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A couple of jwzgles fixes for mobile, from a newer version of xscreensaver. DONT_BUILD.

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git-svn-id: https://svn.eduke32.com/eduke32@5655 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2016-03-14 00:07:04 +00:00
parent 101940d727
commit b999c714ba
1 changed files with 31 additions and 38 deletions
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51
polymer/eduke32/build/src/jwzgles.c
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@ -2955,7 +2955,7 @@ jwzgles_glTexImage2D (GLenum target,
GLenum type,
const GLvoid *data)
{
GLvoid *d2 = NULL;
GLvoid *d2 = (GLvoid *) data;
Assert (!state->compiling_verts, "glTexImage2D not allowed inside glBegin");
Assert (!state->compiling_list, /* technically legal, but stupid! */
"glTexImage2D not allowed inside glNewList");
@ -2974,7 +2974,7 @@ jwzgles_glTexImage2D (GLenum target,
/* GLES does not let us omit the data pointer to create a blank texture. */
if (! data)
{
data = d2 = (GLvoid *) calloc (1, width * height * sizeof(GLfloat) * 4);
d2 = (GLvoid *) calloc (1, width * height * sizeof(GLfloat) * 4);
Assert (d2, "out of memory");
}
@ -2987,12 +2987,12 @@ jwzgles_glTexImage2D (GLenum target,
LOG10 ("direct %-12s %s %d %s %d %d %d %s %s 0x%lX", "glTexImage2D",
mode_desc(target), level, mode_desc(internalFormat),
width, height, border, mode_desc(format), mode_desc(type),
(unsigned long) data);
(unsigned long) d2);
glTexImage2D (target, level, internalFormat, width, height, border,
format, type, data); /* the real one */
format, type, d2); /* the real one */
CHECK("glTexImage2D");
free (d2);
if (d2 != data) free (d2);
}
void
@ -3258,7 +3258,7 @@ jwzgles_gluBuild2DMipmaps (GLenum target,
int w2 = to_pow2(width);
int h2 = to_pow2(height);
void *d2 = NULL;
void *d2 = (void *) data;
/* OpenGLES no longer supports "4" as a synonym for "RGBA". */
switch (internalFormat) {
@ -3283,10 +3283,10 @@ jwzgles_gluBuild2DMipmaps (GLenum target,
int ibpl = istride * width;
int obpl = ostride * w2;
int oy;
const unsigned char *in = (const unsigned char *) data;
const unsigned char *in = (unsigned char *) data;
unsigned char *out = (unsigned char *) malloc(h2 * obpl);
Assert (out, "out of memory");
data = d2 = out;
d2 = out;
for (oy = 0; oy < h2; oy++)
{
@ -3312,8 +3312,8 @@ jwzgles_gluBuild2DMipmaps (GLenum target,
}
jwzgles_glTexImage2D (target, 0, internalFormat, w2, h2, 0,
format, type, data);
free (d2);
format, type, d2);
if (d2 != data) free (d2);
return 0;
}
@ -3812,17 +3812,13 @@ jwzgles_glFrustum (GLfloat left, GLfloat right,
GLfloat bottom, GLfloat top,
GLfloat near, GLfloat far)
{
GLfloat const rlr = 1.f / (right - left);
GLfloat const tbr = 1.f / (top - bottom);
GLfloat const fnr = 1.f / (far - near);
GLfloat x = (2 * near) * rlr;
GLfloat a = (right + left) * rlr;
GLfloat y = (2 * near) * tbr;
GLfloat b = (top + bottom) * tbr;
GLfloat c = -(far + near) * fnr;
GLfloat d = -(2 * far * near) * fnr;
GLfloat m[16];
GLfloat x = (2 * near) / (right-left);
GLfloat y = (2 * near) / (top - bottom);
GLfloat a = (right + left) / (right - left);
GLfloat b = (top + bottom) / (top - bottom);
GLfloat c = -(far + near) / (far - near);
GLfloat d = -(2 * far * near) / (far - near);
# define M(X,Y) m[Y * 4 + X]
M(0,0) = x; M(0,1) = 0; M(0,2) = a; M(0,3) = 0;
@ -3841,15 +3837,12 @@ jwzgles_glOrtho (GLfloat left, GLfloat right,
GLfloat near, GLfloat far)
{
GLfloat m[16];
GLfloat const rlr = 1.f/(right - left);
GLfloat a = 2 * rlr;
GLfloat b = -(right + left) * rlr;
GLfloat const tbr = 1.f/(top - bottom);
GLfloat c = 2 * tbr;
GLfloat d = -(top + bottom) * tbr;
GLfloat const fnr = 1.f/(far - near);
GLfloat e = -2 * fnr;
GLfloat f = -(far + near) * fnr;
GLfloat a = 2 / (right - left);
GLfloat b = -(right + left) / (right - left);
GLfloat c = 2 / (top - bottom);
GLfloat d = -(top + bottom) / (top - bottom);
GLfloat e = -2 / (far - near);
GLfloat f = -(far + near) / (far - near);
# define M(X,Y) m[Y * 4 + X]
M(0,0) = a; M(0,1) = 0; M(0,2) = 0; M(0,3) = b;