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Prevent bad gl_max_size settings from causing buggy drivers to freak out.

This commit is contained in:
Ragnvald Maartmann-Moe IV 2003-03-24 20:21:24 +00:00
parent eb5f2137b4
commit 6c7701a38b
3 changed files with 67 additions and 39 deletions
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86
libs/video/renderer/gl/gl_draw.c
View File

@ -129,25 +129,32 @@ Draw_InitText (void)
if (r_init) {
if (vaelements > 3)
tVAsize = vaelements - (vaelements % 4);
else
else if (vaelements >= 0)
tVAsize = 2048;
Con_Printf ("Text: %i maximum vertex elements.\n", tVAsize);
else
tVAsize = 0;
if (textVertices)
free (textVertices);
textVertices = calloc (tVAsize, 2 * sizeof (float));
if (tVAsize) {
Con_Printf ("Text: %i maximum vertex elements.\n", tVAsize);
if (textCoords)
free (textCoords);
textCoords = calloc (tVAsize, 2 * sizeof (float));
if (textVertices)
free (textVertices);
textVertices = calloc (tVAsize, 2 * sizeof (float));
qfglTexCoordPointer (2, GL_FLOAT, 0, textCoords);
qfglVertexPointer (2, GL_FLOAT, 0, textVertices);
if (tVAindices)
free (tVAindices);
tVAindices = (int *) calloc (tVAsize, sizeof (int));
for (i = 0; i < tVAsize; i++)
tVAindices[i] = i;
if (textCoords)
free (textCoords);
textCoords = calloc (tVAsize, 2 * sizeof (float));
qfglTexCoordPointer (2, GL_FLOAT, 0, textCoords);
qfglVertexPointer (2, GL_FLOAT, 0, textVertices);
if (tVAindices)
free (tVAindices);
tVAindices = (int *) calloc (tVAsize, sizeof (int));
for (i = 0; i < tVAsize; i++)
tVAindices[i] = i;
} else {
Con_Printf ("Text: Vertex Array use disabled.\n");
}
} else {
if (textVertices) {
free (textVertices);
@ -332,11 +339,6 @@ void
Draw_Init (void)
{
int i;
GLint texSize;
// Some cards have a texture size limit.
qfglGetIntegerv(GL_MAX_TEXTURE_SIZE, &texSize);
Cvar_Set (gl_max_size, va("%d", texSize));
Cmd_AddCommand ("gl_texturemode", &GL_TextureMode_f,
"Texture mipmap quality.");
@ -381,13 +383,21 @@ flush_text (void)
}
static inline void
queue_character (int x, int y, int num)
queue_character (float x, float y, int num)
{
float frow, fcol;
frow = (num >> 4) * CELL_SIZE;
fcol = (num & 15) * CELL_SIZE;
*tV++ = x;
*tV++ = y;
*tV++ = x + 8.0;
*tV++ = y;
*tV++ = x + 8.0;
*tV++ = y + 8.0;
*tV++ = x;
*tV++ = y + 8.0;
*tC++ = fcol;
*tC++ = frow;
*tC++ = fcol + CELL_SIZE;
@ -396,14 +406,6 @@ queue_character (int x, int y, int num)
*tC++ = frow + CELL_SIZE;
*tC++ = fcol;
*tC++ = frow + CELL_SIZE;
*tV++ = x;
*tV++ = y;
*tV++ = x + 8;
*tV++ = y;
*tV++ = x + 8;
*tV++ = y + 8;
*tV++ = x;
*tV++ = y + 8;
}
static inline void
@ -431,7 +433,7 @@ Draw_Character (int x, int y, unsigned int num)
num &= 255;
queue_character (x, y, num);
queue_character ((float) x, (float) y, num);
tVA_increment ();
}
@ -439,18 +441,22 @@ void
Draw_String (int x, int y, const char *str)
{
unsigned char num;
float x1, y1;
if (!str || !str[0])
return;
if (y <= -8)
return; // totally off screen
x1 = (float) x;
y1 = (float) y;
while (*str) {
if ((num = *str++) != 32) { // Don't render spaces
queue_character (x, y, num);
queue_character (x1, y1, num);
tVA_increment ();
}
x += 8;
x1 += 8.0;
}
}
@ -458,18 +464,22 @@ void
Draw_nString (int x, int y, const char *str, int count)
{
unsigned char num;
float x1, y1;
if (!str || !str[0])
return;
if (y <= -8)
return; // totally off screen
x1 = (float) x;
y1 = (float) y;
while (count-- && *str) {
if ((num = *str++) != 32) { // Don't render spaces
queue_character (x, y, num);
queue_character (x1, y1, num);
tVA_increment ();
}
x += 8;
x1 += 8.0;
}
}
@ -477,19 +487,23 @@ void
Draw_AltString (int x, int y, const char *str)
{
unsigned char num;
float x1, y1;
if (!str || !str[0])
return;
if (y <= -8)
return; // totally off screen
x1 = (float) x;
y1 = (float) y;
while (*str) {
if ((num = *str++ | 0x80) != (0x80 | 32)) // Don't render spaces
{
queue_character (x, y, num);
queue_character (x1, y1, num);
tVA_increment ();
}
x += 8;
x1 += 8.0;
}
}

4
libs/video/renderer/r_cvar.c
View File

@ -70,7 +70,6 @@ cvar_t *gl_keeptjunctions;
cvar_t *gl_lerp_anim;
cvar_t *gl_lightmap_align;
cvar_t *gl_lightmap_subimage;
cvar_t *gl_max_size;
cvar_t *gl_nocolors;
cvar_t *gl_particle_mip;
cvar_t *gl_particle_size;
@ -145,6 +144,7 @@ int r_viewsize;
float cl_wateralpha;
static void
r_particles_f (cvar_t *var)
{
@ -288,8 +288,6 @@ R_Init_Cvars (void)
"around the area changed. 1 updates "
"every line that changed. 0 updates the "
"entire lightmap.");
gl_max_size = Cvar_Get ("gl_max_size", "1024", CVAR_NONE, NULL,
"Texture dimension");
gl_nocolors = Cvar_Get ("gl_nocolors", "0", CVAR_NONE, NULL,
"Set to 1, turns off all player colors");
gl_particle_mip = Cvar_Get ("gl_particle_mip", "0", CVAR_NONE, NULL,

16
libs/video/targets/vid_common_gl.c
View File

@ -93,6 +93,7 @@ qboolean is8bit = false;
qboolean gl_feature_mach64 = false;
cvar_t *gl_max_size;
cvar_t *gl_multitexture;
cvar_t *gl_vaelements_max;
cvar_t *gl_screenshot_byte_swap;
@ -100,6 +101,19 @@ cvar_t *vid_mode;
cvar_t *vid_use8bit;
static void
gl_max_size_f (cvar_t *var)
{
GLint texSize;
// Check driver's max texture size
qfglGetIntegerv (GL_MAX_TEXTURE_SIZE, &texSize);
if (var->int_val < 1)
Cvar_SetValue (var, texSize);
else
Cvar_SetValue (var, bound (1, var->int_val, texSize));
}
static void
gl_multitexture_f (cvar_t *var)
{
@ -124,6 +138,8 @@ GL_Common_Init_Cvars (void)
"Limit the vertex array size for buggy "
"drivers. 0 (default) uses driver provided "
"limit, -1 disables use of vertex arrays.");
gl_max_size = Cvar_Get ("gl_max_size", "0", CVAR_NONE, gl_max_size_f,
"Texture dimension");
gl_multitexture = Cvar_Get ("gl_multitexture", "0", CVAR_ARCHIVE,
gl_multitexture_f, "Use multitexture when "
"available.");