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GRAPHICS: Use NPoT textures if supported

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This commit is contained in:
Dries Harnie 2015-08-18 14:18:48 +02:00
parent ae4601c303
commit e6ba906656
1 changed files with 17 additions and 4 deletions
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21
graphics/opengl/texture.cpp
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@ -25,6 +25,7 @@
#if defined(USE_OPENGL)
#include "graphics/opengl/texture.h"
#include "graphics/opengl/extensions.h"
namespace Graphics {
@ -50,8 +51,14 @@ static const Graphics::PixelFormat getRGBAPixelFormat() {
}
Texture::Texture(const Surface &srf) :
_managedTexture(true), _width(srf.w), _height(srf.h),
_texWidth(nextHigher2(_width)), _texHeight(nextHigher2(_height)) {
_managedTexture(true), _width(srf.w), _height(srf.h) {
if (Graphics::isExtensionSupported("GL_ARB_texture_non_power_of_two")) {
_texWidth = _width;
_texHeight = _height;
} else {
_texWidth = nextHigher2(_width);
_texHeight = nextHigher2(_height);
}
glGenTextures(1, &_texture);
glBindTexture(GL_TEXTURE_2D, _texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
@ -72,8 +79,14 @@ Texture::Texture(const Surface &srf) :
}
Texture::Texture(uint width, uint height) :
_managedTexture(true), _width(width), _height(height),
_texWidth(nextHigher2(width)), _texHeight(nextHigher2(height)) {
_managedTexture(true), _width(width), _height(height) {
if (Graphics::isExtensionSupported("GL_ARB_texture_non_power_of_two")) {
_texWidth = _width;
_texHeight = _height;
} else {
_texWidth = nextHigher2(_width);
_texHeight = nextHigher2(_height);
}
glGenTextures(1, &_texture);
glBindTexture(GL_TEXTURE_2D, _texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);