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Skybox VBOs.

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git-svn-id: https://svn.eduke32.com/eduke32@780 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman 2008-06-09 09:43:12 +00:00
parent 77a2adbd62
commit b3ac01c04d
1 changed files with 27 additions and 2 deletions
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25
polymer/build/src/polymer.c
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@ -114,6 +114,8 @@ GLfloat skyboxdata[4 * 5 * 6] =
1.0f, 0.0f,
};
GLuint skyboxdatavbo;
GLfloat artskydata[16];
// CONTROL
@ -2260,6 +2262,19 @@ static void polymer_drawskybox(short tilenum)
pthtyp* pth;
int i;
if ((pr_vbos > 0) && (skyboxdatavbo == 0))
{
bglGenBuffersARB(1, &skyboxdatavbo);
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, skyboxdatavbo);
bglBufferDataARB(GL_ARRAY_BUFFER_ARB, 4 * sizeof(GLfloat) * 5 * 6, skyboxdata, modelvbousage);
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
}
if (pr_vbos > 0)
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, skyboxdatavbo);
i = 0;
while (i < 6)
{
@ -2267,13 +2282,23 @@ static void polymer_drawskybox(short tilenum)
pth = gltexcache(tilenum, 0, 4);
bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
if (pr_vbos > 0)
{
bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), (GLfloat*)(4 * 5 * i * sizeof(GLfloat)));
bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), (GLfloat*)(((4 * 5 * i) + 3) * sizeof(GLfloat)));
} else {
bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), &skyboxdata[4 * 5 * i]);
bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), &skyboxdata[3 + (4 * 5 * i)]);
}
bglDrawArrays(GL_QUADS, 0, 4);
i++;
}
drawingskybox = 0;
if (pr_vbos > 0)
bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
return;
}