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automatic build

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This commit is contained in:
David Rose 2008-07-15 00:14:30 +00:00
parent 13cdb21fb1
commit ac3211ffc8
3 changed files with 45 additions and 19 deletions
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46
panda/src/tinydisplay/tinyGraphicsStateGuardian.cxx
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@ -1270,11 +1270,16 @@ release_texture(TextureContext *tc) {
_texturing_state = 0; // just in case
GLTexture *gltex = &gtc->_gltex;
for (int i = 0; i < gltex->num_levels; ++i) {
gl_free(gltex->levels[i].pixmap);
gltex->levels[i].pixmap = NULL;
if (gltex->allocated_buffer != NULL) {
nassertv(gltex->num_levels != 0);
TinyTextureContext::get_class_type().dec_memory_usage(TypeHandle::MC_array, gltex->total_bytecount);
gl_free(gltex->allocated_buffer);
gltex->allocated_buffer = NULL;
gltex->total_bytecount = 0;
gltex->num_levels = 0;
} else {
nassertv(gltex->num_levels == 0);
}
gltex->num_levels = 0;
gtc->dequeue_lru();
@ -1857,31 +1862,44 @@ setup_gltex(GLTexture *gltex, int x_size, int y_size, int num_levels) {
return false;
}
num_levels = min(num_levels, MAX_MIPMAP_LEVELS);
gltex->xsize = x_size;
gltex->ysize = y_size;
gltex->s_max = 1 << (s_bits + ZB_POINT_ST_FRAC_BITS);
gltex->t_max = 1 << (t_bits + ZB_POINT_ST_FRAC_BITS);
for (int i = 0; i < gltex->num_levels; ++i) {
gl_free(gltex->levels[i].pixmap);
gltex->levels[i].pixmap = NULL;
}
gltex->num_levels = num_levels;
// We allocate one big buffer, large enough to include all the
// mipmap levels, and index into that buffer for each level. This
// cuts down on the number of individual alloc calls we have to make
// for each texture.
gltex->total_bytecount = (x_size * y_size * 4);
if (num_levels > 1) {
gltex->total_bytecount = (gltex->total_bytecount * 4 + 3) / 3;
int total_bytecount = 0;
// Count up the total bytes required for all mipmap levels.
{
int x = x_size;
int y = y_size;
for (int level = 0; level < num_levels; ++level) {
int bytecount = x * y * 4;
total_bytecount += bytecount;
x = max((x >> 1), 1);
y = max((y >> 1), 1);
}
}
if (gltex->total_bytecount != total_bytecount) {
gl_free(gltex->allocated_buffer);
TinyTextureContext::get_class_type().dec_memory_usage(TypeHandle::MC_array, gltex->total_bytecount);
gltex->allocated_buffer = (void *)gl_malloc(total_bytecount);
gltex->total_bytecount = total_bytecount;
TinyTextureContext::get_class_type().inc_memory_usage(TypeHandle::MC_array, total_bytecount);
}
gltex->allocated_buffer = (void *)gl_malloc(gltex->total_bytecount);
char *next_buffer = (char *)gltex->allocated_buffer;
char *end_of_buffer = next_buffer + gltex->total_bytecount;
char *end_of_buffer = next_buffer + total_bytecount;
int level = 0;
ZTextureLevel *dest = NULL;

4
panda/src/tinydisplay/tinyTextureContext.I
View File

@ -23,6 +23,8 @@ TinyTextureContext(PreparedGraphicsObjects *pgo, Texture *tex) :
TextureContext(pgo, tex), SimpleLruPage(0)
{
_gltex.num_levels = 0;
_gltex.allocated_buffer = NULL;
_gltex.total_bytecount = 0;
}
////////////////////////////////////////////////////////////////////
@ -32,7 +34,7 @@ TinyTextureContext(PreparedGraphicsObjects *pgo, Texture *tex) :
////////////////////////////////////////////////////////////////////
INLINE TinyTextureContext::
~TinyTextureContext() {
nassertv(_gltex.num_levels == 0);
nassertv(_gltex.num_levels == 0 && _gltex.allocated_buffer == NULL && _gltex.total_bytecount == 0);
}
////////////////////////////////////////////////////////////////////

14
panda/src/tinydisplay/tinyTextureContext.cxx
View File

@ -36,11 +36,17 @@ void TinyTextureContext::
evict_lru() {
dequeue_lru();
for (int i = 0; i < _gltex.num_levels; ++i) {
gl_free(_gltex.levels[i].pixmap);
_gltex.levels[i].pixmap = NULL;
GLTexture *gltex = &_gltex;
if (gltex->allocated_buffer != NULL) {
nassertv(gltex->num_levels != 0);
TinyTextureContext::get_class_type().dec_memory_usage(TypeHandle::MC_array, gltex->total_bytecount);
gl_free(gltex->allocated_buffer);
gltex->allocated_buffer = NULL;
gltex->total_bytecount = 0;
gltex->num_levels = 0;
} else {
nassertv(gltex->num_levels == 0);
}
_gltex.num_levels = 0;
set_resident(false);
}