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gl-texture-max-lod false should not inhibit the setting of GL_TEXTURE_MAX_LEVEL

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rdb 2015-12-31 20:43:30 +01:00
parent 6035a9613d
commit 8eab20a6c1
1 changed files with 4 additions and 4 deletions
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8
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -10806,7 +10806,7 @@ upload_texture(CLP(TextureContext) *gtc, bool force, bool uses_mipmaps) {
}
#ifndef OPENGLES // OpenGL ES doesn't have GL_TEXTURE_MAX_LEVEL.
if (_supports_texture_lod) {
if (is_at_least_gl_version(1, 2)) {
// By the time we get here, we have a pretty good prediction for
// the number of mipmaps we're going to have, so tell the GL that's
// all it's going to get.
@ -11263,7 +11263,7 @@ upload_texture_image(CLP(TextureContext) *gtc, bool needs_reload,
<< "No mipmap level " << n << " defined for " << tex->get_name()
<< "\n";
#ifndef OPENGLES
if (_supports_texture_lod) {
if (is_at_least_gl_version(1, 2)) {
// Tell the GL we have no more mipmaps for it to use.
glTexParameteri(texture_target, GL_TEXTURE_MAX_LEVEL, n - mipmap_bias);
}
@ -11444,7 +11444,7 @@ upload_simple_texture(CLP(TextureContext) *gtc) {
#ifndef OPENGLES
// Turn off mipmaps for the simple texture.
if (tex->uses_mipmaps() && _supports_texture_lod) {
if (tex->uses_mipmaps() && is_at_least_gl_version(1, 2)) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
}
#endif
@ -12079,7 +12079,7 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
GLint num_expected_levels = tex->get_expected_num_mipmap_levels();
GLint highest_level = num_expected_levels;
#ifndef OPENGLES
if (_supports_texture_lod) {
if (is_at_least_gl_version(1, 2)) {
glGetTexParameteriv(target, GL_TEXTURE_MAX_LEVEL, &highest_level);
highest_level = min(highest_level, num_expected_levels);
}