcoord7_2f ("TEXCOORD7");
117	varying_4f vin::texcoord7_4f ("TEXCOORD7");
118	varying_1f vin::psize_1f ("PSIZE");
119	varying_1f vin::attr6_1f ("ATTR6");
120	varying_1f vin::attr7_1f ("ATTR7");
121	varying_2f vin::attr6_2f ("ATTR6");
122	varying_2f vin::attr7_2f ("ATTR7");
123	varying_3f vin::attr6_3f ("ATTR6");
124	varying_3f vin::attr7_3f ("ATTR7");
125	varying_4f vin::attr6_4f ("ATTR6");
126	varying_4f vin::attr7_4f ("ATTR7");
127
128	bool vin::is (const var &r)
129	{
130	return r == vin::position_3f
131	\|\| r == vin::position_4f
132	\|\| r == vin::normal_3f
133	\|\| r == vin::normal_4f
134	\|\| r == vin::color0_3f
135	\|\| r == vin::color0_4f
136	\|\| r == vin::color1_3f
137	\|\| r == vin::color1_4f
138	\|\| r == vin::texcoord0_2f
139	\|\| r == vin::texcoord0_4f
140	\|\| r == vin::texcoord1_2f
141	\|\| r == vin::texcoord1_4f
142	\|\| r == vin::texcoord2_2f
143	\|\| r == vin::texcoord2_4f
144	\|\| r == vin::texcoord3_2f
145	\|\| r == vin::texcoord3_4f
146	\|\| r == vin::texcoord4_2f
147	\|\| r == vin::texcoord4_4f
148	\|\| r == vin::texcoord5_2f
149	\|\| r == vin::texcoord5_4f
150	\|\| r == vin::texcoord6_2f
151	\|\| r == vin::texcoord6_4f
152	\|\| r == vin::texcoord7_2f
153	\|\| r == vin::texcoord7_4f
154	\|\| r == vin::psize_1f
155	\|\| r == vin::attr6_1f
156	\|\| r == vin::attr7_1f
157	\|\| r == vin::attr6_2f
158	\|\| r == vin::attr7_2f
159	\|\| r == vin::attr6_3f
160	\|\| r == vin::attr7_3f
161	\|\| r == vin::attr6_4f
162	\|\| r == vin::attr7_4f;
163	}
164
165	struct fin fin;
166	struct fin &vout = fin;
167
168	// MUST update is-function below
169	varying_4f fin::position_4f ("HPOS");
170	varying_4f fin::color0_4f ("COLOR0");
171	varying_4f fin::color1_4f ("COLOR1");
172	varying_4f fin::texcoord0_4f ("TEXCOORD0");
173	varying_4f fin::texcoord1_4f ("TEXCOORD1");
174	varying_4f fin::texcoord2_4f ("TEXCOORD2");
175	varying_4f fin::texcoord3_4f ("TEXCOORD3");
176	varying_4f fin::texcoord4_4f ("TEXCOORD4");
177	varying_4f fin::texcoord5_4f ("TEXCOORD5");
178	varying_4f fin::texcoord6_4f ("TEXCOORD6");
179	varying_4f fin::texcoord7_4f ("TEXCOORD7");
180
181	bool fin::is (const var &r)
182	{
183	return r == fin::position_4f
184	\|\| r == fin::color0_4f
185	\|\| r == fin::color1_4f
186	\|\| r == fin::texcoord0_4f
187	\|\| r == fin::texcoord1_4f
188	\|\| r == fin::texcoord2_4f
189	\|\| r == fin::texcoord3_4f
190	\|\| r == fin::texcoord4_4f
191	\|\| r == fin::texcoord5_4f
192	\|\| r == fin::texcoord6_4f
193	\|\| r == fin::texcoord7_4f;
194	}
195
196	struct fout fout;
197
198	// MUST update is-function below
199	varying_4f fout::color0_4f ("COLOR0");
200	varying_3f fout::color0_3f ("COLOR0");
201	varying_4f fout::color1_4f ("COLOR1");
202	varying_3f fout::color1_3f ("COLOR1");
203	varying_1f fout::depth_1f ("DEPTH");
204
205	bool fout::is (const var &r)
206	{
207	return r == fout::color0_4f
208	\|\| r == fout::color0_3f
209	\|\| r == fout::color1_4f
210	\|\| r == fout::color1_3f
211	\|\| r == fout::depth_1f;
212	}
213
214	uniform_matrix_f_i mvp, mv, proj;
215
216	void fragment_vector_i::build (shader_builder &b)
217	{
218	for (vector<fragment>::iterator i = begin (); i != end (); i++)
219	(*i)->build (b);
220	}
221
222	void shader_program::print ()
223	{
224	shader_builder b;
225	build (b);
226	ostringstream os;
227
228	os << "void main (\n";
229	for (vector<var>::iterator i = b.streams.begin (); i != b.streams.end (); i++)
230	{
231	os << " ";
232
233	if (is_vertex)
234	{
235	if (vin.is (*i)) os << "in ";
236	if (vout.is (*i)) os << "out ";
237	}
238	else
239	{
240	if (fin.is (*i)) os << "in ";
241	if (fout.is (*i)) os << "out ";
242	}
243
244	(*i)->build_decl (os);
245	os << ",\n";
246	}
247
248	for (vector<uniform>::iterator i = b.refs.begin (); i != b.refs.end (); i++)
249	{
250	os << " ";
251	(*i)->build_decl (os);
252	os << ",\n";
253	}
254
255	os << " uniform float unused_cg_broken_syntax\n";
256	os << ")\n{\n";
257
258	for (vector<var>::iterator i = b.temps.begin (); i != b.temps.end (); i++)
259	{
260	(*i)->build_decl (os);
261	os << ";\n";
262	}
263
264	os << "\n";
265	os << b.source.str ();
266	os << "\n}\n";
267
268	printf ("%s\n", os.str ().c_str ());
269
270	}
271
272	void debdebdebdebug ()//D
273	{
274	vertex_program p;
275
276	p << vout.position_4f << " = mul(" << vin.position_4f << "," << mvp << ");";
277
278	p.print ();
279	exit (0);
280	}
281
282	}
283
284	material::~material ()
285	{
286	}
287
288	void
289	simple_material::begin ()
290	{
291	glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse);
292	glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular);
293	glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission);
294	glMaterialf (GL_FRONT, GL_SHININESS, shininess);
295	}
296
297	void
298	simple_material::end ()
299	{
300	}
301
302	void
303	osama_material::begin ()
304	{
305	cgGLEnableProfile (vsh_profile);
306	cgGLEnableProfile (fsh_profile);
307	cgGLEnableTextureParameter (g_Texture);
308	}
309
310	void
311	osama_material::end ()
312	{
313	cgGLDisableTextureParameter (g_Texture);
314	// cgGLUnbindProgram (vsh_profile);
315	// cgGLUnbindProgram (fsh_profile);
316	cgGLDisableProfile (vsh_profile);
317	cgGLDisableProfile (fsh_profile);
318	}
319		10
320	GLuint	11	GLuint
321	texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord)	12	texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord)
322	{	13	{
323	GLuint textur;	14	GLuint name;
324	int w, h;
325	SDL_Surface *image;	15	SDL_Surface *image;
326	SDL_Rect area;	16	SDL_Rect area;
327	Uint32 saved_flags;	17	Uint32 saved_flags;
328	Uint8 saved_alpha;	18	Uint8 saved_alpha;
329		19
330	/* Use the surface width and height expanded to powers of 2 */	20	/* Use the surface width and height expanded to powers of 2 */
331	//w = power_of_two (surface->w);
332	//h = power_of_two (surface->h);
333	w = power_of_two (surface->w);
334	h = power_of_two (surface->h);
335	tex2oord[0] = 0.0f; /* Min X */	21	tex2oord[0] = 0.F; /* Min X */
336	tex2oord[1] = 0.0f; /* Min Y */	22	tex2oord[1] = 0.F; /* Min Y */
337	tex2oord[2] = (GLfloat) surface->w / w; /* Max X */	23	tex2oord[2] = 1.F; /* Max X */
338	tex2oord[3] = (GLfloat) surface->h / h; /* Max Y */	24	tex2oord[3] = 1.F; /* Max Y */
339		25
340	image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,	26	image = SDL_CreateRGBSurface (SDL_SWSURFACE, surface->w, surface->h, 32,
341	#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */	27	#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
342	0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000	28	0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
343	#else	29	#else
344	0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF	30	0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
345	#endif	31	#endif
364	/* Restore the alpha blending attributes */	50	/* Restore the alpha blending attributes */
365	if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)	51	if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
366	SDL_SetAlpha (surface, saved_flags, saved_alpha);	52	SDL_SetAlpha (surface, saved_flags, saved_alpha);
367		53
368	/* Create an OpenGL texture for the image */	54	/* Create an OpenGL texture for the image */
369	glGenTextures (1, &textur);	55	glGenTextures (1, &name);
370	glBindTexture (GL_TEXTURE_2D, textur);	56	glBindTexture (GL_TEXTURE_2D, name);
371	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);	57	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
372	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);	58	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
373	glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE); // GENERATE_MIPMAP_SGIS	59	glTexParameteri (GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
374	glTexImage2D (GL_TEXTURE_2D,	60	glTexImage2D (GL_TEXTURE_2D,
375	0,	61	0,
376	GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);	62	GL_RGBA, surface->w, surface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
377	SDL_FreeSurface (image); /* No longer needed */	63	SDL_FreeSurface (image); /* No longer needed */
378		64
379	return textur;	65	return name;
380	}	66	}
381		67
382	CGcontext cgc;	68	material::~material ()
383
384	void
385	init_shaders ()
386	{	69	{
387	cgc = cgCreateContext ();
388	}	70	}
389		71
		72	void material::enable (view &ctx)
		73	{
		74	pass::matmap_t &matmap = ctx.pass_data->matmap;
		75
		76	pass::matmap_t::iterator i = matmap.find (this);
		77
		78	if (i == matmap.end ())
		79	{
		80	string vsh_src, fsh_src;
		81
		82	shader::shader_builder::start ();
		83
		84	if (ctx.pass_data->l)
		85	ctx.pass_data->l->vsh ();
		86
		87	vsh (ctx);
		88
		89	{
		90	using namespace shader::compile;
		91
		92	z (vout.position) = (log2 (z (vout.position) + 1.F) * 1.82F - 1);
		93	//z (vout.position) = z (vout.position) - 1;
		94	}
		95
		96	vsh_src = shader::shader_builder::stop ();
		97
		98	shader::shader_builder::start ();
		99
		100	if (ctx.pass_data->l)
		101	{
		102	ctx.pass_data->l->fsh ();
		103
		104	fsh (ctx);
		105	}
		106	else
		107	shader::compile::fout.frag_color = shader::compile::float4 (1., 0., 1., 1.);
		108
		109	fsh_src = shader::shader_builder::stop ();
		110
		111	shader::program_object po = shader::get_program (vsh_src, fsh_src);
		112	matmap.insert (pass::matmap_t::value_type (this, po));
		113
		114	po->enable ();
		115	}
		116	else
		117	i->second->enable ();
		118	}
		119
		120	void material::disable (view &ctx)
		121	{
		122	}
		123
		124	test_material::test_material ()
		125	//: tex ("textures/osama.jpg"), texvar (tex.name)
		126	: tex ("textures/rockwall.jpg"), texvar (tex.name)
		127	, norm ("textures/rockwall_normal.jpg"), normvar (norm.name)
		128	{
		129	}
		130
		131	static shader::varying_3f normal;
		132	static shader::varying_2f texcoord;
		133
		134	void test_material::vsh (view &ctx)
		135	{
		136	using namespace shader::compile;
		137
		138	std_vsh ();
		139
		140	if (ctx.pass_data->l)
		141	{
		142	texcoord = xy (vin.tex_coord[0]);
		143	normal = normal_matrix * vin.normal;
		144	}
		145	}
		146
		147	void test_material::fsh (view &ctx)
		148	{
		149	using namespace shader::compile;
		150
		151	if (ctx.pass_data->l)
		152	{
		153	temp_3f lc;
		154	temp_1f fac;
		155
		156	temp_3f rot1, rot2, rot3;
		157
		158	yxz (rot1) = (texture_2d (normvar, texcoord) * 2.F - 1.F);
		159
		160	//rot1 = normal_matrix * rot1;
		161
		162	rot2 = float3 (x(rot1), z(rot1), -y(rot1));
		163	rot3 = float3 (y(rot1), -x(rot1), z(rot1));
		164
		165	normal = mat3 (rot1, rot2, rot3) * normal;
		166
		167	fac = dot (normalize (normal), normalize (ctx.pass_data->l->sh_lightvec));
		168	fac = max (pow (max (fac, 0.0), 6), 0.3);
		169	xyz (fout.frag_color) = (texture_2d (texvar, texcoord) + 0.2F) * fac
		170	* ctx.pass_data->l->sh_colour;
		171	//xyz (fout.frag_color) = lc * fac;
		172	}
		173	}
		174
		175	void test_material::enable (view &ctx)
		176	{
		177	material::enable (ctx);
		178	texvar->enable ();
		179	normvar->enable ();
		180	}
		181
		182	void test_material::disable (view &ctx)
		183	{
		184	normvar->disable ();
		185	texvar->disable ();
		186	material::disable (ctx);
		187	}
		188
		189	test_material *testmat;
		190

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Comparing cvsroot/libgender/material.C (file contents): Revision 1.9 by root, Thu Oct 21 21:20:09 2004 UTC vs. Revision 1.43 by root, Sat Nov 6 04:31:01 2004 UTC

Diff Legend

Comparing cvsroot/libgender/material.C (file contents):
Revision 1.9 by root, Thu Oct 21 21:20:09 2004 UTC vs.
Revision 1.43 by root, Sat Nov 6 04:31:01 2004 UTC