WebGLCompressedTextureS3TC.cpp [plain text]
#include "config.h"
#if ENABLE(WEBGL)
#include "WebGLCompressedTextureS3TC.h"
#include "Extensions3D.h"
#include "WebGLRenderingContextBase.h"
namespace WebCore {
WebGLCompressedTextureS3TC::WebGLCompressedTextureS3TC(WebGLRenderingContextBase& context)
: WebGLExtension(context)
{
auto& extensions = context.graphicsContext3D()->getExtensions();
extensions.ensureEnabled("GL_EXT_texture_compression_dxt1");
extensions.ensureEnabled("GL_ANGLE_texture_compression_dxt3");
extensions.ensureEnabled("GL_ANGLE_texture_compression_dxt5");
context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGB_S3TC_DXT1_EXT);
context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT1_EXT);
context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT3_EXT);
context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT5_EXT);
}
WebGLCompressedTextureS3TC::~WebGLCompressedTextureS3TC() = default;
WebGLExtension::ExtensionName WebGLCompressedTextureS3TC::getName() const
{
return WebGLCompressedTextureS3TCName;
}
bool WebGLCompressedTextureS3TC::supported(WebGLRenderingContextBase& context)
{
auto& extensions = context.graphicsContext3D()->getExtensions();
#if USE(ANGLE)
return extensions.supports("GL_EXT_texture_compression_dxt1")
&& extensions.supports("GL_ANGLE_texture_compression_dxt3")
&& extensions.supports("GL_ANGLE_texture_compression_dxt5");
#else
return extensions.supports("GL_EXT_texture_compression_s3tc")
|| extensions.supports("GL_EXT_texture_compression_dxt1");
#endif
}
}
#endif // ENABLE(WEBGL)