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authorJacek Antonelli2008-08-15 23:45:50 -0500
committerJacek Antonelli2008-08-15 23:45:50 -0500
commit2a4dea528f670b9bb1f77ef27a8a1dd16603d114 (patch)
tree95c68e362703c9099d571ecbdc6142b1cda1e005 /linden/indra/llrender/llglimmediate.cpp
parentSecond Life viewer sources 1.20.6 (diff)
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Second Life viewer sources 1.20.7
Diffstat (limited to 'linden/indra/llrender/llglimmediate.cpp')
-rw-r--r--linden/indra/llrender/llglimmediate.cpp303
1 files changed, 1 insertions, 302 deletions
diff --git a/linden/indra/llrender/llglimmediate.cpp b/linden/indra/llrender/llglimmediate.cpp
index edc694a..17c2182 100644
--- a/linden/indra/llrender/llglimmediate.cpp
+++ b/linden/indra/llrender/llglimmediate.cpp
@@ -1,302 +1 @@
1/** #error This file has been renamed llrender.cpp
2 * @file llglimmediate.cpp
3 * @brief LLGLImmediate implementation
4 *
5 * $LicenseInfo:firstyear=2001&license=viewergpl$
6 *
7 * Copyright (c) 2001-2008, Linden Research, Inc.
8 *
9 * Second Life Viewer Source Code
10 * The source code in this file ("Source Code") is provided by Linden Lab
11 * to you under the terms of the GNU General Public License, version 2.0
12 * ("GPL"), unless you have obtained a separate licensing agreement
13 * ("Other License"), formally executed by you and Linden Lab. Terms of
14 * the GPL can be found in doc/GPL-license.txt in this distribution, or
15 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
16 *
17 * There are special exceptions to the terms and conditions of the GPL as
18 * it is applied to this Source Code. View the full text of the exception
19 * in the file doc/FLOSS-exception.txt in this software distribution, or
20 * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
21 *
22 * By copying, modifying or distributing this software, you acknowledge
23 * that you have read and understood your obligations described above,
24 * and agree to abide by those obligations.
25 *
26 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
27 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
28 * COMPLETENESS OR PERFORMANCE.
29 * $/LicenseInfo$
30 */
31
32#include "linden_common.h"
33
34#include "llglimmediate.h"
35#include "llvertexbuffer.h"
36
37LLGLImmediate gGL;
38
39bool LLGLImmediate::sClever = false;
40
41const U32 immediate_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_COLOR | LLVertexBuffer::MAP_TEXCOORD;
42
43LLGLImmediate::LLGLImmediate()
44{
45 mCount = 0;
46 mMode = LLVertexBuffer::TRIANGLES;
47 mBuffer = new LLVertexBuffer(immediate_mask, 0);
48 mBuffer->allocateBuffer(4096, 0, TRUE);
49 mBuffer->getVertexStrider(mVerticesp);
50 mBuffer->getTexCoordStrider(mTexcoordsp);
51 mBuffer->getColorStrider(mColorsp);
52}
53
54void LLGLImmediate::translatef(const GLfloat& x, const GLfloat& y, const GLfloat& z)
55{
56 flush();
57 glTranslatef(x,y,z);
58}
59
60void LLGLImmediate::pushMatrix()
61{
62 flush();
63 glPushMatrix();
64}
65
66void LLGLImmediate::popMatrix()
67{
68 flush();
69 glPopMatrix();
70}
71
72void LLGLImmediate::blendFunc(GLenum sfactor, GLenum dfactor)
73{
74 flush();
75 glBlendFunc(sfactor, dfactor);
76}
77
78void LLGLImmediate::begin(const GLuint& mode)
79{
80 if (sClever)
81 {
82 if (mode != mMode)
83 {
84 if (mMode == LLVertexBuffer::QUADS ||
85 mMode == LLVertexBuffer::LINES ||
86 mMode == LLVertexBuffer::TRIANGLES ||
87 mMode == LLVertexBuffer::POINTS)
88 {
89 flush();
90 }
91 else if (mCount != 0)
92 {
93 llerrs << "gGL.begin() called redundantly." << llendl;
94 }
95
96 mMode = mode;
97 }
98 }
99 else
100 {
101 glBegin(LLVertexBuffer::sGLMode[mode]);
102 }
103}
104
105void LLGLImmediate::end()
106{
107 if (sClever)
108 {
109 if (mCount == 0)
110 {
111 return;
112 //IMM_ERRS << "GL begin and end called with no vertices specified." << llendl;
113 }
114
115 if ((mMode != LLVertexBuffer::QUADS &&
116 mMode != LLVertexBuffer::LINES &&
117 mMode != LLVertexBuffer::TRIANGLES &&
118 mMode != LLVertexBuffer::POINTS) ||
119 mCount > 2048)
120 {
121 flush();
122 }
123 }
124 else
125 {
126 glEnd();
127 }
128}
129
130void LLGLImmediate::flush()
131{
132 if (sClever)
133 {
134 if (mCount > 0)
135 {
136#if 0
137 if (!glIsEnabled(GL_VERTEX_ARRAY))
138 {
139 llerrs << "foo 1" << llendl;
140 }
141
142 if (!glIsEnabled(GL_COLOR_ARRAY))
143 {
144 llerrs << "foo 2" << llendl;
145 }
146
147 if (!glIsEnabled(GL_TEXTURE_COORD_ARRAY))
148 {
149 llerrs << "foo 3" << llendl;
150 }
151
152 if (glIsEnabled(GL_NORMAL_ARRAY))
153 {
154 llerrs << "foo 7" << llendl;
155 }
156
157 GLvoid* pointer;
158
159 glGetPointerv(GL_VERTEX_ARRAY_POINTER, &pointer);
160 if (pointer != &(mBuffer[0].v))
161 {
162 llerrs << "foo 4" << llendl;
163 }
164
165 glGetPointerv(GL_COLOR_ARRAY_POINTER, &pointer);
166 if (pointer != &(mBuffer[0].c))
167 {
168 llerrs << "foo 5" << llendl;
169 }
170
171 glGetPointerv(GL_TEXTURE_COORD_ARRAY_POINTER, &pointer);
172 if (pointer != &(mBuffer[0].uv))
173 {
174 llerrs << "foo 6" << llendl;
175 }
176#endif
177
178 mBuffer->setBuffer(immediate_mask);
179 mBuffer->drawArrays(mMode, 0, mCount);
180
181 mVerticesp[0] = mVerticesp[mCount];
182 mTexcoordsp[0] = mTexcoordsp[mCount];
183 mColorsp[0] = mColorsp[mCount];
184 mCount = 0;
185 }
186 }
187}
188
189void LLGLImmediate::vertex3f(const GLfloat& x, const GLfloat& y, const GLfloat& z)
190{
191 if (sClever)
192 {
193 if (mCount >= 4096)
194 {
195 // llwarns << "GL immediate mode overflow. Some geometry not drawn." << llendl;
196 return;
197 }
198
199 mVerticesp[mCount] = LLVector3(x,y,z);
200 mCount++;
201 if (mCount < 4096)
202 {
203 mVerticesp[mCount] = mVerticesp[mCount-1];
204 mColorsp[mCount] = mColorsp[mCount-1];
205 mTexcoordsp[mCount] = mTexcoordsp[mCount-1];
206 }
207 }
208 else
209 {
210 glVertex3f(x,y,z);
211 }
212}
213
214void LLGLImmediate::vertex2i(const GLint& x, const GLint& y)
215{
216 vertex3f((GLfloat) x, (GLfloat) y, 0);
217}
218
219void LLGLImmediate::vertex2f(const GLfloat& x, const GLfloat& y)
220{
221 vertex3f(x,y,0);
222}
223
224void LLGLImmediate::vertex2fv(const GLfloat* v)
225{
226 vertex3f(v[0], v[1], 0);
227}
228
229void LLGLImmediate::vertex3fv(const GLfloat* v)
230{
231 vertex3f(v[0], v[1], v[2]);
232}
233
234void LLGLImmediate::texCoord2f(const GLfloat& x, const GLfloat& y)
235{
236 if (sClever)
237 {
238 mTexcoordsp[mCount] = LLVector2(x,y);
239 }
240 else
241 {
242 glTexCoord2f(x,y);
243 }
244}
245
246void LLGLImmediate::texCoord2i(const GLint& x, const GLint& y)
247{
248 texCoord2f((GLfloat) x, (GLfloat) y);
249}
250
251void LLGLImmediate::texCoord2fv(const GLfloat* tc)
252{
253 texCoord2f(tc[0], tc[1]);
254}
255
256void LLGLImmediate::color4ub(const GLubyte& r, const GLubyte& g, const GLubyte& b, const GLubyte& a)
257{
258 if (sClever)
259 {
260 mColorsp[mCount] = LLColor4U(r,g,b,a);
261 }
262 else
263 {
264 glColor4ub(r,g,b,a);
265 }
266}
267
268void LLGLImmediate::color4ubv(const GLubyte* c)
269{
270 color4ub(c[0], c[1], c[2], c[3]);
271}
272
273void LLGLImmediate::color4f(const GLfloat& r, const GLfloat& g, const GLfloat& b, const GLfloat& a)
274{
275 color4ub((GLubyte) (llclamp(r, 0.f, 1.f)*255),
276 (GLubyte) (llclamp(g, 0.f, 1.f)*255),
277 (GLubyte) (llclamp(b, 0.f, 1.f)*255),
278 (GLubyte) (llclamp(a, 0.f, 1.f)*255));
279}
280
281void LLGLImmediate::color4fv(const GLfloat* c)
282{
283 color4f(c[0],c[1],c[2],c[3]);
284}
285
286void LLGLImmediate::color3f(const GLfloat& r, const GLfloat& g, const GLfloat& b)
287{
288 color4f(r,g,b,1);
289}
290
291void LLGLImmediate::color3fv(const GLfloat* c)
292{
293 color4f(c[0],c[1],c[2],1);
294}
295
296void LLGLImmediate::setClever(bool do_clever)
297{
298 llassert(mCount == 0);
299
300 sClever = do_clever;
301}
302
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