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Apply tobspr's texture memory calculation fixes to 1.9 branch

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This commit is contained in:
rdb 2016-01-26 11:15:22 +01:00
parent 8564dbedce
commit 47de3542f6
2 changed files with 17 additions and 8 deletions
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2
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -10854,6 +10854,8 @@ upload_texture(CLP(TextureContext) *gtc, bool force, bool uses_mipmaps) {
gtc->_width = width;
gtc->_height = height;
gtc->_depth = depth;
gtc->update_data_size_bytes(get_texture_memory_size(gtc));
needs_reload = false;
}
} else {

23
panda/src/gobj/texture.cxx
View File

@ -489,7 +489,7 @@ read(const Filename &fullpath, const Filename &alpha_fullpath,
size_t Texture::
estimate_texture_memory() const {
CDReader cdata(_cycler);
size_t pixels = cdata->_x_size * cdata->_y_size;
size_t pixels = cdata->_x_size * cdata->_y_size * cdata->_z_size;
size_t bpp = 4;
switch (cdata->_format) {
@ -503,22 +503,25 @@ estimate_texture_memory() const {
case Texture::F_blue:
case Texture::F_luminance:
case Texture::F_sluminance:
case Texture::F_r8i:
bpp = 1;
break;
case Texture::F_luminance_alpha:
case Texture::F_luminance_alphamask:
case Texture::F_sluminance_alpha:
case Texture::F_rgba4:
case Texture::F_rgb5:
case Texture::F_rgba5:
bpp = 2;
break;
case Texture::F_rgba:
case Texture::F_rgba4:
case Texture::F_rgbm:
case Texture::F_rgb:
case Texture::F_rgb5:
case Texture::F_rgba5:
case Texture::F_srgb:
// Most of the above formats have only 3 bytes, but they are most likely to
// get padded by the driver
bpp = 4;
break;
@ -536,9 +539,15 @@ estimate_texture_memory() const {
break;
case Texture::F_depth_component:
case Texture::F_depth_component16:
bpp = 2;
break;
case Texture::F_depth_component24: // Gets padded
case Texture::F_depth_component32:
bpp = 4;
break;
case Texture::F_rgba12:
case Texture::F_rgb12:
bpp = 8;
@ -552,7 +561,6 @@ estimate_texture_memory() const {
break;
case Texture::F_r16:
case Texture::F_r8i:
case Texture::F_rg8i:
bpp = 2;
break;
@ -564,15 +572,14 @@ estimate_texture_memory() const {
break;
case Texture::F_r32i:
bpp = 4;
break;
case Texture::F_r32:
bpp = 4;
break;
case Texture::F_rg32:
bpp = 8;
break;
case Texture::F_rgb32:
bpp = 12;
break;